xamarin.android - xamarin android Google maps exception when closing page with map -

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i have exception in xamarin forms – in android – when closing custom map.

i rendering in android , once every 5~ times exception when closing page google maps

the exception follows:

unhandled exception: system.notsupportedexception: unable activate instance of type xamarin.forms.maps.android.maprenderer native handle b250001d ---> system.missingmethodexception: no constructor found xamarin.forms.maps.android.maprenderer::.ctor(system.intptr, android.runtime.jnihandleownership) ---> java.interop.javalocationexception: exception of type 'java.interop.javalocationexception' thrown

i saw post in stack overflow:

error when navigating away page map on android, while on-screen keyboard visible

and tried create constructor this:

public custommaprenderer(intptr javareference, jnihandleownership jnihandleownership) : base(javareference, jnihandleownership) { }

but compilation error:

'maprenderer' not contain constructor takes 2 arguments

what error ??


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