June 2011

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RapidFire

<div dir="ltr" style="text-align: left;" trbidi="on"><div class="separator" style="clear: both; text-align: center;"><a href="https://market.android.com/details?id=com.peapple.rapidfire" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="82" src="http://dl.dropbox.com/u/2624328/Android%20Pro/Rapid%20Fire/android_market.png" width="207" /></a></div> <table cellpadding="0"><tbody><tr> <td> APPLICATION: RapidFire.</td><td rowspan="6"> <img border="0" src="http://dl.dropbox.com/u/2624328/Android%20Pro/Rapid%20Fire/rapid_fire_small_logo.png" /></td> <td rowspan="6"> <img border="0" src="http://dl.dropbox.com/u/2624328/Android%20Pro/Rapid%20Fire/peaapple.png" /></td> </tr><tr> <td> DEVELOPER: <a href="http://peapple.com/peapple/Peapple.html">Peapple Ltd</a></td> </tr><tr> <td> CATEGORY: Social</td> </tr><tr> <td> PRICE: Free.</td> </tr><tr> <td> REQUIRES ANDROID: 2.2 and up</td> </tr><tr> <td> CONTENT RATING: Low Maturity</td> </tr></tbody></table> With RapidFire share your messages and upload multiple photos to multiple social networks including: <table cellpadding="5"><tbody><tr> <td style="color: #666666; font-size: 14px; font-weight: bold;"> Facebook</td> <td style="color: #666666; font-size: 14px; font-weight: bold;"> Twitter</td> <td style="color: #666666; font-size: 14px; font-weight: bold;"> LinkedIn</td> <td style="color: #666666; font-size: 14px; font-weight: bold;"> WordPress</td> <td style="color: #666666; font-size: 14px; font-weight: bold;"> last.fm</td> <td style="color: #666666; font-size: 14px; font-weight: bold;"> My Space</td><td style="color: #666666; font-size: 14px; font-weight: bold;"> Tumblr</td> </tr><tr> <td> <img border="0" src="http://dl.dropbox.com/u/2624328/Android%20Pro/Rapid%20Fire/facebook_logo.png" /></td> <td> <img border="0" src="http://dl.dropbox.com/u/2624328/Android%20Pro/Rapid%20Fire/twitter_logo.png" /></td> <td> <img border="0" src="http://dl.dropbox.com/u/2624328/Android%20Pro/Rapid%20Fire/linkedin_logo.png" /></td> <td> <img border="0" src="http://dl.dropbox.com/u/2624328/Android%20Pro/Rapid%20Fire/wordpress_logo.png" /></td> <td> <img border="0" src="http://dl.dropbox.com/u/2624328/Android%20Pro/Rapid%20Fire/lastfm_logo.png" /></td> <td> <img border="0" src="http://dl.dropbox.com/u/2624328/Android%20Pro/Rapid%20Fire/myspace_logo.png" /></td> <td> <img border="0" src="http://dl.dropbox.com/u/2624328/Android%20Pro/Rapid%20Fire/tumblr_logo.png" /></td> </tr></tbody></table> now with RapidFire share your thoughts with the whole world with the whole world with a single click: <table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"><tbody><tr><td style="text-align: center;"><a href="http://dl.dropbox.com/u/2624328/Android%20Pro/Rapid%20Fire/message_landscape_activity.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" height="213" src="http://dl.dropbox.com/u/2624328/Android%20Pro/Rapid%20Fire/message_landscape_activity.jpg" width="320" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">share thoughts in one click</td></tr></tbody></table>just write what you want and Fire... you can send more than 140 characters to all networks including Twitter. Sign in with your account to 11 social networks: <table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"><tbody><tr><td style="text-align: center;"><a href="http://dl.dropbox.com/u/2624328/Android%20Pro/Rapid%20Fire/networks_activity.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" height="320" src="http://dl.dropbox.com/u/2624328/Android%20Pro/Rapid%20Fire/networks_activity.jpg" width="192" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">RapidFire social networks</td></tr></tbody></table> RapidFire supports the following networks and blogs: <ol style="text-align: left;"><li>Facebook.</li><li>Twitter.</li><li>LinkedIn.</li><li>Tumblr.</li><li>My Space.</li><li>Google Buzz.</li><li>WordPress.</li><li>last. fm.</li><li>Foursquare.</li><li>Friendfeed.</li><li>idetni.ca.</li></ol><div>Take photos and include them with your message instantly:</div><div class="separator" style="clear: both; text-align: center;"><a href="http://dl.dropbox.com/u/2624328/Android%20Pro/Rapid%20Fire/images_service_activity.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="320" src="http://dl.dropbox.com/u/2624328/Android%20Pro/Rapid%20Fire/images_service_activity.png" width="192" /></a></div><div> </div><div>RapidFire supports the following image services:</div><div><ol style="text-align: left;"><li>YFrog.</li><li>Mobypicture.</li></ol><div>Say what you want even from your home screen:</div></div><div class="separator" style="clear: both; text-align: center;"><a href="http://dl.dropbox.com/u/2624328/Android%20Pro/Rapid%20Fire/rapid_fire_home_screen_widget.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="320" src="http://dl.dropbox.com/u/2624328/Android%20Pro/Rapid%20Fire/rapid_fire_home_screen_widget.jpg" width="192" /></a></div><div> share your thoughts even from your phone's home screen. Upgrade to the Pro version and enjoy more features: <div class="separator" style="clear: both; text-align: center;"><a href="https://market.android.com/details?id=com.peapple.rapidfire.pro" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="200" src="http://dl.dropbox.com/u/2624328/Android%20Pro/Rapid%20Fire/rapid_fire_pro_logo.png" width="200" /></a></div><div class="separator" style="clear: both; text-align: center;"> </div> Geo-tagging: link your posts with your locations: <div class="separator" style="clear: both; text-align: center;"><a href="http://dl.dropbox.com/u/2624328/Android%20Pro/Rapid%20Fire/location_activity.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="320" src="http://dl.dropbox.com/u/2624328/Android%20Pro/Rapid%20Fire/location_activity.png" width="192" /></a></div> Ad-free: <div class="separator" style="clear: both; text-align: center;"><a href="http://dl.dropbox.com/u/2624328/Android%20Pro/Rapid%20Fire/tumblr_activity.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="320" src="http://dl.dropbox.com/u/2624328/Android%20Pro/Rapid%20Fire/tumblr_activity.jpg" width="192" /></a></div> And a last word for developers: RapidFire is an excellent example of the application that can wrap many different APIs and provide an easy way to access them seamlessly. in such a case that you have multiple social networks APIs, it's important to isolate the user from the complications of each one through such an abstraction.</div></div>

APPLICATION: RapidFire. DEVELOPER: Peapple Ltd CATEGORY: Social PRICE: Free. REQUIRES ANDROID: 2.2 and up CONTENT RATING: Low Maturity With RapidFire share your messages and upload multiple photos to mul…

Android Developers Blog: New Editing Features in Eclipse plug-in for Android

Android Developers Blog: New Editing Features in Eclipse plug-in for Android…

Connecting to a web service over a Secure Sockets Layer (SSL): protocol:

<div dir="ltr" style="text-align: left;" trbidi="on">Android default HttpClinet does not support SSL connections, so if you have a secured web service, you need to connect to it via javax.net.ssl.HttpsURLConnection. if you want to call a SSL SOAP web service: <pre class="brush:java">String CallWebService(String url, String soapAction, String envelope) throws IOException { URL address=new URL(url); URLConnection connection=address.openConnection(); HttpsURLConnection post=(HttpsURLConnection)connection; post.setDoInput(true); post.setDoOutput(true); post.setRequestMethod("POST"); post.setRequestProperty("SOAPAction", soapAction); post.setRequestProperty( "Content-type", "text/xml; charset=utf-8" ); post.setRequestProperty( "Content-Length", String.valueOf(envelope.length())); post.setReadTimeout(4000); OutputStream outStream=post.getOutputStream(); Writer out=new OutputStreamWriter(outStream); out.write(envelope); out.flush(); out.close(); InputStream inStream = post.getInputStream(); BufferedInputStream in = new BufferedInputStream(inStream,4); StringBuffer buffer=new StringBuffer(); // read 4 bytes a time byte[] buffArray=new byte[4]; int c=0; while((c=in.read(buffArray))!=-1){ for(int i=0;i<c;i++) buffer.append((char)buffArray[i]); } return buffer.toString(); } </pre></div>

Android default HttpClinet does not support SSL connections, so if you have a secured web service, you need to connect to it via javax.net.ssl.HttpsURLConnection.if you want to call a SSL SOAP web service:String CallWebService(String url, String s…

Calling SOAP Web Services with Android APIs

<div dir="ltr" style="text-align: left;" trbidi="on"><div dir="ltr" style="text-align: left;" trbidi="on"><div dir="ltr" style="text-align: left;" trbidi="on"><div dir="ltr" style="text-align: left;" trbidi="on"><div dir="ltr" style="text-align: left;" trbidi="on"><div dir="ltr" style="text-align: left;" trbidi="on"><div dir="ltr" style="text-align: left;" trbidi="on">One of the most common functionalities required in mobile applications is to call a web service to retrieve data. This process involves requesting the web service with parameters, receiving the response and parsing it to obtain data. Today the most common web services types are SOAP and REST. Android does not provide a built in SOAP client, there are many third party libraries that can be used, but we'll see how to call a SOAP web service with native android APIs. Requesting SOAP web service:</div>Before proceeding to the code, let's take a look at the SOAP structure: <div class="separator" style="clear: both; text-align: center;"><a href="http://dl.dropbox.com/u/2624328/Android%20Pro/2011/May/web%20service/soap_structure.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="200" src="http://dl.dropbox.com/u/2624328/Android%20Pro/2011/May/web%20service/soap_structure.png" width="186" /></a></div> a soap request can be something like this: <pre class="brush:xml">POST /InStock HTTP/1.1 Host: www.example.org Content-Type: application/soap+xml; charset=utf-8 Content-Length: length SOAPAction: "http://www.w3schools.com/GetItems" <?xml version="1.0"?> <soap:Envelope xmlns:soap="http://www.w3.org/2001/12/soap-envelope" soap:encodingStyle="http://www.w3.org/2001/12/soap-encoding"> <soap:Header> <m:Trans xmlns:m="http://www.w3schools.com/transaction/" soap:mustUnderstand="1">234 </m:Trans> </soap:Header> <soap:Body> <m:GetPrice xmlns:m="http://www.w3schools.com/prices"> <m:Item>Apples</m:Item> </m:GetPrice> </soap:Body></soap:Envelope> </pre> the SOAP request/response is sent as a SOAP Envelope which consists of a SOAP Header and a SOAP Body. <ol style="text-align: left;"><li>SOAP Header: optional component of the envelop, contains application specific information, such as authentication.</li><li>SOAP Body: the actual message sent to/received from the service.</li><li>The header can contain a SOAP Action which identifies the desired function to be called by the service.</li></ol><div>Calling the service:</div></div>to call the SOAP web service you have to do the following: First: construct the SOAP envelope manually like this: <pre class="brush:xml">String envelope="<?xml version=\"1.0\" encoding=\"utf-8\"?>"+ "<soap:Envelope xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:soap=\"http://schemas.xmlsoap.org/soap/envelope/\">"+ "<soap:Body>"+ "<GetItems xmlns=\"http://tempuri.org/\">"+ "<startDate>%s</ startDate>"+ "<getAll>%s</getAll>"+ "</Items>"+ "</soap:Body>"+ "</soap:Envelope>"; </pre>where %s are place holders where you substitute request parameters in like this <pre class="brush:java">String requestEnvelope=String.format(envelope, "10-5-2011","true"); </pre> Second: call the web service like this: <pre class="brush:java">String CallWebService(String url, String soapAction, String envelope) { final DefaultHttpClient httpClient=new DefaultHttpClient(); // request parameters HttpParams params = httpClient.getParams(); HttpConnectionParams.setConnectionTimeout(params, 10000); HttpConnectionParams.setSoTimeout(params, 15000); // set parameter HttpProtocolParams.setUseExpectContinue(httpClient.getParams(), true); // POST the envelope HttpPost httppost = new HttpPost(url); // add headers httppost.setHeader("soapaction", soapAction); httppost.setHeader("Content-Type", "text/xml; charset=utf-8"); String responseString=""; try { // the entity holds the request HttpEntity entity = new StringEntity(envelope); httppost.setEntity(entity); // Response handler ResponseHandler<string> rh=new ResponseHandler<string>() { // invoked when client receives response public String handleResponse(HttpResponse response) throws ClientProtocolException, IOException { // get response entity HttpEntity entity = response.getEntity(); // read the response as byte array StringBuffer out = new StringBuffer(); byte[] b = EntityUtils.toByteArray(entity); // write the response byte array to a string buffer out.append(new String(b, 0, b.length)); return out.toString(); } }; responseString=httpClient.execute(httppost, rh); } catch (Exception e) { Log.v("exception", e.toString()); } // close the connection httpClient.getConnectionManager().shutdown(); return responseString; } </string></string></pre></div> after calling this function, you will have the response as a String, something like this: <pre class="brush:xml"><?xml version="1.0" encoding="utf-8"?> <soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"> <soap:Body> <GetItemsResponse xmlns="http://tempuri.org/"> <GetItemsResult> <Items> <Item> <name>string</name> <description>string</ description > </iPhoneCategory> <iPhoneCategory> <name>string</name> <description>string</ description > </ Item > </Items> </GetItemsResult> </ GetItemsResponse > </soap:Body> </soap:Envelope> </pre> this response needs to be parsed to extract the data.</div></div></div></div>

One of the most common functionalities required in mobile applications is to call a web service to retrieve data. This process involves requesting the web service with parameters, receiving the response and parsing it to obtain data.Today the most co…

Calling REST Web Services with Android.

<div dir="ltr" style="text-align: left;" trbidi="on">Requesting REST web service:   you request REST web services by calling a URL with the parameters. like this <pre>http://example.com/resources/getitems</pre> an example of calling a REST web service: <pre class="brush:java">String callWebErvice(String serviceURL){ // http get client HttpClient client=new DefaultHttpClient(); HttpGet getRequest=new HttpGet(); try { // construct a URI object getRequest.setURI(new URI(serviceURL)); } catch (URISyntaxException e) { Log.e("URISyntaxException", e.toString()); } // buffer reader to read the response BufferedReader in=null; // the service response HttpResponse response=null; try { // execute the request response = client.execute(getRequest); } catch (ClientProtocolException e) { Log.e("ClientProtocolException", e.toString()); } catch (IOException e) { Log.e("IO exception", e.toString()); } try { in=new BufferedReader(new InputStreamReader(response.getEntity().getContent())); } catch (IllegalStateException e) { Log.e("IllegalStateException", e.toString()); } catch (IOException e) { Log.e("IO exception", e.toString()); } StringBuffer buff=new StringBuffer(""); String line=""; try { while((line=in.readLine())!=null) { buff.append(line); } } catch (IOException e) { Log.e("IO exception", e.toString()); return e.getMessage(); } try { in.close(); } catch (IOException e) { Log.e("IO exception", e.toString()); } // response, need to be parsed return buff.toString(); } </pre></div>

Requesting REST web service: you request REST web services by calling a URL with the parameters. like thishttp://example.com/resources/getitemsan example of calling a REST web service:String callWebErvice(String serviceURL){ // http get client …

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Android Developers Blog: New Editing Features in Eclipse plug-in for Android

Connecting to a web service over a Secure Sockets Layer (SSL): protocol:

Calling SOAP Web Services with Android APIs

Calling REST Web Services with Android.

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