iOS 耳机 BLE 命令能实现接听/挂断系统电话吗? - V2EX
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kisscat2013
V2EX    iDev

iOS 耳机 BLE 命令能实现接听/挂断系统电话吗?

  •  
  •   kisscat2013 1 day ago 705 views
    现在是有这么一个场景,我们自己的蓝牙耳机通过双击/三击是可以接听和挂断系统电话的,然后我们 leader 希望能在 App 中通过指令来实现接听/挂断。
    耳机使用的是纯自定义 BLE 协议 ,没有实现标准 HFP 协议连接的蓝牙耳机,非来电情况下,BLE 指令执行的都没问题,来电时音频路由被系统自动切换了,不是 A2DP ,这就导致我们的 BLE 指令执行了但是没效果,无法实现接听和拒接。

    耳机厂商回复的是,耳机通过 sco 传输音频,来电场景和正常场景有冲突,所以不做通话按键指令。安卓表示非 sco 模式下可以挂断接听,现在问题压力给到我们 iOS 了。
    怎么办呀?
    v1
        1
    v1  
       23h 17m ago
    没有办法,ios 根本没有办法,只能强制走 HFP 协议才行

    你就是使用 CallKit 来接管系统通话界面,然后通过 BLE 指令触发 CallKit 的接听/挂断动作,也只能控制 App 发起的 VoIP 通话,无法控制系统自带的电话来电。
    v1
        2
    v1  
       23h 16m ago
    就直白告诉 leader ,iOS 系统出于安全和隐私考虑,禁止 App 通过自定义 BLE 指令接听/挂断系统电话。
    这是系统架构层面的限制,不是实现问题。
    如果一定要实现,需要耳机侧支持标准 HFP 协议。
    kisscat2013
        3
    kisscat2013  
    OP
       23h 1m ago
    @v1 是的,现在问题抛给耳机厂商了,看他们那边怎么回吧
    kisscat2013
        4
    kisscat2013  
    OP
       5h 20m ago
    破案了,耳机的问题,之前版本是可以的,我的耳机升级了,然后就不支持了
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