Android saving file to external storage

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Use this function to save your bitmap in SD card 

private void SaveImage(Bitmap finalBitmap) {

    String root = Environment.getExternalStorageDirectory().toString();
    File myDir = new File(root + "/saved_images");    
     if (!myDir.exists()) {
                    myDir.mkdirs();
                }
    Random generator = new Random();
    int n = 10000;
    n = generator.nextInt(n);
    String fname = "Image-"+ n +".jpg";
    File file = new File (myDir, fname);
    if (file.exists ())
      file.delete (); 
    try {
        FileOutputStream out = new FileOutputStream(file);
        finalBitmap.compress(Bitmap.CompressFormat.JPEG, 90, out);
        out.flush();
        out.close();

    } catch (Exception e) {
         e.printStackTrace();
    }
}

and add this in manifest

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

EDIT: By using this line you will be able to see saved images in the gallery view.

sendBroadcast(new Intent(Intent.ACTION_MEDIA_MOUNTED,
                         Uri.parse("file://" + Environment.getExternalStorageDirectory())));

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