ImageView adjustViewBounds not working

Question

I have an ImageView with android:layout_width=100dp, android:layout_height=wrap_content and android:adjustViewBounds=true

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Answer 1

The issue is that adjustViewBounds will not increase the size of the ImageView beyond the natural dimensions of the drawable. It will only shrink the view to maintain aspect ratio; if you provide a 500x500 image instead of a 50x50 image, this should work.

If you're interested in the spot where this behavior is implemented, see ImageView.java's onMeasure implementation.

One workaround is to implement a custom ImageView that changes this behavior in onMeasure.