蓝牙传送_多点连接 （适用于>iOS7）
第一部分：蓝牙传送_多点链接_广播－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－
// ViewController.m
// 蓝牙传送_多点链接_广播
//
// Created by 张凯泽 on 16/2/21.
// Copyright © 2016年 rytong_zkz. All rights reserved.
//
#import "ViewController.h"
#import <MultipeerConnectivity/MultipeerConnectivity.h>
@interface ViewController ()<MCSessionDelegate,UIImagePickerControllerDelegate,UINavigationControllerDelegate>
- (IBAction)selectPhoto:(id)sender;
@property (weak, nonatomic) IBOutlet UIImageView *photoImage;
- (IBAction)sendPhoto:(id)sender;
@property(nonatomic,strong)MCSession *session;
@property(nonatomic,strong)MCAdvertiserAssistant *assistant;
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
//1.创建表示当前蓝牙设备的对象并设置广播的名字
MCPeerID *peer = [[MCPeerID alloc]initWithDisplayName:@"zkz_blue_server"];//
//创建连接
MCSession * session = [[MCSession alloc]initWithPeer:peer];
session.delegate = self;
self.session = session;
//创建广播助手用来广播当前的蓝牙设备的,必须制定一个蓝牙服务不能超过12个字符,只能使用ASCII中的字符
MCAdvertiserAssistant * assistant = [[MCAdvertiserAssistant alloc]initWithServiceType:@"zkz-chat" discoveryInfo:nil session:session];
self.assistant = assistant;
//开始广播
[assistant start];
}
-(void)dealloc
{
//停止广播
[self.assistant stop];
}
//从相册中选择图片
- (IBAction)selectPhoto:(id)sender {
UIImagePickerController * picker = [[UIImagePickerController alloc]init];
picker.delegate = self;
[self presentViewController:picker animated:YES completion:nil];
}
//向对方的蓝牙设备发送图片
- (IBAction)sendPhoto:(id)sender {
//获取图片的二进制数据
if (self.photoImage.image) {
NSData * data = UIImagePNGRepresentation(self.photoImage.image);
//发送数据、
[self.session sendData:data toPeers:self.session.connectedPeers withMode:MCSessionSendDataReliable error:nil];
}else{
NSLog(@"没有图片");
}
}
#pragma mark--zkz--MCSession的代理方法
// Remote peer changed state.
//监听用来判断两台蓝牙设备之间的连接状态的变化
- (void)session:(MCSession *)session peer:(MCPeerID *)peerID didChangeState:(MCSessionState)state
{
switch (state) {
case MCSessionStateConnecting:
NSLog(@"正在连接");
break;
case MCSessionStateConnected:
NSLog(@"已经连接成功");
break;
default:
NSLog(@"连接失败");
break;
}
}
// Received data from remote peer.
//接受其他蓝牙设备传递过来的数据
- (void)session:(MCSession *)session didReceiveData:(NSData *)data fromPeer:(MCPeerID *)peerID
{
NSLog(@"data-------");
self.photoImage.image = [[UIImage alloc]initWithData:data];
}
// Received a byte stream from remote peer.
- (void) session:(MCSession *)session
didReceiveStream:(NSInputStream *)stream
withName:(NSString *)streamName
fromPeer:(MCPeerID *)peerID
{
}
// Start receiving a resource from remote peer.
- (void) session:(MCSession *)session
didStartReceivingResourceWithName:(NSString *)resourceName
fromPeer:(MCPeerID *)peerID
withProgress:(NSProgress *)progress
{
}
// Finished receiving a resource from remote peer and saved the content
// in a temporary location - the app is responsible for moving the file
// to a permanent location within its sandbox.
- (void) session:(MCSession *)session
didFinishReceivingResourceWithName:(NSString *)resourceName
fromPeer:(MCPeerID *)peerID
atURL:(NSURL *)localURL
withError:(nullable NSError *)error
{
}
#pragma mark---zkz--- 图片选择的代理方法
-(void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<NSString *,id> *)info
{
self.photoImage.image = info[UIImagePickerControllerOriginalImage];
[picker dismissViewControllerAnimated:YES completion:nil];
}
-(void)imagePickerControllerDidCancel:(UIImagePickerController *)picker
{
[picker dismissViewControllerAnimated:YES completion:nil];
}
@end
第二部分：蓝牙传送_多点链接_发现
// ViewController.m
// 蓝牙传送_多点链接_发现－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－
//
// Created by 张凯泽 on 16/2/21.
// Copyright © 2016年 rytong_zkz. All rights reserved.
//
#import "ViewController.h"
#import <MultipeerConnectivity/MultipeerConnectivity.h>
@interface ViewController ()<MCSessionDelegate,MCBrowserViewControllerDelegate,UIImagePickerControllerDelegate,UINavigationControllerDelegate>
- (IBAction)discoverBtn:(id)sender;
- (IBAction)selectImage:(id)sender;
@property (weak, nonatomic) IBOutlet UIImageView *showImageView;
- (IBAction)sendImage:(id)sender;
@property(nonatomic,strong)MCSession *session;
@property(nonatomic,strong)MCBrowserViewController *browser;
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
//发现
- (IBAction)discoverBtn:(id)sender {
//创建代表当前蓝牙设备的对象，并设备显示在对方设备的名字
MCPeerID * peer = [[MCPeerID alloc]initWithDisplayName:@"zkz_client"];
//创建连接
MCSession * session = [[MCSession alloc]initWithPeer:peer];
session.delegate = self;
self.session = session;
//创建发现的控制器，服务类型必须和广播的类型完全一致
MCBrowserViewController * browser = [[MCBrowserViewController alloc]initWithServiceType:@"zkz-chat" session:session];
browser .delegate=self;
[self presentViewController:browser animated:YES completion:nil];
}
//选择本地相册图片
- (IBAction)selectImage:(id)sender {
UIImagePickerController * picker = [[UIImagePickerController alloc]init];
picker.delegate = self;
[self presentViewController:picker animated:YES completion:nil];
}
//发送照片
- (IBAction)sendImage:(id)sender {
[self.session sendData:UIImagePNGRepresentation(self.showImageView.image) toPeers:self.session.connectedPeers withMode:MCSessionSendDataReliable error:nil];
}
#pragma mark--zkz--MCSessionDelegate的代理方法
// Remote peer changed state.
//监听用来判断两台蓝牙设备之间的连接状态的变化
- (void)session:(MCSession *)session peer:(MCPeerID *)peerID didChangeState:(MCSessionState)state
{
switch (state) {
case MCSessionStateConnecting:
NSLog(@"正在连接");
break;
case MCSessionStateConnected:
NSLog(@"已经连接成功");
break;
default:
NSLog(@"连接失败");
break;
}
}
// Received data from remote peer.
//接受其他蓝牙设备传递过来的数据
- (void)session:(MCSession *)session didReceiveData:(NSData *)data fromPeer:(MCPeerID *)peerID
{
NSLog(@"data");
self.showImageView.image = [[UIImage alloc]initWithData:data];
}
// Received a byte stream from remote peer.
- (void) session:(MCSession *)session
didReceiveStream:(NSInputStream *)stream
withName:(NSString *)streamName
fromPeer:(MCPeerID *)peerID
{
}
// Start receiving a resource from remote peer.
- (void) session:(MCSession *)session
didStartReceivingResourceWithName:(NSString *)resourceName
fromPeer:(MCPeerID *)peerID
withProgress:(NSProgress *)progress
{
}
// Finished receiving a resource from remote peer and saved the content
// in a temporary location - the app is responsible for moving the file
// to a permanent location within its sandbox.
- (void) session:(MCSession *)session
didFinishReceivingResourceWithName:(NSString *)resourceName
fromPeer:(MCPeerID *)peerID
atURL:(NSURL *)localURL
withError:(nullable NSError *)error
{
}
#pragma mark--zkz--MCBrowserViewControllerDelegate
//关闭发现控制器
-(void)browserViewControllerDidFinish:(MCBrowserViewController *)browserViewController
{
[browserViewController dismissViewControllerAnimated:YES completion:nil];
}
-(void)browserViewControllerWasCancelled:(MCBrowserViewController *)browserViewController
{
[browserViewController dismissViewControllerAnimated:YES completion:nil];
}
#pragma mark---zkz--- 图片选择的代理方法
-(void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<NSString *,id> *)info
{
self.showImageView.image = info[UIImagePickerControllerOriginalImage];
[picker dismissViewControllerAnimated:YES completion:nil];
}
-(void)imagePickerControllerDidCancel:(UIImagePickerController *)picker
{
[picker dismissViewControllerAnimated:YES completion:nil];
}
@end
