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Flutter app stuck on the Observatory Listening on ********************* , on VIVO Devices

When debugging Flutter app on my vivo mobile phone (android 13), the app is stuck on the startup page and Android Studio is stuck on "Observatory Listening on *********************". Meanwhile, the Flutter app does not support hot reloading.

The problem is caused by VIVO hiding some private information log with **** wrap.

To solve this problem, you need to enable one-click authorization in bbklog. Enabling one-click authorization requires the official assistance of VIVO. You can contact the local VIVO after-sales service, or try the following steps.

Add VIVO technical support as contact on QQ.

VIVO technical support QQ ID: 3002261823

You can note the following content in the QQ verification information:

VIVO mobile phone, bbklog Enabling one-click authorization (VIVO手机 日志信息采集 开启一键授权)

If you have never used QQ, you can refer to this article: How to use Chinese qq – China Help.

VIVO technical support will ask you some vivo phone information (OS version, bbklog version, imei1 code). The following is the original text of the first dialogue:

日志打印授权

  1. 确认一下手机是国内系统还是国外系统（OriginOS是国内系统）
  2. 首先需要确认调试机器内bbklog版本高于7.2.6.2 [ 通过*#*#112#*#*进入bbklog，右上角设置里可以看到，版本偏低请提出来，可以提供可授权的版本 ]
  3. 然后提供文本形式的调试机器imei1码给我，我这边会找人帮忙给开发者配置授权（拨号盘输入*#06# 可以获取）
  4. 配置完成后，需要手动进入bbklog右上角更多界面，点击一键授权，授权后再尝试一下看看呢







The following is the English translation of the first dialogue:

  1. Confirm whether the mobile phone is a Chinese version system or a global version system (OriginOS is Chinese version system, Funtouch OS is global version system).
  2. First, you need to confirm that the version of bbklog in vivo machine is higher than 7.2.6.2. You can enter bbklog via inputting *#*#112#*#* on the dial pad. You can see the bbklog version in the settings in the upper right corner. If the bbklog version is lower than 7.2.6.2, please bring it up, and I will provide another version of bbklog which can be authorized.
  3. Then provide me with the imei1 code of the vivo machine in text form, and I will ask a colleague to help configure the authorization for you. You can get imei1 by entering *#06# on the dial pad.
  4. After the configuration is complete, you need to manually enter bbklog and click “the more” option in the upper right corner of bbklog, then click “one-click authorization” option.

The following GIF shows how to enter the bbklog of vivo mobile phone(OriginOS):