Activity in Android

BySharmilee

Java TrainerMazenet Solution

Objectives

• Introduction to Activity• Activity Lifecycle• Lifecycle Methods

Activity

• An activity represents a single screen with an user interface components

Example for Activity : Facebook App

Activity 1: Login

Activity 2: NewsFeed

Activity 3: Profile

Activity 4: Notifications

Activity Lifecycle

States of an activity

• An activity can be in different states depending how it is interacting with the user.

• They areRunningPausedStoppedKilled

Lifecycle methods

• onCreate()• onStart()• onResume()• onPause()• onStop()• onDestroy()• onRestart()

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