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修复一个Uniapp蓝牙的坑,App首页蓝牙状态功能添加

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liub
2025-12-02 11:32:56 +08:00
parent 5fec8eff30
commit cd6d529523
4 changed files with 188 additions and 78 deletions
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145
utils/BleHelper.js
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@ -513,58 +513,71 @@ class BleHelper {
return bytes.map(byte => byte.toString(16).padStart(2,
'0'));
}
let adapterStateTime=null;
uni.onBluetoothAdapterStateChange((state) => {
console.log('蓝牙状态发生变化:' + JSON.stringify(state));
this.data.discovering = state.discovering;
if (this.data.available !== state.available) {
this.data.available = state.available;
clearTimeout(adapterStateTime);
setTimeout(()=>{
if (this.data.available && this.data
.isOpenBlue) { //蓝牙状态再次可用，重连所有设备
if (this.cfg.stateRecoveryCallback.length > 0) {
this.cfg.stateRecoveryCallback.forEach(
c => {
try {
c.callback();
} catch (error) {
console.error(
"蓝牙适配器已恢复,但回调函数发生错误",
error);
}
})
}
if(this.data.discovering === state.discovering && this.data.available===state.available){
console.error("专业给Uniapp填坑,适配器状态错误");
return;
}
}
if (!state.available) { //蓝牙状态不可用了，将所有设备标记为断开连接
this.data.LinkedList.filter((v) => {
v.Linked = false;
v.notifyState = false;
return true;
});
let keys = Object.keys(bleDeviceStates)
keys.filter(v => {
bleDeviceStates[v] = false;
});
this.cfg.stateBreakCallback.forEach(f => {
try {
f.callback();
} catch (error) {
console.error("蓝牙状态不可用了,执行回调异常",
error)
console.log('蓝牙模块状态发生变化:' + JSON.stringify(state));
this.data.discovering = state.discovering;
if (this.data.available !== state.available) {
this.data.available = state.available;
if (this.data.available && this.data
.isOpenBlue) { //蓝牙适配器再次可用
if (this.cfg.stateRecoveryCallback.length > 0) {//执行适配器恢复的回调
console.log('蓝牙状态再次可用,执行恢复连接的回调');
this.cfg.stateRecoveryCallback.forEach(
c => {
try {
c.callback();
console.log("执行恢复连接的回调成功");
} catch (error) {
console.error(
"蓝牙适配器已恢复,但回调函数发生错误",
error);
}
})
}
}
})
this.updateCache();
}
}
if (!state.available) { //蓝牙状态不可用了，将所有设备标记为断开连接
console.log("蓝牙模块不可用了，将所有设备标记为断开连接");
this.data.LinkedList.filter((v) => {
v.Linked = false;
v.notifyState = false;
return true;
});
// let keys = Object.keys(bleDeviceStates)
// keys.filter(v => {
// bleDeviceStates[v] = false;
// });
this.cfg.stateBreakCallback.forEach(f => {
try {
f.callback();
console.log("执行断开连接的回调成功");
} catch (error) {
console.error("蓝牙状态不可用了,执行回调异常",
error)
}
})
this.updateCache();
}
},500);
});
@ -594,8 +607,8 @@ class BleHelper {
return false;
});
this.updateCache();
if (f && f.device && f.device.id) {
console.log("尝试5次恢复连接,", f
if (f && f.device && f.device.id && this.data.available) {
console.log("蓝牙状态可用,尝试5次恢复连接,", f
.deviceId);
this.LinkBlue(res.deviceId, f
.writeServiceId, f
@ -609,6 +622,7 @@ class BleHelper {
(c) => {
try {
c.callback(res);
console.log("执行蓝牙断开连接的回调成功");
} catch (error) {
console.error(
"执行蓝牙断开连接的回调出现异常,",
@ -618,20 +632,7 @@ class BleHelper {
}
} else {
console.log("蓝牙连接已恢复，", res);
if (this.cfg.recoveryCallback.length >
0) {
this.cfg.recoveryCallback.forEach((
c) => {
try {
c.callback(res);
} catch (error) {
console.error(
"执行蓝牙恢复连接的回调出现异常,",
error)
}
});
}
console.log("蓝牙连接已恢复",res);
}
}, 0);
@ -1501,6 +1502,20 @@ class BleHelper {
this.updateCache();
// console.log("LinkedList=", this.data
// .LinkedList);
//执行连接成功的回调
if (this.cfg.recoveryCallback.length >0) {
this.cfg.recoveryCallback.forEach((
c) => {
try {
c.callback({deviceId:deviceId,connected:true});
} catch (error) {
console.error(
"执行蓝牙恢复连接的回调出现异常,",
error)
}
});
}
// 处理 MTU 设置
if (plus.os.name === 'Android') {
@ -1830,7 +1845,7 @@ class BleHelper {
Promise.race([timeOut(ms), promise]).then(resolve).catch((ex) => {
// console.error("ex=", ex);
if (ex.code == -1) {
// console.error('专业给Uniapp填坑,发送消息永无回调');
console.error('专业给Uniapp填坑,发送消息永无回调');
resolve(ex);
} else {
reject(ex);