////  ViewController.m//  BLEEx2////  Created by 我的未来不是梦 on 14-11-26.//  Copyright (c) 2014年 choicemmed. All rights reserved.// #import "ViewController.h"// 1 导头文件#import <CoreBluetooth/CoreBluetooth.h>@interface ViewController () <CBCentralManagerDelegate, CBPeripheralDelegate>
@property(nonatomic, strong) CBCentralManager *mgr;@property(nonatomic, strong) NSMutableArray *peripherals;
@end @implementation ViewController- (NSMutableArray *)peripherals{    if (!_peripherals) {        _peripherals = [NSMutableArray array];    }　　 return _peripherals;} - (void)viewDidLoad {
  　[super viewDidLoad];    // 2 创建 中心管理者对象    CBCentralManager *mgr = [[CBCentralManager alloc] init];    mgr.delegate = self;    self.mgr = mgr;    // 3 扫描外设 参数传nil 表示搜索所有外设    [mgr scanForPeripheralsWithServices:nil options:nil];   } // 模拟连接外设- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event{    // 扫描外设中的服务和特征    for (CBPeripheral *peripheral in self.peripherals) {        peripheral.delegate = self;
        // 利用mgr 连接外设        [self.mgr connectPeripheral:peripheral options:nil];    }} #pragma mark - CBCentralManagerDelegate// 中心管理 扫描到外设- (void)centralManager:(CBCentralManager *)central didDiscoverPeripheral:(CBPeripheral *)peripheral advertisementData:(NSDictionary *)advertisementData RSSI:(NSNumber *)RSSI{    // 将外设保存    if (![self.peripherals containsObject:peripheral]) {        [self.peripherals addObject:peripheral];    }} // 中心管理 连接外设成功(void)centralManager:(CBCentralManager *)central didConnectPeripheral:(CBPeripheral *)peripheral{    // 扫描外设中的服务    [peripheral discoverServices:nil];} // 中心管理 连接外设失败- (void)centralManager:(CBCentralManager *)central didDisconnectPeripheral:(CBPeripheral *)peripheral error:(NSError *)error{    NSLog(@"%@",error);} #pragma mark - CBPeripheralDelegate// 外设扫描到服务- (void)peripheral:(CBPeripheral *)peripheral didDiscoverServices:(NSError *)error{    NSArray *services = peripheral.services;    for (CBService *service in services) {        // 取得需要的服务        if ([@"needService" isEqualToString:service.UUID.UUIDString]) {            [peripheral discoverCharacteristics:nil forService:service];        }    }} - (void)peripheral:(CBPeripheral *)peripheral didDiscoverCharacteristicsForService:(CBService *)service error:(NSError *)error{    NSArray *characteristics = service.characteristics;    for (CBCharacteristic *characteristic in characteristics) {        if ([@"needCharacteristic" isEqualToString:characteristic.UUID.UUIDString]) {            NSLog(@"do somthing~");        }    }}@end