啓動Activity:
05-30 10:08:43.459: I/System.out(21351): **** onStart ****
05-30 10:08:43.467: I/System.out(21351): **** onResume ****
此時旋轉屏幕:
05-30 10:09:03.682: I/System.out(21351): **** onPause ****05-30 10:09:03.682: I/System.out(21351): **** onStop ****
05-30 10:09:03.682: I/System.out(21351): **** onDestroy ****
05-30 10:09:04.436: I/System.out(21351): **** onStart ****
05-30 10:09:04.444: I/System.out(21351): **** onResume ****
屏幕旋轉時,activity會被重新創建!