Layout Design On Android Studio : View-Group And UI Ethio Amharic Tutorial 2020

Android Studio XML layout Design View-group Widget
Each layout file must contain exactly one root element, which must be a View or ViewGroup object. Once you've defined the root element, you can add additional layout objects or widgets as child elements to gradually build a View hierarchy that defines your layout.

The ViewGroup is a subclass of View and provides invisible container that hold other Views or other ViewGroups and define their layout properties.

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