Merge "Fix incorrect fragment in gesture tutorial when rotating the screen" into 24D1-dev

quickstep/src/com/android/quickstep/interaction/GestureSandboxActivity.java

@@ -59,7 +59,6 @@ public class GestureSandboxActivity extends FragmentActivity {
 
     @Nullable private TutorialType[] mTutorialSteps;
     private GestureSandboxFragment mCurrentFragment;
-    private GestureSandboxFragment mPendingFragment;
 
     private int mCurrentStep;
     private int mNumSteps;
@@ -177,22 +176,16 @@ public class GestureSandboxActivity extends FragmentActivity {
                     && getResources().getConfiguration().orientation
                     == ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
 
-            GestureSandboxFragment recreatedFragment =
-                    showRotationPrompt || mPendingFragment == null
-                            ? null : mPendingFragment.recreateFragment();
             showFragment(showRotationPrompt
                     ? new RotationPromptFragment()
-                    : recreatedFragment == null
-                            ? mCurrentFragment : recreatedFragment);
+                    : mCurrentFragment.canRecreateFragment()
+                            ? mCurrentFragment.recreateFragment() : mCurrentFragment);
         } else {
             setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
         }
     }
 
     private void showFragment(@NonNull GestureSandboxFragment fragment) {
-        if (mCurrentFragment.recreateFragment() != null) {
-            mPendingFragment = mCurrentFragment;
-        }
         mCurrentFragment = fragment;
         getSupportFragmentManager().beginTransaction()
                 .replace(R.id.gesture_tutorial_fragment_container, mCurrentFragment)

quickstep/src/com/android/quickstep/interaction/GestureSandboxFragment.java

@@ -28,6 +28,10 @@ public abstract class GestureSandboxFragment extends Fragment {
 
     void onDetachedFromWindow() {}
 
+    boolean canRecreateFragment() {
+        return false;
+    }
+
     @Nullable
     GestureSandboxFragment recreateFragment() {
         return null;

quickstep/src/com/android/quickstep/interaction/MenuFragment.java

@@ -38,6 +38,11 @@ public final class MenuFragment extends GestureSandboxFragment {
         return new MenuFragment();
     }
 
+    @Override
+    boolean canRecreateFragment() {
+        return true;
+    }
+
     @Override
     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
             @Nullable Bundle savedInstanceState) {

quickstep/src/com/android/quickstep/interaction/TutorialFragment.java

@@ -114,6 +114,11 @@ abstract class TutorialFragment extends GestureSandboxFragment implements OnTouc
         return newInstance(tutorialType, isGestureComplete(), mFromTutorialMenu);
     }
 
+    @Override
+    boolean canRecreateFragment() {
+        return true;
+    }
+
     @NonNull
     abstract TutorialType getDefaultTutorialType();