public static boolean isSystemApplication(Context context) {
		PackageManager packageManager=context.getPackageManager();
		String packageName=context.getPackageName();
		if(packageManager == null || zStringUtils.isEmpty(packageName)) {
			return false;
		}else {
			try {
				ApplicationInfo app = packageManager.getApplicationInfo(packageName, 0);
				return (app != null && (app.flags & ApplicationInfo.FLAG_SYSTEM) > 0);
			}catch(Exception e) {
				e.printStackTrace();
			}
		}
		return false;
	}