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[Android] Test HTTP theo phương thức POST, GET, HttpURLConnection

<br /><h3></h3><h3> </h3><h2>Bài 1: Test HTTP theo phương thức POST</h2>  Chuẩn bị phía server (dùng PHP&MySQL)  <br /><div class="MsoListParagraphCxSpFirst" style="mso-list: l3 level1 lfo1; text-indent: -.25in;"><span style="mso-bidi-font-family: Calibri;"><span style="mso-list: Ignore;">1     1.<span style="font: 7.0pt "Times New Roman";"> </span></span></span>Cài webserver. Vào thư mục www của web server và tạo thư mục con tên “testandroid”.</div><div class="MsoListParagraphCxSpLast" style="mso-list: l3 level1 lfo1; text-indent: -.25in;">       2.Trong thư mục “testandroid” tạo ra file tên “nhan.php” có mã như sau:</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="font-family: "Courier New";"><?</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="font-family: "Courier New";"><span style="mso-tab-count: 1;">   </span>echo "xin chao ban " . $_POST["name"];</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="font-family: "Courier New";">?></span></div></div><h3>Phía client (là chương trình android).</h3><div class="MsoListParagraphCxSpFirst" style="mso-list: l1 level1 lfo2; text-indent: -.25in;"><span style="mso-bidi-font-family: Calibri;"><span style="mso-list: Ignore;">1   1.</span></span>Tạo project mới tên httpdemo1 (chú ý: chọn phiên bản là 1.6 nhé). </div><div class="MsoListParagraphCxSpLast" style="mso-list: l1 level1 lfo2; text-indent: -.25in;">     2.Trong file Mainfest cấp quyền như sau:</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 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-spacerun: yes;">    </span></span><span style="color: teal; font-family: Consolas; font-size: 10.0pt; line-height: 115%;"><</span><span style="color: #3f7f7f; font-family: Consolas; font-size: 10.0pt; line-height: 115%;">uses-permission</span><span style="font-family: Consolas; font-size: 10.0pt; line-height: 115%;"> <span style="color: #7f007f;">android:name</span><span style="color: black;">=</span><i><span style="color: #2a00ff;">"android.permission.ACCESS_NETWORK_STATE"</span></i><span style="color: teal;">/></span></span></div></div><div class="MsoListParagraph" style="mso-list: l1 level1 lfo2; 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>3.Qua file java chính đầu tiên trong hàm onCreate tạo ra đối tượng HttpClient và HttpPost</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>HttpClient httpclient= </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;"> DefaultHttpClient();</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>HttpPost httppost=</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;"> HttpPost(</span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt;">"http://10.0.2.2:8080/testandroid/nhan.php"</span><span style="color: black; font-family: Consolas; font-size: 10.0pt;">);</span><br /><a name="more"></a><span style="font-family: Consolas; font-size: 10.0pt;"></span></div></div><div class="MsoListParagraph" style="mso-list: l1 level1 lfo2; text-indent: -.25in;"><span style="mso-bidi-font-family: Calibri;"><span style="mso-list: Ignore;">4</span></span>   4.Tiếp theo xây dựng các đối số </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>List<NameValuePair> <span style="background: yellow; mso-highlight: yellow;">doiso</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;">ArrayList<NameValuePair>(1);</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-spacerun: yes;">        </span><span style="background: silver; mso-highlight: silver;">doiso</span>.add(</span><b><span style="color: #7f0055; font-family: Consolas; font-size: 10.0pt; line-height: 115%;">new</span></b><span style="color: black; font-family: Consolas; font-size: 10.0pt; line-height: 115%;">BasicNameValuePair(</span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt; line-height: 115%;">"name"</span><span style="color: black; font-family: Consolas; font-size: 10.0pt; line-height: 115%;">,</span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt; line-height: 115%;">"teo"</span><span style="color: black; font-family: Consolas; font-size: 10.0pt; line-height: 115%;">));</span></div></div><div class="MsoListParagraph" style="mso-list: l1 level1 lfo2; text-indent: -.25in;">     5.Cuối cùng gán đối số vào đối tượng HttpPost, tạo ResponseHandler và gọi execute để nhận về nội dung (các catch đã được bỏ bớt).</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;">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-spacerun: yes;">        </span><span style="mso-tab-count: 1;">  </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>UrlEncodedFormEntity entity=</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;">UrlEncodedFormEntity(doiso,</span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt;">"UTF-8"</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: 3;">                 </span>httppost.setEntity(entity);</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>ResponseHandler<String> handler = </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;"> BasicResponseHandler();</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>String content = httpclient.execute(httppost, handler);</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;">"thongbao"</span><span style="color: black; font-family: Consolas; font-size: 10.0pt;">,</span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt;">"noidung"</span><span style="color: black; font-family: Consolas; font-size: 10.0pt;">+content);</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="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: 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>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;">"loi "</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: l1 level1 lfo2; text-indent: -.25in;"><span style="mso-bidi-font-family: Calibri;"><span style="mso-list: Ignore;">6</span></span>     6.Chạy và test logcat.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi9qPxI4gY5gIVZax-Moa1XqQDMfZJrQ64PnLl_KEorUODJNyS_2BuA8TKu_lgIof9hs_rQSY2B80qnWSspXNl_16SIe5eoV32Y1V7AfB7OwgIr20oCD7FjmdOQYDPnyJttE0_F1I_sxms/s1600/image002.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi9qPxI4gY5gIVZax-Moa1XqQDMfZJrQ64PnLl_KEorUODJNyS_2BuA8TKu_lgIof9hs_rQSY2B80qnWSspXNl_16SIe5eoV32Y1V7AfB7OwgIr20oCD7FjmdOQYDPnyJttE0_F1I_sxms/s1600/image002.jpg" /></a></div><div class="MsoNormal" style="margin-left: .25in;"><span style="mso-no-proof: yes;"></span></div><h2>Bài 2 Test HTTP theo phương thức GET</h2><h3>Phía server</h3><div class="MsoListParagraph" style="mso-list: l4 level1 lfo3; text-indent: -.25in;">       1.Cùng chổ với nhan.php tạo 1 trang mới tên nhanget.php có nội dung như sau:</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="font-family: "Courier New";"><?</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="font-family: "Courier New";"><span style="mso-tab-count: 1;">   </span>echo "xin chao ban " . $_GET["name"]. "ban goi du lieu bang get";</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="font-family: "Courier New";">?></span></div></div><h3>Phía client (chương trình android).</h3><div class="MsoListParagraphCxSpLast" style="mso-list: l2 level1 lfo4; 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>1.Tạo project mới tên httpdemo2 (chọn phiên bản 1.6).<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="MsoListParagraphCxSpLast" style="mso-list: l2 level1 lfo4; 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>1.Vào mainfest cấp quyền</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 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-spacerun: yes;">    </span></span><span style="color: teal; font-family: Consolas; font-size: 10.0pt; line-height: 115%;"><</span><span style="color: #3f7f7f; font-family: Consolas; font-size: 10.0pt; line-height: 115%;">uses-permission</span><span style="font-family: Consolas; font-size: 10.0pt; line-height: 115%;"> <span style="color: #7f007f;">android:name</span><span style="color: black;">=</span><i><span style="color: #2a00ff;">"android.permission.ACCESS_NETWORK_STATE"</span></i><span style="color: teal;">/></span></span></div></div><div class="MsoListParagraph" style="mso-list: l2 level1 lfo4; 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>3.Qua file java chính, trong hàm onCreate tạo đối tượng HttpClient và HttpGet.</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>HttpClient client =</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;"> DefaultHttpClient();</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>HttpGet httpget=</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;"> <span style="mso-spacerun: yes;">                  </span></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>HttpGet(</span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt;">"http://10.0.2.2:8080/testandroid/nhanget.php?name=ti"</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;"><span style="color: black; font-family: Consolas; font-size: 10.0pt; line-height: 115%;"><span style="mso-spacerun: yes;">     </span></span></div></div><div class="MsoListParagraph" style="mso-list: l2 level1 lfo4; text-indent: -.25in;">       4.Tiếp theo tạo ResponseHandler rồi gọi execute để thực thi và lấy kết quả về.</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>ResponseHandler<String> handler=</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;">BasicResponseHandler();</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;">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>String content=client.execute(httpget, handler);</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;">"thongbao"</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;">+content);</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: 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>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;">"loi: "</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: l2 level1 lfo4; text-indent: -.25in;">         5.Chạy và kiểm tra logcat</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjDgTU9qWbrliV41P6tmP0tsWq0LqP02SzXYyZomtPO4tMmnRjKXL6li8i1lsQCA5_VlBwr3_Duc46TZ5pRLeeJ4-S4XsBhrO8hD5mpRIEFURTIYLodPxQ4CQhl1oJnK7My3mQdltnbF9M/s1600/image004.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjDgTU9qWbrliV41P6tmP0tsWq0LqP02SzXYyZomtPO4tMmnRjKXL6li8i1lsQCA5_VlBwr3_Duc46TZ5pRLeeJ4-S4XsBhrO8hD5mpRIEFURTIYLodPxQ4CQhl1oJnK7My3mQdltnbF9M/s1600/image004.jpg" /></a></div><div align="center" class="MsoNormal" style="text-align: center;"><span style="mso-no-proof: yes;"></span></div><div class="MsoListParagraph" style="mso-list: l2 level1 lfo4; 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>6.Có thể đọc thông qua InputStreamReader, sửa lại mã như sau:</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;">HttpClient client =</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;"> DefaultHttpClient();</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 style="mso-tab-count: 1;">  </span>HttpGet httpget=</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;"> HttpGet();</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>httpget.setURI(</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;"> URI(</span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt;">"http://10.0.2.2:8080/testandroid/nhanget.php?name=ti"</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>HttpResponse response=client.execute(httpget);</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><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 style="background: silver; mso-highlight: silver;">InputStreamReader</span> is=</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;"> <span style="background: silver; mso-highlight: silver;">InputStreamReader</span>(response.getEntity().getContent());</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>BufferedReader buff=</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;"> BufferedReader(is);</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>String line;</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;">while</span></b><span style="color: black; font-family: Consolas; font-size: 10.0pt;">((line=buff.readLine())!=</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-spacerun: yes;">  </span><span style="mso-spacerun: yes;">          </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-spacerun: yes;">            </span><span style="mso-tab-count: 1;">     </span>Log.<i>d</i>(</span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt;">"dulieu"</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;">+ line);</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></div></div><h2>Bài 3 Test HTTP theo HttpURLConnection</h2><h3>Phía server:</h3><div class="MsoNormal" style="tab-stops: 116.3pt;">Dùng lại từ bài 2<span style="mso-tab-count: 1;">                    </span></div><h3>Phía client</h3><div class="MsoListParagraphCxSpFirst" style="mso-list: l0 level1 lfo5; text-indent: -.25in;"><span style="mso-bidi-font-family: Calibri;"><span style="mso-list: Ignore;">1    1.<span style="font: 7.0pt "Times New Roman";"></span></span></span>Tạo project mới tên httpdemo3 (chọn phiên bản 1.6).       </div><div class="MsoListParagraphCxSpLast" style="mso-list: l0 level1 lfo5; 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>      2.Vào mainfest cấp quyền</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 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-spacerun: yes;">    </span></span><span style="color: teal; font-family: Consolas; font-size: 10.0pt; line-height: 115%;"><</span><span style="color: #3f7f7f; font-family: Consolas; font-size: 10.0pt; line-height: 115%;">uses-permission</span><span style="font-family: Consolas; font-size: 10.0pt; line-height: 115%;"> <span style="color: #7f007f;">android:name</span><span style="color: black;">=</span><i><span style="color: #2a00ff;">"android.permission.ACCESS_NETWORK_STATE"</span></i><span style="color: teal;">/></span></span></div></div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo5; tab-stops: 116.3pt; text-indent: -.25in;">      3.Trong hàm onCreate tạo ra đối tượng URL và cung cấp đường dẫn cho nó, tiếp theo tạo đối tượng HttpURLConnection và gọi openConnection.</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>URL url=</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;"> URL(</span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt;">"http://10.0.2.2:8080/testandroid/nhanget.php?name=ti"</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;"><span style="color: black; font-family: Consolas; font-size: 10.0pt; line-height: 115%;"><span style="mso-tab-count: 1;">   </span><span style="mso-tab-count: 1;">       </span>HttpURLConnection httpurl=(HttpURLConnection)url.openConnection();</span></div></div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo5; tab-stops: 116.3pt; text-indent: -.25in;">      4.Đọc dữ liệu từng dòng vào thông qua BufferedReader và InputStreamReader.</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: 1;">    </span>BufferedReader in=</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><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;"> BufferedReader(</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;"> InputStreamReader(httpurl.getInputStream()));</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: 1;">    </span>String line=</span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt;">""</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: 1;">    </span>StringBuffer sb=</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;"> StringBuffer(</span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt;">""</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: 1;">    </span></span><b><span style="color: #7f0055; font-family: Consolas; font-size: 10.0pt;">while</span></b><span style="color: black; font-family: Consolas; font-size: 10.0pt;">((line=in.readLine())!=</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: 1;">    </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>sb.append(line);</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: 1;">    </span>}</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; tab-stops: 116.3pt;"><span style="color: black; font-family: Consolas; font-size: 10.0pt; line-height: 115%;"><span style="mso-tab-count: 1;">                    </span>Log.<i>d</i>(</span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt; line-height: 115%;">"dulieu"</span><span style="color: black; font-family: Consolas; font-size: 10.0pt; line-height: 115%;">, </span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt; line-height: 115%;">""</span><span style="color: black; font-family: Consolas; font-size: 10.0pt; line-height: 115%;">+sb + </span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt; line-height: 115%;">" theo HttpURLConnection"</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 lfo5; tab-stops: 116.3pt; text-indent: -.25in;">       5.Đóng kết nối lại</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>httpurl.disconnect();</span><span style="font-family: Consolas; font-size: 10.0pt;"></span></div></div><div align="center" class="MsoNormal" style="tab-stops: 116.3pt; text-align: center;"><br /></div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo5; tab-stops: 116.3pt; text-indent: -.25in;">       6.Chạy chương trình và theo dõi Logcat.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjWRLrUwyzg_GEIGCBdqjTLKRjbg8s6cTDJE6lwDUPmNcYEQPdcmOIEVLlPmSJc2j-YkCnWCI9_X4fzJ-E2pTYgzjIIKk8AycfhmYJL9GwatW4bZClqQhG18ba9DkVZ1UARjyC54AEsnoU/s1600/image006.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjWRLrUwyzg_GEIGCBdqjTLKRjbg8s6cTDJE6lwDUPmNcYEQPdcmOIEVLlPmSJc2j-YkCnWCI9_X4fzJ-E2pTYgzjIIKk8AycfhmYJL9GwatW4bZClqQhG18ba9DkVZ1UARjyC54AEsnoU/s1600/image006.jpg" /></a></div><div align="center" class="MsoNormal" style="tab-stops: 116.3pt; text-align: center;"><span style="mso-no-proof: yes;"></span></div><h2> </h2><h2>Nâng cấp lên phiên bản cao và cập nhật giao diện.</h2><div class="MsoNormal" style="tab-stops: 116.3pt;">Yêu cầu: Phát triển từ 1 trong 3 phương pháp trên (3 bài trên). Để cho phép chạy trên phiên bản cao (vd: 3.x, 4.x). Cập nhật thông tin trả về trên giao diện (TextView) thay cho dùng LogCat.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhJRh-7Z-qOyk4__JqX3t7gstFBPtUip2XhYj3DOTED5theoQwjJH7-NMwjojX-7_zkVTZwlVE59ApgTIKJqqKiRWhX4YoCKAXXzP-gMbWbjMeIil0ZvpLhCHLOSxX-ncjFtv_ylnsbvR4/s1600/image008.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhJRh-7Z-qOyk4__JqX3t7gstFBPtUip2XhYj3DOTED5theoQwjJH7-NMwjojX-7_zkVTZwlVE59ApgTIKJqqKiRWhX4YoCKAXXzP-gMbWbjMeIil0ZvpLhCHLOSxX-ncjFtv_ylnsbvR4/s1600/image008.jpg" /></a></div><div class="MsoNormal" style="tab-stops: 116.3pt;"><br /></div><div align="center" class="MsoNormal" style="tab-stops: 116.3pt; text-align: center;"><span style="mso-no-proof: yes;"></span></div><div class="MsoNormal" style="tab-stops: 116.3pt;">Gợi ý: </div><div class="MsoNormal" style="tab-stops: 116.3pt;"></div><div class="MsoNormal" style="tab-stops: 116.3pt;"> </div><div class="MsoNormal" style="tab-stops: 116.3pt;">Dùng AysncTask</div><div class="MsoNormal">Chung ta can xử lý 2 vấn đề </div><br /><div class="MsoNormal" style="tab-stops: 116.3pt;">   </div><div class="MsoListParagraphCxSpFirst" 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>     1. Nâng <span style="mso-spacerun: yes;"> </span>cấp lên 3.0 trở lên thì sẽ bị lỗi NetworkOnMainThreadException do các phiên bản cao thì việc kết nối đến network sẽ bắt lỗi không cho đặt nó trong Thread chính, phải tạo thread riêng cho các tác vụ đụng đến network để đảm bảo an toàn cho chương trình.  </div><div class="MsoListParagraphCxSpLast" 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>     2.Phải cập nhật lại giao diện khi có dữ liệu từ net được trả về.</div><div class="MsoNormal">Hai vấn đề đều được giải quyết bằng cách dùng AsyncTask.</div><div class="MsoNormal">Sửa từ Bài 1</div><div class="MsoListParagraph" style="mso-list: l1 level1 lfo2; text-indent: -.25in;">     1.Xây 1 class<span style="mso-spacerun: yes;">  </span>là subClass của Class chính như sau:</div><div style="border: solid windowtext 1.0pt; 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;">class</span></b><span style="color: black; font-family: Consolas; font-size: 10.0pt;"> LayDuLieu </span><b><span style="color: #7f0055; font-family: Consolas; font-size: 10.0pt;">extends</span></b><span style="color: black; font-family: Consolas; font-size: 10.0pt;">AsyncTask<String,Void,String></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><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: #646464; font-family: Consolas; font-size: 10.0pt;">@Override</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;">protected</span></b><span style="color: black; font-family: Consolas; font-size: 10.0pt;"> String doInBackground(String... arg0) {</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: #3f7f5f; font-family: Consolas; font-size: 10.0pt;">// </span><b><span style="color: #7f9fbf; font-family: Consolas; font-size: 10.0pt;">TODO</span></b><span style="color: #3f7f5f; font-family: Consolas; font-size: 10.0pt;"> Auto-generated method stub</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 style="mso-spacerun: yes;"> </span>HttpClient httpclient= </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;"> DefaultHttpClient();</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 style="mso-spacerun: yes;">     </span>HttpPost httppost=</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;"> HttpPost(arg0[0]);</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 style="mso-spacerun: yes;">     </span>List<NameValuePair> doiso=</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;"> ArrayList<NameValuePair>(1);</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 style="mso-spacerun: yes;">     </span>doiso.add(</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;"> BasicNameValuePair(</span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt;">"name"</span><span style="color: black; font-family: Consolas; font-size: 10.0pt;">,</span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt;">"teo"</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 style="mso-spacerun: yes;">     </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: 2;">              </span><span style="mso-spacerun: yes;">        </span><span style="mso-tab-count: 1;">      </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 style="mso-spacerun: yes;">    </span><span style="mso-tab-count: 1;">   </span><span style="mso-spacerun: yes;"> </span>UrlEncodedFormEntity entity=</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;">UrlEncodedFormEntity(doiso,</span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt;">"UTF-8"</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 style="mso-spacerun: yes;">    </span><span style="mso-tab-count: 1;">   </span><span style="mso-spacerun: yes;"> </span>httppost.setEntity(entity);</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 style="mso-spacerun: yes;">    </span><span style="mso-tab-count: 1;">   </span><span style="mso-spacerun: yes;"> </span>ResponseHandler<String> handler = </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;">BasicResponseHandler();</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 style="mso-spacerun: yes;">    </span><span style="mso-tab-count: 1;">   </span><span style="mso-spacerun: yes;"> </span>String content = httpclient.execute(httppost, handler);</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 style="mso-spacerun: yes;">    </span><span style="mso-tab-count: 1;">   </span><span style="mso-spacerun: yes;"> </span>Log.<i>d</i>(</span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt;">"thongbao"</span><span style="color: black; font-family: Consolas; font-size: 10.0pt;">,</span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt;">"noidung"</span><span style="color: black; font-family: Consolas; font-size: 10.0pt;">+content);</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 style="mso-spacerun: yes;">    </span><span style="mso-tab-count: 1;">   </span><span style="mso-spacerun: yes;"> </span></span><b><span style="color: #7f0055; font-family: Consolas; font-size: 10.0pt;">return</span></b><span style="color: black; font-family: Consolas; font-size: 10.0pt;"> content;</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><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 <span style="background: yellow; mso-highlight: yellow;">e</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="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>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;">"loi "</span><span style="color: black; font-family: Consolas; font-size: 10.0pt;"> + <span style="background: silver; mso-highlight: silver;">e</span>.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: 3;">                     </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 style="mso-spacerun: yes;">    </span></span><b><span style="color: #7f0055; font-family: Consolas; font-size: 10.0pt;">return</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;">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;"><br /></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: #646464; font-family: Consolas; font-size: 10.0pt;">@Override</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;">protected</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;">void</span></b><span style="color: black; font-family: Consolas; font-size: 10.0pt;"> onPostExecute(String result) {</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: #3f7f5f; font-family: Consolas; font-size: 10.0pt;">// </span><b><span style="color: #7f9fbf; font-family: Consolas; font-size: 10.0pt;">TODO</span></b><span style="color: #3f7f5f; font-family: Consolas; font-size: 10.0pt;"> Auto-generated method stub</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><b><span style="color: #7f0055; font-family: Consolas; font-size: 10.0pt;">super</span></b><span style="color: black; font-family: Consolas; font-size: 10.0pt;">.onPostExecute(result);</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;">tv</span><span style="color: black; font-family: Consolas; font-size: 10.0pt;">.setText(</span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt;">"du lieu tra ve la : "</span><span style="color: black; font-family: Consolas; font-size: 10.0pt;">+ result);</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="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 style="mso-tab-count: 1;">   </span></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-spacerun: yes;">    </span>}</span></div></div><div class="MsoListParagraph" style="mso-list: l1 level1 lfo2; text-indent: -.25in;">      2.Trong OnCreate viết thêm như sau:</div><div style="border: solid windowtext 1.0pt; 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>String path=</span><span style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt;">"http://10.0.2.2:8080/testandroid/nhan.php"</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;"><span style="color: black; font-family: Consolas; font-size: 10.0pt; line-height: 115%;"><span style="mso-spacerun: yes;">        </span></span><b><span style="color: #7f0055; font-family: Consolas; font-size: 10.0pt; line-height: 115%;">new</span></b><span style="color: black; font-family: Consolas; font-size: 10.0pt; line-height: 115%;">LayDuLieu().execute(</span><b><span style="color: #7f0055; font-family: Consolas; font-size: 10.0pt; line-height: 115%;">new</span></b><span style="color: black; font-family: Consolas; font-size: 10.0pt; line-height: 115%;"> String[]{path});</span></div></div><br /><div class="MsoNormal" style="tab-stops: 116.3pt;">   </div>

Bài 1: Test HTTP theo phương thức POST Chuẩn bị phía server (dùng PHP&MySQL) 1 1. Cài webserver. Vào thư mục www của web serve...

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