private void shareApp() {

    // Get the app package name

    String packageName = getPackageName();

​

    // Create the share intent

    Intent shareIntent = new Intent(Intent.ACTION_SEND);

    shareIntent.setType("text/plain");

    shareIntent.putExtra(Intent.EXTRA_TEXT, "Check out this app: https://play.google.com/store/apps/details?id=" + packageName);

​

    // Create the chooser intent

    Intent chooserIntent = Intent.createChooser(shareIntent, "Share this app");

​

    // Add the app icon to the chooser intent

    PackageManager packageManager = getPackageManager();

    if (chooserIntent.resolveActivity(packageManager) != null) {

        Drawable appIcon = null;

        try {

            appIcon = packageManager.getApplicationIcon(packageName);

        } catch (PackageManager.NameNotFoundException e) {

            e.printStackTrace();

        }

        if (appIcon != null) {

            Bitmap appBitmap = ((BitmapDrawable) appIcon).getBitmap();

            ByteArrayOutputStream stream = new ByteArrayOutputStream();

            appBitmap.compress(Bitmap.CompressFormat.PNG, 100, stream);

            byte[] appIconData = stream.toByteArray();

            chooserIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse(MediaStore.Images.Media.insertImage(getContentResolver(), appBitmap, "App Icon", null)));

            chooserIntent.setType("image/png");

        }

    }

​

    // Start the chooser activity

    startActivity(chooserIntent);

}