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I am creating a react-native app in which I need to take permissions from user to access coarse-location and fine-location. I have made a Native Module in android and am using the new Activity Result API ActivityResultContracts.RequestMultiplePermissions for this.

I have added the following in my build.grade

implementation "androidx.activity:activity:1.2.3"

I have declared the ActivityResultLauncher as a member variable on my NativeModule class.

private ActivityResultLauncher<String[]> requestPermissionLauncher =
    registerForActivityResult(new ActivityResultContracts.RequestMultiplePermissions(), permissions -> {
        Log.d(TAG, "result launcher permissions : " + permissions);
    });

private boolean checkLocationPermission() {
int isFineLocationPermissionGanted = ContextCompat.checkSelfPermission(getReactApplicationContext(), Manifest.permission.ACCESS_FINE_LOCATION);
int isCoarseLocationPermissionGanted = ContextCompat.checkSelfPermission(getReactApplicationContext(), Manifest.permission.ACCESS_COARSE_LOCATION);
return isFineLocationPermissionGanted == PackageManager.PERMISSION_GRANTED && isCoarseLocationPermissionGanted == PackageManager.PERMISSION_GRANTED;
}

private void askLocationPermission() {
if(checkLocationPermission()) {
    // location permission is already there
} else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
    Activity activity = getCurrentActivity();
        if (Objects.requireNonNull(activity).shouldShowRequestPermissionRationale(Manifest.permission.ACCESS_FINE_LOCATION) ||
                Objects.requireNonNull(activity).shouldShowRequestPermissionRationale(Manifest.permission.ACCESS_COARSE_LOCATION)) {
            showMessageOKCancel("Please grant location access which is required to search for devices via bluetooth.", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    Log.d(TAG, "onClick: inside onclick yes");
                    requestPermissionLauncher.launch(new String[]{Manifest.permission.ACCESS_FINE_LOCATION, Manifest.permission.ACCESS_COARSE_LOCATION});
                }
            });
        } else {
            requestPermissionLauncher.launch(new String[]{Manifest.permission.ACCESS_FINE_LOCATION, Manifest.permission.ACCESS_COARSE_LOCATION});
        }
    }
}

And I am checking and requesting permission in the above functions. I intend to call askLocationPermission() function in my ReactMethod from my react-native code in useEffect hook in my react-native screen.

The issue that I am facing is that android is not able to find registerForActivityResult() function and is giving the following error on running npx react-native run-android.

Cannot resolve method 'registerForActivityResult' in 'BLEDeviceScanModule'

Harsh Agarwal
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  • `registerForActivityResult` is a method on your activity (specifically on subclasses of `ComponentActivity` such as `FragmentActivity` or `AppCompatActivity`). – ianhanniballake Jul 08 '21 at 17:48
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    @ianhanniballake In react-native the MainActivity extends AppCompatActivity. Is there any way in which I can use `registerForActivityResult ` in NativeModule i.e. not a direct Activity per se? – Harsh Agarwal Jul 08 '21 at 18:43
  • I know this is a bit late, but this is how I solved it. Hope this will help others. https://stackoverflow.com/a/75144449/3080858 – Oyvind Habberstad Jan 17 '23 at 09:56

0 Answers0