PermissionApp.java

static final int PERMISSIONS_REQUEST_ACCESS_FINE_LOCATION=2000;
    boolean mLocationPermissionGranted=false;

    private void getLocationPermission() {
         if (ContextCompat.checkSelfPermission(getActivity(),
                android.Manifest.permission.ACCESS_FINE_LOCATION)
                == PackageManager.PERMISSION_GRANTED) {
            mLocationPermissionGranted = true;
        } else {
            ActivityCompat.requestPermissions(getActivity(),
                    new String[]{android.Manifest.permission.ACCESS_FINE_LOCATION},
                    PERMISSIONS_REQUEST_ACCESS_FINE_LOCATION);
         }
    }

    @Override
    public void onRequestPermissionsResult(int requestCode,  @NonNull String permissions[],  @NonNull int[] grantResults) {
        mLocationPermissionGranted = false;
        switch (requestCode) {
            case PERMISSIONS_REQUEST_ACCESS_FINE_LOCATION: {
                // If request is cancelled, the result arrays are empty.
                if (grantResults.length > 0
                        && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                    mLocationPermissionGranted = true;
                    //getDeviceLocation();
                }
            }
        }
      //  updateLocationUI();
    }