public void onRequestPermissionsResult()

in HdrViewfinder/Application/src/main/java/com/example/android/hdrviewfinder/HdrViewfinderActivity.java [333:374]
26 lines of code
4 McCabe index (conditional complexity)

    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions,
            @NonNull int[] grantResults) {
        Log.i(TAG, "onRequestPermissionResult");
        if (requestCode == REQUEST_PERMISSIONS_REQUEST_CODE) {
            if (grantResults.length <= 0) {
                // If user interaction was interrupted, the permission request is cancelled and you
                // receive empty arrays.
                Log.i(TAG, "User interaction was cancelled.");
            } else if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                // Permission was granted.
                findAndOpenCamera();
            } else {
                // Permission denied.

                // In this Activity we've chosen to notify the user that they
                // have rejected a core permission for the app since it makes the Activity useless.
                // We're communicating this message in a Snackbar since this is a sample app, but
                // core permissions would typically be best requested during a welcome-screen flow.

                // Additionally, it is important to remember that a permission might have been
                // rejected without asking the user for permission (device policy or "Never ask
                // again" prompts). Therefore, a user interface affordance is typically implemented
                // when permissions are denied. Otherwise, your app could appear unresponsive to
                // touches or interactions which have required permissions.
                Snackbar.make(rootView, R.string.camera_permission_denied_explanation, Snackbar
                        .LENGTH_INDEFINITE)
                        .setAction(R.string.settings, new View.OnClickListener() {
                            @Override
                            public void onClick(View view) {
                                // Build intent that displays the App settings screen.
                                Intent intent = new Intent();
                                intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
                                Uri uri = Uri.fromParts("package", BuildConfig.APPLICATION_ID, null);
                                intent.setData(uri);
                                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                                startActivity(intent);
                            }
                        })
                        .show();
            }
        }
    }