Android(Java): 获得设备唯一ID

/**
  * 获得设备唯一ID
  * @return
  */
 public static String getDeviceUUID(Context context){
  
  final String androidId = Secure.getString(context.getContentResolver(),Secure.ANDROID_ID);
  String id = "";
  if (!"9774d56d682e549c".equals(androidId)) {
   id = androidId;
  } else {
   id = ((TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE)).getDeviceId();
  }
  return id;
 }