// Import TapUIRoomListViewController
#import <TapTalk/TapUIRoomListViewController.h>
#import <TapTalk/TapUI.h>
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
//Initialize TapTalk.io room list view controller here
TapUIRoomListViewController *roomListViewController = [[TapUI sharedInstance] roomListViewController];
UINavigationController *roomListNavigationController = [[UINavigationController alloc] initWithRootViewController:roomListViewController];
//You can choose to present or push view controller using this code
[self presentViewController:roomListViewController animated:YES completion:^{
[self.navigationController pushViewController:roomListNavigationController animated:YES];
//Or you can add to your window root view controller
self.window.rootViewController = roomListNavigationController;