Objective-C

/**
 调用iOS系统的分享

 @param path 文件路径
 @param aSourceView 源视图
 */
- (void)shareWithPath: (NSURL *)path sourceView:(UIView *)aSourceView {

    // 把不需要的UIActivityType都写到excludedActivities中
    NSArray *excludedActivities = @[UIActivityTypePostToTwitter,  // 发送到Twitter
                                    UIActivityTypePostToFacebook, // 发送到Facebook
                                    UIActivityTypePostToWeibo,    // 发送到新浪微博
                                    UIActivityTypePostToFlickr,   // 发送到Flickr
                                    UIActivityTypePostToVimeo,    // 发送到Vimeo
                                    UIActivityTypePostToTencentWeibo,// 发送到腾讯微博
                                    
                                    UIActivityTypeMail,           // 邮件
                                    UIActivityTypeAirDrop,        // AirDrop传输
                                    UIActivityTypeMessage,        // 短信
                                    UIActivityTypePrint,          // 打印
                                    UIActivityTypeCopyToPasteboard,// 拷贝到粘贴板
                                    UIActivityTypeAssignToContact, // 指定到联系人
                                    UIActivityTypeSaveToCameraRoll,// 保存到相机胶卷
                                    UIActivityTypeAddToReadingList,// 添加到阅读列表
                                    UIActivityTypeOpenInIBooks     // 使用Books打开
                                    ];

    // 初始化分享控制器
    UIActivityViewController *controller = [[UIActivityViewController alloc] initWithActivityItems:@[path] applicationActivities:nil];
    
    // 设置排除类型
    controller.excludedActivityTypes = excludedActivities;
    
    // 处理分享回调, 如果不需要可以设置可以为nil
    controller.completionWithItemsHandler = ^(UIActivityType  _Nullable activityType, BOOL completed, NSArray * _Nullable returnedItems, NSError * _Nullable activityError) {
        
        NSLog(@"activityType=%@", activityType);
        NSLog(@"completed=%d", completed);
        NSLog(@"returnedItems=%@", returnedItems);
        NSLog(@"activityError=%@", activityError);
    };
    
    // 适配iPad,否则会carsh
    if ([UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPad) {
        
        controller.popoverPresentationController.sourceView = aSourceView;
    }
    
    // 显示分享控制器
    [self presentViewController:controller animated:YES completion:nil];
}

使用

- (IBAction)share:(UIButton *)sender {
    
    NSURL *path = [[NSBundle mainBundle] URLForResource:@"bkg" withExtension:@"png"];
    [self shareWithPath:path sourceView:sender];
}

Swift

/// 调用iOS系统的分享
///
/// - Parameters:
///   - withPath: 文件路径
///   - sourceView: 源视图
func share(withPath: URL, sourceView: UIView) {
    
    /// 把不需要的UIActivityType都写到excludedActivities中
    let excludedActivities: [UIActivityType] = [
        .postToTwitter,      // 发送到Twitter
        .postToFacebook,     // 发送到Facebook
        //.postToWeibo,        // 发送到新浪微博
        .postToFlickr,       // 发送到Flickr
        .postToVimeo,        // 发送到Vimeo
        //.postToTencentWeibo, // 发送到腾讯微博
        
        //.mail,               // 邮件
        .airDrop,            // AirDrop传输
        //.message,            // 短信
        .print,              // 打印
        .copyToPasteboard,   // 拷贝到粘贴板
        .assignToContact,    // 指定到联系人
        //.saveToCameraRoll,   // 保存到相机胶卷
        .addToReadingList,   // 添加到阅读列表
        .openInIBooks        // 使用Books打开
    ]
    
    /// 初始化分享控制器
    let controller = UIActivityViewController(activityItems: [withPath], applicationActivities: nil)
    
    /// 设置排除类型
    controller.excludedActivityTypes = excludedActivities
    
    /// 处理分享回调, 如果不需要可以设置可以为nil
    controller.completionWithItemsHandler = {
        (activityType: UIActivityType?, completed: Bool, returnedItems: [Any]?, activityError: Error?) in
        
        }
    
    /// 适配iPad,否则会carsh
    if UIDevice.current.userInterfaceIdiom == .pad {
        
        controller.popoverPresentationController?.sourceView = sourceView
    }
 
    /// 显示分享控制器
    present(controller, animated: true, completion: nil)
}

使用

@IBAction func share(_ sender: UIButton) {
    
    let path = Bundle.main.url(forResource: "myImage", withExtension: "png")!
    share(withPath: path, sourceView: sender)
}

效果图