- (void)showMessageViewWithTel:(NSString *)tel

{

    if( [MFMessageComposeViewController canSendText] ){

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

        controller.recipients = [NSArray arrayWithObject:tel];

        controller.body = @"";

        controller.messageComposeDelegate = self;

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

        [[[[controller viewControllers] lastObject] navigationItem] setTitle:@"测试短信"];//修改短信界面标题

    }else{

        [self alertWithTitle:@"提示信息" msg:@"设备没有短信功能"];

    }

}

//MFMessageComposeViewControllerDelegate

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

    [controller dismissViewControllerAnimated:NO completion:nil];//关键的一句   不能为YES

    switch ( result ) {

        case MessageComposeResultCancelled:

            [self alertWithTitle:@"提示信息" msg:@"发送取消"];

            break;

        case MessageComposeResultFailed:// send failed

            [self alertWithTitle:@"提示信息" msg:@"发送失败"];

            break;

        case MessageComposeResultSent:

            [self alertWithTitle:@"提示信息" msg:@"发送成功"];

            break;

        default:

            break;

    }

}

- (void) alertWithTitle:(NSString *)title msg:(NSString *)msg {

    UIAlertView *alert = [[UIAlertView alloc] initWithTitle:title

                                                    message:msg

                                                   delegate:self

                                          cancelButtonTitle:nil

                                          otherButtonTitles:@"确定", nil];

    [alert show];

}