uni-app蓝牙搜索设备的问题

openBluetoothAdapter，startBluetoothDevicesDiscovery，onBluetoothDeviceFound，createBLEConnection和监听onBluetoothAdapterStateChange整个流程在在uni-app中onBluetoothAdapterStateChange是完全监听不到的，有时onBluetoothDeviceFound是没有回调结果的，搜索设备为空值。安卓手机在真机调试遇到的问题。

<script>
export default {
data() {
return {
bds:[]
}
},
created() {},
methods: {
openBluebooth() {
var self = this;
uni.openBluetoothAdapter({
success: function(res) {
console.log('--开启蓝牙适配' + JSON.stringify(res))
// 搜索设备
self.startSearchBLE()
// 监听函数启用

                    //  监听本机蓝牙状态改变  
                    uni.onBluetoothAdapterStateChange(function(e) {  
                        console.log('onBluetoothAdapterStateChange: ' + JSON.stringify(e));  
                    });  
                    // 监听搜索到新设备  
                    uni.onBluetoothDeviceFound(function(e) {  
                        var devices = e.devices;  
                        console.log('onBluetoothDeviceFound: ' + JSON.stringify(e));  
                    });  
                    // 监听低功耗蓝牙设备连接状态变化  
                    uni.onBLEConnectionStateChange(function(e) {  
                        console.log('onBLEConnectionStateChange: ' + JSON.stringify(e));  
                        if (e.connected) { //   处于链接状态, 做搜索服务 -> 状态 -> 连贯开锁  
                            self.deviceId = e.deviceId  
                            setTimeout(() => {  
                                self.getServes()  
                            }, 30)  
                        } else { // 断开 -> 重连  

                        }  
                    });  
                    // 监听低功耗蓝牙设备的特征值变化  
                    uni.onBLECharacteristicValueChange(function(e) {  
                        console.log('onBLECharacteristicValueChange: ' + JSON.stringify(e));  
                    });  

                },  
                fail: function(err) {  
                    console.log('openBluebooth fail')  
                },  
            })  
        },  
        //  搜索设备  
        startSearchBLE() {  
            var self = this;  
            uni.startBluetoothDevicesDiscovery({  
                services: self.services,  
                success: function(e) {  
                    console.log('搜索附近设备成功' + JSON.stringify(e));  
                    console.log(e);  
                    setTimeout(() => {  
                        self.searchDevices();  
                    }, 300)  
                },  
                fail: function(e) {  
                    console.log('搜索附近设备失败' + JSON.stringify(e))  
                }  
            })  
        },  
        //  搜索设备  
        searchDevices() {  
            var self = this;  

// // ArrayBuffer转16进度字符串示例
function ab2hex(buffer) {
const hexArr = Array.prototype.map.call(
new Uint8Array(buffer),
function (bit) {
return ('00' + bit.toString(16)).slice(-2)
}
)
return hexArr.join('')
}
uni.getBluetoothDevices({
success(res) {
console.log('获取搜索的设备' + JSON.stringify(res))
var devices = res.devices;
console.log(res)
if (res.devices[0]) {
console.log(ab2hex(res.devices[0].advertisData))
}
}
})
},
}
}

</script>

<style>
.content {
text-align: center;
height: 400upx;
}

.logo {  
    height: 200upx;  
    width: 200upx;  
    margin-top: 200upx;  
}  

.title {  
    font-size: 36upx;  
    color: #8f8f94;  
}  

</style>