android屏幕旋转切换设置

<activity
android:name=".VideoCourseDetailActivity"
android:configChanges="keyboardHidden|orientation|screenSize" >

 setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);

setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);

@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
String message=newConfig.orientation==Configuration.ORIENTATION_LANDSCAPE ? "屏幕设置为：横屏" : "屏幕设置为：竖屏";
System.out.println(message);
}