MessageUI Snippet

Send email
----------

- (IBAction)btFeedback:(id)sender {
    
    if ([MFMailComposeViewController canSendMail]) {
        
        NSString *infoString =
        [NSString stringWithFormat:@"\n\nUserid: %@ \nUsername: %@ \nIsPush enabled: %@",
         _userId,
         _userName,
         [[NSUserDefaults standardUserDefaults] objectForKey:@"deviceToken" ]];
        
        MFMailComposeViewController* viewController = [[MFMailComposeViewController alloc] init];
        viewController.mailComposeDelegate = (id)self;
        
        [viewController setSubject:@"Subject"];
        [viewController setMessageBody:infoString isHTML:NO];
        [viewController setToRecipients:[NSArray arrayWithObject:@"[email protected]"]];
        [_actualView presentViewController:viewController animated:YES completion:nil];
    }
}

- inserting delegate method
- (void) mailComposeController:(MFMailComposeViewController *)controller didFinishWithResult:(MFMailComposeResult)result error:(NSError *)error
{
    switch (result)
    {
        case MFMailComposeResultCancelled:
            NSLog(@"Mail cancelled");
            break;
        case MFMailComposeResultSaved:
            NSLog(@"Mail saved");
            break;
        case MFMailComposeResultSent:
            NSLog(@"Mail sent");
            break;
        case MFMailComposeResultFailed:
            NSLog(@"Mail sent failure: %@", [error localizedDescription]);
            break;
        default:
            break;
    }
    
    // Close the Mail Interface
    [_actualView dismissViewControllerAnimated:YES completion:NULL];
}