Android activity‘s life cycle

Here are some functions will be call in a activity's life cycle:

1.oncreate():

it will be called when a activity be created.

2.onstart()

when activity be visibled.

3.onresume()

when the activity get the focus.(that's mean it's view can response u)

4.onpause

when the activity loss the focus

5.onstop

when the activity can't be visibled

6.ondestrory

when the activity be destroeid