To navigate transitions between stages of the activity lifecycle the activity class provides a core set of six callbacks. Each of these methods has its importance.
Let s dive into the life cycle.
Lifecycle of android. Let s see the 7 lifecycle methods of android activity. Called when activity is not visible to the user. In general activity lifecycle has seven callback methods.
Life cycle methods and callbacks. Called when activity is no longer visible to the user. Oncreate onstart onresume onpause onstop onrestart ondestroy now let s get into the details of android activity life cycle methods and callbacks.
Every activity has it s own life cycle similarly views also have a life cycle. Called when activity is becoming visible to the user. Called when activity is first created.
Called when activity will start interacting with the user. The system invokes each of these callbacks as an activity enters a new state. A view which was rendered on the screen must undergo these lifecycle methods to get drawn on the screen correctly.
Oncreate onstart onresume onpause onstop and ondestroy. Take a look at the below figure to understand the life cycle. Generally the activities in our android application will go through a different stages in their life cycle.
In android activity class have 7 callback methods like oncreate onstart onpause onrestart onresume onstop and ondestroy to describe how the activity will behave at different stages.