<Android :switch between Layouts dynamically every...

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Android :switch between Layouts dynamically every 10 seconds
android beginner here. any help is much appreciated .
I am working on an app that can do a simple experiment.
the app displays images and asks users to rate it from 1 to 10.
I have 1 activity and two layouts experiment begins.
I have two layouts merged under FrameLayout.
what I want to achieve is :
'====>start experiment >show first image for 10 seconds >change layout to ratings layout>after user selects rating>loopback with different image>finish() when imagelist is empty. '
here is what I...