/*开启蓝牙设备*/
openBluetoothAdapter: function () {

var that = this;
wx.showLoading({
title: '开启蓝牙适配'
});
wx.openBluetoothAdapter({
success: function (res) {
console.log("初始化蓝牙适配器");
console.log(res);
that.getBluetoothAdapterState();
},
fail: function (err) {
console.log(err);
wx.showToast({
title: '蓝牙初始化失败',
icon: 'success',
duration: 2000
})
setTimeout(function () {
wx.hideToast()
}, 2000)
}
});
wx.onBluetoothAdapterStateChange(function (res) {
var available = res.available;
if (available) {
that.getBluetoothAdapterState();
}
})
},
/*获取本机蓝牙适配器状态*/
getBluetoothAdapterState: function () {
var that = this;
wx.getBluetoothAdapterState({
success: function (res) {
var available = res.available,
discovering = res.discovering;
console.log(res)
if (!available) {
wx.showToast({
title: '设备无法开启蓝牙连接',
icon: 'success',
duration: 2000
})
setTimeout(function () {
wx.hideToast()
}, 2000)
}
else {
if (!discovering) {
that.startBluetoothDevicesDiscovery();
that.getConnectedBluetoothDevices();
}
}
}
})
},
startBluetoothDevicesDiscovery: function () {
var that = this;
wx.showLoading({
title: '蓝牙搜索'
});
wx.startBluetoothDevicesDiscovery({
services: [],
allowDuplicatesKey: false,
success: function (res) {
if (!res.isDiscovering) {
that.getBluetoothAdapterState();
}
else {
that.onBluetoothDeviceFound();
}
},
fail: function (err) {
console.log(err);
}
});




},
/**获取在微信小程序蓝牙模块生效期间所有已发现的蓝牙设备，包括已经和本机处于连接状态的设备。微信小程序用户拒绝授权，还能获取到用户昵称和头像吗##微信小程序开发教程 ...。*/
getBluetoothDevices: function () {
var that = this;
wx.getBluetoothDevices({
success: function (res) {
console.log(res)
}
})

},
/**监听寻找到新设备的事件*/
onBluetoothDeviceFound: function () {
var that = this;
wx.onBluetoothDeviceFound(function (res) {
console.log('new device list has founded')
console.log(res);
if (res.devices[0]) {
var name = res.devices[0]['name'];


var deviceId = res.devices[0]['deviceId'];
that.deviceId = deviceId;
console.log(that.deviceId);
that.startConnectDevices();

}
})


},
/**根据 uuid 获取处于已连接状态的设备*/
getConnectedBluetoothDevices: function () {
var that = this;
that.createBLEConnection()
wx.getConnectedBluetoothDevices({
success: function (res) {
console.log(res)
//

}
})
},




本文来自微信小程序开发者论坛 微信小程序工厂 http://www.xcxgc.com 转载请保留。

本文网址：http://www.91bianli.com/weixinxiaochengxu/54811.html