//AppDelegate.h 头文件 #import <UIKit/UIKit.h>@class SwitchViewController;@interface AppDelegate : UIResponder <UIApplicationDelegate>{ UIApplication *mApp; //新建一个UIApplication对象}@property (strong, nonatomic) UIWindow *window;@property (nonatomic, retain) SwitchViewController *switchViewController; //为窗口转换的类@end#import "AppDelegate.h"#import "SwitchViewController.h"@implementation AppDelegate@synthesize window = _window;@synthesize switchViewController;- (void)dealloc{ [_window release]; [switchViewController release]; mApp.idleTimerDisabled = NO; [super dealloc];}- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions{ self.window = [[[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] autorelease]; //初始化 switchViewController = [[SwitchViewController alloc]init]; //这两句话效果一样 //[[self window]setRootViewController:switchViewController]; self.window.rootViewController = self.switchViewController; [switchViewController release]; mApp = application; application.idleTimerDisabled = YES; [[self window]makeKeyAndVisible]; //或[self.window makeKeyAndVisible]; return YES; }@end
//SwitchViewController 类头文件。集中实现窗口跳转#import <UIKit/UIKit.h>#import "ViewTestone.h"#import "ViewController.h"@class ViewTestone; //View@class ViewController; //Viewtypedef int RequestId;enum REQUESTVIEW { REQUEST_TESTONEVIEW,};@interface SwitchViewController :UIViewController{ }@property (nonatomic, retain)ViewTestone *viewTestone;@property (nonatomic, retain) UIViewController *previousViewController;@property (nonatomic, retain)ViewController *viewController;-(void)switchToView:(RequestId)requestId;-(void)gotoTestoneView; //跳转到TestoneView@end//SwitchViewController.m 文件#import "SwitchViewController.h"@implementation SwitchViewController{ }@synthesize viewTestone;@synthesize previousViewController;@synthesize viewController;//当程序加载完AppDelegate里的 didFinishLaunchingWithOptions 方法后就会跳到这里 .下面可把ViewController实现为默认的View加载-(void)viewDidLoad{ NSLog(@"----------"); if(self.viewController ==nil) { //新建VIEWCONTRollerr 的一个对象 ViewController *viewcontroll = [[ViewController alloc]initWithNibName:@"ViewConTroller" bundle:nil]; self.viewController = viewcontroll; [viewcontroll release]; } [self.view insertSubview:viewController.view atIndex:0]; self.previousViewController = self.viewController;}-(void)viewDidUnload{ self.viewController = nil; self.viewTestone = nil; [super viewDidLoad];}-(void)dealloc{ [viewTestone release]; [viewController release]; [super dealloc];}//下面具体实现view之间的跳转。一般的程序都会有很多个这样的窗口跳转。所以把它们集中在一个公共的类里面这样会拿的代码看上去很简洁。明了，-(void)switchToView:(RequestId)requestId{ switch (requestId) { case REQUEST_TESTONEVIEW: [self gotoTestoneView]; break; //.................... default: break; }}//这就到了具体到某一个窗口之间的跳转了。-(void)gotoTestoneView{ NSLog(@"test ok~"); if(self.viewTestone ==nil) { ViewTestone *testOneView = [[ViewTestone alloc]initWithNibName:@"ViewTestone" bundle:nil]; self.viewTestone = testOneView; [testOneView release]; } if(self.previousViewController.view.superview !=nil) { [previousViewController.view removeFromSuperview]; } [self.view insertSubview:viewTestone.view atIndex:0]; self.previousViewController = [self viewTestone];}@end//具体的实现方法。。应用～-(void)addButtonToNewView{ //新建一个按键 UIButton *toviewBtn = [UIButton buttonWithType:UIButtonTypeCustom]; //设置按钮的背景颜色 UIControlStateNormal按钮按之前的颜色 UIControlStateHighlighted反之 [toviewBtn setImage:[UIImage imageNamed:@"v_exit.png"]forState:UIControlStateNormal ] ; //CGRect r; //r = CGRectMake(120, 300, 100, 30); //设置按钮的大小 toviewBtn.frame = CGRectMake(120, 300, 100, 30);; //为按钮添加事件 [toviewBtn addTarget:self action:@selector(toOntViewPress:) forControlEvents:UIControlEventTouchUpInside]; //加载到当前的view [self.view addSubview:toviewBtn];}-(void)toOntViewPress:(id)sender{ NSLog(@"successfull"); //前面长长的AppDelegate SwitchViewController 都是为了下面这两句话。两句话就可以轻松的跳转到你想要去的页面。这样就显得很方便。 AppDelegate *app = [[UIApplication sharedApplication]delegate]; [app.switchViewController switchToView:0];}
