Activity an application components of Android.
Activity is an application components of android programming .It provides the user interface.
Some main points:
Some main points:
- Activity is an application components of android programming .
- Among all those activity ,one activity must be the main activity which is presented to the user when application is installed for the first time. although every activity can interact with other activity.
- System uses stack to manage the activity .each time a new activity starts prevoius one is stopped and preserve in the stack.
- Activity life cycle call back method is used to notify the change of state to activity when it is stopped.this helps the activity to perform specific work which is appropriate to that state change.
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