Knowledge about horizontal and vertical screen switching:

Source: Internet
Author: User

1. When switching between portrait and landscape screens (landscape is landscape and portrait is portrait) in Android:
A. onconfigurationchanged () is not called. The activity execution process is onpause ()-> onstop ()-> ondestory ()-> oncreate ()-> onstart () -> onresume (), that is, the activity is restarted;
B. onconfigurationchanged () is called, and the execution process of the activity is onconfigurationchanged (), that is, the activity is not restarted.
2. In Android, set the screen orientation of the activity to Android: screenorientation (landscape is horizontal and portrait is vertical ). In addition, this setting prevents switching between the screen and the screen.
3. In the simulatorProgramYou can use Ctrl + F11 to switch the screen.

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