![Extracting reused components to a Framework on both Android and iOS.](/content/images/size/w400/2021/05/extracting-reused-components-to-a-framework.png)
Extracting reused components to a Framework on both Android and iOS.
When building the Activity Filter app I was very much aware that the basic functionality (of what is a very simple app) had already been built within the more complex Training Plan.
This was the case in the case of both the Android and iOS versions of the app.
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