一,工程图。
二,代码。
AppDelegate.m
#import "AppDelegate.h"
#import "RootViewController.h"
#import "NdUncaughtExceptionHandler.h"@implementation AppDelegate- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
// Override point for customization after application launch. RootViewController *rootVC=[[RootViewController alloc]init];
UINavigationController *nav=[[UINavigationController alloc]initWithRootViewController:rootVC];
self.window.rootViewController=nav; //使用方法
[NdUncaughtExceptionHandler setDefaultHandler]; self.window.backgroundColor = [UIColor whiteColor];
[self.window makeKeyAndVisible];
return YES;
}