What is View and View-Groups in Android

View and View-Groups in Android

View : 

• Basic interface for each component of an app,
• a view occupies a rectangular area on a screen and is responsible for drawing and event  handling 
• a view is base class of widget which are used to create interactive UI components (buttons, text fields, etc.)

ViewGroup:

• A ViewGroup is a special view that can contain other views (called children.) 
•  The view group is the base class for layouts and views containers

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