Get current version code in android app

CurrentVersionCode.java

static int getCurrentVersionCode(Activity activity) {
        try {
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
                return (int) activity.getPackageManager().getPackageInfo(activity.getPackageName(), 0).getLongVersionCode();
            } else {
                //noinspection deprecation
                return activity.getPackageManager().getPackageInfo(activity.getPackageName(), 0).versionCode;
            }
        } catch (PackageManager.NameNotFoundException e) {
            Log.e(TAG, e.toString());
        }
        return -1;
    }