Fix issue where "No recent apps" showed initially before loading thumbnails

Bug: 6573911

Also add additional debugging code for bug 6573911

2 files changed, 10 insertions, 1 deletions

diff --git a/packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java b/packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java
index 39d686f..4351e95 100644
--- a/packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java
+++ b/packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java
@@ -308,7 +308,7 @@ public class RecentsPanelView extends FrameLayout implements OnItemClickListener
 
             // if there are no apps, either bring up a "No recent apps" message, or just
             // quit early
-            boolean noApps = (mRecentTaskDescriptions.size() == 0);
+            boolean noApps = !mFirstScreenful && (mRecentTaskDescriptions.size() == 0);
             if (mRecentsNoApps != null) {
                 mRecentsNoApps.setVisibility(noApps ? View.VISIBLE : View.INVISIBLE);
             } else {
diff --git a/packages/SystemUI/src/com/android/systemui/recent/RecentsVerticalScrollView.java b/packages/SystemUI/src/com/android/systemui/recent/RecentsVerticalScrollView.java
index 3c71784..f682203 100644
--- a/packages/SystemUI/src/com/android/systemui/recent/RecentsVerticalScrollView.java
+++ b/packages/SystemUI/src/com/android/systemui/recent/RecentsVerticalScrollView.java
@@ -101,6 +101,9 @@ public class RecentsVerticalScrollView extends ScrollView
             }
 
             final View view = mAdapter.getView(i, old, mLinearLayout);
+            if (view.getParent() != null) {
+                throw new RuntimeException("Recycled child has parent");
+            }
 
             if (mPerformanceHelper != null) {
                 mPerformanceHelper.addViewCallback(view);
@@ -139,6 +142,9 @@ public class RecentsVerticalScrollView extends ScrollView
             thumbnailView.setClickable(true);
             thumbnailView.setOnClickListener(launchAppListener);
             thumbnailView.setOnLongClickListener(longClickListener);
+            if (view.getParent() != null) {
+                throw new RuntimeException("Recycled child has parent");
+            }
 
             // We don't want to dismiss recents if a user clicks on the app title
             // (we also don't want to launch the app either, though, because the
@@ -148,6 +154,9 @@ public class RecentsVerticalScrollView extends ScrollView
             appTitle.setOnTouchListener(noOpListener);
             final View calloutLine = view.findViewById(R.id.recents_callout_line);
             calloutLine.setOnTouchListener(noOpListener);
+            if (view.getParent() != null) {
+                throw new RuntimeException("Recycled child has parent");
+            }
 
             mLinearLayout.addView(view);
         }