Slack 未命中托盘指示器

Question

我全新安装了 Ubuntu 18.04，我安装了 Slack，但它在托盘指示器中没有显示任何图标：

? snap info slack       
name:      slack
summary:   Team communication for the 21st century.
publisher: slack
contact:   https://get.slack.help/hc/en-us
license:   unknown
description: |
  Caution: Slack for Linux is in beta. We’re still busy adding features and
  ironing out potential issues.

  Slack brings team communication and collaboration into one place so you can
  get more work done, whether you belong to a large enterprise or a small
  business. Check off your to-do list and move your projects forward by bringing
  the right people, conversations, tools, and information you need together.
  Slack is available on any device, so you can find and access your team and
  your work, whether you’re at your desk or on the go.

  Scientifically proven (or at least rumored) to make your working life simpler,
  more pleasant, and more productive. We hope you’ll give Slack a try.

  Stop by and learn more at: https://slack.com/
commands:
  - slack
snap-id:   JUJH91Ved74jd4ZgJCpzMBtYbPOzTlsD
tracking:  stable
refreshed: 2018-03-31T00:45:51+02:00
installed:   3.1.1 (6) 98MB classic
channels:              
  stable:    3.1.1 (6) 98MB classic
  candidate: ?              
  beta:      ?              
  edge:      3.1.1 (6) 98MB classic

Answer 1

我能够通过安装 appindicator extension 来解决这个问题

https://extensions.gnome.org/extension/615/appindicator-support/

Answer 2

我在 Ubuntu 18.04 中的所有托盘图标上都遇到了同样的问题。

对我有用的是使用gnome-tweak-tool禁用Ubuntu appindicators扩展 。然后我在 shell 中运行，重新启用 Ubuntu 应用程序指示器并重新启动我的电脑。sudo apt purge indicator-common

所有托盘图标都回来了！