Fix for the what's configuration change issue (#3536)

Author: keianhzo

app/src/common/shared/org/mozilla/vrbrowser/ui/views/NavigationURLBar.java

@@ -109,6 +109,11 @@ public NavigationURLBar(Context context, AttributeSet attrs) {
 
     @SuppressLint("ClickableViewAccessibility")
     private void initialize(Context aContext) {
+        mSettingsViewModel = new ViewModelProvider(
+                (VRBrowserActivity)getContext(),
+                ViewModelProvider.AndroidViewModelFactory.getInstance(((VRBrowserActivity) getContext()).getApplication()))
+                .get(SettingsViewModel.class);
+
         mAudio = AudioEngine.fromContext(aContext);
 
         mUIThreadExecutor = ((VRBrowserApplication)getContext().getApplicationContext()).getExecutors().mainThread();
@@ -120,6 +125,7 @@ private void initialize(Context aContext) {
         // Layout setup
         mBinding = DataBindingUtil.inflate(LayoutInflater.from(getContext()), R.layout.navigation_url, this, true);
         mBinding.setLifecycleOwner((VRBrowserActivity)getContext());
+        mBinding.setSettingsViewmodel(mSettingsViewModel);
 
         // Use Domain autocomplete provider from components
         mAutocompleteProvider = new ShippedDomainsProvider();
@@ -239,25 +245,15 @@ public void detachFromWindow() {
             mViewModel.getIsBookmarked().removeObserver(mIsBookmarkedObserver);
             mViewModel = null;
         }
-        if (mSettingsViewModel != null) {
-            mSettingsViewModel = null;
-        }
     }
 
     public void attachToWindow(@NonNull WindowWidget aWindow) {
         mViewModel = new ViewModelProvider(
                 (VRBrowserActivity)getContext(),
                 ViewModelProvider.AndroidViewModelFactory.getInstance(((VRBrowserActivity) getContext()).getApplication()))
                 .get(String.valueOf(aWindow.hashCode()), WindowViewModel.class);
-        mSettingsViewModel = new ViewModelProvider(
-                (VRBrowserActivity)getContext(),
-                ViewModelProvider.AndroidViewModelFactory.getInstance(((VRBrowserActivity) getContext()).getApplication()))
-                .get(SettingsViewModel.class);
 
         mBinding.setViewmodel(mViewModel);
-        mBinding.setSettingsViewmodel(mSettingsViewModel);
-
-        mSettingsViewModel.refresh();
 
         mViewModel.getIsLoading().observe((VRBrowserActivity)getContext(), mIsLoadingObserver);
         mViewModel.getIsBookmarked().observe((VRBrowserActivity)getContext(), mIsBookmarkedObserver);

app/src/common/shared/org/mozilla/vrbrowser/ui/widgets/NavigationBarWidget.java

@@ -142,6 +142,10 @@ private void initialize(@NonNull Context aContext) {
                 (VRBrowserActivity)getContext(),
                 ViewModelProvider.AndroidViewModelFactory.getInstance(((VRBrowserActivity) getContext()).getApplication()))
                 .get(TrayViewModel.class);
+        mSettingsViewModel = new ViewModelProvider(
+                (VRBrowserActivity)getContext(),
+                ViewModelProvider.AndroidViewModelFactory.getInstance(((VRBrowserActivity) getContext()).getApplication()))
+                .get(SettingsViewModel.class);
 
         updateUI();
 
@@ -189,6 +193,7 @@ private void updateUI() {
         mBinding = DataBindingUtil.inflate(inflater, R.layout.navigation_bar, this, true);
         mBinding.setLifecycleOwner((VRBrowserActivity)getContext());
         mBinding.setViewmodel(mViewModel);
+        mBinding.setSettingsmodel(mSettingsViewModel);
 
         mBinding.navigationBarNavigation.backButton.setOnClickListener(v -> {
             v.requestFocusFromTouch();
@@ -424,6 +429,8 @@ public void onConfigurationChanged(Configuration newConfig) {
         super.onConfigurationChanged(newConfig);
 
         updateUI();
+
+        mSettingsViewModel.refresh();
     }
 
     @Override
@@ -521,10 +528,6 @@ public void detachFromWindow() {
             mViewModel.getIsPopUpBlocked().removeObserver(mIsPopUpBlockedListener);
             mViewModel = null;
         }
-
-        if (mSettingsViewModel != null) {
-            mSettingsViewModel = null;
-        }
     }
 
     @Override
@@ -541,15 +544,8 @@ public void attachToWindow(@NonNull WindowWidget aWindow) {
                 (VRBrowserActivity)getContext(),
                 ViewModelProvider.AndroidViewModelFactory.getInstance(((VRBrowserActivity) getContext()).getApplication()))
                 .get(String.valueOf(mAttachedWindow.hashCode()), WindowViewModel.class);
-        mSettingsViewModel = new ViewModelProvider(
-                (VRBrowserActivity)getContext(),
-                ViewModelProvider.AndroidViewModelFactory.getInstance(((VRBrowserActivity) getContext()).getApplication()))
-                .get(SettingsViewModel.class);
 
         mBinding.setViewmodel(mViewModel);
-        mBinding.setSettingsmodel(mSettingsViewModel);
-
-        mSettingsViewModel.refresh();
 
         mViewModel.getIsActiveWindow().observeForever(mIsActiveWindowObserver);
         mViewModel.getIsPopUpBlocked().observeForever(mIsPopUpBlockedListener);

app/src/common/shared/org/mozilla/vrbrowser/ui/widgets/settings/SettingsWidget.java

@@ -104,6 +104,11 @@ public SettingsWidget(Context aContext, AttributeSet aAttrs, int aDefStyle) {
 
     @SuppressLint("ClickableViewAccessibility")
     private void initialize() {
+        mSettingsViewModel = new ViewModelProvider(
+                (VRBrowserActivity)getContext(),
+                ViewModelProvider.AndroidViewModelFactory.getInstance(((VRBrowserActivity) getContext()).getApplication()))
+                .get(SettingsViewModel.class);
+
         updateUI();
 
         mOpenDialog = SettingsView.SettingViewType.MAIN;
@@ -129,12 +134,6 @@ public void updateUI() {
 
         // Inflate this data binding layout
         mBinding = DataBindingUtil.inflate(inflater, R.layout.settings, this, true);
-
-        mSettingsViewModel = new ViewModelProvider(
-                (VRBrowserActivity)getContext(),
-                ViewModelProvider.AndroidViewModelFactory.getInstance(((VRBrowserActivity) getContext()).getApplication()))
-                .get(SettingsViewModel.class);
-
         mBinding.setSettingsmodel(mSettingsViewModel);
 
         mBinding.backButton.setOnClickListener(v -> {