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Qt 是否公开了一种方法来监视 DBus 接口，类似于g_bus_watch_name？我想知道应用程序何时启动或关闭，观察它的 DBus 接口。

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There is the QDBusServiceWatcher class that can monitor the bus for service changes. From the docs-

The QDBusServiceWatcher class allows the user to watch for a bus service change.

A QDBusServiceWatcher object can be used to notify the application about an ownership change of a service name on the bus. It has three watch modes:

  • Watching for service registration only.
  • Watching for service unregistration only.
  • Watching for any kind of service ownership change (the default mode).
于 2014-05-30T13:55:46.247 回答