put permission message in a static field

Author: codeanticode

studio/apps/arscene/src/main/java/arscene/MainActivity.java

@@ -20,6 +20,7 @@
 public class MainActivity extends AppCompatActivity {
   private static final int CAMERA_PERMISSION_CODE = 0;
   private static final String CAMERA_PERMISSION = Manifest.permission.CAMERA;
+  private static final String CAMERA_PERMISSION_MESSAGE = "Camera permission is needed to use AR";
 
   private PApplet sketch;
 
@@ -45,10 +46,8 @@ protected void onResume() {
   @Override
   public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) {
     if (!hasCameraPermission()) {
-      Toast.makeText(this, "Camera permission is needed to use AR", Toast.LENGTH_LONG)
-          .show();
+      Toast.makeText(this, CAMERA_PERMISSION_MESSAGE, Toast.LENGTH_LONG).show();
       if (!shouldShowRequestPermissionRationale()) {
-        // Permission denied with checking "Do not ask again".
         launchPermissionSettings();
       }
       finish();
@@ -89,17 +88,14 @@ private void requestCameraPermission() {
     ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.CAMERA}, CAMERA_PERMISSION_CODE);
   }
 
-  /** Check to see if we need to show the rationale for this permission. */
   private boolean shouldShowRequestPermissionRationale() {
     return ActivityCompat.shouldShowRequestPermissionRationale(this, CAMERA_PERMISSION);
   }
 
-  /** Launch Application Setting to grant permission. */
   private void launchPermissionSettings() {
     Intent intent = new Intent();
     intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
     intent.setData(Uri.fromParts("package", this.getPackageName(), null));
     this.startActivity(intent);
   }
-
 }