Stretch imageview in width, but keep proportions in height?

Question

Android

It is necessary to stretch the imageview in width, and in height while maintaining the proportions of the image. All this is in the container cardview which is stretched to the width of the screen and the height should be the same as that of the imageview, how would wrap_content
How to be?

Answer 1

solution
stackoverflow.com/questions/13992535/android-image...