put PApplet.onCreate() call in PGragment.onCreateView()

Author: codeanticode

core/src/processing/android/PFragment.java

@@ -159,20 +159,22 @@ public View onCreateView(LayoutInflater inflater, ViewGroup container,
                            Bundle savedInstanceState) {
     if (sketch != null) {
       sketch.initSurface(inflater, container, savedInstanceState, this, null);
+
+      // For compatibility with older sketches that run some hardware initialization
+      // inside onCreate(), don't call from Fragment.onCreate() because the surface
+      // will not be yet ready, and so the reference to the activity and other
+      // system variables will be null. In any case, onCreateView() is called
+      // immediately after onCreate():
+      // https://developer.android.com/reference/android/app/Fragment.html#Lifecycle
+      sketch.onCreate(savedInstanceState);
+
       return sketch.getSurface().getRootView();
     } else {
       return null;
     }
   }
 
 
-  @Override
-  public void onCreate(Bundle savedInstanceState) {
-    super.onCreate(savedInstanceState);
-    if (sketch != null) sketch.onCreate(savedInstanceState);
-  }
-
-
   @Override
   public void onStart() {
     super.onStart();