danialgoodwin / core-android Goto Github PK

/** Static methods related to device orientation. */
public class OrientationUtils {
    private OrientationUtils() {}

    /** Returns true if device in in landscape mode, otherwise false. */
    public static boolean isLandscape(Context context) {
        return context.getResources().getConfiguration().orientation
                == Configuration.ORIENTATION_LANDSCAPE;
    }

    /** Returns true if device in in portrait mode, otherwise false. */
    public static boolean isPortrait(Context context) {
        return context.getResources().getConfiguration().orientation
                == Configuration.ORIENTATION_PORTRAIT;
    }

    /** Returns the screen orientation, which can be any of the following:
     *    Configuration.ORIENTATION_LANDSCAPE
     *    Configuration.ORIENTATION_PORTRAIT
     *    Configuration.ORIENTATION_SQUARE
     *    Configuration.ORIENTATION_UNDEFINED
     */
    @Deprecated
    public static int getScreenOrientation(Activity activity) {
        Display getOrient = activity.getWindowManager().getDefaultDisplay();
        int orientation = Configuration.ORIENTATION_UNDEFINED;
        if (getOrient.getWidth() == getOrient.getHeight()) {
            orientation = Configuration.ORIENTATION_SQUARE;
        } else {
            if (getOrient.getWidth() < getOrient.getHeight()) {
                orientation = Configuration.ORIENTATION_PORTRAIT;
            } else {
                orientation = Configuration.ORIENTATION_LANDSCAPE;
            }
        }
        return orientation;
    }

    /** Locks the device window in landscape mode. */
    public static void setOrientationLandscape(Activity activity) {
        activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
    }

    /** Locks the device window in portrait mode. */
    public static void setOrientationPortrait(Activity activity) {
        activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
    }

    /** Locks the device window in the current orientation. */
    public static void setCurrentOrientation(Activity activity) {
        int orientation = Configuration.ORIENTATION_UNDEFINED;
        activity.getRequestedOrientation();
        int rotation = ((WindowManager) activity.getSystemService(
                Context.WINDOW_SERVICE)).getDefaultDisplay().getRotation();
        switch (rotation) {
            case Surface.ROTATION_0:
                orientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
                break;
            case Surface.ROTATION_90:
                orientation = ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
                break;
            case Surface.ROTATION_180:
                orientation = ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT;
                break;
            default:
                orientation = ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE;
                break;
        }
        activity.setRequestedOrientation(orientation);
    }

    /** Allows user to freely use portrait or landscape mode. */
    public static void unlockOrientation(Activity activity) {
        activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
    }
}