Find centralized, trusted content and collaborate around the technologies you use most.
Teams
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
我正在开发一个 VoIP 应用程序。我想像本地调用一样使用接近传感器。来电时启用接近传感器。当呼叫在前台时它工作正常;但是当我把它放到后台时,接近传感器似乎无法工作。我能做些什么来改善这一点吗?