Android Tutorial – Android Activity Lifecycle




Android Activity Lifecycle is controlled by 7 techniques for android.app.Activity class. The android Activity is the subclass of ContextThemeWrapper class.

A movement is the single screen in android. It resemble window or edge of Java. By the assistance of action, you can put all your UI parts or gadgets in a solitary screen. The 7 lifecycle technique for Activity depicts how action will act at various states.

 

You should always call up to your superclass when implementing these methods.

 Activity Lifecycle

■ Activities in the foreground are running (onResume)
■ If something transparent obscurs the activity it is paused (onPause)
■ If you can’t see the activity it is stopped. (onStop)
■ If it is garbage collected (onDestroy)
Android Activity
Life Cycle
  •  Lifetime:
    • onCreate() to
    •  onDestroy()
  •  Visible when:
    •  onStart() to
    •  onStop()
  •  Foreground
    •  onResume to
    •  onPause()

 Android Activity Lifecycle Example

In this example, we are displaying the content on the logcat.

File: MainActivity.java

 


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