如何在MFMailComposeViewController中设置?

Har*_*ode 8 objective-c ios

如何在MFMailComposeViewController?中设置起始地址?

MFMailComposeViewController *controller = [[MFMailComposeViewController alloc] init];
controller.mailComposeDelegate = self;
[controller setSubject:@"In app email..."];
[controller setMessageBody:@"To FirstName LastName: " isHTML:NO];

// Set up recipients
NSArray *toRecipients = [NSArray arrayWithObject:@"eamil@somemail.com"]; // (NSString *) [feed valueForKey:@"email"]]; 
[controller setToRecipients:toRecipients];
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Bri*_*oll 10

使用"发件人"字段无法实现所需的操作.来自地址将默认为用户在"设置"中指定为"默认"的任何邮件帐户.显然,如果用户只设置了一个邮件帐户,那么它就是该帐户.