Prevent all apps transition NPE

b/29643291
b/29642263

> Also do not change status bar when landscape mode

Change-Id: I1e44af8e031856a50a7413ad297c437245e8b2aa

src/com/android/launcher3/BaseContainerView.java

@@ -53,7 +53,8 @@ public abstract class BaseContainerView extends FrameLayout {
         Launcher launcher = Launcher.getLauncher(context);
         int width = launcher.getDeviceProfile().availableWidthPx;
         if (FeatureFlags.LAUNCHER3_ALL_APPS_PULL_UP &&
-                this instanceof AllAppsContainerView && !launcher.getDeviceProfile().isLandscape) {
+                this instanceof AllAppsContainerView &&
+                !launcher.getDeviceProfile().isVerticalBarLayout()) {
             mHorizontalPadding = 0;
         } else {
             mHorizontalPadding = DeviceProfile.getContainerPadding(context, width);

src/com/android/launcher3/Hotseat.java

@@ -227,4 +227,8 @@ public class Hotseat extends FrameLayout
             setBackground(mBackground);
         }
     }
+
+    public int getBackgroundDrawableAlpha() {
+        return Color.alpha(mBackgroundColor);
+    }
 }

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

@@ -239,7 +239,7 @@ public class AllAppsTransitionController implements TouchController, VerticalPul
             if (!mLauncher.isAllAppsVisible()) {
                 mLauncher.tryAndUpdatePredictedApps();
 
-                mHotseatBackgroundAlpha = mHotseat.getBackground().getAlpha() / 255f;
+                mHotseatBackgroundAlpha = mHotseat.getBackgroundDrawableAlpha() / 255f;
                 mHotseat.setBackgroundTransparent(true /* transparent */);
                 mAppsView.setVisibility(View.VISIBLE);
                 mAppsView.getContentView().setVisibility(View.VISIBLE);
@@ -270,6 +270,10 @@ public class AllAppsTransitionController implements TouchController, VerticalPul
 
     private void updateLightStatusBar(float progress) {
         boolean enable = (progress < mStatusBarHeight / 2);
+        // Do not modify status bar on landscape as all apps is not full bleed.
+        if (mLauncher.getDeviceProfile().isVerticalBarLayout()) {
+            return;
+        }
         // Already set correctly
         if (mLightStatusBar == enable) {
             return;