I've got an application , I want to lock the screen when I pressed a button. So I want to know how can I set the screen rotation to 270. The application use android 1.6(API 4).So I can't use
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE);
When the screen is landscape and orientation!=Surface.ROTATION_90.
It seems you can't do this on API 4. You can only use SCREEN_ORIENTATION_REVERSE_LANDSCAPE from API 9.