CoreBlueTootch的实现

storyBoard里拖tableView、tableViewCell。记得拖代理

大致思路：注册中心管理设备—》判断蓝牙是否开启——>扫描—》扫描发现设备—》加到数组里，刷新—》点击cell、连接结束扫描—》连接上外设、连接出错、断开连接三个方法。

#import "ViewController.h"

#import <CoreBluetooth/CoreBluetooth.h>

#import <CoreLocation/CoreLocation.h>

@interface ViewController ()<CBCentralManagerDelegate,UITableViewDataSource, UITableViewDelegate>

//展示外设

@property (weak, nonatomic) IBOutlet UITableView *tableView;

//中央设备管理者

@property (nonatomic, strong)CBCentralManager *mgr;

//用于添加扫描到的外设

@property (nonatomic, strong)NSMutableArray *dataArr;

@end

@implementation ViewController

- (void)viewDidLoad {

    

    

    [super viewDidLoad];

    //判断中央设备蓝牙状态

    

    //tableview注册

    [self.tableView registerClass:[UITableViewCell class] forCellReuseIdentifier:@"Cell"];

    self.mgr = [[CBCentralManager alloc] initWithDelegate:self queue:nil];

//    NSLog(@"%@", self.mgr);

    

    // Do any additional setup after loading the view, typically from a nib.

}

// 扫描外设

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

{

    //将外设对象加到容器里

    [self.dataArr addObject:peripheral];

    [self.tableView reloadData];

    NSLog(@"%@", RSSI);

    NSLog(@"%@", advertisementData);

}

// 这个方法是必须执行的！！！！！！！！！！

- (void)centralManagerDidUpdateState:(CBCentralManager *)central

{

    NSLog(@"------%ld", central.state);

    // 判读是否是枚举。如果是，就开始扫描

    if ([self panduan]) {

        [self.mgr scanForPeripheralsWithServices:nil options:nil];

    }

    

}

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView

{

    return 1;

}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section

{

    return _dataArr.count;

}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath

{

    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"Cell" forIndexPath:indexPath];

    CBPeripheral *peripheral = (CBPeripheral *)self.dataArr[indexPath.row];

//    cell.textLabel.text = @"nnnnnn";

//    cell.textLabel.text = [NSString stringWithFormat:@"%@", peripheral.RSSI];

    

    return cell;

}

// 点击cell出发的方法

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath

{

    //链接蓝牙外设

    [self.mgr connectPeripheral:((CBPeripheral *)self.dataArr[indexPath.row]) options:nil];

    //结束扫描

    [self.mgr stopScan];

}

//链接上外设

- (void)centralManager:(CBCentralManager *)central didConnectPeripheral:(CBPeripheral *)peripheral

{

    NSLog(@"%s", __func__);

}

//链接出错

- (void)centralManager:(CBCentralManager *)central didFailToConnectPeripheral:(CBPeripheral *)peripheral error:(NSError *)error

{

    NSLog(@"%s", __func__);

}

// 断开连接

- (void)centralManager:(CBCentralManager *)central didDisconnectPeripheral:(CBPeripheral *)peripheral error:(NSError *)error

{

    NSLog(@"%s", __func__);

}

//承载容器的懒加载

- (NSMutableArray *)dataArr

{

    if (!_dataArr) {

        _dataArr = [NSMutableArray array];

    }

    return _dataArr;

}

//判断蓝牙状态是否可用

- (BOOL)panduan

{

    NSLog(@"%@", self.mgr);

    if (self.mgr.state == CBCentralManagerStatePoweredOn) {

        return YES;

    }

    return NO;

}

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

@end

#import "ViewController.h"

#import <CoreBluetooth/CoreBluetooth.h>

#import <CoreLocation/CoreLocation.h>

@interface ViewController ()<CBCentralManagerDelegate,UITableViewDataSource, UITableViewDelegate>

//展示外设

@property (weak, nonatomic) IBOutlet UITableView *tableView;

//中央设备管理者

@property (nonatomic, strong)CBCentralManager *mgr;

//用于添加扫描到的外设

@property (nonatomic, strong)NSMutableArray *dataArr;

@end

@implementation ViewController

- (void)viewDidLoad {

    

    

    [super viewDidLoad];

    //判断中央设备蓝牙状态

    

    //tableview注册

    [self.tableView registerClass:[UITableViewCell class] forCellReuseIdentifier:@"Cell"];

    self.mgr = [[CBCentralManager alloc] initWithDelegate:self queue:nil];

//    NSLog(@"%@", self.mgr);

    

    // Do any additional setup after loading the view, typically from a nib.

}

// 扫描外设

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

{

    //将外设对象加到容器里

    [self.dataArr addObject:peripheral];

    [self.tableView reloadData];

    NSLog(@"%@", RSSI);

    NSLog(@"%@", advertisementData);

}

// 这个方法是必须执行的！！！！！！！！！！

- (void)centralManagerDidUpdateState:(CBCentralManager *)central

{

    NSLog(@"------%ld", central.state);

    // 判读是否是枚举。如果是，就开始扫描

    if ([self panduan]) {

        [self.mgr scanForPeripheralsWithServices:nil options:nil];

    }

    

}

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView

{

    return 1;

}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section

{

    return _dataArr.count;

}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath

{

    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"Cell" forIndexPath:indexPath];

    CBPeripheral *peripheral = (CBPeripheral *)self.dataArr[indexPath.row];

//    cell.textLabel.text = @"nnnnnn";

//    cell.textLabel.text = [NSString stringWithFormat:@"%@", peripheral.RSSI];

    

    return cell;

}

// 点击cell出发的方法

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath

{

    //链接蓝牙外设

    [self.mgr connectPeripheral:((CBPeripheral *)self.dataArr[indexPath.row]) options:nil];

    //结束扫描

    [self.mgr stopScan];

}

//链接上外设

- (void)centralManager:(CBCentralManager *)central didConnectPeripheral:(CBPeripheral *)peripheral

{

    NSLog(@"%s", __func__);

}

//链接出错

- (void)centralManager:(CBCentralManager *)central didFailToConnectPeripheral:(CBPeripheral *)peripheral error:(NSError *)error

{

    NSLog(@"%s", __func__);

}

// 断开连接

- (void)centralManager:(CBCentralManager *)central didDisconnectPeripheral:(CBPeripheral *)peripheral error:(NSError *)error

{

    NSLog(@"%s", __func__);

}

//承载容器的懒加载

- (NSMutableArray *)dataArr

{

    if (!_dataArr) {

        _dataArr = [NSMutableArray array];

    }

    return _dataArr;

}

//判断蓝牙状态是否可用

- (BOOL)panduan

{

    NSLog(@"%@", self.mgr);

    if (self.mgr.state == CBCentralManagerStatePoweredOn) {

        return YES;

    }

    return NO;

}

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

@end