//解屏
protected void unlockScreen() {
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR);
}
//锁屏
protected void lockScreen() {
if (getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE) {
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
} else {
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
}
}