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Ocsap
V2EX  ›  iDev

ios 蓝牙状态判断

  •  
  •   Ocsap · 2019-11-29 16:15:46 +08:00 · 9002 次点击
    这是一个创建于 1800 天前的主题,其中的信息可能已经有所发展或是发生改变。

    iOS 蓝牙有三种状态: 一种是蓝色,可连接状态 一种是灰色,不连接状态 一种是斜线,关闭状态

    问题是,后两者都是 CBManagerStatePoweredOff

    有什么方法可以判断区分后两个状态吗?

    MacDown logo MacDown logo

    3 条回复    2020-12-04 13:27:39 +08:00
    fruitscandy
        1
    fruitscandy  
       2019-11-29 20:49:56 +08:00
    白底那个是从控制中心关闭的,非彻底
    灰色那个是从设置里面关闭的,彻底
    Ocsap
        2
    Ocsap  
    OP
       2019-12-03 10:31:05 +08:00
    @fruitscandy 是的,,,怎么用代码判断
    QiuZH
        3
    QiuZH  
       2020-12-04 13:27:39 +08:00
    CBManagerState 里面有应该就有,没有就没办法了吧
    * @constant CBManagerStateUnknown State unknown, update imminent.
    * @constant CBManagerStateResetting The connection with the system service was momentarily lost, update imminent.
    * @constant CBManagerStateUnsupported The platform doesn't support the Bluetooth Low Energy Central/Client role.
    * @constant CBManagerStateUnauthorized The application is not authorized to use the Bluetooth Low Energy role.
    * @constant CBManagerStatePoweredOff Bluetooth is currently powered off.
    * @constant CBManagerStatePoweredOn Bluetooth is currently powered on and available to use.
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