Xamarin FindViewById returns null

Question

Hi guys I need a little advice. I trying to made an android app using Xamarin so C#. I made two layouts and in each one of them I made tow buttons to navigate between them.I

Answer 1

You're getting a NullReferenceException because this code:

FindViewById(Resource.Id.BackButton)

returns null. This may be caused by either:

• 1 - You didn't properly annotate the Button with an android:id attribute, like so: