xamarin.android - How to install Facebook Android sdk in Xamarin Visual Studio? -


i trying add facebook button in xamarin, facebook button not visible text appearing

here login button code

 <com.facebook.widget.loginbutton     android:layout_width="wrap_content"     android:layout_height="wrap_content"     android:layout_margintop="5dp"     android:layout_gravity="center_horizontal" />

it gives error linearlayout has invalid child element com.facebook.login.widget.loginbutton

how add sdk , how display facebook button in xamarin android. please help.


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