Android 螢幕旋轉方向API

 

import android.content.Context;
import android.view.Display;
import android.view.Surface;
import android.view.WindowManager;

public class ScreenOrientationHelper {

    public static boolean isPortrait(Context context) {
        int rotation = getRotation(context);
        return rotation == Surface.ROTATION_0;
    }

    public static boolean isLandscape(Context context) {
        int rotation = getRotation(context);
        return rotation == Surface.ROTATION_90;
    }

    public static boolean isReversePortrait(Context context) {
        int rotation = getRotation(context);
        return rotation == Surface.ROTATION_180;
    }

    public static boolean isReverseLandscape(Context context) {
        int rotation = getRotation(context);
        return rotation == Surface.ROTATION_270;
    }

    private static int getRotation(Context context) {
        WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
        if (windowManager != null) {
            Display display = windowManager.getDefaultDisplay();
            return display.getRotation();
        }
        return Surface.ROTATION_0; // Default to portrait if unable to get rotation
    }
}