使用核心蓝牙处理 iBecon 信号,我可以使用 CBCentralManager 扫描选项进行搜索 nil :-
Shared.sharedInstance.centralManager?.scanForPeripherals(withServices: nil, options:[CBCentralManagerScanOptionAllowDuplicatesKey:true])
但是当我提供我想要的服务 ID 时,即:-
Shared.sharedInstance.centralManager?.scanForPeripherals(withServices: [serviceID], options:[CBCentralManagerScanOptionAllowDuplicatesKey:true])
它从不调用didDiscoverPeripheral Delegate方法,我也需要在后台模式下扫描外围设备,根据苹果文档,每当您需要在后台模式下扫描时,您都需要显式提供服务ID。任何人都可以帮助我在这里做错事。
最佳答案
我是这样使用的,
连接按钮单击事件
并使用CBCentralManagerDelegate, CBPeripheralDelegate
委托(delegate)
func connectDevice(sender:UIButton){
if peripheral != nil {
manager.cancelPeripheralConnection(peripheral)
manager = CBCentralManager(delegate: self, queue: nil)
}
}
func centralManagerDidUpdateState(central: CBCentralManager) {
if central.state == CBCentralManagerState.PoweredOn {
central.scanForPeripheralsWithServices(nil, options: nil)
} else {
self.showAlert(Messages().alert , message: "Bluetooth is not on.")
}
}
func centralManager(central: CBCentralManager, didDiscoverPeripheral peripheral: CBPeripheral, advertisementData: [String : AnyObject], RSSI: NSNumber) {
let device = (advertisementData as NSDictionary).objectForKey(CBAdvertisementDataLocalNameKey) as? NSString
print(device)
if device?.containsString(BEAN_NAME) == true {
self.manager.stopScan()
self.peripheral = peripheral
self.peripheral.delegate = self
manager.connectPeripheral(peripheral, options: nil)
}
}
关于ios - 无法通过 CBCentral Manager 使用 iBecon Signal 的服务 ID 进行扫描,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/41899838/