Pixel Launcher Extended Keeps Stopping

[BirdWord12]

05-17 12:22:16.415 14956 14956 D AndroidRuntime: Shutting down VM
05-17 12:22:16.415 14956 14956 E AndroidRuntime: FATAL EXCEPTION: main
05-17 12:22:16.415 14956 14956 E AndroidRuntime: Process: com.google.android.apps.nexuslauncher, PID: 14956
05-17 12:22:16.415 14956 14956 E AndroidRuntime: java.lang.NoClassDefFoundError: Failed resolution of: Landroid/window/BackProgressAnimator;
05-17 12:22:16.415 14956 14956 E AndroidRuntime: at com.android.quickstep.LauncherBackAnimationController.(Unknown Source:55)
05-17 12:22:16.415 14956 14956 E AndroidRuntime: at com.android.launcher3.QuickstepTransitionManager.(Unknown Source:49)
05-17 12:22:16.415 14956 14956 E AndroidRuntime: at com.android.launcher3.uioverrides.QuickstepLauncher.setupViews(Unknown Source:88)
05-17 12:22:16.415 14956 14956 E AndroidRuntime: at com.google.android.apps.nexuslauncher.NexusLauncherActivity.setupViews(Unknown Source:7)
05-17 12:22:16.415 14956 14956 E AndroidRuntime: at com.android.launcher3.Launcher.onCreate(Unknown Source:168)
05-17 12:22:16.415 14956 14956 E AndroidRuntime: at com.android.launcher3.uioverrides.QuickstepLauncher.onCreate(Unknown Source:0)
05-17 12:22:16.415 14956 14956 E AndroidRuntime: at com.google.android.apps.nexuslauncher.NexusLauncherActivity.onCreate(Unknown Source:0)
05-17 12:22:16.415 14956 14956 E AndroidRuntime: at android.app.Activity.performCreate(Activity.java:8422)
05-17 12:22:16.415 14956 14956 E AndroidRuntime: at android.app.Activity.performCreate(Activity.java:8395)
05-17 12:22:16.415 14956 14956 E AndroidRuntime: at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1403)
05-17 12:22:16.415 14956 14956 E AndroidRuntime: at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3844)
05-17 12:22:16.415 14956 14956 E AndroidRuntime: at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:4013)
05-17 12:22:16.415 14956 14956 E AndroidRuntime: at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:111)
05-17 12:22:16.415 14956 14956 E AndroidRuntime: at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
05-17 12:22:16.415 14956 14956 E AndroidRuntime: at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
05-17 12:22:16.415 14956 14956 E AndroidRuntime: at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2469)
05-17 12:22:16.415 14956 14956 E AndroidRuntime: at android.os.Handler.dispatchMessage(Handler.java:106)
05-17 12:22:16.415 14956 14956 E AndroidRuntime: at android.os.Looper.loopOnce(Looper.java:240)
05-17 12:22:16.415 14956 14956 E AndroidRuntime: at android.os.Looper.loop(Looper.java:351)
05-17 12:22:16.415 14956 14956 E AndroidRuntime: at android.app.ActivityThread.main(ActivityThread.java:8379)
05-17 12:22:16.415 14956 14956 E AndroidRuntime: at java.lang.reflect.Method.invoke(Native Method)
05-17 12:22:16.415 14956 14956 E AndroidRuntime: at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:584)
05-17 12:22:16.415 14956 14956 E AndroidRuntime: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1013)05-17 12:22:16.415 14956 14956 E AndroidRuntime: Caused by: java.lang.ClassNotFoundException: android.window.BackProgressAnimator
05-17 12:22:16.415 14956 14956 E AndroidRuntime: ... 23 more

[seasonyuu]

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