短信验证

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1 首先新建项目

导入MessageUI.framework包

2引入头文件

#import <MessageUI/MessageUI.h>

3 在.m文件中

首先新建一个按钮

UIButton *button = [[UIButton alloc]initWithFrame:CGRectMake(100, 100, 100, 50)];
    [button setTitle:@"发送" forState:UIControlStateNormal];
    button.backgroundColor = [UIColor redColor];
    [self.view addSubview:button];
    [button addTarget:self action:@selector(buttonAction) forControlEvents:UIControlEventTouchUpInside];

-(void)buttonAction{


    BOOL canSendSMS = [MFMessageComposeViewController canSendText];
    if (canSendSMS) {
        //创建短信视图控制器
        MFMessageComposeViewController *piker = [[MFMessageComposeViewController alloc]init];
        //设置代理
        piker.messageComposeDelegate = self;
        //设置短信内容
        piker.body = @"你好啊";
        //设置电话
        piker.recipients = [NSArray arrayWithObject:@"1566212****"];
        //打开短信功能
        [self presentViewController:piker animated:YES completion:^{


        }];


    }

}

实现协议方法

-(void)messageComposeViewController:(MFMessageComposeViewController *)controller didFinishWithResult:(MessageComposeResult)result{
    switch (result) {
        case MessageComposeResultCancelled:
            NSLog(@"Result:canceled");
            break;
        case MessageComposeResultSent:
            NSLog(@"Result:Sent");
            break;
        case MessageComposeResultFailed:
            NSLog(@"Result:Filed");
            break;

        default:
            break;
    }

    [self dismissViewControllerAnimated:YES completion:^{


    }];
}

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