Application components are the essential building blocks of an
Android application. These components are loosely coupled by the
application manifest file AndroidManifest.xml that describes each component of the application and how they interact.
There are following four main components that can be used within an Android application −
| Sr.No | Components & Description |
|---|---|
| 1 |
Activities They dictate the UI and handle the user interaction to the smart phone screen. |
| 2 | Services They handle background processing associated with an application. |
| 3 |
Broadcast Receivers They handle communication between Android OS and applications. |
| 4 |
Content Providers They handle data and database management issues. |
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