我正在寻找方法来获取 wifi 的原始信号,iPhone X 手机上的 dBm,但只能找到如何获取numberOfActiveBars
来自:答案
尝试@Mosbash 的答案,遇到了崩溃。
Thread 1: EXC_BAD_ACCESS (code=1, address=0x18)
代码:
class ViewController: UIViewController {
var hotspot: NEHotspotNetwork!
func viewDidLoad() {
....
hotspot = NEHotspotNetwork()
}
func record() {
hotspot.setConfidence(.high) /// <- Crash
print(hotspot.signalStrength) /// <- Crash if above line is commented out
}
}