<activity
    android:name=".YourActivity"
    android:screenOrientation="portrait"
    android:configChanges="orientation|screenSize"/>

@Override
public void onConfigurationChanged(Configuration newConfig) {
    super.onConfigurationChanged(newConfig);
    
    int orientation = newConfig.orientation;
    if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
        // 检测到横屏，强制转回竖屏
        setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
    } else {
        // 允许竖屏和反向竖屏
        setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT);
    }
}

// 在onCreate中设置初始方向
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT);

// 然后监听方向变化
private OrientationEventListener orientationEventListener;

@Override
protected void onResume() {
    super.onResume();
    orientationEventListener = new OrientationEventListener(this) {
        @Override
        public void onOrientationChanged(int orientation) {
            if (orientation >= 45 && orientation < 135) {
                // 左横屏，禁用
                setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
            } else if (orientation >= 135 && orientation < 225) {
                // 反向竖屏，允许
                setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT);
            } else if (orientation >= 225 && orientation < 315) {
                // 右横屏，禁用
                setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
            } else {
                // 正常竖屏
                setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
            }
        }
    };
    
    if (orientationEventListener.canDetectOrientation()) {
        orientationEventListener.enable();
    }
}

@Override
protected void onPause() {
    super.onPause();
    if (orientationEventListener != null) {
        orientationEventListener.disable();
    }
}