To share image to facebook twitter

Android async process  for sharing a image thru share intent

To share image  to facebook twitter and other share intents we have to download the image as a temp file and use it
//Use the async task on click

shareAsynctask task = new shareAsynctask();

task.execute();

shareAsynctask 

ProgressDialog pd

@SuppressWarnings("unused")

private class shareAsynctask extends AsyncTask<String, Void, String> {

File file;

@Override

protected void onPreExecute() {

// TODO Auto-generated method stub

super.onPreExecute();

pd = new ProgressDialog(yourActivity.this);
pd.setMessage("loading");
pd.show();

}

@Override

protected String doInBackground(String... params) {

// TODO Auto-generated method stub

Bitmap bbicon = null;

String Url;

if (null != image_url) {

bbicon = getBitmapFromURL(image_url);

} else {

bbicon = getBitmapFromURL(image_url);

}

;// BitmapFactory.decodeResource(getResources(),R.drawable.bannerd10);

String extStorageDirectory = Environment

.getExternalStorageDirectory().toString();

OutputStream outStream = null;

file = new File(extStorageDirectory, "temp.png");

try {

outStream = new FileOutputStream(file, false);

bbicon.compress(Bitmap.CompressFormat.PNG, 100, outStream);

outStream.flush();

outStream.close();

} catch (Exception e) {

}

return "";

}

@Override

protected void onPostExecute(String result) {

// TODO Auto-generated method stub

super.onPostExecute(result);

Intent share = new Intent(Intent.ACTION_SEND);

share.setType("image/*");

share.putExtra(Intent.EXTRA_STREAM, Uri.fromFile(file));

share.putExtra(Intent.EXTRA_SUBJECT, "subject");

share.putExtra(Intent.EXTRA_TEXT, "body");

startActivityForResult(Intent.createChooser(share, "Share Image"),

0);

pd.show();

}

}

// Get the bitmap from the below function

public static Bitmap getBitmapFromURL(String src) {

    try {

   

    StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();

StrictMode.setThreadPolicy(policy); 

System.out.println(Uri.encode(src,"UTF-8"));

        URL url = new URL(src.replaceAll(" ", "%20"));

        HttpURLConnection connection = (HttpURLConnection) url.openConnection();

        connection.setDoInput(true);

        connection.connect();

        InputStream input = connection.getInputStream();

        Bitmap myBitmap = BitmapFactory.decodeStream(input);

        //pDialog.dismiss();

        return myBitmap;

    } catch (IOException e) {

        e.printStackTrace();

        return null;

    }

   

}