Question

我正在使用带有UITextView.code的dataDetectorTypes属性。

当我点击链接电子邮件时，编辑器出现预先填写的收件人：[电子邮件地址]，但我想设置默认主题：[主题字符串]。

我该怎么做？

Answer 1

1）拳头将<UITextViewDelegate, MFMailComposeViewControllerDelegate>添加到包含textview的类中。

您必须向此类添加两个导入：

#import <MessageUI/MessageUI.h>
#import <MessageUI/MFMailComposeViewController.h>

2）添加变量：MFMailComposeViewController（在此示例中为mailVC，您也可以将其添加为.h中的类属性）

3）实施下一个方法：

- (BOOL)textView:(UITextView *)textView shouldInteractWithURL:(NSURL *)URL inRange:(NSRange)characterRange

这允许拦截特定的URL交互。您可以取消特定的互动并添加自己的操作，例如：

-(BOOL)textView:(UITextView *)textView shouldInteractWithURL:(NSURL *)URL inRange:(NSRange)characterRange{
   //EXAMPLE CODE
    if ([[URL scheme] isEqualToString:@"mailto"]) {

        mailVC = [[MFMailComposeViewController alloc] init];
        [mailVC setToRecipients:@[@"your@destinationMail.com"]];
        [mailVC setSubject:@"A subject"];
        mailVC.mailComposeDelegate = self;

        [self presentViewController:mailVC animated:YES completion:^{
           // [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleLightContent];
        }];
        return NO;
    }
    return YES;
}

3）关闭你的MFMailComposeViewController变量：

-(void)mailComposeController:(MFMailComposeViewController *)controller didFinishWithResult:(MFMailComposeResult)result error:(NSError *)error{
    [mailVC dismissViewControllerAnimated:YES completion:nil];
}

这对我有用！

Answer 2

    MFMailComposeViewController *mailController =    [[MFMailComposeViewController alloc] init]; 

   mailController.mailComposeDelegate = self;

if([MFMailComposeViewController canSendMail]){
    [mailController setSubject:@"Subject"];
    [mailController setMessageBody:@"Email body here" isHTML:NO]; 
    [mailController setMessageBody:[self getInFo] isHTML:YES]; 
    [mailController setToRecipients:[NSArray arrayWithObject:@"xx@xxx.com"]];
    [mailController setTitle:@"Title"];

    [self presentModalViewController:mailController animated:YES]; 
}else{
    [mailController release];
}

单击电子邮件地址时设置默认主题

2 个答案: