Open a Dialog using the code below:
ActivityCompat.requestPermissions(MainActivity.this, new String[]{Manifest.permission.READ_EXTERNAL_STORAGE}, 1);
Get the Activity result as below:
@Override public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) { switch (requestCode) { case 1: {
// If request is cancelled, the result arrays are empty. if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
// permission was granted, yay! Do the // contacts-related task you need to do. } else {
// permission denied, boo! Disable the // functionality that depends on this permission. Toast.makeText(MainActivity.this, "Permission denied to read your External storage", Toast.LENGTH_SHORT).show(); } return; }
// other 'case' lines to check for other // permissions this app might request } }
More info: https://developer.android.com/training/permissions/requesting.html

Open a Dialog using the code below:
ActivityCompat.requestPermissions(MainActivity.this, new String[]{Manifest.permission.READ_EXTERNAL_STORAGE}, 1);
Get the Activity result as below:
@Override public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) { switch (requestCode) { case 1: {
// If request is cancelled, the result arrays are empty. if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
// permission was granted, yay! Do the // contacts-related task you need to do. } else {
// permission denied, boo! Disable the // functionality that depends on this permission. Toast.makeText(MainActivity.this, "Permission denied to read your External storage", Toast.LENGTH_SHORT).show(); } return; }
// other 'case' lines to check for other // permissions this app might request } }
More info: https://developer.android.com/training/permissions/requesting.html