diff --git a/packages/SystemUI/src/com/android/systemui/shade/ShadeController.java b/packages/SystemUI/src/com/android/systemui/shade/ShadeController.java
index 317d885..ebb9888 100644
--- a/packages/SystemUI/src/com/android/systemui/shade/ShadeController.java
+++ b/packages/SystemUI/src/com/android/systemui/shade/ShadeController.java
@@ -18,6 +18,7 @@
 
 import android.view.MotionEvent;
 
+import com.android.systemui.statusbar.CommandQueue;
 import com.android.systemui.statusbar.NotificationPresenter;
 import com.android.systemui.statusbar.StatusBarState;
 import com.android.systemui.statusbar.phone.CentralSurfaces;
@@ -39,16 +40,24 @@
     void instantCollapseShade();
 
     /** See {@link #animateCollapseShade(int, boolean, boolean, float)}. */
-    void animateCollapseShade();
+    default void animateCollapseShade() {
+        animateCollapseShade(CommandQueue.FLAG_EXCLUDE_NONE);
+    }
 
     /** See {@link #animateCollapseShade(int, boolean, boolean, float)}. */
-    void animateCollapseShade(int flags);
+    default void animateCollapseShade(int flags) {
+        animateCollapseShade(flags, false, false, 1.0f);
+    }
 
     /** See {@link #animateCollapseShade(int, boolean, boolean, float)}. */
-    void animateCollapseShadeForced();
+    default void animateCollapseShadeForced() {
+        animateCollapseShade(CommandQueue.FLAG_EXCLUDE_NONE, true, false, 1.0f);
+    }
 
     /** See {@link #animateCollapseShade(int, boolean, boolean, float)}. */
-    void animateCollapseShadeForcedDelayed();
+    default void animateCollapseShadeForcedDelayed() {
+        animateCollapseShade(CommandQueue.FLAG_EXCLUDE_RECENTS_PANEL, true, true, 1.0f);
+    }
 
     /**
      * Collapse the shade animated, showing the bouncer when on {@link StatusBarState#KEYGUARD} or
@@ -155,17 +164,17 @@
     void onLaunchAnimationEnd(boolean launchIsFullScreen);
 
     /** Sets the listener for when the visibility of the shade changes. */
-    void setVisibilityListener(ShadeVisibilityListener listener);
+    default void setVisibilityListener(ShadeVisibilityListener listener) {};
 
     /** */
-    void setNotificationPresenter(NotificationPresenter presenter);
+    default void setNotificationPresenter(NotificationPresenter presenter) {};
 
     /** */
-    void setNotificationShadeWindowViewController(
-            NotificationShadeWindowViewController notificationShadeWindowViewController);
+    default void setNotificationShadeWindowViewController(
+            NotificationShadeWindowViewController notificationShadeWindowViewController) {};
 
     /** */
-    void setShadeViewController(ShadeViewController shadeViewController);
+    default void setShadeViewController(ShadeViewController shadeViewController) {};
 
     /** Listens for shade visibility changes. */
     interface ShadeVisibilityListener {
diff --git a/packages/SystemUI/src/com/android/systemui/shade/ShadeControllerEmptyImpl.kt b/packages/SystemUI/src/com/android/systemui/shade/ShadeControllerEmptyImpl.kt
new file mode 100644
index 0000000..4d05007
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/shade/ShadeControllerEmptyImpl.kt
@@ -0,0 +1,52 @@
+package com.android.systemui.shade
+
+import android.view.MotionEvent
+import com.android.systemui.dagger.SysUISingleton
+import javax.inject.Inject
+
+/** Empty implementation of ShadeController for variants of Android without shades. */
+@SysUISingleton
+open class ShadeControllerEmptyImpl @Inject constructor() : ShadeController {
+    override fun instantExpandShade() {}
+    override fun instantCollapseShade() {}
+    override fun animateCollapseShade(
+        flags: Int,
+        force: Boolean,
+        delayed: Boolean,
+        speedUpFactor: Float
+    ) {}
+    override fun animateExpandShade() {}
+    override fun animateExpandQs() {}
+    override fun postAnimateCollapseShade() {}
+    override fun postAnimateForceCollapseShade() {}
+    override fun postAnimateExpandQs() {}
+    override fun cancelExpansionAndCollapseShade() {}
+    override fun closeShadeIfOpen(): Boolean {
+        return false
+    }
+    override fun isKeyguard(): Boolean {
+        return false
+    }
+    override fun isShadeFullyOpen(): Boolean {
+        return false
+    }
+    override fun isExpandingOrCollapsing(): Boolean {
+        return false
+    }
+    override fun postOnShadeExpanded(action: Runnable?) {}
+    override fun addPostCollapseAction(action: Runnable?) {}
+    override fun runPostCollapseRunnables() {}
+    override fun collapseShade(): Boolean {
+        return false
+    }
+    override fun collapseShade(animate: Boolean) {}
+    override fun collapseOnMainThread() {}
+    override fun makeExpandedInvisible() {}
+    override fun makeExpandedVisible(force: Boolean) {}
+    override fun isExpandedVisible(): Boolean {
+        return false
+    }
+    override fun onStatusBarTouch(event: MotionEvent?) {}
+    override fun onLaunchAnimationCancelled(isLaunchForActivity: Boolean) {}
+    override fun onLaunchAnimationEnd(launchIsFullScreen: Boolean) {}
+}
diff --git a/packages/SystemUI/src/com/android/systemui/shade/ShadeControllerImpl.java b/packages/SystemUI/src/com/android/systemui/shade/ShadeControllerImpl.java
index b92afac..af74a8d 100644
--- a/packages/SystemUI/src/com/android/systemui/shade/ShadeControllerImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/shade/ShadeControllerImpl.java
@@ -112,26 +112,6 @@
     }
 
     @Override
-    public void animateCollapseShade() {
-        animateCollapseShade(CommandQueue.FLAG_EXCLUDE_NONE);
-    }
-
-    @Override
-    public void animateCollapseShade(int flags) {
-        animateCollapseShade(flags, false, false, 1.0f);
-    }
-
-    @Override
-    public void animateCollapseShadeForced() {
-        animateCollapseShade(CommandQueue.FLAG_EXCLUDE_NONE, true, false, 1.0f);
-    }
-
-    @Override
-    public void animateCollapseShadeForcedDelayed() {
-        animateCollapseShade(CommandQueue.FLAG_EXCLUDE_RECENTS_PANEL, true, true, 1.0f);
-    }
-
-    @Override
     public void animateCollapseShade(int flags, boolean force, boolean delayed,
             float speedUpFactor) {
         if (!force && mStatusBarStateController.getState() != StatusBarState.SHADE) {