Try this works.. import java.io.BufferedInputStream; import java.io.File; import java.io.FileOutputStream; import java.io.InputStream; import java.io.OutputStream; import java.net.URL; import java.net.URLConnection; import android.app.Activity; import android.app.Dialog; import android.app.ProgressDialog; import android.content.Context; import android.content.Intent; import android.net.Uri; import android.os.AsyncTask; import android.os.Bundle; import android.util.Log; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; public class main extends Activity { public static final int DIALOG_DOWNLOAD_PROGRESS = 0; private Button startBtn; private ProgressDialog mProgressDialog; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); startBtn = (Button)findViewById(R.id.startBtn); startBtn.setonClickListener(new onClickListener(){ public void onClick(View v) { startDownload(); } }); } private void startDownload() { String url = "http://farm1.static.flickr.com/114/298125983_0e4bf66782_b.jpg"; new DownloadFileAsync().execute(url); } @Override protected Dialog onCreateDialog(int id) { switch (id) { case DIALOG_DOWNLOAD_PROGRESS: mProgressDialog = new ProgressDialog(this); mProgressDialog.setMessage("Downloading file.."); mProgressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); mProgressDialog.setCancelable(false); mProgressDialog.show(); return mProgressDialog; default: return null; } }class DownloadFileAsync extends AsyncTask<String, String, String> { @Override protected void onPreExecute() { super.onPreExecute(); showDialog(DIALOG_DOWNLOAD_PROGRESS); } @Override protected String doInBackground(String... aurl) { int count; try { URL url = new URL(aurl[0]); URLConnection conexion = url.openConnection(); conexion.connect(); int lenghtOfFile = conexion.getContentLength(); Log.d("ANDRO_ASYNC", "Lenght of file: " + lenghtOfFile); FileOutputStream obj; InputStream input = new BufferedInputStream(url.openStream()); //obj=openFileOutput("some_photo_from_gdansk_poland.jpg", Context.MODE_PRIVATE); String Path="/sdcard/";//"/data/data/com.server/"; OutputStream output = new FileOutputStream(Path+"some_photo_from_gdansk_poland.jpg");//obj byte data[] = new byte[1024]; long total = 0; while ((count = input.read(data)) != -1) { total += count; publishProgress(""+(int)((total*100)/lenghtOfFile)); output.write(data, 0, count); } output.flush(); output.close(); input.close(); } catch (Exception e) {} return null; } protected void onProgressUpdate(String... progress) { Log.d("ANDRO_ASYNC",progress[0]); mProgressDialog.setProgress(Integer.parseInt(progress[0])); } @Override protected void onPostExecute(String unused) { dismissDialog(DIALOG_DOWNLOAD_PROGRESS); }} } and add android.permission.WRITE_EXTERNAL_STORAGE
