Email in iPhone

Question

Ich bin neu auf dem iPhone. Ich werde E-Mail-Funktionalität implementieren. Ich muss Kontakte hinzufügen, die auf einem Button Click Event erscheinen. Unter der Liste der Kontakte wähle ich einen Kontakt und es wird auf Adressfeld platziert. Wie kann ich das machen?

Kann mir jemand einen Beispielcode schicken?

Vielen Dank im Voraus.

Answer 1

Mit diesem Code wird dies auf jeden Fall funktionieren,

-(IBAction)send{ 
[self callMailComposer]; 
} 

-(void)callMailComposer{ 
Class mailClass = (NSClassFromString(@"MFMailComposeViewController")); 
if (mailClass != nil) 
{ 
    // We must always check whether the current device is configured for  sending emails 
    if ([mailClass canSendMail]) 
     [self displayComposerSheet]; 
    else 
     [self launchMailAppOnDevice]; 
} 

else 
{ 
    [self launchMailAppOnDevice]; 
} 
} 

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// Displays an email composition interface inside the application. Populates all the Mail fields. 

-(void)displayComposerSheet 
{ 
MFMailComposeViewController *picker = [[MFMailComposeViewController alloc] init]; 


picker.mailComposeDelegate = self; 
NSString *tosubject =@""; 
[picker setSubject:tosubject]; 


// Set up recipients 
[picker setCcRecipients:nil]; 
[picker setBccRecipients:nil]; 

[picker setToRecipients:nil]; 



[picker setMessageBody:strNewsLink isHTML:NO]; 

[self presentModalViewController:picker animated:YES]; 

if(picker) [picker release]; 
if(picker) picker=nil; 

}

// Dismisses the email composition interface when users tap Cancel or Send. Proceeds to update the message field with the result of the operation. 

    - (void)mailComposeController:(MFMailComposeViewController*)controller     didFinishWithResult:(MFMailComposeResult)result error:(NSError*)error 
{ 
//message.hidden = NO; 
// Notifies users about errors associated with the interface 
switch (result) 
{ 
    case MFMailComposeResultCancelled: 
     [UIAlertView showAlertViewWithTitle:@"Canes Crunch" message:@"You have Cancelled of sending e-mail"]; 

     break; 
    case MFMailComposeResultSaved: 
     [UIAlertView showAlertViewWithTitle:@"Canes Crunch" message:@"Your e-mail has been saved successfully"]; 

     break; 
    case MFMailComposeResultSent: 
     [UIAlertView showAlertViewWithTitle:@"Canes Crunch" message:@"Your e-mail has been sent successfully"]; 

     break; 
    case MFMailComposeResultFailed: 
     [UIAlertView showAlertViewWithTitle:@"Canes Crunch" message:@"Failed to send e-mail"]; 

     break; 
    default: 
     [UIAlertView showAlertViewWithTitle:@"Canes Crunch" message:@"E-mail Not Sent"]; 

     break; 
} 
[self dismissModalViewControllerAnimated:YES]; 

}

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// Launches the Mail application on the device. 
-(void)launchMailAppOnDevice 
{ 

NSString *recipients = @"mailto:?cc=&subject="; 
NSString *body = @"&body="; 
NSString *email = [NSString stringWithFormat:@"%@%@", recipients, body]; 
email = [email stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]; 
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:email]]; 

}