Java.Lang.IllegalStateException while using FormsAppCompatActivity in Xamarin Android - xamarin

Question

The Xamarin android code is giving runtime exception when used with following code:
public class MyActivity: global::Xamarin.Forms.Platform.Android.FormsAppCompatActivity
{
protected override void OnCreate(Bundle bundle)
{
ToolbarResource = Resource.Layout.toolbar;
TabLayoutResource = Resource.Layout.tabs;
base.OnCreate(bundle);
global::Xamarin.Forms.Forms.Init(this, bundle);
LoadApplication(new App());
}
}
When running the app, its builds successfully. But in Runtime iot gets into following error StackTrace:
Java.Lang.IllegalStateException: Exception of type 'Java.Lang.IllegalStateException' was thrown.
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () <IL 0x00011, 0x00078>
at Android.Runtime.JNIEnv.CallIntMethod (intptr,intptr) <IL 0x00069, 0x00297>
at Android.Support.V4.App.FragmentTransactionInvoker.Commit () <IL 0x00038, 0x00143>
at Xamarin.Forms.Platform.Android.AppCompat.NavigationPageRenderer.SwitchContentAsync (Xamarin.Forms.Page,bool,bool,bool) <IL 0x00140, 0x00953>
at Xamarin.Forms.Platform.Android.AppCompat.NavigationPageRenderer.OnPushAsync (Xamarin.Forms.Page,bool) <IL 0x00005, 0x00063>
at Xamarin.Forms.Platform.Android.AppCompat.NavigationPageRenderer.PushViewAsync (Xamarin.Forms.Page,bool) <IL 0x00003, 0x00053>
at Xamarin.Forms.Platform.Android.AppCompat.NavigationPageRenderer.<OnElementChanged>b__13_0 (Xamarin.Forms.Page) <IL 0x00003, 0x0004f>
at Xamarin.Forms.EnumerableExtensions.ForEach<Xamarin.Forms.Page> (System.Collections.Generic.IEnumerable`1<Xamarin.Forms.Page>,System.Action`1<Xamarin.Forms.Page>) <0x00157>
An unhandled exception occured.
at Xamarin.Forms.Platform.Android.AppCompat.NavigationPageRenderer.OnElementChanged (Xamarin.Forms.Platform.Android.ElementChangedEventArgs`1<Xamarin.Forms.NavigationPage>) <IL 0x001bb, 0x00e0f>
at Xamarin.Forms.Platform.Android.VisualElementRenderer`1<Xamarin.Forms.NavigationPage>.SetElement (Xamarin.Forms.NavigationPage) <0x00827>
at Xamarin.Forms.Platform.Android.VisualElementRenderer`1<Xamarin.Forms.NavigationPage>.Xamarin.Forms.Platform.Android.IVisualElementRenderer.SetElement (Xamarin.Forms.VisualElement) <0x0012b>
at Xamarin.Forms.Platform.Android.Platform.CreateRenderer (Xamarin.Forms.VisualElement) <IL 0x00021, 0x0014f>
at Xamarin.Forms.Platform.Android.MasterDetailContainer.set_ChildView (Xamarin.Forms.VisualElement) <IL 0x00049, 0x001df>
at Xamarin.Forms.Platform.Android.AppCompat.MasterDetailPageRenderer.UpdateDetail () <IL 0x0001d, 0x000e3>
at Xamarin.Forms.Platform.Android.AppCompat.MasterDetailPageRenderer.HandlePropertyChanged (object,System.ComponentModel.PropertyChangedEventArgs) <IL 0x0002c, 0x00157>
at (wrapper delegate-invoke) <Module>.invoke_void_object_PropertyChangedEventArgs (object,System.ComponentModel.PropertyChangedEventArgs) <IL 0x0002f, 0x0008b>
at Xamarin.Forms.BindableObject.OnPropertyChanged (string) <IL 0x00012, 0x000d7>
at Xamarin.Forms.Element.OnPropertyChanged (string) <IL 0x00002, 0x0005f>
at Xamarin.Forms.MasterDetailPage.set_Detail (Xamarin.Forms.Page) <IL 0x0007b, 0x002eb>
at eWorker.App.SetRootPage (Xamarin.Forms.Page) [0x00025] in C:\SIProducts\360\Dev\Frontend\BugFixes\Source\BIF\Source\eWorker\XamarinApp\Shared\eWorkerShared\App.cs:97
at eWorker.Views.HomePage.OnAppearing () [0x0000e] in C:\SIProducts\360\Dev\Frontend\BugFixes\Source\BIF\Source\eWorker\XamarinApp\Shared\eWorkerShared\Views\HomePage.cs:39
at Xamarin.Forms.Page.SendAppearing () <IL 0x00025, 0x0011f>
at Xamarin.Forms.Platform.Android.AppCompat.FragmentContainer.set_UserVisibleHint (bool) <IL 0x0004b, 0x002a3>
at Xamarin.Forms.Platform.Android.AppCompat.NavigationPageRenderer/<>c__DisplayClass52_0.<SwitchContentAsync>b__1 () <IL 0x00014, 0x0008f>
at Xamarin.Forms.Forms/AndroidPlatformServices/<>c__DisplayClass17_0.<StartTimer>b__1 () <IL 0x00006, 0x00053>
at Java.Lang.Thread/RunnableImplementor.Run () <IL 0x00011, 0x00097>
at Java.Lang.IRunnableInvoker.n_Run (intptr,intptr) <IL 0x0000a, 0x000a3>
at (wrapper dynamic-method) object.ba4e6bb4-0814-4b71-9867-78bee59c6f1f (intptr,intptr) <IL 0x00011, 0x0003b>
--- End of managed exception stack trace ---
java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState
at android.support.v4.app.FragmentManagerImpl.checkStateLoss(FragmentManager.java:1448)
at android.support.v4.app.FragmentManagerImpl.enqueueAction(FragmentManager.java:1466)
at android.support.v4.app.BackStackRecord.commitInternal(BackStackRecord.java:634)
at android.support.v4.app.BackStackRecord.commit(BackStackRecord.java:613)
at mono.java.lang.RunnableImplementor.n_run(Native Method)
at mono.java.lang.RunnableImplementor.run(RunnableImplementor.java:29)
at android.os.Handler.handleCallback(Handler.java:733)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:146)
at android.app.ActivityThread.main(ActivityThread.java:5603)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1283)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1099)
at dalvik.system.NativeStart.main(Native Method)
03): Shutting down VM
hreadid=1: thread exiting with uncaught exception (group=0x41b6bc08)
This error occurs at points where Navigation.PushAsync or Navigation.PushModalAsync is called.

Answer 1

After some R&D I found that the issue is while it saves the previous stage of App. It worked when the old app is manually removed and then the App is installed while debugging.
But this can not be a proper solution, so any suggestions/help is welcomed.