现在问生命周期一般不会问7个而是会连着问你两个页面生命周期的变化:
例如ActivityA->跳转到ActivityB的时候两个页面连续的生命周期如下图:
2020-09-07 17:31:28.585 5582-5582/? E/生命周期_MainActivity: onPause
2020-09-07 17:31:28.651 5582-5582/? E/生命周期_SingleInstance: onCreate
2020-09-07 17:31:28.655 5582-5582/? E/生命周期_SingleInstance: onStart
2020-09-07 17:31:28.657 5582-5582/? E/生命周期_SingleInstance: onResume
2020-09-07 17:31:29.158 5582-5582/? E/生命周期_MainActivity: onStop
解说下上面的生命周期变化:
首先ActivityA->onPause->ActivityB:onCreate->onStart->onResume->ActivityA:OnStop
上面步骤是ActivityA跳转到ActivityB的连续生命周期,那么此时按返回键,生命周期应该如何走呢?
实际上很简单如上图:
ActivityB->onPause->ActivityA->onRestart->onStart->onResume-ActivityB->onStop->onDestory