調用iphone地圖、電話、郵件、簡訊及內容方法

　　代碼如下

　　-(IBAction)openMaps {

　　// Where is Apple on the map anyway?

　　NSString* addressText = @"1 Infinite Loop, Cupertino, CA 95014";

　　// URL encode the spaces

　　addressText = [addressText stringByAddingPercentEscapesUsingEncoding: NSASCIIStringEncoding];

　　NSString* urlText = [NSString stringWithFormat:@"http://maps.google.com/maps?q=%@", addressText];

　　// lets throw this text on the log so we can view the url in the event we have an issue

　　NSLog(urlText);

　　[[UIApplication sharedApplication] openURL:[NSURL URLWithString:urlText]];

　　}

　　-(IBAction)openEmail {

　　// Fire off an email to apple support

　　[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"mailto://devprograms@apple.com"]];

　　}

　　-(IBAction)openPhone {

　　// Call Google 411

　　[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"tel://8004664411"]];

　　}

　　-(IBAction)openSms {

　　// Text to Google SMS

　　[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"sms://466453"]];

　　}

　　-(IBAction)openBrowser {

　　// Lanuch any iPhone developers fav site

　　[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"http://itunesconnect.apple.com"]];

　　}

　　//自動填寫簡訊內容

　　代碼如下

　　MFMessageComposeViewController *picker = [[MFMessageComposeViewController alloc] init];

　　picker.messageComposeDelegate = self;

　　picker.recipients = [NSArray arrayWithObject:@"48151623"];

　　picker.body = @"Body text.";

　　[self presentModalViewController:picker animated:YES];

　　[picker release];