目标C:发送包含主题和正文以及切换应用的电子邮件

Ron*_*ann 4 mailto objective-c subject document-body

我想发送主题和正文的电子邮件.

这是我现在的代码,它按预期工作.它离开了我的应用并在Mail中创建了一条新消息.

[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"mailto:wettbewerb@neunfornkunst.ch"]];
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但是,我想创建更复杂的消息,包括主题和正文,如下所示:[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"mailto:wettbewerb@neunfornkunst.ch?subject = my Subject?body = my Body"]];

一旦我添加主题,它什么都不做.
知道我做错了吗?

nit*_*tha 8

你可以尝试一下.

    MFMailComposeViewController *mcvc = [[MFMailComposeViewController alloc] init];
    mcvc.mailComposeDelegate = self;
    NSString *toAddress = //recepient_name_here;
    [mcvc setToRecipients:[NSArray arrayWithObjects:toAddress,nil]];
    [mcvc setSubject:subject];
    [mcvc setMessageBody:emailBody isHTML:NO];
    [mcvc addAttachmentData:ifAny mimeType:@"application/pdf" fileName:fileName];
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