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[Android] Ksoap - Webservice

<span style="mso-bidi-font-family: Calibri;"><span style="mso-list: Ignore;">1, <span style="font: 7.0pt "Times New Roman";">   </span></span></span>Tạo project tên soap_demo1. (Nhớ tạo trên máy ảo 1.6 cho đơn giản)<br /> <br /><div class="MsoListParagraphCxSpLast" style="mso-list: l0 level1 lfo1; text-indent: -.25in;"><span style="mso-bidi-font-family: Calibri;"><span style="mso-list: Ignore;">2   2,<span style="font: 7.0pt "Times New Roman";">    </span></span></span>Tạo thư mục mới tên “<span style="color: red;">libs</span>” trong thư mục gốc của project.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh8D69GvzA4KosVtr9z62tEnNfMnp7RuQ7qu9_og8xQnZoQtqFg3h0yH1XHoL4tlmJ3M1vW_hPbzAGa0XAZtt6OQ0C-LnKwOeKmTXOkAFAthnsUaTShl4Z7vQ2harScMgDEEm75aBqib5E/s1600/image004.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh8D69GvzA4KosVtr9z62tEnNfMnp7RuQ7qu9_og8xQnZoQtqFg3h0yH1XHoL4tlmJ3M1vW_hPbzAGa0XAZtt6OQ0C-LnKwOeKmTXOkAFAthnsUaTShl4Z7vQ2harScMgDEEm75aBqib5E/s1600/image004.png" width="640" /></a></div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">     3.<span style="mso-bidi-font-family: Calibri;"><span style="mso-list: Ignore;"><span style="font: 7.0pt "Times New Roman";"> </span></span></span>Truy cập địa chỉ (hoặc lên google search cho lẹ)</div><div class="MsoListParagraphCxSpLast" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">   </div><div class="MsoNormal" style="margin-left: .25in;"><a href="https://code.google.com/p/ksoap2-android/source/browse/m2-repo/com/google/code/ksoap2-android/ksoap2-android-assembly/2.6.0?r=803">https://code.google.com/p/ksoap2-android/source/browse/m2-repo/com/google/code/ksoap2-android/ksoap2-android-assembly/2.6.0?r=803</a></div><div class="MsoNormal" style="margin-left: .25in;">và download file <span style="color: #333333; font-family: "Verdana","sans-serif"; font-size: 10.0pt; line-height: 115%; mso-bidi-font-family: "Segoe UI";">"ksoap2-android-assembly-2.6.0-jar-with-dependencies.jar" . </span>Bỏ file vừa download vào thư mục “<span style="color: red;">libs</span>” vừa tạo.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi8Hmjxc6uf8Ugs7e6o9YmHGi6Zx0Cb3_VbKB0lDMKR7qpDZUN21Cwhsq2z2WbdodzIIEStyOPxN3Ir78PBwqCyAvrIBFql4OgfVj1Q620V3Xxpi3G2rXsU8-8iQa6LNti2fPEaADps4r8/s1600/image007.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi8Hmjxc6uf8Ugs7e6o9YmHGi6Zx0Cb3_VbKB0lDMKR7qpDZUN21Cwhsq2z2WbdodzIIEStyOPxN3Ir78PBwqCyAvrIBFql4OgfVj1Q620V3Xxpi3G2rXsU8-8iQa6LNti2fPEaADps4r8/s1600/image007.png" width="640" /></a></div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">        4.<span style="mso-bidi-font-family: Calibri;"><span style="mso-list: Ignore;"><span style="font: 7.0pt "Times New Roman";">     </span></span></span>Click phải project chọn Build Path-> “Configue Build Path….”<br /><a name="more"></a></div><div class="MsoNormal" style="margin-left: .25in;">   </div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgUZp12ktyDOBsTL95jwZeiD1dN4uWp0XwrybtkGgO_LR2zqfJWBDgQM3fNgJ-i8RGEYEYERgFVvEzXVkXJyBKC7A1KgqT-argHybubNm_xC3EasG7BqQpYXR2mZdRw3tRvlpWmoTUFPOA/s1600/image012.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgUZp12ktyDOBsTL95jwZeiD1dN4uWp0XwrybtkGgO_LR2zqfJWBDgQM3fNgJ-i8RGEYEYERgFVvEzXVkXJyBKC7A1KgqT-argHybubNm_xC3EasG7BqQpYXR2mZdRw3tRvlpWmoTUFPOA/s1600/image012.png" width="640" /></a></div><div class="MsoNormal" style="margin-left: .25in;"><br /></div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">         5.Trong hộp thoại “Properties” chọn tab “Libraries” chọn nút “Add JARs…” chọn đến file “ksoap2…” vừa mới chép vào rồi OK -> OK.</div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-indent: -.25in;"><br /></div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-indent: -.25in;"><br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhiuu32EBvRCfD3xuYavx0erYjBNwby-YF2qUCOHY94yRhvsu904PDwaMBmKPf2vicudLHiVqfSab94eX_NkisA1G0fCE4Bsun5yUYeVygcqeNdZtRLMRQDg6qtw0G81Z-7mI8oHAK9xI4/s1600/image017.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhiuu32EBvRCfD3xuYavx0erYjBNwby-YF2qUCOHY94yRhvsu904PDwaMBmKPf2vicudLHiVqfSab94eX_NkisA1G0fCE4Bsun5yUYeVygcqeNdZtRLMRQDg6qtw0G81Z-7mI8oHAK9xI4/s1600/image017.png" width="640" /></a></div><div class="separator" style="clear: both; text-align: center;"></div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-indent: -.25in;"><br /></div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">     6.<span style="font-family: "Calibri","sans-serif"; font-size: 11.0pt; line-height: 115%; mso-ansi-language: EN-US; mso-bidi-font-family: "Times New Roman"; mso-bidi-language: AR-SA; mso-fareast-font-family: Calibri; mso-fareast-language: EN-US;">Dể ý thấy hình của file trong thư mục lib có thêm cái hình icon nhỏ ở góc.</span></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhaoPFOrUV2S_An2c_KFBIsJMLT6prqX2bCOwCC73cKI0uAL1zdZyulrTBmqqJ1gottL6w-13q_ADkJgqYCL1j_Fvo3hKmMLX48Y29cu2itSCYFPnaVJOw5-6FQPB7RrxXfGW4kwGlSYiY/s1600/image020.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="72" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhaoPFOrUV2S_An2c_KFBIsJMLT6prqX2bCOwCC73cKI0uAL1zdZyulrTBmqqJ1gottL6w-13q_ADkJgqYCL1j_Fvo3hKmMLX48Y29cu2itSCYFPnaVJOw5-6FQPB7RrxXfGW4kwGlSYiY/s1600/image020.jpg" width="400" /> </a></div><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-indent: -.25in;"><br /></div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-indent: -.25in;"><br /></div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">     7.<span style="mso-bidi-font-family: Calibri;"><span style="mso-list: Ignore;"><span style="font: 7.0pt "Times New Roman";">  </span></span></span>Mở file layout thiết kế giao diện có 2 TextView làm nhãn, 1 EditText để nhập độ F, 1 EditText để nhập độ C, 1 button để đổi “Độ C sang độ F” , 1 button để đổi “Độ F sang độ C” và 1 button để “Xóa”:</div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">   </div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh9idrPKRZPk1GhkgvMboqPFpgvACnI3ZnzD-7h5YIoyh5VjtSwjtnH8jqWaNGNw86NQBMsoNfyWIkUbc6EkDpxibXmF5bP64Z5AHLK9F2TPSwiEEQmmWYDc8ayBp_YvaWcBNZYTcrkSlc/s1600/image022.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh9idrPKRZPk1GhkgvMboqPFpgvACnI3ZnzD-7h5YIoyh5VjtSwjtnH8jqWaNGNw86NQBMsoNfyWIkUbc6EkDpxibXmF5bP64Z5AHLK9F2TPSwiEEQmmWYDc8ayBp_YvaWcBNZYTcrkSlc/s1600/image022.jpg" width="323" /></a></div><div align="center" class="MsoNormal" style="text-align: center;"><span style="mso-no-proof: yes;"><br /></span></div><br /><div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">    8.Truy cập địa chỉ <a href="http://www.w3schools.com/webservices/tempconvert.asmx">http://www.w3schools.com/webservices/tempconvert.asmx</a>nhấn vào hàm đầu tiên (<a href="http://www.w3schools.com/webservices/tempconvert.asmx?op=CelsiusToFahrenheit"><span style="font-family: "Verdana","sans-serif"; font-size: 8.5pt; line-height: 115%;">CelsiusToFahrenheit</span></a><span style="color: black; font-family: "Verdana","sans-serif"; font-size: 8.5pt; line-height: 115%;">) </span>kéo xuống bên dưới và phân tích cú pháp.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjoWt_Hp9Frw1ELZR_PLGImnhxpV99O7eu_ssKCfURaERzTxL4u_jEwkPGPY2FThdQwtsDBjaimLv56TEtK99TE_Nj-Q1nZ6in1mN7q2EEP7X_OY6fYUGdFnBQbI3eR8lg1dewPJLznLGg/s1600/1.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="358" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjoWt_Hp9Frw1ELZR_PLGImnhxpV99O7eu_ssKCfURaERzTxL4u_jEwkPGPY2FThdQwtsDBjaimLv56TEtK99TE_Nj-Q1nZ6in1mN7q2EEP7X_OY6fYUGdFnBQbI3eR8lg1dewPJLznLGg/s1600/1.png" width="640" /></a></div></div><div class="separator" style="clear: both; text-align: center;"></div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-indent: -.25in;"><br /></div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">   </div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-indent: -.25in;"></div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-indent: -.25in;"> <br /><table border="1" cellpadding="0" cellspacing="0" class="MsoNormalTable" style="border-collapse: collapse; border: none; mso-border-alt: solid black .5pt; mso-border-insideh: .5pt solid black; mso-border-insidev: .5pt solid black; mso-padding-alt: 0in 5.4pt 0in 5.4pt; mso-yfti-tbllook: 1184;"> <tbody><tr style="mso-yfti-firstrow: yes; mso-yfti-irow: 0;">  <td style="border: solid black 1.0pt; mso-border-alt: solid black .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 7.35in;" valign="top" width="706"><div class="MsoNormal" style="background: white; line-height: normal; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"><span style="color: #333333; font-family: "Verdana","sans-serif"; font-size: 10.0pt; mso-fareast-font-family: "Times New Roman";">Cho CelsiusToFahrenheit:</span><span style="color: #333333; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"></span></div><ol start="1" type="1"><li class="MsoNormal" style="background: white; color: #333333; line-height: normal; mso-list: l1 level1 lfo2; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list .5in;"><span style="font-family: "Verdana","sans-serif"; font-size: 10.0pt; mso-fareast-font-family: "Times New Roman";">    SOAP_ACTION = "</span><span style="color: windowtext;"><a href="http://www.w3schools.com/webservices/CelsiusToFahrenheit"><span style="color: #0066cc; font-size: 10.0pt; mso-bidi-font-family: Calibri; mso-fareast-font-family: "Times New Roman"; text-decoration: none; text-underline: none;">http://www.w3schools.com/webservices/CelsiusToFahrenheit</span></a></span><span style="font-family: "Verdana","sans-serif"; font-size: 10.0pt; mso-fareast-font-family: "Times New Roman";">";</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">       </span></li><li class="MsoNormal" style="background: white; color: #333333; line-height: normal; mso-list: l1 level1 lfo2; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list .5in;"><span style="font-family: "Verdana","sans-serif"; font-size: 10.0pt; mso-fareast-font-family: "Times New Roman";">    NAMESPACE = "</span><span style="color: windowtext;"><a href="http://www.w3schools.com/webservices/"><span style="color: #0066cc; font-size: 10.0pt; mso-bidi-font-family: Calibri; mso-fareast-font-family: "Times New Roman"; text-decoration: none; text-underline: none;">http://www.w3schools.com/webservices/</span></a></span><span style="font-family: "Verdana","sans-serif"; font-size: 10.0pt; mso-fareast-font-family: "Times New Roman";">"; </span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"></span></li><li class="MsoNormal" style="background: white; color: #333333; line-height: normal; mso-list: l1 level1 lfo2; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list .5in;"><span style="font-family: "Verdana","sans-serif"; font-size: 10.0pt; mso-fareast-font-family: "Times New Roman";">    METHOD_NAME =        "CelsiusToFahrenheit";</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">       </span></li><li class="MsoNormal" style="background: white; color: #333333; line-height: normal; mso-list: l1 level1 lfo2; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list .5in;"><span style="font-family: "Verdana","sans-serif"; font-size: 10.0pt; mso-fareast-font-family: "Times New Roman";">    URL = "</span><span style="color: windowtext;"><a href="http://www.w3schools.com/webservices/tempconvert.asmx?WSDL"><span style="color: #0066cc; font-size: 10.0pt; mso-bidi-font-family: Calibri; mso-fareast-font-family: "Times New Roman"; text-decoration: none; text-underline: none;">http://www.w3schools.com/webservices/tempconvert.asmx?WSDL</span></a></span><span style="font-family: "Verdana","sans-serif"; font-size: 10.0pt; mso-fareast-font-family: "Times New Roman";">";</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">       </span></li></ol></td> </tr><tr style="mso-yfti-irow: 1; mso-yfti-lastrow: yes;">  <td style="border-top: none; border: solid black 1.0pt; mso-border-alt: solid black .5pt; mso-border-top-alt: solid black .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 7.35in;" valign="top" width="706"><div class="MsoNormal" style="background: white; line-height: normal; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"><span style="color: #333333; font-family: "Verdana","sans-serif"; font-size: 10.0pt; mso-fareast-font-family: "Times New Roman";">Cho FahrenheitToCelsius:</span><span style="color: #333333; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"></span></div><ol start="1" type="1"><li class="MsoNormal" style="background: white; color: #333333; line-height: normal; mso-list: l0 level1 lfo1; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list .5in;"><span style="font-family: "Verdana","sans-serif"; font-size: 10.0pt; mso-fareast-font-family: "Times New Roman";">    SOAP_ACTION = "</span><span style="color: windowtext;"><a href="http://www.w3schools.com/webservices/FahrenheitToCelsius"><span style="color: #0066cc; font-size: 10.0pt; mso-bidi-font-family: Calibri; mso-fareast-font-family: "Times New Roman"; text-decoration: none; text-underline: none;">http://www.w3schools.com/webservices/FahrenheitToCelsius</span></a></span><span style="font-family: "Verdana","sans-serif"; font-size: 10.0pt; mso-fareast-font-family: "Times New Roman";">";</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">       </span></li><li class="MsoNormal" style="background: white; color: #333333; line-height: normal; mso-list: l0 level1 lfo1; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list .5in;"><span style="font-family: "Verdana","sans-serif"; font-size: 10.0pt; mso-fareast-font-family: "Times New Roman";">    NAMESPACE = "</span><span style="color: windowtext;"><a href="http://www.w3schools.com/webservices/"><span style="color: #0066cc; font-size: 10.0pt; mso-bidi-font-family: Calibri; mso-fareast-font-family: "Times New Roman"; text-decoration: none; text-underline: none;">http://www.w3schools.com/webservices/</span></a></span><span style="font-family: "Verdana","sans-serif"; font-size: 10.0pt; mso-fareast-font-family: "Times New Roman";">";</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">       </span></li><li class="MsoNormal" style="background: white; color: #333333; line-height: normal; mso-list: l0 level1 lfo1; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list .5in;"><span style="font-family: "Verdana","sans-serif"; font-size: 10.0pt; mso-fareast-font-family: "Times New Roman";">    METHOD_NAME = "        FahrenheitToCelsius ";</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";">       </span></li><li class="MsoNormal" style="background: white; color: #333333; line-height: normal; mso-list: l0 level1 lfo1; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list .5in;"><span style="font-family: "Verdana","sans-serif"; font-size: 10.0pt; mso-fareast-font-family: "Times New Roman";">    URL = "</span><span style="color: windowtext;"><a href="http://www.w3schools.com/webservices/tempconvert.asmx?WSDL"><span style="color: #0066cc; font-size: 10.0pt; mso-bidi-font-family: Calibri; mso-fareast-font-family: "Times New Roman"; text-decoration: none; text-underline: none;">http://www.w3schools.com/webservices/tempconvert.asmx?WSDL</span></a></span><span style="font-family: "Verdana","sans-serif"; font-size: 10.0pt; mso-fareast-font-family: "Times New Roman";">";</span><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-fareast-font-family: "Times New Roman";"></span></li></ol></td> </tr></tbody></table></div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-indent: -.25in;"><br /></div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-indent: -.25in;"><br /></div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-indent: -.25in;"> </div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-align: justify; text-indent: -.25in;"><span style="mso-bidi-font-family: Calibri;"><span style="mso-list: Ignore;">1    9. <span style="font: 7.0pt "Times New Roman";"></span></span></span>Mở file manifest và khai báo quyền internet</div><div style="border: solid windowtext 1.0pt; margin-left: .25in; margin-right: 0in; mso-border-alt: solid windowtext .5pt; mso-element: para-border-div; padding: 1.0pt 4.0pt 1.0pt 4.0pt;"><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-spacerun: yes;">    </span></span><span style="color: teal; font-family: Consolas; font-size: 10.0pt;"><</span><span style="color: #3f7f7f; font-family: Consolas; font-size: 10.0pt;">uses-permission</span><span style="font-family: Consolas; font-size: 10.0pt;"> <span style="color: #7f007f;">android:name</span><span style="color: black;">=</span><i><span style="color: #2a00ff;">"android.permission.INTERNET"</span></i><span style="color: teal;">/></span></span></div></div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-align: justify; text-indent: -.25in;"> <span style="mso-bidi-font-family: Calibri;"><span style="mso-list: Ignore;"><span style="font: 7.0pt "Times New Roman";"> </span></span></span></div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-align: justify; text-indent: -.25in;"><span style="mso-bidi-font-family: Calibri;"><span style="mso-list: Ignore;"><span style="font: 7.0pt "Times New Roman";">           </span></span></span>10: Trong file java chính, khai báo các biến, ánh xạ chúng.</div><div style="border: solid windowtext 1.0pt; margin-left: .25in; margin-right: 0in; mso-border-alt: solid windowtext .5pt; mso-element: para-border-div; padding: 1.0pt 4.0pt 1.0pt 4.0pt;"><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-tab-count: 1;">   </span>EditText </span><span style="color: #0000c0; font-family: Consolas; font-size: 10.0pt;">etdoC</span><span style="color: black; font-family: Consolas; font-size: 10.0pt;">,</span><span style="color: #0000c0; font-family: Consolas; font-size: 10.0pt;">etdoF</span><span style="color: black; font-family: Consolas; font-size: 10.0pt;">;</span><span style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="border: none; mso-border-alt: solid windowtext .5pt; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-align: justify;"><span style="color: black; font-family: Consolas; font-size: 10.0pt; line-height: 115%;"><span style="mso-tab-count: 1;">   </span>Button </span><span style="color: #0000c0; font-family: Consolas; font-size: 10.0pt; line-height: 115%;">btFtoC</span><span style="color: black; font-family: Consolas; font-size: 10.0pt; line-height: 115%;">, </span><span style="color: #0000c0; font-family: Consolas; font-size: 10.0pt; line-height: 115%;">btCtoF</span><span style="color: black; font-family: Consolas; font-size: 10.0pt; line-height: 115%;">,</span><span style="color: #0000c0; font-family: Consolas; font-size: 10.0pt; line-height: 115%;">btclear</span><span style="color: black; font-family: Consolas; font-size: 10.0pt; line-height: 115%;">;</span></div></div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-align: justify; text-indent: -.25in;"><span style="mso-bidi-font-family: Calibri;"><span style="mso-list: Ignore;">3     <span style="font: 7.0pt "Times New Roman";"></span></span></span>11: Khai báo các biến chuỗi để chuẩn bị.</div><div style="border: solid windowtext 1.0pt; margin-left: .25in; margin-right: 0in; mso-border-alt: solid windowtext .5pt; mso-element: para-border-div; padding: 1.0pt 4.0pt 1.0pt 4.0pt;"><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-spacerun: yes;">    </span></span><b><span style="color: #7f0055; font-family: Consolas; font-size: 10.0pt;">private</span></b><span style="color: black; font-family: Consolas; font-size: 10.0pt;"> </span><b><span style="color: #7f0055; font-family: Consolas; font-size: 10.0pt;">static</span></b><span style="color: black; font-family: Consolas; font-size: 10.0pt;"> String </span><i><span style="color: #0000c0; font-family: Consolas; font-size: 10.0pt;">SOAP_ACTION1</span></i><span style="color: black; font-family: Consolas; font-size: 10.0pt;"> = </span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt;">"</span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt;"><span style="color: windowtext;"><a href="http://www.w3schools.com/webservices/FahrenheitToCelsius"><span style="color: #0066cc; font-size: 10.0pt; mso-bidi-font-family: Calibri; mso-fareast-font-family: "Times New Roman"; text-decoration: none; text-underline: none;">http://www.w3schools.com/webservices/FahrenheitToCelsius</span></a></span>"</span><span style="color: black; font-family: Consolas; font-size: 10.0pt;">;</span></div><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-spacerun: yes;">    </span></span><b><span style="color: #7f0055; font-family: Consolas; font-size: 10.0pt;">private</span></b><span style="color: black; font-family: Consolas; font-size: 10.0pt;"> </span><b><span style="color: #7f0055; font-family: Consolas; font-size: 10.0pt;">static</span></b><span style="color: black; font-family: Consolas; font-size: 10.0pt;"> String </span><i><u><span style="color: #0000c0; font-family: Consolas; font-size: 10.0pt;">SOAP_ACTION2</span></u></i><span style="color: black; font-family: Consolas; font-size: 10.0pt;"> = </span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt;">"</span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt;"><span style="color: windowtext;"><a href="http://www.w3schools.com/webservices/CelsiusToFahrenheit"><span style="color: #0066cc; font-size: 10.0pt; mso-bidi-font-family: Calibri; mso-fareast-font-family: "Times New Roman"; text-decoration: none; text-underline: none;">http://www.w3schools.com/webservices/CelsiusToFahrenheit</span></a></span>"</span><span style="color: black; font-family: Consolas; font-size: 10.0pt;">;</span></div><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-spacerun: yes;">    </span></span><b><span style="color: #7f0055; font-family: Consolas; font-size: 10.0pt;">private</span></b><span style="color: black; font-family: Consolas; font-size: 10.0pt;"> </span><b><span style="color: #7f0055; font-family: Consolas; font-size: 10.0pt;">static</span></b><span style="color: black; font-family: Consolas; font-size: 10.0pt;"> String </span><i><span style="color: #0000c0; font-family: Consolas; font-size: 10.0pt;">NAMESPACE</span></i><span style="color: black; font-family: Consolas; font-size: 10.0pt;"> = </span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt;">"</span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt;"><span style="color: windowtext;"><a href="http://www.w3schools.com/webservices/"><span style="color: #0066cc; font-size: 10.0pt; mso-bidi-font-family: Calibri; mso-fareast-font-family: "Times New Roman"; text-decoration: none; text-underline: none;">http://www.w3schools.com/webservices/</span></a></span>"</span><span style="color: black; font-family: Consolas; font-size: 10.0pt;">;</span></div><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-spacerun: yes;">    </span></span><b><span style="color: #7f0055; font-family: Consolas; font-size: 10.0pt;">private</span></b><span style="color: black; font-family: Consolas; font-size: 10.0pt;"> </span><b><span style="color: #7f0055; font-family: Consolas; font-size: 10.0pt;">static</span></b><span style="color: black; font-family: Consolas; font-size: 10.0pt;"> String </span><i><span style="color: #0000c0; font-family: Consolas; font-size: 10.0pt;">METHOD_NAME1</span></i><span style="color: black; font-family: Consolas; font-size: 10.0pt;"> = </span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt;">"FahrenheitToCelsius"</span><span style="color: black; font-family: Consolas; font-size: 10.0pt;">;</span><span style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-spacerun: yes;">    </span></span><b><span style="color: #7f0055; font-family: Consolas; font-size: 10.0pt;">private</span></b><span style="color: black; font-family: Consolas; font-size: 10.0pt;"> </span><b><span style="color: #7f0055; font-family: Consolas; font-size: 10.0pt;">static</span></b><span style="color: black; font-family: Consolas; font-size: 10.0pt;"> String </span><i><u><span style="color: #0000c0; font-family: Consolas; font-size: 10.0pt;">METHOD_NAME2</span></u></i><span style="color: black; font-family: Consolas; font-size: 10.0pt;"> = </span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt;">"CelsiusToFahrenheit"</span><span style="color: black; font-family: Consolas; font-size: 10.0pt;">;</span><span style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-spacerun: yes;">    </span></span><b><span style="color: #7f0055; font-family: Consolas; font-size: 10.0pt;">private</span></b><span style="color: black; font-family: Consolas; font-size: 10.0pt;"> </span><b><span style="color: #7f0055; font-family: Consolas; font-size: 10.0pt;">static</span></b><span style="color: black; font-family: Consolas; font-size: 10.0pt;"> String </span><i><span style="color: #0000c0; font-family: Consolas; font-size: 10.0pt;">URL</span></i><span style="color: black; font-family: Consolas; font-size: 10.0pt;"> = </span><span style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="border: none; mso-border-alt: solid windowtext .5pt; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-align: justify;"><span style="color: black; font-family: Consolas; font-size: 10.0pt; line-height: 115%;"><span style="mso-spacerun: yes;">    </span><span style="mso-tab-count: 2;">             </span></span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt; line-height: 115%;">"http://www.w3schools.com/webservices/tempconvert.asmx?WSDL"</span><span style="color: black; font-family: Consolas; font-size: 10.0pt; line-height: 115%;">;</span></div></div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-indent: -.25in;"><span style="mso-bidi-font-family: Calibri;"><span style="mso-list: Ignore;"> <span style="font: 7.0pt "Times New Roman";"></span></span></span>       12: Bắt sự kiện onClick cho nút btFtoC. Trong hàm onClick của nó bắt đầu viết như bên dưới gồm khởi tạo SoapObject, gán dữ liệu vào, khai báo envelope, và gán outputSoapObject cho envelope:</div><div style="border: solid windowtext 1.0pt; margin-left: .25in; margin-right: 0in; mso-border-alt: solid windowtext .5pt; mso-element: para-border-div; padding: 1.0pt 4.0pt 1.0pt 4.0pt;"><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-tab-count: 2;">          </span></span><span style="color: #3f7f5f; font-family: Consolas; font-size: 10.0pt;">//khoi tao soap request va param</span><span style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-tab-count: 2;">          </span>SoapObject request=</span><b><span style="color: #7f0055; font-family: Consolas; font-size: 10.0pt;">new</span></b><span style="color: black; font-family: Consolas; font-size: 10.0pt;"> SoapObject(</span><i><span style="color: #0000c0; font-family: Consolas; font-size: 10.0pt;">NAMESPACE</span></i><span style="color: black; font-family: Consolas; font-size: 10.0pt;">,</span><i><span style="color: #0000c0; font-family: Consolas; font-size: 10.0pt;">METHOD_NAME1</span></i><span style="color: black; font-family: Consolas; font-size: 10.0pt;">);</span><span style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-tab-count: 2;">          </span></span><span style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-tab-count: 2;">          </span></span><span style="color: #3f7f5f; font-family: Consolas; font-size: 10.0pt;">//dua du lieu vao cho request</span><span style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-tab-count: 2;">          </span>request.addProperty(</span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt;">"Fahrenheit"</span><span style="color: black; font-family: Consolas; font-size: 10.0pt;">,</span><span style="color: #0000c0; font-family: Consolas; font-size: 10.0pt;">etdoF</span><span style="color: black; font-family: Consolas; font-size: 10.0pt;">.getText().toString());</span><span style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-tab-count: 2;">          </span></span><span style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-tab-count: 2;">          </span></span><span style="color: #3f7f5f; font-family: Consolas; font-size: 10.0pt;">//khai bao Envelope va dua vao version cua SOAP</span><span style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-tab-count: 2;">          </span>SoapSerializationEnvelope envelope=</span><span style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-tab-count: 4;">                        </span></span><b><span style="color: #7f0055; font-family: Consolas; font-size: 10.0pt;">new</span></b><span style="color: black; font-family: Consolas; font-size: 10.0pt;">SoapSerializationEnvelope(SoapEnvelope.</span><i><span style="color: #0000c0; font-family: Consolas; font-size: 10.0pt;">VER11</span></i><span style="color: black; font-family: Consolas; font-size: 10.0pt;">);</span><span style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-tab-count: 2;">          </span>envelope.setOutputSoapObject(request);</span><span style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="border: none; mso-border-alt: solid windowtext .5pt; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in;"><span style="color: black; font-family: Consolas; font-size: 10.0pt; line-height: 115%;"><span style="mso-tab-count: 2;">          </span>envelope.</span><span style="color: #0000c0; font-family: Consolas; font-size: 10.0pt; line-height: 115%;">dotNet</span><span style="color: black; font-family: Consolas; font-size: 10.0pt; line-height: 115%;">=</span><b><span style="color: #7f0055; font-family: Consolas; font-size: 10.0pt; line-height: 115%;">true</span></b><span style="color: black; font-family: Consolas; font-size: 10.0pt; line-height: 115%;">;</span></div></div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-indent: -.25in;"><span style="mso-bidi-font-family: Calibri;"><span style="mso-list: Ignore;">5      </span></span><span style="mso-bidi-font-family: Calibri;"><span style="mso-list: Ignore;"><span style="mso-bidi-font-family: Calibri;"><span style="mso-list: Ignore;"></span></span>13:  T<span style="font: 7.0pt "Times New Roman";"></span></span></span>iếp theo khai báo Transport và đưa vào URL. Sau đó gọi hàm call để gọi service và truyền vào action và envelope.</div><div style="border: solid windowtext 1.0pt; margin-left: 13.5pt; margin-right: 0in; mso-border-alt: solid windowtext .5pt; mso-element: para-border-div; padding: 1.0pt 4.0pt 1.0pt 4.0pt;"><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-tab-count: 2;">           </span></span><span style="color: #3f7f5f; font-family: Consolas; font-size: 10.0pt;">//khoi tao httptransport</span><span style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-tab-count: 2;">           </span>HttpTransportSE httptransport=</span><b><span style="color: #7f0055; font-family: Consolas; font-size: 10.0pt;">new</span></b><span style="color: black; font-family: Consolas; font-size: 10.0pt;"> HttpTransportSE(</span><i><span style="color: #0000c0; font-family: Consolas; font-size: 10.0pt;">URL</span></i><span style="color: black; font-family: Consolas; font-size: 10.0pt;">);</span><span style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-tab-count: 2;">           </span></span><span style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-tab-count: 2;">           </span></span><span style="color: #3f7f5f; font-family: Consolas; font-size: 10.0pt;">//goi webservice</span><span style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-tab-count: 2;">           </span></span><b><span style="color: #7f0055; font-family: Consolas; font-size: 10.0pt;">try</span></b><span style="color: black; font-family: Consolas; font-size: 10.0pt;"> {</span><span style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-tab-count: 3;">                  </span>httptransport.call( </span><i><span style="color: #0000c0; font-family: Consolas; font-size: 10.0pt;">SOAP_ACTION1</span></i><span style="color: black; font-family: Consolas; font-size: 10.0pt;">, envelope);</span><span style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-tab-count: 2;">           </span>} </span><b><span style="color: #7f0055; font-family: Consolas; font-size: 10.0pt;">catch</span></b><span style="color: black; font-family: Consolas; font-size: 10.0pt;"> (Exception e) {</span><span style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-tab-count: 3;">                  </span>Log.<i>d</i>(</span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt;">"loi"</span><span style="color: black; font-family: Consolas; font-size: 10.0pt;">,</span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt;">" "</span><span style="color: black; font-family: Consolas; font-size: 10.0pt;">+ e.toString());</span><span style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="border: none; mso-border-alt: solid windowtext .5pt; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in;"><span style="color: black; font-family: Consolas; font-size: 10.0pt; line-height: 115%;"><span style="mso-tab-count: 2;">           </span>} </span></div></div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-indent: -.25in;"><span style="mso-bidi-font-family: Calibri;"><span style="mso-list: Ignore;"><span style="font: 7.0pt "Times New Roman";"></span></span></span>        <span style="mso-bidi-font-family: Calibri;"><span style="mso-list: Ignore;"> <span style="font: 7.0pt "Times New Roman";"></span></span></span>14: Cuối cùng lấy dữ liệu về và gán lên EditText.</div><div style="border: solid windowtext 1.0pt; margin-left: .25in; margin-right: 0in; mso-border-alt: solid windowtext .5pt; mso-element: para-border-div; padding: 1.0pt 4.0pt 1.0pt 4.0pt;"><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-tab-count: 2;">          </span></span><span style="color: #3f7f5f; font-family: Consolas; font-size: 10.0pt;">//lay du lieu</span><span style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-tab-count: 2;">          </span>SoapObject ketqua=(SoapObject)envelope.</span><span style="color: #0000c0; font-family: Consolas; font-size: 10.0pt;">bodyIn</span><span style="color: black; font-family: Consolas; font-size: 10.0pt;">;</span><span style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-tab-count: 2;">          </span></span><b><span style="color: #7f0055; font-family: Consolas; font-size: 10.0pt;">if</span></b><span style="color: black; font-family: Consolas; font-size: 10.0pt;">(ketqua!=</span><b><span style="color: #7f0055; font-family: Consolas; font-size: 10.0pt;">null</span></b><span style="color: black; font-family: Consolas; font-size: 10.0pt;">)</span><span style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-tab-count: 2;">          </span>{</span><span style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-tab-count: 3;">                 </span></span><span style="color: #0000c0; font-family: Consolas; font-size: 10.0pt;">etdoC</span><span style="color: black; font-family: Consolas; font-size: 10.0pt;">.setText(ketqua.getProperty(0).toString());</span><span style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-tab-count: 2;">          </span>}</span><span style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-tab-count: 2;">          </span></span><b><span style="color: #7f0055; font-family: Consolas; font-size: 10.0pt;">else</span></b><span style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-tab-count: 2;">          </span>{</span><span style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="border: none; line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-border-alt: solid windowtext .5pt; mso-layout-grid-align: none; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in; text-autospace: none;"><span style="color: black; font-family: Consolas; font-size: 10.0pt;"><span style="mso-tab-count: 3;">                 </span>Toast.<i>makeText</i>(getApplicationContext(), </span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt;">"khong co ket qua"</span><span style="color: black; font-family: Consolas; font-size: 10.0pt;">, Toast.</span><i><span style="color: #0000c0; font-family: Consolas; font-size: 10.0pt;">LENGTH_SHORT</span></i><span style="color: black; font-family: Consolas; font-size: 10.0pt;">).show();</span><span style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="border: none; mso-border-alt: solid windowtext .5pt; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt; padding: 0in;"><span style="color: black; font-family: Consolas; font-size: 10.0pt; line-height: 115%;"><span style="mso-tab-count: 2;">          </span>}</span></div></div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-indent: -.25in;"><span style="mso-bidi-font-family: Calibri;"><span style="mso-list: Ignore;"><span style="font: 7.0pt "Times New Roman";"></span></span></span>        <span style="mso-bidi-font-family: Calibri;"><span style="mso-list: Ignore;"> <span style="font: 7.0pt "Times New Roman";"></span></span></span>15: Chạy chương trình (nhớ phải có internet). Nhập vào 1 con số độ F, nhấn nút “Đổi F sang C” để thấy kết quả.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEihhIgt-v9oSKarYDGdk-91YSspOcTVM6ZvmiV73ARM_z5idc1KNhwQoJCQtRr_CZJHAq3AtutmVVS8GdMGRaBdePWx1R-hbY-LeqlZppcY56xAMVYT27SiwZkJe2CjskV4oiwQIi9ZVo0/s1600/image030.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="393" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEihhIgt-v9oSKarYDGdk-91YSspOcTVM6ZvmiV73ARM_z5idc1KNhwQoJCQtRr_CZJHAq3AtutmVVS8GdMGRaBdePWx1R-hbY-LeqlZppcY56xAMVYT27SiwZkJe2CjskV4oiwQIi9ZVo0/s1600/image030.jpg" width="400" /></a></div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-indent: -.25in;"><br /></div><br /><div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">    </div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">       16.<span style="font-size: 7pt;">   </span>Viết tiếp cho nút “Đổi C sang F”.  </div><div class="MsoListParagraphCxSpLast" style="mso-list: l1 level1 lfo1; text-indent: -.25in;">       17.<span style="font-size: 7pt;">   </span>Nâng cấp version lên 4.0 chạy thử để thấy lỗi. Sửa lỗi để chương trình có thể chạy tốt trên các version cao.</div><div class="MsoNormal" style="margin-left: .25in;">   </div><b><span style="font-size: large;">Download full source code <a href="https://www.dropbox.com/s/k7kwvsmwchhy2nr/WEB_SERVICE_SOAP.rar" target="_blank">Click Here</a> </span></b><br /><br /><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="MsoNormal"><br /><div class="MsoListParagraphCxSpFirst" style="mso-list: l1 level1 lfo1; text-indent: -.25in;"><br /></div><br /><div class="MsoNormal"><br /></div></div>

1, Tạo project tên soap_demo1. (Nhớ tạo trên máy ảo 1.6 cho đơn giản) 2 2, Tạo thư mục mới tên “ libs ” trong thư mục gốc của pro...

[Graph Theory ] Bài toán đồ thị con đẳng cấu

<div style="background-color: white; color: #252525; font-family: sans-serif; font-size: 14px; line-height: 22.399999618530273px; margin-bottom: 0.5em; margin-top: 0.5em;">Trong lý thuyết độ phức tạp tính toán (<i>Computational complexity theory</i>), <b>Đồ thị con đẳng cấu</b> là một bài toán quyết định (<i>decision problem</i>) thuộc loại NP-đầy đủ (<i>NP-complete</i>). Phát biểu của bài toán quyết định như sau:</div><div style="background-color: white; font-family: sans-serif; font-size: 14px; line-height: 22.399999618530273px; margin-bottom: 0.5em; margin-top: 0.5em;"><div style="color: #252525;">Đẳng cấu đồ thị con(G<sub style="line-height: 1em;">1</sub>, G<sub style="line-height: 1em;">2</sub>)</div><div style="color: #252525;"><b>Đầu vào:</b> hai đồ thị G<sub style="line-height: 1em;">1</sub> và G<sub style="line-height: 1em;">2</sub>.</div><div style="color: #252525;"><b>Câu hỏi:</b> G<sub style="line-height: 1em;">1</sub> có đẳng cấu với một đồ thị con của G<sub style="line-height: 1em;">2</sub> hay không?</div><div style="color: #252525;"><br /></div><span style="color: blue;">Đồ thị<span style="line-height: 1.5em;"> </span><span style="line-height: 1.5em;">(G1) và (G2) đẳng cấu nhau.</span></span><br /><a name="more"></a><br /><div style="color: #252525; margin-bottom: 0.5em; margin-top: 0.5em;"><a class="image" href="http://vi.wikipedia.org/wiki/T%E1%BA%ADp_tin:%C4%90%E1%BA%B3ng_c%E1%BA%A5u_%C4%91%E1%BB%93_th%E1%BB%8B.png" style="background-image: none; background-position: initial initial; background-repeat: initial initial; color: #0b0080; text-decoration: none;" title="Hình 1: Đẳng cấu đồ thị"><img alt="Hình 1: Đẳng cấu đồ thị" height="318" src="http://upload.wikimedia.org/wikipedia/commons/8/8e/%C4%90%E1%BA%B3ng_c%E1%BA%A5u_%C4%91%E1%BB%93_th%E1%BB%8B.png" style="border: none; margin: 0px; vertical-align: middle;" width="640" /></a></div><ol style="color: #252525; line-height: 1.5em; list-style-image: none; margin: 0.3em 0px 0px 3.2em; padding: 0px;"><li style="margin-bottom: 0.1em;">γ(1)=a, γ(2)=b, γ(3)=c, γ(4)=d</li><li style="margin-bottom: 0.1em;">μ(u1)=e1, μ(u2)=e2, μ(u3)=e6, μ(u4)=e5, μ(u5)=e4, μ(u6)=e3.</li></ol><ul style="line-height: 1.5em; list-style-image: url(data:image/png; margin: 0.3em 0px 0px 1.6em; padding: 0px;"><li style="margin-bottom: 0.1em;"><span style="color: blue;">Hai <a href="http://vi.wikipedia.org/wiki/%C4%90%E1%BB%93_th%E1%BB%8B" style="background-image: none; text-decoration: none;" title="Đồ thị">đồ thị</a> vô hướng G1 và G2 đẳng cấu nhau</span></li></ul><div style="color: #252525; margin-bottom: 0.5em; margin-top: 0.5em;"><a class="image" href="http://vi.wikipedia.org/wiki/T%E1%BA%ADp_tin:%C4%90%E1%BA%B3ng_c%E1%BA%A5u_1.png" style="background-image: none; background-position: initial initial; background-repeat: initial initial; color: #0b0080; text-decoration: none;" title="Hình 2: Đẳng cấu đồ thị 1"><img alt="Hình 2: Đẳng cấu đồ thị 1" height="370" src="http://upload.wikimedia.org/wikipedia/commons/3/33/%C4%90%E1%BA%B3ng_c%E1%BA%A5u_1.png" style="border: none; margin: 0px; vertical-align: middle;" width="640" /></a></div><ul style="line-height: 1.5em; list-style-image: url(data:image/png; margin: 0.3em 0px 0px 1.6em; padding: 0px;"><li style="margin-bottom: 0.1em;"><span style="color: blue;">Hai <a href="http://vi.wikipedia.org/wiki/%C4%90%E1%BB%93_th%E1%BB%8B" style="background-image: none; text-decoration: none;" title="Đồ thị">đồ thị</a> có hướng G3 và G4 không đẳng cấu nhau</span></li></ul><div style="color: #252525; margin-bottom: 0.5em; margin-top: 0.5em;"><a class="image" href="http://vi.wikipedia.org/wiki/T%E1%BA%ADp_tin:Kh%C3%B4ng_%C4%91%E1%BA%B3ng_c%E1%BA%A5u.png" style="background-image: none; color: #faa700;" title="Hình 3: Đồ thị không đẳng cấu"><img alt="Hình 3: Đồ thị không đẳng cấu" height="373" src="http://upload.wikimedia.org/wikipedia/commons/b/b7/Kh%C3%B4ng_%C4%91%E1%BA%B3ng_c%E1%BA%A5u.png" style="border: none; margin: 0px; vertical-align: middle;" width="640" /></a></div><div style="color: #252525;"></div><ul style="color: #252525; line-height: 1.5em; list-style-image: url(data:image/png; margin: 0.3em 0px 0px 1.6em; padding: 0px;"></ul><div style="color: #252525;"></div><h2 style="-webkit-text-stroke-width: 0px; background-color: white; background-image: none; border-bottom-color: rgb(170, 170, 170); border-bottom-style: solid; border-bottom-width: 1px; color: black; font-family: 'Linux Libertine', Georgia, Times, serif; font-size: 1.5em; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: 1.3; margin: 1em 0px 0.25em; orphans: auto; overflow: hidden; padding: 0px; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px;"></h2></div>

Trong lý thuyết độ phức tạp tính toán ( Computational complexity theory ), Đồ thị con đẳng cấu là một bài toán quyết định ( decision probl...

Android NDK: Passing complex data between Java and JNI methods

<h3 class="entry-header" style="background-color: white; border: 0px; font-family: Arial, sans-serif; font-size: large; margin: 1px 0px 10px;"><span style="color: #232323; font-size: x-small; line-height: 19.5px;">Here is the definition of the NDK from the</span><span style="color: #232323; font-size: x-small; line-height: 19.5px;"> </span><a href="http://developer.android.com/tools/sdk/ndk/index.html" style="color: #118888; font-size: small; line-height: 19.5px;">Android SDK documentation</a><span style="color: #232323; font-size: x-small; line-height: 19.5px;">:</span></h3><div class="entry-content" style="background-color: white; clear: both; color: #232323; font-family: Arial, sans-serif; font-size: small; line-height: 19.5px; margin: 10px 0px; position: static;"><div class="entry-body" style="clear: both;"><div style="margin-bottom: 10px; margin-top: 10px;"><em>The NDK (Native Development Kit) is a toolset that allows you to implement parts of your app using native-code languages such as C and C++. For certain types of apps, this can be helpful so you can reuse existing code libraries written in these languages…</em></div><div style="margin-bottom: 10px; margin-top: 10px;">This post is <u>NOT</u> an introduction to using the NDK, so if this is the first time you are dealing with it, I suggest you take a look at a getting started tutorial. Here are some good ones:</div><div style="margin-bottom: 10px; margin-top: 10px;"><a href="http://www.ntu.edu.sg/home/ehchua/programming/android/Android_NDK.html" style="color: #118888;" title="http://www.ntu.edu.sg/home/ehchua/programming/android/Android_NDK.html">http://www.ntu.edu.sg/home/ehchua/programming/android/Android_NDK.html</a></div><div style="margin-bottom: 10px; margin-top: 10px;"><a href="http://www.jayway.com/2011/10/13/getting-started-with-android-ndk/" style="color: #118888;" title="http://www.jayway.com/2011/10/13/getting-started-with-android-ndk/">http://www.jayway.com/2011/10/13/getting-started-with-android-ndk/</a></div><div style="margin-bottom: 10px; margin-top: 10px;">Once you set up your NDK project, it is time to invoke native methods written in C/C++ from your Android Java code. I choose to use the C++ syntax because I like it better, here is our first method that will simply return a string from native code. I illustrate here the difference between C and C++ syntaxes:</div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: #3f7f5f; font-size: small;">// C syntax: my package name is com.autodesk.and.jnitester</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="color: #3f7f5f; font-family: Calibri; font-size: small;">// and my activity invoking the native method is MainActivity,</span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="color: #3f7f5f; font-family: Calibri; font-size: small;">// hence the name </span><span style="color: #3f7f5f; font-family: Calibri; font-size: small;">of my method is</span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="color: #3f7f5f; font-family: Calibri; font-size: small;">//Java_com_autodesk_and_jnitester_MainActivity_MethodName</span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><b></b></span><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">JNIEXPORT</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;"></span><span style="font-size: 11pt;">jstring</span></span></span><br /><a name="more"></a></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;"></span><span style="font-size: 11pt;">JNICALL</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;"></span><span style="font-size: 11pt;"><b>Java_com_autodesk_adn_jnitester_MainActivity_getMessageFromNative</b>(</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;"></span><span style="font-size: 11pt;">    JNIEnv *env,</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;"></span><span style="font-size: 11pt;">    jobject callingObject)</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;"></span><span style="font-size: 11pt;">{</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;"></span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">    return</span></b><span style="color: black;"> (*env)->NewStringUTF(env, </span><span style="color: #2a00ff;">"Native code rules!"</span></span><span style="color: black; font-size: 11pt;">);</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;"></span><span style="font-size: 11pt;">}</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black; font-size: 11pt;"></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: white; font-size: 11pt;">-</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: #3f7f5f; font-size: 11pt;">// C++ syntax: Required to declare as <u>extern</u> "C" to prevent c++ compiler</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: #3f7f5f; font-size: 11pt;">// to mangle function names</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><b><span style="color: #7f0055;"><span style="font-size: 11pt;">extern</span></span></b><span style="font-size: 11pt;"><span style="color: black;"> </span></span><span style="color: #2a00ff; font-size: 11pt;">"C"</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black; font-size: 11pt;">{</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">     </span><span style="font-size: 11pt;">JNIEXPORT</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">     </span><span style="font-size: 11pt;">jstring</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">     </span><span style="font-size: 11pt;">JNICALL</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">     </span><span style="font-size: 11pt;"><b>Java_com_autodesk_adn_jnitester_MainActivity_getMessageFromNative</b>(</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">                </span><span style="font-size: 11pt;">JNIEnv *env,</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">                </span><span style="font-size: 11pt;">jobject callingObject)</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">     </span><span style="font-size: 11pt;">{</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">return</span></b><span style="color: black;"> env->NewStringUTF(</span><span style="color: #2a00ff;">"Native code rules!"</span></span><span style="color: black; font-size: 11pt;">);</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">     </span><span style="font-size: 11pt;">}</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black; font-size: 11pt;">};</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="color: black; font-family: Calibri;"></span></div><div style="margin-bottom: 10px; margin-top: 10px;">In the Android application I am working on at the moment, I use a 3d engine library written in C++, so I will need to pass to my native methods some more complex data type from to to Java.</div><div style="margin-bottom: 10px; margin-top: 10px;">Here is the simplified data structure I will use:</div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><b><span style="color: #7f0055;"><span style="font-size: 11pt;">public</span></span></b><span style="font-size: 11pt;"><span style="color: black;"> </span><b><span style="color: #7f0055;">class</span></b></span><span style="color: black; font-size: 11pt;"> MeshData</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black; font-size: 11pt;">{</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">    </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">private</span></b><span style="color: black;"> </span><b><span style="color: #7f0055;">int</span></b><span style="color: black;"> </span><span style="color: #0000c0;">_facetCount</span></span><span style="color: black; font-size: 11pt;">;</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black; font-size: 11pt;">   </span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">    </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">public</span></b><span style="color: black;"> </span><b><span style="color: #7f0055;">float</span></b><span style="color: black;">[] </span><span style="color: #0000c0;">VertexCoords</span></span><span style="color: black; font-size: 11pt;">;</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">    </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">public</span></b><span style="color: black;"> MeshData(</span><b><span style="color: #7f0055;">int</span></b></span><span style="color: black; font-size: 11pt;"> facetCount)</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">    </span><span style="font-size: 11pt;">{</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">        </span></span><span style="font-size: 11pt;"><span style="color: #0000c0;">_facetCount</span></span><span style="color: black; font-size: 11pt;"> = facetCount;</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black; font-size: 11pt;">       </span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">        </span></span><span style="font-size: 11pt;"><span style="color: #0000c0;">VertexCoords</span><span style="color: black;"> = </span><b><span style="color: #7f0055;">new</span></b><span style="color: black;"> </span><b><span style="color: #7f0055;">float</span></b></span><span style="color: black; font-size: 11pt;">[facetCount];</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black; font-size: 11pt;">       </span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">        </span></span><span style="color: #3f7f5f; font-size: 11pt;">// fills up <u>coords</u> with dummy values</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">        </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">for</span></b><span style="color: black;">(</span><b><span style="color: #7f0055;">int</span></b></span><span style="color: black; font-size: 11pt;"> i=0; i<facetCount; ++i)</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">        </span><span style="font-size: 11pt;">{</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">        </span><span style="font-size: 11pt;">   </span></span><span style="font-size: 11pt;"><span style="color: #0000c0;">VertexCoords</span></span><span style="color: black; font-size: 11pt;">[i] = 10.0f * i;</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">        </span><span style="font-size: 11pt;">}</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">    </span><span style="font-size: 11pt;">}</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">    </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">public</span></b><span style="color: black;"> </span><b><span style="color: #7f0055;">int</span></b></span><span style="color: black; font-size: 11pt;"> getFacetCount()</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">    </span><span style="font-size: 11pt;">{</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">        </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">return</span></b><span style="color: black;"> </span><span style="color: #0000c0;">_facetCount</span></span><span style="color: black; font-size: 11pt;">;</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">    </span><span style="font-size: 11pt;">}</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black; font-size: 11pt;">}</span></span></div><div style="margin-bottom: 10px; margin-top: 10px;">The second jni method illustrates how to access the VertexCoords member field of a MeshData object created from Java:</div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">JNIEXPORT</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">jfloat</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">JNICALL</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;"><b>Java_com_autodesk_adn_jnitester_MainActivity_getMemberFieldFromNative</b>(</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">                </span><span style="font-size: 11pt;">JNIEnv *env,</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">                </span><span style="font-size: 11pt;">jobject callingObject,</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">                </span><span style="font-size: 11pt;">jobject obj)</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">{</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">float</span></b></span><span style="color: black; font-size: 11pt;"> result = 0.0f;</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span><span style="font-size: 11pt;">jclass cls = env->GetObjectClass(obj);</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span></span><span style="color: #3f7f5f; font-size: 11pt;">// get field [F = Array of float</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span><span style="font-size: 11pt;">jfieldID fieldId = env->GetFieldID(cls, </span></span><span style="font-size: 11pt;"><span style="color: #2a00ff;">"VertexCoords"</span><span style="color: black;">, </span><span style="color: #2a00ff;">"[F"</span></span><span style="color: black; font-size: 11pt;">);</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span></span><span style="color: #3f7f5f; font-size: 11pt;">// Get the object field, returns JObject (because it’s an Array)</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span><span style="font-size: 11pt;">jobject objArray = env->GetObjectField (obj, fieldId);</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span></span><span style="color: #3f7f5f;"><span style="font-size: 11pt;">// Cast it to a </span><u><span style="font-size: 11pt;">jfloatarray</span></u></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span><span style="font-size: 11pt;">jfloatArray* fArray = </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">reinterpret_cast</span></b></span><span style="color: black; font-size: 11pt;"><jfloatArray*>(&objArray);</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span><span style="font-size: 11pt;">jsize len = env->GetArrayLength(*fArray);</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span></span><span style="color: #3f7f5f; font-size: 11pt;">// Get the elements</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">float</span></b></span><span style="color: black; font-size: 11pt;">* data = env->GetFloatArrayElements(*fArray, 0);</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">for</span></b><span style="color: black;">(</span><b><span style="color: #7f0055;">int</span></b></span><span style="color: black; font-size: 11pt;"> i=0; i<len; ++i)</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span><span style="font-size: 11pt;">{</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">                </span><span style="font-size: 11pt;">result += data[i];</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span><span style="font-size: 11pt;">}</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span></span><span style="color: #3f7f5f; font-size: 11pt;">// Don't forget to release it</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span><span style="font-size: 11pt;">env->ReleaseFloatArrayElements(*fArray, data, 0);</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">return</span></b></span><span style="color: black; font-size: 11pt;"> result;</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">}</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="color: white; font-family: Calibri;">-</span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;">The next jni method invokes a member function on the Java object and returns the result:</div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: #3f7f5f; font-size: 11pt;">// utility method</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="font-size: 11pt;"><b><span style="color: #7f0055;">int</span></b></span><span style="color: black; font-size: 11pt;"> <b>getFacetCount</b>(JNIEnv *env, jobject obj)</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">{</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span><span style="font-size: 11pt;">jclass cls = env->GetObjectClass(obj);</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span><span style="font-size: 11pt;">jmethodID methodId = env->GetMethodID(cls, </span></span><span style="font-size: 11pt;"><span style="color: #2a00ff;">"getFacetCount"</span><span style="color: black;">, </span><span style="color: #2a00ff;">"()I"</span></span><span style="color: black; font-size: 11pt;">);</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">int</span></b></span><span style="color: black; font-size: 11pt;"> result = env->CallIntMethod(obj, methodId);</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">return</span></b></span><span style="color: black; font-size: 11pt;"> result;</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">}</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">JNIEXPORT</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">jint</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">JNICALL</span></span></span><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">    </span><span style="font-size: 11pt;"><b>Java_com_autodesk_adn_jnitester_MainActivity_invokeMemberFuncFromNative</b>(</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">                     </span><span style="font-size: 11pt;">JNIEnv *env,</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">                     </span><span style="font-size: 11pt;">jobject callingObject,</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">                     </span><span style="font-size: 11pt;">jobject obj)</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">{</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">int</span></b></span><span style="color: black; font-size: 11pt;"> facetCount = getFacetCount(env, obj);</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">return</span></b></span><span style="color: black; font-size: 11pt;"> facetCount;</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">}</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="color: white; font-family: Calibri;">-</span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;">Android You can even instantiate a Java object from the native method and return it to the caller:</div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black; font-size: 11pt;">JNIEXPORT</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">jobject</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">JNICALL</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;"><b>Java_com_autodesk_adn_jnitester_MainActivity_createObjectFromNative</b>(</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">                </span><span style="font-size: 11pt;">JNIEnv *env,</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">                </span><span style="font-size: 11pt;">jobject callingObject,</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">                </span><span style="font-size: 11pt;">jint param)</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;"> </span><span style="font-size: 11pt;">{</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">     </span><span style="font-size: 11pt;">    jclass cls = env->FindClass(</span></span><span style="font-size: 11pt;"><span style="color: #2a00ff;">"<u>com</u>/<u>autodesk</u>/<u>adn</u>/<u>jnitester</u>/MeshData"</span></span><span style="color: black; font-size: 11pt;">);</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">     </span><span style="font-size: 11pt;">    jmethodID methodId = env->GetMethodID(cls, </span></span><span style="font-size: 11pt;"><span style="color: #2a00ff;">"<u><init></u>"</span><span style="color: black;">, </span><span style="color: #2a00ff;">"(I)V"</span></span><span style="color: black; font-size: 11pt;">);</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">     </span><span style="font-size: 11pt;">    jobject obj = env->NewObject(cls, methodId, param);</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">     </span><span style="font-size: 11pt;">    </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">return</span></b></span><span style="color: black; font-size: 11pt;"> obj;</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">}</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;">Android Our last jni method illustrates how to process an array of Java objects as argument:</div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="color: black; font-family: Calibri;"></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">JNIEXPORT</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">jint</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">JNICALL</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;"><b>Java_com_autodesk_adn_jnitester_MainActivity_processObjectArrayFromNative</b>(</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">                </span><span style="font-size: 11pt;">JNIEnv *env,</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">                </span><span style="font-size: 11pt;">jobject callingObject,</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">                </span><span style="font-size: 11pt;">jobjectArray objArray)</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">{</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">int</span></b></span><span style="color: black; font-size: 11pt;"> resultSum = 0;</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">int</span></b></span><span style="color: black; font-size: 11pt;"> len = env->GetArrayLength(objArray);</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">for</span></b><span style="color: black;">(</span><b><span style="color: #7f0055;">int</span></b></span><span style="color: black; font-size: 11pt;"> i=0; i<len; ++i)</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span><span style="font-size: 11pt;">{</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">                </span><span style="font-size: 11pt;">jobject obj = (jobject) env->GetObjectArrayElement(objArray, i);</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">                </span><span style="font-size: 11pt;">resultSum += getFacetCount(env, obj);</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span><span style="font-size: 11pt;">}</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">return</span></b></span><span style="color: black; font-size: 11pt;"> resultSum;</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">}</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;">Here is the Android Activity code that will invoke those jni methods:</div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><b><span style="color: #7f0055;"><span style="font-size: 11pt;">public</span></span></b><span style="font-size: 11pt;"><span style="color: black;"> </span><b><span style="color: #7f0055;">class</span></b><span style="color: black;"> MainActivity </span><b><span style="color: #7f0055;">extends</span></b></span><span style="color: black; font-size: 11pt;"> Activity</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black; font-size: 11pt;">{</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">     </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">static</span></b></span><span style="color: black; font-size: 11pt;"></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">     </span><span style="font-size: 11pt;">{</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span></span><span style="color: #3f7f5f;"><span style="font-size: 11pt;">// "adnjni.dll" in Windows, "libadnjni.so" in </span><u><span style="font-size: 11pt;">Unixes</span></u></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span><span style="font-size: 11pt;">System.<i>loadLibrary</i>(</span></span><span style="font-size: 11pt;"><span style="color: #2a00ff;">"adnjni"</span></span><span style="color: black; font-size: 11pt;">);</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">     </span><span style="font-size: 11pt;">}</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">     </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">public</span></b><span style="color: black;"> </span><b><span style="color: #7f0055;">native</span></b></span><span style="color: black; font-size: 11pt;"> String getMessageFromNative();</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black; font-size: 11pt;">    </span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">     </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">public</span></b><span style="color: black;"> </span><b><span style="color: #7f0055;">native</span></b><span style="color: black;"> </span><b><span style="color: #7f0055;">float</span></b></span><span style="color: black; font-size: 11pt;"> getMemberFieldFromNative(MeshData obj);</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black; font-size: 11pt;">    </span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">     </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">public</span></b><span style="color: black;"> </span><b><span style="color: #7f0055;">native</span></b><span style="color: black;"> </span><b><span style="color: #7f0055;">int</span></b></span><span style="color: black; font-size: 11pt;"> invokeMemberFuncFromNative(MeshData obj);</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black; font-size: 11pt;">    </span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">    </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">public</span></b><span style="color: black;"> </span><b><span style="color: #7f0055;">native</span></b><span style="color: black;"> MeshData createObjectFromNative(</span><b><span style="color: #7f0055;">int</span></b></span><span style="color: black; font-size: 11pt;"> param);</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black; font-size: 11pt;">   </span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">    </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">public</span></b><span style="color: black;"> </span><b><span style="color: #7f0055;">native</span></b><span style="color: black;"> </span><b><span style="color: #7f0055;">int</span></b></span><span style="color: black; font-size: 11pt;"> processObjectArrayFromNative(MeshData[] objArray);</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">     </span></span><span style="color: #646464; font-size: 11pt;">@Override</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">     </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">public</span></b><span style="color: black;"> </span><b><span style="color: #7f0055;">void</span></b></span><span style="color: black; font-size: 11pt;"> onCreate(Bundle savedInstanceState)</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">     </span><span style="font-size: 11pt;">{</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">super</span></b></span><span style="color: black; font-size: 11pt;">.onCreate(savedInstanceState);</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black; font-size: 11pt;">    </span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span></span><span style="color: #3f7f5f; font-size: 11pt;">// get simple string from native</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span><span style="font-size: 11pt;">String msg = getMessageFromNative();</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span></span><span style="color: #3f7f5f; font-size: 11pt;">// access class member in native code and return result to caller</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span><span style="font-size: 11pt;">MeshData obj = </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">new</span></b></span><span style="color: black; font-size: 11pt;"> MeshData(3);</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span><span style="font-size: 11pt;">msg += </span></span><span style="font-size: 11pt;"><span style="color: #2a00ff;">"\n\nResult getMemberFieldFromNative: " </span></span><span style="color: black; font-size: 11pt;">+</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black; font-size: 11pt;">               getMemberFieldFromNative(obj);</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">          </span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;">        <span style="font-size: 11pt;">msg += </span></span><span style="font-size: 11pt;"><span style="color: #2a00ff;">"\nResult invokeMemberFuncFromNative: " </span></span><span style="color: black; font-size: 11pt;">+</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black; font-size: 11pt;">            invokeMemberFuncFromNative(obj);</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">        </span></span><span style="color: #3f7f5f; font-size: 11pt;">// create object in native method and return it to caller</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">        </span><span style="font-size: 11pt;">MeshData obj2 = createObjectFromNative(18);</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">        </span><span style="font-size: 11pt;">msg += </span></span><span style="font-size: 11pt;"><span style="color: #2a00ff;">"\n\nResult createObjectFromNative: "</span></span><span style="color: black; font-size: 11pt;"> + obj2.getFacetCount();</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black; font-size: 11pt;">       </span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">        </span></span><span style="color: #3f7f5f; font-size: 11pt;">// process object array in native code and return result to caller</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">        </span><span style="font-size: 11pt;">MeshData[] objArray = </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">new</span></b></span><span style="color: black; font-size: 11pt;"> MeshData[]</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span><span style="font-size: 11pt;">{</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">        </span><span style="font-size: 11pt;">        </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">new</span></b></span><span style="color: black; font-size: 11pt;"> MeshData(10),</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">        </span><span style="font-size: 11pt;">        </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">new</span></b></span><span style="color: black; font-size: 11pt;"> MeshData(20)</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span><span style="font-size: 11pt;">};</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black; font-size: 11pt;">       </span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">        </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">int</span></b></span><span style="color: black; font-size: 11pt;"> arrayRes = processObjectArrayFromNative(objArray);</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">        </span><span style="font-size: 11pt;">msg += </span></span><span style="font-size: 11pt;"><span style="color: #2a00ff;">"\n\nResult processObjectArrayFromNative: "</span></span><span style="color: black; font-size: 11pt;"> + arrayRes;</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black; font-size: 11pt;">       </span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">        </span><span style="font-size: 11pt;">TextView textView = </span></span><span style="font-size: 11pt;"><b><span style="color: #7f0055;">new</span></b><span style="color: black;"> TextView(</span><b><span style="color: #7f0055;">this</span></b></span><span style="color: black; font-size: 11pt;">);</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span><span style="font-size: 11pt;">textView.setText(msg);</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">           </span><span style="font-size: 11pt;">setContentView(textView);</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black;"><span style="font-size: 11pt;">     </span><span style="font-size: 11pt;">}</span></span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="font-family: Calibri;"><span style="color: black; font-size: 11pt;">}</span></span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><span style="color: white; font-family: Calibri;">-</span></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;">The last thing I am adding to my project is the ability to run under an x86 emulator because it is much faster for testing. if you don’t know what I am talking about, take a look here: <a href="http://adndevblog.typepad.com/cloud_and_mobile/2012/06/android.html" style="color: #118888;">Fast debugging of Android applications</a></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;">In order to do that, I simply add a file named “Application.mk” to my jni project folder:</div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><em><strong>Application.mk:</strong></em></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><em><strong>APP_ABI := all</strong></em></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;">This will compile the jni library for every platform. You can see the difference when you look at the command line output hen building the jni libraries with ndk-build:</div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><a href="http://adndevblog.typepad.com/.a/6a0167607c2431970b019aff165788970c-pi" style="color: #118888;"><img alt="Screen Shot 2013-08-30 at 12.42.52 AM" border="0" height="200" src="http://adndevblog.typepad.com/.a/6a0167607c2431970b019aff15f0d3970b-pi" style="background-image: none; border: 0px; display: inline; padding-left: 0px; padding-right: 0px; padding-top: 0px;" title="Screen Shot 2013-08-30 at 12.42.52 AM" width="483" /></a></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;">Finally here is the output of my JniTester app running in my x86 emulator. I let you do the math to verify the output from native methods is valid <img alt="Winking smile" class="wlEmoticon wlEmoticon-winkingsmile" src="http://adndevblog.typepad.com/.a/6a0167607c2431970b019aff15f0dd970b-pi" style="border-style: none;" /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><a href="http://adndevblog.typepad.com/.a/6a0167607c2431970b019aff16847b970d-pi" style="color: #118888;"><img alt="Screen Shot 2013-08-30 at 12.36.20 AM" border="0" height="384" src="http://adndevblog.typepad.com/.a/6a0167607c2431970b019aff168499970d-pi" style="background-image: none; border: 0px; display: inline; padding-left: 0px; padding-right: 0px; padding-top: 0px;" title="Screen Shot 2013-08-30 at 12.36.20 AM" width="482" /></a></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;"><br /></div><div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt;">As always, full project is available for download here:</div><div class="wlWriterEditableSmartContent" id="scid:fb3a1972-4489-4e52-abe7-25a00bb07fdf:6eb54f9e-5900-4810-8e2e-0d611324905d" style="display: inline; float: none; margin: 0px; padding: 0px;"><div style="margin-bottom: 10px; margin-top: 10px;"><a href="http://adndevblog.typepad.com/jnitester-2.zip" style="color: #118888;" target="_blank">JniTester.zip</a></div></div></div></div>

Here is the definition of the NDK from the Android SDK documentation : The NDK (Native Development Kit) is a toolset that allows you to im...

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