The simplest way to make Split Controller in Tab Bar Controller

Here is the simplest way to make Split Controller in Ta Bar Controller.

１. Use Template SplitViewController to Make a project named TemplateSplit and compile it.

２. Use Template TabBarController to make a project named SplitInTabBar and compile it.

３. Add files RootViewController.*, DetailViewController.*, DetailView.xib of project TemplateSplit to project SPlitInTabBar.

４. Add a new tab in project SplitInTabBar.

５. Add code as below to file SplitInTabBarAppDelegate.h.

Code:

#import <UIKit/UIKit.h>

[B]@class RootViewController;
@class DetailViewController;[/B]

@interface SplitInTabBarAppDelegate : NSObject <UIApplicationDelegate, UITabBarControllerDelegate> {
    UIWindow *window;
    UITabBarController *tabBarController;
[B]    UISplitViewController *splitViewController;
    RootViewController *rootViewController;
    DetailViewController *detailViewController;[/B]
}

@property (nonatomic, retain) IBOutlet UIWindow *window;
@property (nonatomic, retain) IBOutlet UITabBarController *tabBarController;
[B]@property (nonatomic, retain) IBOutlet UISplitViewController *splitViewController;
@property (nonatomic, retain) IBOutlet RootViewController *rootViewController;
@property (nonatomic, retain) IBOutlet DetailViewController *detailViewController;[/B]

@end

６。Add code as below to file SplitInTabBarAppDelegate.m.

Code:

#import "SplitInTabBarAppDelegate.h"
[B]#import "RootViewController.h"
#import "DetailViewController.h"[/B]

@implementation SplitInTabBarAppDelegate

@synthesize window;
@synthesize tabBarController;
[B]@synthesize splitViewController;
@synthesize rootViewController;
@synthesize detailViewController;[/B]

#pragma mark -
#pragma mark Application lifecycle

[B]-(void) makeSplitViewController {
    NSMutableArray *controllers = [NSMutableArray arrayWithArray:tabBarController.viewControllers];
    int index = 0; 
    for (UIViewController *controller in tabBarController.viewControllers) {
        if (index == 2) {
            detailViewController = [[DetailViewController alloc] initWithNibName:@"DetailView" bundle:nil];
            rootViewController = [[RootViewController alloc] initWithStyle:UITableViewStylePlain];
            rootViewController.detailViewController = detailViewController;
            rootViewController.navigationItem.title = @"List";
            UINavigationController *nav = [[[UINavigationController alloc] initWithRootViewController:rootViewController] autorelease];
            splitViewController = [[UISplitViewController alloc] init];
            splitViewController.tabBarItem = controller.tabBarItem;
            splitViewController.viewControllers = [NSArray arrayWithObjects:nav, detailViewController, nil];
            splitViewController.delegate = detailViewController;
            [controllers replaceObjectAtIndex:index withObject:splitViewController];
        }
        index++;
    }
    tabBarController.viewControllers = controllers;
}[/B]

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {    
    // Override point for customization after app launch.
    [B][self makeSplitViewController];[/B]
    
    // Add the tab bar controller's current view as a subview of the window
    [window addSubview:tabBarController.view];
    [window makeKeyAndVisible];
    
    return YES;
}

 

７. Now compile project SplitInTabBar and you got Split Controller in Tab Bar Controller.