1.wx.openBluetoothAdapter 初始化
2. wx.startBluetoothDevicesDiscovery
3.wx.onBluetoothDeviceFound
4.wx.stopBluetoothDevicesDiscovery 搜索到了就停止搜索
5.wx.createBLEConnection
6. wx.getBLEDeviceServices
7. wx.getBLEDeviceCharacteristics
8.wx.notifyBLECharacteristicValueChange
9.wx.onBLECharacteristicValueChange
10.wx.writeBLECharacteristicValue
这是一套下来的流程, 我在苹果上是正常的 安卓上也没报任何错误,返回的结果都是成功,但是wx.onBLECharacteristicValueChange执行不了