private void requestCameraPermission()

in RuntimePermissionsBasic/Application/src/main/java/com/example/android/basicpermissions/MainActivity.java [122:146]

• 18 lines of code
• 2 McCabe index (conditional complexity)

    private void requestCameraPermission() {
        // Permission has not been granted and must be requested.
        if (ActivityCompat.shouldShowRequestPermissionRationale(this,
                Manifest.permission.CAMERA)) {
            // Provide an additional rationale to the user if the permission was not granted
            // and the user would benefit from additional context for the use of the permission.
            // Display a SnackBar with cda button to request the missing permission.
            Snackbar.make(mLayout, R.string.camera_access_required,
                    Snackbar.LENGTH_INDEFINITE).setAction(R.string.ok, new View.OnClickListener() {
                @Override
                public void onClick(View view) {
                    // Request the permission
                    ActivityCompat.requestPermissions(MainActivity.this,
                            new String[]{Manifest.permission.CAMERA},
                            PERMISSION_REQUEST_CAMERA);
                }
            }).show();

        } else {
            Snackbar.make(mLayout, R.string.camera_unavailable, Snackbar.LENGTH_SHORT).show();
            // Request the permission. The result will be received in onRequestPermissionResult().
            ActivityCompat.requestPermissions(this,
                    new String[]{Manifest.permission.CAMERA}, PERMISSION_REQUEST_CAMERA);
        }
    }