*************HMAppDelegate.m中
@implementation HMAppDelegate - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
// Override point for customization after application launch.
self.window.backgroundColor = [UIColor whiteColor]; //storyboard
[self vcFromStoryboard]; //代码
// HMOneViewController *vc = [[HMOneViewController alloc] init];
// vc.view.backgroundColor = [UIColor grayColor];
//
// self.window.rootViewController = vc; //xib
HMThreeViewController *threeVc = [[HMThreeViewController alloc] initWithNibName:@"Three168" bundle:nil];
self.window.rootViewController = threeVc;
[self.window makeKeyAndVisible];
return YES;
} //来自storyboard控制器
-(void)vcFromStoryboard{
//设置UIWindow根控制器 //第一方法 从storyboard获取控制器
//1.1获取storyboard对象
UIStoryboard *storyboard = [UIStoryboard storyboardWithName:@"Test" bundle:nil]; //1.2获取storyboard的第一个控制器(箭头所指的控制器)
//UIViewController *vc = [storyboard instantiateInitialViewController]; //获取storyborad指定id的控制器
UIViewController *vc = [storyboard instantiateViewControllerWithIdentifier:@"SecordVC"]; NSLog(@"%@",vc); //1.3设置窗口的根控制器
self.window.rootViewController = vc;
}
***第一个view的创建
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
// Override point for customization after application launch.
self.window.backgroundColor = [UIColor purpleColor]; //HMOneViewController *oneVc = [[HMOneViewController alloc] initWithNibName:@"OneView168" bundle:nil]; //HMOneViewController *oneVc = [[HMOneViewController alloc] initWithNibName:@"HMOneView" bundle:nil]; //1.如果没有指定xib ,默认会查找与控制器名Controller以前的文字的xib（HMOneView.xib）
//2.如果没有HMOneView.xib 接着就找与控制器同名xib(HMOneViewController.xib)
//3.如果没有找与控制器同名的xib,自己创建一个空白view
// UIView *view = [UIView allloc] init]; oneVc.view = view HMOneViewController *oneVc = [[HMOneViewController alloc] init];
self.window.rootViewController = oneVc;
NSLog(@"aaaaaaaaaa");
[self.window makeKeyAndVisible];
NSLog(@"bbbbbbbbbb"); //viewDidLoad
//aaaaa
//bbbbb //aaaaa
//viewDidLoad
//bbbbb return YES;
}