更新记录

1.0.0（2024-07-08）

经典蓝牙扫描连接收发数据

平台兼容性

uni-app

uni-app x

android经典蓝牙

• 扫描连接，收发数据

集成步骤

• 拷贝demo示例的AndroidManifest.xml到项目根目录
• 集成插件步骤请参考https://www.cnblogs.com/wenrisheng/p/18323027

import {
    UTSBluetoothBT
} from "@/uni_modules/wrs-uts-bluetoothbt"

• 注册蓝牙回调

UTSBluetoothBT.registerReceiver((resp) => {
    let action = resp.action
    switch (action) {
        // 蓝牙状态变化
        case "android.bluetooth.adapter.action.STATE_CHANGED":
            let intent = resp.intent
            let extras = intent.extras
            let state = extras["android.bluetooth.adapter.extra.STATE"]
            this.showMsg("蓝牙状态变化 state:" + state)
            break;
            // 开始扫描蓝牙
        case "android.bluetooth.adapter.action.DISCOVERY_STARTED":
            break;
            // 蓝牙搜索结束
        case "android.bluetooth.adapter.action.DISCOVERY_FINISHED":
            break;
            // 搜索到蓝牙设备
        case "android.bluetooth.device.action.FOUND": {
            let device = resp.device
            let name = device.name
            if (name) {

                let length = this.bluetoothArray.length
                let isExist = false
                for (let i = 0; i < length; i++) {
                    let tempName = this.bluetoothArray[i].name
                    if (name == tempName) {
                        isExist = true
                    }
                }
                if (!isExist) {
                    console.log(JSON.stringify(resp))
                    this.bluetoothArray.push(device)
                }
            }
            //this.showMsg(JSON.stringify(device))

        }

        break;
        //在系统弹出配对框之前(确认/输入配对码)
        case "android.bluetooth.device.action.PAIRING_REQUEST":
            break;
            //设备配对状态改变
        case "android.bluetooth.device.action.BOND_STATE_CHANGED": {
            let device = resp.device
            let bondState = device.bondState;
            switch (bondState) {
                case 11: {
                    // 正在配对......
                }
                break;
                case 12: {
                    // 完成配对
                }
                break;
                case 10: {
                    // 取消配对
                }
                break;
                default:
                    break;
            }
        }
        break;
        //最底层连接建立
        case "android.bluetooth.device.action.ACL_CONNECTED":
            break;
            //最底层连接断开
        case "android.bluetooth.device.action.ACL_DISCONNECTED":
            break;
            //BluetoothAdapter连接状态
        case "android.bluetooth.adapter.action.CONNECTION_STATE_CHANGED":
            break;
            // BluetoothHeadset连接状态
        case "android.bluetooth.headset.profile.action.CONNECTION_STATE_CHANGED":
            break;
            //BluetoothA2dp连接状态
        case "android.bluetooth.a2dp.profile.action.CONNECTION_STATE_CHANGED":
            break;
        default:
            break;
    }
})

• 判断蓝牙是否打开

let isEnabled = UTSBluetoothBT.isEnabled()
if (isEnabled) {

}

• 打开蓝牙

UTSBluetoothBT.enable()

• 扫描蓝牙，扫描结果在回调里registerReceiver

UTSBluetoothBT.startDiscovery()

• 停止扫描

UTSBluetoothBT.cancelDiscovery()

• 连接蓝牙

let params = {}
params.address = device.address
params.uuid = "00001101-0000-1000-8000-00805F9B34FB" // 这个uuid一般都是固定
// 明文连接
let callback = (resp) => {
    let opt = resp.opt
    switch (opt) {
        case "onConnected": {
            this.showMsg("连接成功")
        }

        break;
        case "onReceiveData":
            let data = resp.data;
            this.showMsg("收到数据:" + JSON.stringify(resp))
            // let hex = HexUtils.uint8ArrayToHex(data);
            // // let hex = "4765745f4944e58da0e4b889"
            // let decodeStr = ASCIIUtils.decodeUtf8(hex);
            // this.showMsg("收到数据:" + decodeStr)
            break;
        case "onConnectFail":
            this.showMsg("连接失败:" + JSON.stringify(resp))
            break;
        case "onDisConnected":
            this.isRead = false
            this.showMsg("断开连接")
            break;
        default:
            break;
    }
    // this.showMsg(JSON.stringify(resp))
}
UTSBluetoothBT.createInsecureRfcommSocketToServiceRecord(params, callback)
// 加密连接,弹窗显示PIN配对码
// UTSBluetoothBT.createRfcommSocketToServiceRecord(params,callback)

• 断开连接

let address = this.curDevice.address
UTSBluetoothBT.close({
    address: address // 蓝牙mac地址
})

• 发送字节码数据

let params = {
    address: address, // 蓝牙mac地址
    value: [0x01, 0xff]
}

UTSBluetoothBT.writeByte(params)

• 发送utf数据

UTSBluetoothBT.writeUTF({
    address: address, // 蓝牙mac地址
    value: "我是中国人"
})

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