发送指内容的短信

 #import "ViewController.h"

#import <MessageUI/MessageUI.h>

 

@interface ViewController ()<MFMessageComposeViewControllerDelegate> 

@end

 

@implementation ViewController

- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event

{

    if ([MFMessageComposeViewController canSendText]) {

        MFMessageComposeViewController *controller = [[MFMessageComposeViewController alloc] init];

        controller.recipients = [NSArray arrayWithObject:@"13888888888"];//指定发送人

        controller.body = @"发送短信验证";//指定发送内容

        controller.messageComposeDelegate = self;//设置代理

        [self presentViewController:controller animated:YES completion:^{

            //修改短信界面标题

            [[[[controller  viewControllers]lastObject]navigationItem ]setTitle:@"修改短信界面"];

        }];

    }else{

        UIAlertController *alertVC = [UIAlertController alertControllerWithTitle:@"警告" message:@"该设备不支持发送" preferredStyle:UIAlertControllerStyleAlert];

        UIAlertAction *action = [UIAlertAction actionWithTitle:@"acton" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {

            return ;

        }];

        [alertVC addAction:action];

        [self presentViewController:alertVC animated:YES completion:nil];

    }

}

 

- (void)messageComposeViewController:(MFMessageComposeViewController *)controller didFinishWithResult:(MessageComposeResult)result

{

    [controller dismissViewControllerAnimated:NO completion:nil];

       switch ( result ) {

        case MessageComposeResultCancelled:

        {

            //click cancel button

            NSLog(@"取消发送");

        }

            break;

        case MessageComposeResultFailed:// send failed

        {

            NSLog(@"发送失败");

        }

            break;

        case MessageComposeResultSent:

        {

            //do something

            NSLog(@"已发送出去了");

        }

            break;

        default:

            break;

    }

}

 

@end