系统级别分享

airdrop分享

NSString *str =@"JustTest";
    NSURL *url =[NSURL URLWithString:@"http://www.baidu.com"];
    
    NSArray *objectsToShare =@[str,url];

  UIActivityViewController *controller = [[UIActivityViewController alloc] initWithActivityItems:objectsToShare applicationActivities:nil];
    
    NSArray *excludedActivities = @[UIActivityTypePostToTwitter, UIActivityTypePostToFacebook,
                                    UIActivityTypePostToWeibo,
                                    UIActivityTypeMessage, UIActivityTypeMail,
                                    UIActivityTypePrint, UIActivityTypeCopyToPasteboard,
                                    UIActivityTypeAssignToContact, UIActivityTypeSaveToCameraRoll,
                                    UIActivityTypeAddToReadingList, UIActivityTypePostToFlickr,
                                    UIActivityTypePostToVimeo, UIActivityTypePostToTencentWeibo];
    controller.excludedActivityTypes = excludedActivities;
    
    [self presentViewController:controller animated:YES completion:nil];

先导入系统自带的框架

#import <Social/Social.h>  

1. -(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event  
2. {  
3.     // 1.判断平台是否可用  
4.     if (![SLComposeViewController isAvailableForServiceType:SLServiceTypeSinaWeibo]) {  
5.         NSLog(@"平台不可用，或者没有配置相关的帐号");  
6.         return;  
7.     }  
8.       
9.     // 2.创建分享的控制器  
10.     SLComposeViewController *composeVc = [SLComposeViewController composeViewControllerForServiceType:SLServiceTypeSinaWeibo];  
11.       
12.     // 2.1.添加分享的文字  
13.     [composeVc setInitialText:@"balabalabala..."];  
14.       
15.     // 2.2.添加一个图片  
16.     [composeVc addImage:[UIImage imageNamed:@"图片名"]];  
17.       
18.     // 2.3.添加一个链接  
19.     [composeVc addURL:[NSURL URLWithString:@"blog.csdn.net/lincsdnnet"]];  
20.       
21.     // 3.弹出分享控制器（以Modal形式弹出）  
22.     [self presentViewController:composeVc animated:YES completion:nil];  
23.       
24.       
25.     // 4.监听用户点击了取消还是发送  
26.     /* 
27.      SLComposeViewControllerResultCancelled, 
28.      SLComposeViewControllerResultDone 
29.      */  
30.     composeVc.completionHandler = ^(SLComposeViewControllerResult result){  
31.         if (result == SLComposeViewControllerResultCancelled) {  
32.             NSLog(@"点击了取消");  
33.         } else {  
34.             NSLog(@"点击了发送");  
35.         }  
36.     };  
37. }