in the first activity i have a mapview and when i start a second activity, then i go back to first activity and click on the mapview. The application show a exception.
Object name: ‘Android.Views.GestureDetector’.
at Java.Interop.JniPeerMembers.AssertSelf (Java.Interop.IJavaPeerable self) [0x00029] in <7802aa64ad574c33adca332a3fa9706a>:0
at Java.Interop.JniPeerMembers+JniInstanceMethods.InvokeVirtualBooleanMethod (System.String encodedMember, Java.Interop.IJavaPeerable self, Java.Interop.JniArgumentValue* parameters) [0x00000] in <7802aa64ad574c33adca332a3fa9706a>:0
at Android.Views.GestureDetector.OnTouchEvent (Android.Views.MotionEvent ev) [0x00031] in <263adecfa58f4c449f1ff56156d886fd>:0
at zBQ=.mBU=.uRU= (System.Object sender, Android.Views.View+TouchEventArgs e) [0x0000c] in <43721f23d2294160a7f53a2d2413dd61>:0
at Android.Views.View+IOnTouchListenerImplementor.OnTouch (Android.Views.View v, Android.Views.MotionEvent e) [0x00014] in <263adecfa58f4c449f1ff56156d886fd>:0
at Android.Views.View+IOnTouchListenerInvoker.n_OnTouch_Landroid_view_View_Landroid_view_MotionEvent_ (System.IntPtr jnienv, System.IntPtr native__this, System.IntPtr native_v, System.IntPtr native_e) [0x00017] in <263adecfa58f4c449f1ff56156d886fd>:0
at (wrapper dynamic-method) System.Object.67124f87-ecc1-4e0b-8dc2-8169748b0248(intptr,intptr,intptr,intptr)
at mono.android.view.View_OnTouchListenerImplementor.n_onTouch(Native Method)
at mono.android.view.View_OnTouchListenerImplementor.onTouch(View_OnTouchListenerImplementor.java:30)
at android.view.View.dispatchTouchEvent(View.java:12536)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3153)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2829)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3159)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2786)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3159)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2786)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3159)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2786)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3159)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2786)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3159)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2786)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3159)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2786)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3159)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2786)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3159)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2786)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3159)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2786)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3159)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2786)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3159)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2786)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3159)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2786)
at com.android.internal.policy.DecorView.superDispatchTouchEvent(DecorView.java:601)
at com.android.internal.policy.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1871)
at android.app.Activity.dispatchTouchEvent(Activity.java:3384)
at android.support.v7.view.WindowCallbackWrapper.dispatchTouchEvent(WindowCallbackWrapper.java:68)
at android.support.v7.view.WindowCallbackWrapper.dispatchTouchEvent(WindowCallbackWrapper.java:68)
at com.android.internal.policy.DecorView.dispatchTouchEvent(DecorView.java:563)
at android.view.View.dispatchPointerEvent(View.java:12788)
at android.view.ViewRootImpl$ViewPostImeInputStage.processPointerEvent(ViewRootImpl.java:5626)
at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:5421)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4914)
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:4967)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:4933)
at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:5070)
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:4941)
at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:5127)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4914)
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:4967)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:4933)
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:4941)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4914)
at android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:7682)
at android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:7622)
at android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:7583)
at android.view.ViewRootImpl$WindowInputEventReceiver.onInputEvent(ViewRootImpl.java:7793)
at android.view.InputEventReceiver.dispatchInputEvent(InputEventReceiver.java:197)
at android.os.MessageQueue.nativePollOnce(Native Method)
at android.os.MessageQueue.next(MessageQueue.java:325)
at android.os.Looper.loop(Looper.java:142)
at android.app.ActivityThread.main(ActivityThread.java:6949)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:327)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1374)
