commit da9530da068e34fc3fba9f33d2da4cbd60b86f8d
author Kunhung Li <kunhungli@google.com> Mon Jun 15 14:52:00 2020 +0800
committer Kunhung Li <kunhungli@google.com> Tue Jun 16 01:59:15 2020 +0000
tree 79559710f31f4998721aff4e4bea5f06ec4efc40
parent c4a30b85ff47702297d40311718d183ae3f975cf

Fix live full preview show black

Live full preview will show black wallpaper while unlocking
the device from lock screen.

Wallpaper does not set up connection while unlocking the
device from lock screen.

Update wallpaper conneciton in onStart().

Bug: 158812342
Test: Manual

Change-Id: I8a2685e7c19291564d68403d7c54a688c44ff160

src/com/android/wallpaper/picker/LivePreviewFragment.java

diff --git a/src/com/android/wallpaper/picker/LivePreviewFragment.java b/src/com/android/wallpaper/picker/LivePreviewFragment.java
index efc4d93..6ac8649 100644
--- a/src/com/android/wallpaper/picker/LivePreviewFragment.java
+++ b/src/com/android/wallpaper/picker/LivePreviewFragment.java
@@ -200,7 +200,6 @@
                 setupPreview()
         );
         setupCurrentWallpaperPreview(view);
-        previewLiveWallpaper(container, mHomePreview);
         setupPreview();
         renderWorkspaceSurface();
         onBottomActionBarReady(mBottomActionBar);
@@ -302,8 +301,8 @@
         super.onDestroy();
     }
 
-    private void previewLiveWallpaper(ViewGroup container, ImageView thumbnailView) {
-        container.post(() -> {
+    private void previewLiveWallpaper(ImageView thumbnailView) {
+        thumbnailView.post(() -> {
             mWallpaper.getThumbAsset(requireActivity().getApplicationContext()).loadPreviewImage(
                     requireActivity(), thumbnailView,
                     getResources().getColor(R.color.secondary_color));
@@ -378,7 +377,7 @@
 
         mWallpaperConnection.setVisibility(true);
         previewView.post(() -> {
-            if (!mWallpaperConnection.connect()) {
+            if (mWallpaperConnection != null && !mWallpaperConnection.connect()) {
                 mWallpaperConnection = null;
                 LiveTileOverlay.INSTANCE.detach(previewView.getOverlay());
             }
@@ -517,6 +516,12 @@
     }
 
     @Override
+    public void onStart() {
+        super.onStart();
+        previewLiveWallpaper(mHomePreview);
+    }
+
+    @Override
     public void onResume() {
         super.onResume();
         if (mWallpaperConnection != null) {