Disabling alpha layer on some views

Change-Id: Ide1d5951ea80080f8fea8f32a76487b646b4f958
(cherry picked from commit 2020b20cd9)

res/layout/all_apps.xml

@@ -31,8 +31,6 @@
 
     <include layout="@layout/all_apps_floating_header" />
 
-    <!-- Note: we are reusing/repurposing a system attribute for search layout, because of a
-     platform bug, which prevents using custom attributes in <include> tag -->
     <include
         android:id="@id/search_container_all_apps"
         layout="@layout/search_container_all_apps"/>

src/com/android/launcher3/FastBitmapDrawable.java

@@ -174,10 +174,6 @@ public class FastBitmapDrawable extends Drawable {
         return getBounds().height();
     }
 
-    public Bitmap getBitmap() {
-        return mBitmap;
-    }
-
     @Override
     public boolean isStateful() {
         return true;

src/com/android/launcher3/allapps/AllAppsPagedView.java

@@ -76,4 +76,9 @@ public class AllAppsPagedView extends PagedView<PersonalWorkSlidingTabStrip> {
             super.determineScrollingStart(ev);
         }
     }
+
+    @Override
+    public boolean hasOverlappingRendering() {
+        return false;
+    }
 }

src/com/android/launcher3/allapps/AllAppsRecyclerView.java

@@ -415,4 +415,8 @@ public class AllAppsRecyclerView extends BaseRecyclerView implements LogContaine
                 y + mEmptySearchBackground.getIntrinsicHeight());
     }
 
+    @Override
+    public boolean hasOverlappingRendering() {
+        return false;
+    }
 }

src/com/android/launcher3/allapps/FloatingHeaderView.java

@@ -237,6 +237,11 @@ public class FloatingHeaderView extends LinearLayout implements
     public boolean hasVisibleContent() {
         return false;
     }
+
+    @Override
+    public boolean hasOverlappingRendering() {
+        return false;
+    }
 }
 
 

src/com/android/launcher3/allapps/PersonalWorkSlidingTabStrip.java

@@ -168,4 +168,9 @@ public class PersonalWorkSlidingTabStrip extends LinearLayout implements PageInd
 
     @Override
     public void setMarkersCount(int numMarkers) { }
+
+    @Override
+    public boolean hasOverlappingRendering() {
+        return false;
+    }
 }

src/com/android/launcher3/views/RecyclerViewFastScroller.java

@@ -372,4 +372,11 @@ public class RecyclerViewFastScroller extends View {
         }
         return sTempRect.contains((int) x, (int) y);
     }
+
+    @Override
+    public boolean hasOverlappingRendering() {
+        // There is actually some overlap between the track and the thumb. But since the track
+        // alpha is so low, it does not matter.
+        return false;
+    }
 }