4月17日的Device Detector应用程序分析

Device Finder can find bluetooth devices and detect nearby metal. Has the following functions: 1) Find the Bluetooth device: You can search for the location of your Bluetooth device, and you can know the approximate location of the device by calculating the distance according to the Bluetooth semaphore; 2) Metal detector: you can find keys, find small screws dropped on the carpet, and even find the wires on the wall and other scenes! NOTE: If your phone compass doesn't have a magnetometer inside it won't work.