show mail composer

gistfile1.m

-(void)showMailComposer
{
    if ([MFMailComposeViewController canSendMail])
    {
        MFMailComposeViewController *mailComposeViewController = [[MFMailComposeViewController alloc] init];
        mailComposeViewController.mailComposeDelegate = self;
        [mailComposeViewController setSubject:@"My subject"];
        [mailComposeViewController setMessageBody:@"Please check log file in attachment" isHTML:NO];

        NSData *dataToSend = [Logger logFileData];
        [mailComposeViewController addAttachmentData:dataToSend mimeType:@"text/plain" fileName:@"logger.txt"];

        [self.navigationController presentViewController:mailComposeViewController animated:YES completion:nil];
    }
    else
    {
        [[[UIAlertView alloc] initWithTitle:@"Cant send log"
                                     message:@"Sorry, there is no email accounts on this device."
                                    delegate:nil
                           cancelButtonTitle:@"Ok"
                           otherButtonTitles:nil] show];
    }
}


- (void)mailComposeController:(MFMailComposeViewController*)controller
          didFinishWithResult:(MFMailComposeResult)result
                        error:(NSError*)error;
{
    if (result == MFMailComposeResultSent)
    {
        NSLog(@"It's away!");
        [Logger clearLogFile];
    }
    [self.navigationController dismissViewControllerAnimated:YES completion:nil];

}