CBCentralManager学习笔记

<span style="font-size:18px;">// CBCentralManager学习笔记@interface CBCentralManager : NSObject//CBCentralManager的几种状态typedef NS_ENUM(NSInteger, CBCentralManagerState) {// 初始的时候是未知的（刚刚创建的时候）CBCentralManagerStateUnknown = 0,//正在重置状态CBCentralManagerStateResetting,//设备不支持的状态CBCentralManagerStateUnsupported,// 设备未授权状态CBCentralManagerStateUnauthorized,//设备关闭状态CBCentralManagerStatePoweredOff,// 设备开启状态 -- 可用状态CBCentralManagerStatePoweredOn,};// 代理@property(weak, nonatomic) id<CBCentralManagerDelegate> delegate;//设备的状态@property(readonly) CBCentralManagerState state;// 初始化方法-参数-delegate-可以放到多线程里面去创建做更多的事情-queue- (id)initWithDelegate:(id<CBCentralManagerDelegate>)delegate queue:(dispatch_queue_t)queue;//初始化方法-参数-options指定这个manager- (id)initWithDelegate:(id<CBCentralManagerDelegate>)delegate queue:(dispatch_queue_t)queue options:(NSDictionary *)options//检索外围设备通过传入一个UUID数组- (void)retrievePeripherals:(NSArray *)peripheralUUIDs //检索外围设备通过传入一个identifiers数组- (NSArray *)retrievePeripheralsWithIdentifiers:(NSArray*)identifiers// 检索已连接的外围设备- (void)retrieveConnectedPeripherals//通过服务的UUID数组返回已经连接的服务数组- (NSArray *)retrieveConnectedPeripheralsWithServices:(NSArray*)serviceUUIDs// serviceUUIDs是一个CBUUID数组，如果serviceUUIDs是nil为空的话所有的被发现的peripheral将要被返回- (void)scanForPeripheralsWithServices:(NSArray *)serviceUUIDs options:(NSDictionary *)options// 停止扫描- (void)stopScan//通过options指定的选项去连接peripheral- (void)connectPeripheral:(CBPeripheral *)peripheral options:(NSDictionary *)options//取消一个活跃的或者等待连接的peripheral的连接- (void)cancelPeripheralConnection:(CBPeripheral *)peripheral-----------------------------------------------------代理方法------------------------------------------------------------------@protocol CBCentralManagerDelegate <NSObject>// 必须实现的方法@required//仅仅在CBCentralManagerStatePoweredOn的时候可用当central的状态是OFF的时候所有与中心连接的peripheral都将无效并且都要重新连接，central的初始状态时是Unknown- (void)centralManagerDidUpdateState:(CBCentralManager *)central;@optional//central提供信息，dict包含了应用程序关闭是系统保存的central的信息，用dic去恢复central//app状态的保存或者恢复，这是第一个被调用的方法当APP进入后台去完成一些蓝牙有关的工作设置，使用这个方法同步app状态通过蓝牙系统- (void)centralManager:(CBCentralManager *)central willRestoreState:(NSDictionary *)dict//*  @param central      The central manager providing this information. *  @param peripherals  A list of <code>CBPeripheral</code> objects.改方法返回一个结果当{@link retrievePeripherals} 被调用，与周边，中央能够匹配UUID- (void)centralManager:(CBCentralManager *)central didRetrievePeripherals:(NSArray *)peripherals//peripherals表示当前连接central的所有peripherals//这个方法返回一个结果，当retrieveConnectedPeripherals被调用是- (void)centralManager:(CBCentralManager *)central didRetrieveConnectedPeripherals:(NSArray *)peripherals- (void)centralManager:(CBCentralManager *)central didDiscoverPeripheral:(CBPeripheral *)peripheral advertisementData:(NSDictionary *)advertisementData RSSI:(NSNumber *)RSSI- (void)centralManager:(CBCentralManager *)central didConnectPeripheral:(CBPeripheral *)peripheral- (void)centralManager:(CBCentralManager *)central didFailToConnectPeripheral:(CBPeripheral *)peripheral error:(NSError *)error- (void)centralManager:(CBCentralManager *)central didDisconnectPeripheral:(CBPeripheral *)peripheral error:(NSError *)error</span>

转载自：http://blog.csdn.net/dwarven/article/details/37873777