切换根控制器UIApplication 主屏幕UIScreen 读取文件资源NSBundle
1 //主屏幕设为webView 2 CGRect frame = [UIScreen mainScreen].applicationFrame; 3 UIWebView *webView = [[[UIWebView alloc] initWithFrame:frame] autorelease]; 4 self.view = webView;
1 UIApplication *app = [UIApplication sharedApplication]; 2 // 显示状态栏 3 app.statusBarHidden = NO; 4 ChangeController *index = [[ChangeController alloc] init]; 5 // 设置窗口的根控制器 6 app.keyWindow.rootViewController = index; 7 [index release];
1 //回到根控制器 2 popToRootViewControllerAnimationed:YES
3 //返回
4 popViewControllerAnimated
id key = (id)kCFBundleVersionKey;
1 // 检测是否第一次使用这个版本 info.plist 2 NSDictionary *info = [NSBundle mainBundle].infoDictionary; 3 NSString *currentVersion = [info objectForKey:key]; 4 5 // 从沙盒中取出版本号 6 NSUserDefaults *defaults =[NSUserDefaults standardUserDefaults]; 7 NSString *saveVersion = [defaults objectForKey:key];
1 //获取图片 2 NSString *path = [[NSBuddle mainBuddle] pathForResource:@"resourceName" oftype@"plist"]; 3 UIImage *image = [[UIImage imageWithContentsOfFile:path]; 4 UIImage *image = [UIImage imageNamed:@"imageName"]; 5 6 //获取plist文件 7 NSArray *array =[[NSArrayalloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"name" ofType:@"plist"]]; 8 NSDictionary *dict=[array objectAtIndex:index];
