MultipeerConnectivity連線藍芽裝置
阿新 • • 發佈:2019-02-19
#import <MultipeerConnectivity/MultipeerConnectivity.h>
/*
1. 註冊一個廣告 告訴別人 我的裝置是可以被發現
2. 掃描藍芽裝置 需要實現代理方法
3. 使用一個MCSession物件儲存當前會話 需要實現代理方法
4. 使用MCSession 物件 傳送和接收資料
*/
#define SERVICE_TYPE @"xmg"
@interface ViewController ()<MCBrowserViewControllerDelegate,UINavigationControllerDelegate,UIImagePickerControllerDelegate,MCSessionDelegate>
@property (weak, nonatomic) IBOutlet UIImageView *showImg;
// 儲存會話
@property (nonatomic, strong)MCSession *m_session;
/** 傳送廣告 */
@property (nonatomic, strong) MCAdvertiserAssistant *assistant;
/** 當前連線到的裝置 */
@property (nonatomic, strong) MCPeerID *peerId;
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
// 初始化 會話
// 獲取裝置的名字
NSString *displayName = [UIDevice currentDevice].name;
// 裝置的id
MCPeerID *perrID = [[MCPeerID alloc]initWithDisplayName:displayName];
self.m_session = [[MCSession alloc]initWithPeer:perrID];
self.m_session.delegate = self;
}
// click events
- (IBAction)connect:(id)sender {
MCBrowserViewController *browser = [[MCBrowserViewController alloc]initWithServiceType:SERVICE_TYPE session:self.m_session];
browser.delegate = self;
[self presentViewController:browser animated:YES completion:nil];
}
- (IBAction)selecte:(id)sender {
UIImagePickerController *imgPicker = [[UIImagePickerController alloc]init];
imgPicker.delegate = self;
imgPicker.sourceType = UIImagePickerControllerSourceTypeSavedPhotosAlbum;
[self presentViewController:imgPicker animated:YES completion:nil];
}
- (IBAction)sendImage:(id)sender {
if (!self.showImg.image) return;
// 傳送資料
[self.m_session sendData:UIImagePNGRepresentation(self.showImg.image) toPeers:@[self.peerId] withMode:MCSessionSendDataUnreliable error:nil];
NSLog(@"===%@" ,self.m_session);
}
// 設定可被發現
- (IBAction)found:(id)sender {
UISwitch *s = (UISwitch *)sender;
if (s.isOn) {
// 註冊廣告 可能一個app 傳送了多個廣告, 所以需要給光繫結唯一標示
self.assistant = [[MCAdvertiserAssistant alloc]initWithServiceType:SERVICE_TYPE discoveryInfo:nil session:self.m_session];
[self.assistant start];
}
}
#pragma mark - 會話的代理方法
// 接收到的資料
- (void)session:(MCSession *)session didReceiveData:(NSData *)data fromPeer:(MCPeerID *)peerID
{
dispatch_async(dispatch_get_main_queue(), ^{
self.showImg.image = [UIImage imageWithData:data];
});
}
- (void)session:(MCSession *)session peer:(MCPeerID *)peerID didChangeState:(MCSessionState)state
{
}
#pragma mark - 掃描裝置的代理
// 連線成功
- (void)browserViewControllerDidFinish:(MCBrowserViewController *)browserViewController
{
NSLog(@"%s %d",__func__,__LINE__);
[browserViewController dismissViewControllerAnimated:YES completion:nil];
}
// 退出連線
- (void)browserViewControllerWasCancelled:(MCBrowserViewController *)browserViewController
{
}
// 連線哪個裝置
- (BOOL)browserViewController:(MCBrowserViewController *)browserViewController
shouldPresentNearbyPeer:(MCPeerID *)peerID
withDiscoveryInfo:(nullable NSDictionary<NSString *, NSString *> *)info
{
NSLog(@"%s %d",__func__,__LINE__);
self.peerId = peerID;
return YES;
}
#pragma mark - imageDelegate
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<NSString *,id> *)info
{
self.showImg.image = info[UIImagePickerControllerOriginalImage];
[picker dismissViewControllerAnimated:YES completion:nil];
}
@end
/*
1. 註冊一個廣告 告訴別人 我的裝置是可以被發現
2. 掃描藍芽裝置 需要實現代理方法
3. 使用一個MCSession物件儲存當前會話 需要實現代理方法
4. 使用MCSession 物件 傳送和接收資料
*/
#define SERVICE_TYPE @"xmg"
@interface ViewController ()<MCBrowserViewControllerDelegate,UINavigationControllerDelegate,UIImagePickerControllerDelegate,MCSessionDelegate>
@property (weak, nonatomic) IBOutlet UIImageView *showImg;
// 儲存會話
@property (nonatomic, strong)MCSession *m_session;
/** 傳送廣告 */
@property (nonatomic, strong) MCAdvertiserAssistant *assistant;
/** 當前連線到的裝置 */
@property (nonatomic, strong) MCPeerID *peerId;
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
// 初始化 會話
// 獲取裝置的名字
NSString *displayName = [UIDevice currentDevice].name;
// 裝置的id
MCPeerID *perrID = [[MCPeerID alloc]initWithDisplayName:displayName];
self.m_session = [[MCSession alloc]initWithPeer:perrID];
self.m_session.delegate = self;
}
// click events
- (IBAction)connect:(id)sender {
MCBrowserViewController *browser = [[MCBrowserViewController alloc]initWithServiceType:SERVICE_TYPE session:self.m_session];
browser.delegate = self;
[self presentViewController:browser animated:YES completion:nil];
}
- (IBAction)selecte:(id)sender {
UIImagePickerController *imgPicker = [[UIImagePickerController alloc]init];
imgPicker.delegate = self;
imgPicker.sourceType = UIImagePickerControllerSourceTypeSavedPhotosAlbum;
[self presentViewController:imgPicker animated:YES completion:nil];
}
- (IBAction)sendImage:(id)sender {
if (!self.showImg.image) return;
// 傳送資料
[self.m_session sendData:UIImagePNGRepresentation(self.showImg.image) toPeers:@[self.peerId] withMode:MCSessionSendDataUnreliable error:nil];
NSLog(@"===%@" ,self.m_session);
}
// 設定可被發現
- (IBAction)found:(id)sender {
UISwitch *s = (UISwitch *)sender;
if (s.isOn) {
// 註冊廣告 可能一個app 傳送了多個廣告, 所以需要給光繫結唯一標示
self.assistant = [[MCAdvertiserAssistant alloc]initWithServiceType:SERVICE_TYPE discoveryInfo:nil session:self.m_session];
[self.assistant start];
}
}
#pragma mark - 會話的代理方法
// 接收到的資料
- (void)session:(MCSession *)session didReceiveData:(NSData *)data fromPeer:(MCPeerID *)peerID
{
dispatch_async(dispatch_get_main_queue(), ^{
self.showImg.image = [UIImage imageWithData:data];
});
}
- (void)session:(MCSession *)session peer:(MCPeerID *)peerID didChangeState:(MCSessionState)state
{
}
#pragma mark - 掃描裝置的代理
// 連線成功
- (void)browserViewControllerDidFinish:(MCBrowserViewController *)browserViewController
{
NSLog(@"%s %d",__func__,__LINE__);
[browserViewController dismissViewControllerAnimated:YES completion:nil];
}
// 退出連線
- (void)browserViewControllerWasCancelled:(MCBrowserViewController *)browserViewController
{
}
// 連線哪個裝置
- (BOOL)browserViewController:(MCBrowserViewController *)browserViewController
shouldPresentNearbyPeer:(MCPeerID *)peerID
withDiscoveryInfo:(nullable NSDictionary<NSString *, NSString *> *)info
{
NSLog(@"%s %d",__func__,__LINE__);
self.peerId = peerID;
return YES;
}
#pragma mark - imageDelegate
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<NSString *,id> *)info
{
self.showImg.image = info[UIImagePickerControllerOriginalImage];
[picker dismissViewControllerAnimated:YES completion:nil];
}
@end