Question

我有一台带有一些服务的蓝牙设备。我能够将我的应用程序与此设备连接，并且我能够看到我的BT设备的所有服务，但我希望看到各种服务的名称，例如：

Device Information 
UUID : 0x180A

我认为这是可能的，因为某些通用应用程序允许您查看它。

Answer 1

按照Apple tutorial，非常明确：

从：

开始

@interface ViewController () <CBCentralManagerDelegate, CBPeripheralDelegate>

//centralManager:willRestoreState:
@property (nonatomic,strong) CBPeripheral     *connectingPeripheral;

@end

@implementation ViewController
{
    CBCentralManager *centralManager;
}

然后：

- (void)viewDidLoad
{
    [super viewDidLoad];

    //Starting Up a Central Manager
    centralManager = [[CBCentralManager alloc] initWithDelegate:self queue:nil
                                                    options: nil]; 
}

initWithDelegate：queue：options：通过CBCentralManagerDelegate调用：

- (void) centralManagerDidUpdateState:(CBCentralManager *)central
{
    [centralManager scanForPeripheralsWithServices:nil //Services
                                           options:nil];
}

scanForPeripheralsWithServices：options：通过CBCentralManagerDelegate调用：

- (void) centralManager:(CBCentralManager *)central didDiscoverPeripheral:(CBPeripheral *)peripheral advertisementData:(NSDictionary *)advertisementData RSSI:(NSNumber *)RSSI
{

    self.connectingPeripheral = peripheral;

    //You should connect to your BLE Device with:
    [centralManager connectPeripheral:self.connectingPeripheral
                              options: nil]
}

此调用的响应是通过委托connectPeripheral：options：

然后：

- (void) centralManager:(CBCentralManager *)central didConnectPeripheral:(CBPeripheral *)peripheral
{
    //(...)
    [peripheral discoverServices:nil]; // Service
}

discoverServices：调用peripheral：didDiscoverServices：来自CBPeripheralDelegate

- (void) peripheral:(CBPeripheral *)peripheral didDiscoverServices:(NSError *)error
{

    for (CBService *service in peripheral.services)
    {
        NSLog(@"Discovered service %@", service);
        NSLog(@"Discovered service %@", service.UUID);
    }
}

你有你想要的东西！

了解CBService：

的属性非常重要

识别服务

UUID属性
周边财产
isPrimary property

访问服务数据

特征属性
includedServices属性

蓝牙低功耗iOS如何获得服务名称

1 个答案: