I am working on phonegap with android. i want to download a file from given url to my sd card. **this is my index.html** <!DOCTYPE HTML> <html> <head> <meta name="viewport" content="width=320; user-scalable=no" /> <meta http-equiv="Content-type" content="text/html; charset=utf-8"> <title>PhoneGap Demo With JQuery Mobile</title> <link rel="stylesheet" href="jquery.mobile/jquery.mobile-1.0b2.css" type="text/css" charset="utf-8" /> <link rel="stylesheet" href="pgandjqm-style-override.css" type="text/css" charset="utf-8" /> <script type="text/javascript" src="jquery.mobile/jquery-1.6.2.min"></script> <script type="text/javascript" charset="utf-8" src="phonegap-1.0.0.js"></script> <script src="jquery.mobile/jquery.mobile-1.0b2.js"></script> <script type="text/javascript" charset="utf-8" src="main.js"></script> <script type="text/javascript" charset="utf-8" src="downloader.js"></script> <script type="text/javascript"> function down1() { window.plugins.downloader.downloadFile("http://192.168.1.214/sample/Winter.jpg","/mnt/sdcard/","archive.zip", false, function(data){ if(data=="exist") { alert("File already exist"); } else { alert("File saved on sd card") } },function(data){ alert("error is : "+data); }); } </script> </head> <body> <div data-role="button" onclick="down1();">Get data</div> </body> </html> **this is my downloader.js** function Downloader() { } Downloader.prototype.downloadFile = function(fileUrl,dirName,fileName,overwrite,win,fail) { if(overwrite==false) overwrite="false"; else overwrite="true"; PhoneGap.exec(win, fail, "Downloader", "downloadFile", [fileUrl,dirName,fileName,overwrite]); }; PhoneGap.addConstructor(function() { console.log('=============i am in addConstructor================'); PhoneGap.addPlugin("downloader", new Downloader()); PluginManager.addService("Downloader","com.example.pgplugins.DownloaderPlugin"); }); **this is my Downloader.java** package com.example.pgplugins.DownloaderPlugin; //package com.example.pgplugins.downloaderPlugin; /* @author Mauro Rocco http://www.toforge.com */ import org.json.JSONArray; import org.json.JSONException; import android.util.Log; import com.phonegap.DroidGap; import com.phonegap.api.Plugin; import com.phonegap.api.PluginResult; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.net.HttpURLConnection; import java.net.URL; public class Downloader extends Plugin{ @Override public PluginResult execute(String action, JSONArray args, String callbackId) { System.out.println("=============i am in head class================"); if (action.equals("downloadFile")) { try { return this.downloadUrl(args.getString(0),args.getString(1),args.getString(2),args.getString(3)); } catch (JSONException e) { return new PluginResult(PluginResult.Status.ERROR, "Param errrors"); } } else { return new PluginResult(PluginResult.Status.INVALID_ACTION); } } private PluginResult downloadUrl(String fileUrl, String dirName, String fileName, String overwrite){ try{ Log.d("DownloaderPlugin", "DIRECTORY CALLED /sdcard/"+dirName+" created"); File dir = new File("/sdcard/"+dirName); if(!dir.exists()){ Log.d("DownloaderPlugin", "directory /sdcard/"+dirName+" created"); dir.mkdirs(); } File file = new File("/sdcard/"+dirName+fileName); if(overwrite.equals("false") && file.exists()){ Log.d("DownloaderPlugin", "File already exist"); return new PluginResult(PluginResult.Status.OK, "exist"); } URL url = new URL(fileUrl); HttpURLConnection ucon = (HttpURLConnection) url.openConnection(); ucon.setRequestMethod("GET"); ucon.setDoOutput(true); ucon.connect(); Log.d("DownloaderPlugin", "download begining"); Log.d("DownloaderPlugin", "download url:" + url); InputStream is = ucon.getInputStream(); byte[] buffer = new byte[1024]; int len1 = 0; FileOutputStream fos = new FileOutputStream(file); while ( (len1 = is.read(buffer)) > 0 ) { fos.write(buffer,0, len1); } fos.close(); Log.d("DownloaderPlugin", "Download complete in" + fileName); } catch (IOException e) { Log.d("DownloaderPlugin", "Error: " + e); return new PluginResult(PluginResult.Status.ERROR, "Error: " + e); } return new PluginResult(PluginResult.Status.OK, fileName); } } **and this is my simple main class:-** package com.example.pgplugins.DownloaderPlugin; import com.phonegap.*; import android.os.Bundle; public class musicdownloader extends DroidGap { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); super.loadUrl("file:///android_asset/www/index.html"); } } when i run this program, it is not doing anything. This is my whole project code, so please tell me what is mistake i have done.
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