ImageView - have height match width?

Question

I have an imageview. I want its width to be fill_parent. I want its height to be whatever the width ends up being. For example:

Answer 1

I don't think there's any way you can do it in XML layout file, and I don't think android:scaleType attribute will work like you want it to be.
The only way would be to do it programmatically. You can set the width to fill_parent and can either take screen width as the height of the View or can use View.getWidth() method.