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.
我的应用程序中有一个功能需要检测两个设备何时接触,我想知道确定何时发生这种情况的最佳方法是什么?即使我的应用程序在后台运行,有没有办法检测到这样的事件?