Problems with ConstraintLayout - ImageView 16:9 inappropriate top margin

Question

I want to build the following layout using ConstraintLayout:

I use this source for layout:

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Answer 1

The gist of it is to use a packed chain, with a vertical bias of 0, so that the content of the chain will be at the top. Also, I'm not sure why you are using a FrameLayout -- you probably don't need to.

With 1.1.0-beta2: