RelativeLayout$LayoutParams cannot be cast to ActionMenuView$LayoutParams lazarus / 43-Android ---------------------------------------------------------------------- Robert Gilland · 2021-07-01 07:53 Okay,    I nearly have all my Android Forms up and working again, until I hit the below exception. I have no idea. I was so happy my app was showing signs of Life. It could have something to do with this : (W/ResourceType(22647): No package identifier when getting name for resource number 0x0000000f) Android 4.2.2 Jelly Bean. Latest Laz$Android Latest LAMW android-ndk-r20b Any Help would be useful E/AndroidRuntime(22444): FATAL EXCEPTION: main E/AndroidRuntime(22444): java.lang.ClassCastException: android.widget.RelativeLayout$LayoutParams cannot be cast to com.android.internal.view.menu.ActionMenuView$LayoutParams E/AndroidRuntime(22444):    at com.android.internal.view.menu.ActionMe nuView.onMeasure(ActionMenuView.java:138) E/AndroidRuntime(22444):    at android.view.View.measure(View.java:15635) E/AndroidRuntime(22444):    at com.android.internal.widget.AbsActionBa rView.measureChildView(AbsActionBarView.java:216) E/AndroidRuntime(22444):    at com.android.internal.widget.ActionBarVi ew.onMeasure(ActionBarView.java:979) E/AndroidRuntime(22444):    at android.view.View.measure(View.java:15635) E/AndroidRuntime(22444):    at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4919) E/AndroidRuntime(22444):    at android.widget.FrameLayout.onMeasure(FrameLayout.java:310) E/AndroidRuntime(22444):    at com.android.internal.widget.ActionBarCo ntainer.onMeasure(ActionBarContainer.java:260) E/AndroidRuntime(22444):    at android.view.View.measure(View.java:15635) E/AndroidRuntime(22444):    at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4919) E/AndroidRuntime(22444):    at android.widget.LinearLayout.measureChil dBeforeLayout(LinearLayout.java:1411) E/AndroidRuntime(22444):    at android.widget.LinearLayout.measureVertical(LinearLayout.java:698) E/AndroidRuntime(22444):    at android.widget.LinearLayout.onMeasure(LinearLayout.java:588) E/AndroidRuntime(22444):    at android.view.View.measure(View.java:15635) E/AndroidRuntime(22444):    at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4919) E/AndroidRuntime(22444):    at android.widget.FrameLayout.onMeasure(FrameLayout.java:310) E/AndroidRuntime(22444):    at com.android.internal.policy.impl.PhoneW indow$DecorView.onMeasure(PhoneWindow.java:2200) E/AndroidRuntime(22444):    at android.view.View.measure(View.java:15635) E/AndroidRuntime(22444):    at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:2165) E/AndroidRuntime(22444):    at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1249) E/AndroidRuntime(22444):    at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1443) E/AndroidRuntime(22444):    at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1139) E/AndroidRuntime(22444):    at android.view.ViewRootImpl$TraversalRunn able.run(ViewRootImpl.java:4872) E/AndroidRuntime(22444):    at android.view.Choreographer$CallbackRecord.run(Choreographer.java:776) E/AndroidRuntime(22444):    at android.view.Choreographer.doCallbacks(Choreographer.java:579) E/AndroidRuntime(22444):    at android.view.Choreographer.doFrame(Choreographer.java:548) E/AndroidRuntime(22444):    at android.view.Choreographer$FrameDisplay EventReceiver.run(Choreographer.java:762) E/AndroidRuntime(22444):    at android.os.Handler.handleCallback(Handler.java:800) E/AndroidRuntime(22444):    at android.os.Handler.dispatchMessage(Handler.java:100) E/AndroidRuntime(22444):    at android.os.Looper.loop(Looper.java:194) E/AndroidRuntime(22444):    at android.app.ActivityThread.main(ActivityThread.java:5371) E/AndroidRuntime(22444):    at java.lang.reflect.Method.invokeNative(Native Method) E/AndroidRuntime(22444):    at java.lang.reflect.Method.invoke(Method.java:525) E/AndroidRuntime(22444):    at com.android.internal.os.ZygoteInit$Meth odAndArgsCaller.run(ZygoteInit.java:833) E/AndroidRuntime(22444):    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:600) E/AndroidRuntime(22444):    at dalvik.system.NativeStart.main(Native Method) ---------------------------------------------------------------------- Mongkey · 2021-07-01 08:27 For android <7 ram <=1GB , better using old LAMW + ANT, very fast, but with old school UI.