Android Studio中出现vitamio错误。 不兼容的类型

Question

I'm using android studio and i have a problem with Vitamio VideoView.

Here is my layout file:

Here is an error in my class:

Answer 1

This is normal behaviour. findViewById returns a View which is a superclass of VideoView .

Just add a type cast:

mVideoView = (VideoView)findViewById(R.id.surface_view);