What are the Android application components ?

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App components are the essential building blocks of an Android app. Each component is an entry point through which the system or a user can enter your app. Some components depend on others.

There are four types of app components:

  • Activities
  • Services
  • Broadcast receivers
  • Content providers



Each type serves a distinct purpose and has a distinct lifecycle that defines how a component is created and destroyed. 

Activities : 

 Activity represents a single screen user is interacting with 



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