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//address=""搜索蓝牙//address=设备mac地址，自动配对给出mac地址的设备 安卓
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var BleDevice
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var device = null,
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BAdapter = null,
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BluetoothAdapter = null,
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uuid = null,
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main = null,
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UUID = null,
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bluetoothSocket = null,
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num = 0;
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// 开始gps定位
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function getLocationManager(callback) {
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plus.android.requestPermissions(
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['android.permission.ACCESS_FINE_LOCATION'],
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function (resultObj) {
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var result = 0;
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for (var i = 0; i < resultObj.granted.length; i++) {
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var grantedPermission = resultObj.granted[i]; // 以获取的权限
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result = 1;
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}
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for (var i = 0; i < resultObj.deniedPresent.length; i++) {
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var deniedPresentPermission = resultObj.deniedPresent[i]; // 拒绝本次申请的权限
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num += 1;
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result = 0;
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}
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for (var i = 0; i < resultObj.deniedAlways.length; i++) {
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var deniedAlwaysPermission = resultObj.deniedAlways[i]; // 永久拒绝的权限
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num += 1;
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result = -1;
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}
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// 权限被拒绝，则打开app 设置界面，可以再app设置界面打开相应权限
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if (result !== 1) {
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const Intent = plus.android.importClass("android.content.Intent");
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const Settings = plus.android.importClass("android.provider.Settings");
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const Uri = plus.android.importClass("android.net.Uri");
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var mainActivity=plus.android.runtimeMainActivity();
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const intent = new Intent();
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intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
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var uri = Uri.fromParts("package",mainActivity.getPackageName(),null);
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intent.setData(uri);
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mainActivity.startActivity(intent);
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} else {
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// 因为安卓手机，授权之后还需要打开定位服务功能 当手机授权之后 调用下面的方法
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var context = plus.android.importClass("android.content.Context");
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var locationManager=plus.android.importClass("android.location.LocationManager");
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var main=plus.android.runtimeMainActivity();
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var mainSvr=main.getSystemService(context.LOCATION_SERVICE);
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var gps = mainSvr.isProviderEnabled(locationManager.GPS_PROVIDER);
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var agps = mainSvr.isProviderEnabled(locationManager.NETWORK_PROVIDER);
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// 只有两个：gps开关和agps开关都是关的情况才算关，有一个开就认为是开
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if (gps || agps) {
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startBluetoothDiscovery(callback); // 目前发现 荣耀需要弹框允许蓝牙权限 否则无法搜索即使打开蓝牙也没用
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} else {
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uni.showModal({
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title: "提示",
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content: "请授权位置获取附近的蓝牙设备",
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showCancel: false,
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success(){
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if (!mainSvr.isProviderEnabled(locationManager.GPS_PROVIDER)) {
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var Intent = plus.android.importClass("android.content.Intent");
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var Settings = plus.android.importClass("android.provider.Settings");
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var intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
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main.startActivity(intent); // 打开系统设置gps服务页面
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} else {
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startBluetoothDiscovery(callback); // 目前发现 荣耀需要弹框允许蓝牙权限 否则无法搜索即使打开蓝牙也没用
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console.log('定位已开启')
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// uni.showToast({
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// title: '定位已开启',
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// duration: 2000,
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// });
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}
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}
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})
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}
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}
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}
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)
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}
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function startBluetoothDiscovery(callback){
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plus.bluetooth.openBluetoothAdapter({
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success:function(e){
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plus.bluetooth.startBluetoothDevicesDiscovery({
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success:function(e){callback()},
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fail:function(e){console.log('失败2')}
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});
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},
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fail:function(e){
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console.log('open failed: '+JSON.stringify(e));
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}
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});
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}
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// 搜索设备
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function searchDevices(address= '',vlist1 = [],vlist2= []) {
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//注册类
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var main = plus.android.runtimeMainActivity();
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var IntentFilter = plus.android.importClass('android.content.IntentFilter');
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var BluetoothAdapter = plus.android.importClass("android.bluetooth.BluetoothAdapter");
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var BluetoothDevice = plus.android.importClass("android.bluetooth.BluetoothDevice");
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BAdapter = BluetoothAdapter.getDefaultAdapter();
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// 没有开启蓝牙
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if (!BAdapter.isEnabled()) {
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uni.showToast({
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title: '请开启蓝牙',
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duration: 2000,
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icon:'error'
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});
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return;
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}
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console.log("开始搜索设备");
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var filter = new IntentFilter();
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var bdevice = new BluetoothDevice();
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var on = null;
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var un = null;
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let titleStr = '正在搜索请稍候';
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if (address) {
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titleStr = '正在连接蓝牙';
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}
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uni.showLoading({
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title: titleStr,
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success:()=>{
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setTimeout(function () {
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uni.hideLoading();
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},5000);
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}
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});
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BAdapter.startDiscovery(); //开启搜索
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var receiver = plus.android.implements('io.dcloud.android.content.BroadcastReceiver', {
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onReceive: function(context, intent) { //实现onReceiver回调函数
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plus.android.importClass(context);
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plus.android.importClass(intent); //通过intent实例引入intent类，方便以后的‘.’操作
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if(intent.getAction() === "android.bluetooth.adapter.action.DISCOVERY_FINISHED"){
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main.unregisterReceiver(receiver);//取消监听
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uni.hideLoading(); // 默认12秒
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// console.log("搜索结束")
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}else{
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BleDevice = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
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const name = BleDevice.getName();
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//判断是否配对
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if (BleDevice.getBondState() === bdevice.BOND_NONE) {
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//参数如果跟取得的mac地址一样就配对
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if (address === BleDevice.getAddress()) {
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if (BleDevice.createBond()) { //配对命令.createBond()
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vlist2.push({name,address:BleDevice.getAddress()});
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BAdapter.cancelDiscovery();//取消扫描
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// main.unregisterReceiver(receiver);//取消监听
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// uni.hideLoading(); //
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}
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} else {
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if(name !== null && name !== on ){ //判断防止重复添加
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on = name || '未知设备';
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vlist1.push({name:on,address:BleDevice.getAddress()})
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}
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}
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} else {
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if(name !== un ){ //判断防止重复添加
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un = name;
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vlist1.push({name:un,address:BleDevice.getAddress()});
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vlist2.push({name:un,address:BleDevice.getAddress()});
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if (address) {
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BAdapter.cancelDiscovery();//取消扫描
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}
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}
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}}
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}
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});
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filter.addAction(bdevice.ACTION_FOUND);
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filter.addAction(BAdapter.ACTION_DISCOVERY_STARTED);
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filter.addAction(BAdapter.ACTION_DISCOVERY_FINISHED);
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filter.addAction(BAdapter.ACTION_STATE_CHANGED);
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filter.addAction(BluetoothAdapter.ACTION_ACL_DISCONNECTED);
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main.registerReceiver(receiver, filter); //注册监听
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}
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//开始连接打印
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function print(mac_address,data,callback) {
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if (!mac_address) {
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uni.showToast({
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title: '请选择蓝牙设备',
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duration: 2000,
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icon:'error'
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});
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return;
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}
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main = plus.android.runtimeMainActivity();
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BluetoothAdapter = plus.android.importClass("android.bluetooth.BluetoothAdapter");
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UUID = plus.android.importClass("java.util.UUID");
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uuid = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB");
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BAdapter = BluetoothAdapter.getDefaultAdapter();
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device = BAdapter.getRemoteDevice(mac_address);
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plus.android.importClass(device);
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bluetoothSocket = device.createInsecureRfcommSocketToServiceRecord(uuid);
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plus.android.importClass(bluetoothSocket);
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// const isConnected = bluetoothSocket.isConnected();
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// console.log('设备是否连接,',bluetoothSocket.isConnected());
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if (!bluetoothSocket.isConnected()) {
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uni.showToast({
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title: '检测到设备未连接，尝试连接....',
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duration: 2000,
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icon:'none'
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});
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bluetoothSocket.connect();
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}
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if (bluetoothSocket.isConnected()) {
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const outputStream = bluetoothSocket.getOutputStream();
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plus.android.importClass(outputStream);
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// string 直接传输指令就行 哪个打印机需要的指令就传哪个指令 例子(tSPL)：
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// 宽： X800（100mm） 点，高：Y800（100mm）
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// const string2 = `
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// SIZE 100mm, 100mm
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// GAP 3mm, 0mm
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// DIRECTION 1
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// CLS
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// TEXT 291,0,"TSS24.BF2",0,1,1,"货号：0075 0075瑜伽体力库"
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// TEXT 291,40,"TSS24.BF2",0,1,1,"日期：06/30 裁剪：裁剪人"
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// TEXT 291,80,"TSS24.BF2",0,1,1,"编号：952 包号：1"
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// TEXT 291,120,"TSS24.BF2",0,1,1,"床号：91 颜色：白色"
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// TEXT 291,160,"TSS24.BF2",0,1,1,"尺码：S 数量：100"
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// QRCODE 391,200,H,10,A,0,"无效数据-guid"
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// PRINT 1
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// `;
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data.forEach(item=>{
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const bytes = plus.android.invoke(item, 'getBytes', 'gbk');
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outputStream.write(bytes);
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});
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setTimeout(function () {
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outputStream.flush();// 强制把缓冲区内容输出
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device = null //这里关键
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// outputStream.clone(); // 关闭输出流
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bluetoothSocket.close(); //必须关闭蓝牙连接否则意外断开的话打印错误
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callback();
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},500)
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}
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}
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// 关闭操作
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function cancelDiscovery() {
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if (BAdapter) {
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BAdapter.cancelDiscovery();//取消扫描
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if (bluetoothSocket) {
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bluetoothSocket.close(); //关闭蓝牙连接
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}
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}
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}
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export {searchDevices,print,getLocationManager,cancelDiscovery} |