how to get permission approval android
// Function to check and request permission
public void checkPermission(String permission, int requestCode)
{
// Checking if permission is not granted
if (ContextCompat.checkSelfPermission(MainActivity.this, permission) == PackageManager.PERMISSION_DENIED) {
ActivityCompat.requestPermissions(MainActivity.this, new String[] { permission }, requestCode);
}
else {
Toast.makeText(MainActivity.this, "Permission already granted", Toast.LENGTH_SHORT).show();
}
}