iOS开发笔记--调用iPhone的短信、地图、电话、邮件、浏览器

MFMessageComposeViewController *picker = [[MFMessageComposeViewController alloc] init];
picker.messageComposeDelegate = self;
picker.recipients = [NSArray arrayWithObject:@"48151623"]; //电话号码
picker.body = @"Body text.";//短信内容
[self presentModalViewController:picker animated:YES];
[picker release];

-(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)openPhone {
// Call Google 411
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"tel://8004664411"]];
}

-(IBAction)openBrowser {
// Lanuch any iPhone developers fav site
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"http://itunesconnect.apple.com"]];
}

-(IBAction)openEmail {
// Fire off an email to apple support
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"mailto://devprograms@apple.com"]];
}