void checkPermission() {
final List<String> permissionsList = new ArrayList<>();
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
if ((checkSelfPermission(Manifest.permission.READ_PHONE_STATE) != PackageManager.PERMISSION_GRANTED))
permissionsList.add(Manifest.permission.READ_PHONE_STATE);
if ((checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED))
permissionsList.add(Manifest.permission.WRITE_EXTERNAL_STORAGE);
if (permissionsList.size() != 0) {
requestPermissions(permissionsList.toArray(new String[permissionsList.size()]),
REQUEST_PHONE_PERMISSIONS);
}
}
}