diff --git a/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java b/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
index b63b9dd..96a6d28 100644
--- a/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
@@ -248,7 +248,7 @@
         }
 
         mTaskbarLauncherStateController.updateStateForFlag(FLAG_VISIBLE, isVisible);
-        if (fromInit) {
+        if (fromInit || mControllers == null) {
             duration = 0;
         }
         return mTaskbarLauncherStateController.applyState(duration, startAnimation);
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarLauncherStateController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarLauncherStateController.java
index eb1165a..0eb8890 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarLauncherStateController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarLauncherStateController.java
@@ -246,7 +246,9 @@
 
         resetIconAlignment();
 
-        mLauncher.getStateManager().addStateListener(mStateListener);
+        if (!mControllers.taskbarActivityContext.isPhoneMode()) {
+            mLauncher.getStateManager().addStateListener(mStateListener);
+        }
         mLauncherState = launcher.getStateManager().getState();
         updateStateForSysuiFlags(sysuiStateFlags, /*applyState*/ false);
 
@@ -412,7 +414,7 @@
     }
 
     public Animator applyState(long duration, boolean start) {
-        if (mIsDestroyed) {
+        if (mIsDestroyed || mControllers.taskbarActivityContext.isPhoneMode()) {
             return null;
         }
         Animator animator = null;
@@ -861,7 +863,8 @@
                 "%s\tmTaskbarBackgroundAlpha=%.2f", prefix, mTaskbarBackgroundAlpha.value));
         pw.println(String.format(
                 "%s\tmIconAlphaForHome=%.2f", prefix, mIconAlphaForHome.getValue()));
-        pw.println(String.format("%s\tmPrevState=%s", prefix, getStateString(mPrevState)));
+        pw.println(String.format("%s\tmPrevState=%s", prefix,
+                mPrevState == null ? null : getStateString(mPrevState)));
         pw.println(String.format("%s\tmState=%s", prefix, getStateString(mState)));
         pw.println(String.format("%s\tmLauncherState=%s", prefix, mLauncherState));
         pw.println(String.format(