Main and launcher in AndroidManifest.xml
AndroidManifest.xml is the root of project directory.
- on selecting the app icon from home screen the system calls for the oncreate() method for the activity in app.
- <intent-filter> is included in the main activity of manifest file which includes the main action and launcher categories
- Application icon will not appear in home screen if main action and launcher activities are not declared for any of the activity of app.
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