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Display Email Composer on iPhone SDK

/ Published in: Objective C
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  1. // Displays an email composition interface inside the application. Populates all the Mail fields. 
  2. - (void) displayComposerSheet:(NSString *)body {
  3.  
  4. 	MFMailComposeViewController *tempMailCompose = [[MFMailComposeViewController alloc] init];
  5.  
  6. 	tempMailCompose.mailComposeDelegate = self;
  7.  
  8. 	//[tempMailCompose setToRecipients:[NSArray arrayWithObject:@"[email protected]"]];
  9. 	//[tempMailCompose setCcRecipients:[NSArray arrayWithObject:@"[email protected]"]];
  10. 	[tempMailCompose setSubject:@"iPhone App recommendation"];
  11. 	[tempMailCompose setMessageBody:body isHTML:NO];
  12.  
  13. 	[self presentModalViewController:tempMailCompose animated:YES];
  14.     [tempMailCompose release];
  15. }
  16.  
  17. // Dismisses the email composition interface when users tap Cancel or Send. Proceeds to update the message field with the result of the operation.
  18. - (void)mailComposeController:(MFMailComposeViewController*)controller didFinishWithResult:(MFMailComposeResult)result error:(NSError*)error {	
  19. 	// Notifies users about errors associated with the interface
  20. 	switch (result)
  21. 	{
  22. 		case MFMailComposeResultCancelled:
  23. 			NSLog(@"Result: canceled");
  24. 			break;
  25. 		case MFMailComposeResultSaved:
  26. 			NSLog(@"Result: saved");
  27. 			break;
  28. 		case MFMailComposeResultSent:
  29. 			NSLog(@"Result: sent");
  30. 			break;
  31. 		case MFMailComposeResultFailed:
  32. 			NSLog(@"Result: failed");
  33. 			break;
  34. 		default:
  35. 			NSLog(@"Result: not sent");
  36. 			break;
  37. 	}
  38. 	[self dismissModalViewControllerAnimated:YES];
  39. }
  40.  
  41. // Launches the Mail application on the device. Workaround
  42. -(void)launchMailAppOnDevice:(NSString *)body{
  43. 	NSString *recipients = [NSString stringWithFormat:@"mailto:%@?subject=%@", @"[email protected]", @"iPhone App recommendation"];
  44. 	NSString *mailBody = [NSString stringWithFormat:@"&body=%@", body];
  45.  
  46. 	NSString *email = [NSString stringWithFormat:@"%@%@", recipients, mailBody];
  47. 	email = [email stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
  48.  
  49. 	[[UIApplication sharedApplication] openURL:[NSURL URLWithString:email]];
  50. }
  51.  
  52. // Call this method and pass parameters
  53. -(void) showComposer:(id)sender{
  54. 	Class mailClass = (NSClassFromString(@"MFMailComposeViewController"));
  55. 	if (mailClass != nil){
  56. 		// We must always check whether the current device is configured for sending emails
  57. 		if ([mailClass canSendMail]){
  58. 			[self displayComposerSheet:sender];
  59. 		}else{
  60. 			[self launchMailAppOnDevice:sender];
  61. 		}
  62. 	}else{
  63. 		[self launchMailAppOnDevice:sender];
  64. 	}
  65. }

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