ios 更改 iPhone 启动画面时间
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Change iPhone splash screen time
提问by iOS developer
How would I make the splash screen stay for longer, 5 seconds, for example?
例如，我如何让启动画面停留更长时间，例如 5 秒？
回答by Dhara
Write sleep(5.0)in your
写sleep(5.0)在你的
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptionsmethod.
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions方法。
回答by HelmiB
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
/*this will pause main thread for x interval seconds.
put on the top of application:didFinishLaunchingWithOptions, so it will not
proceed to show window until sleep interval is finished.*/
[NSThread sleepForTimeInterval:5]; //add 5 seconds longer.
//other code....
}
回答by iamsult
You need to create a view controller for displaying the splash screen as done below.
您需要创建一个视图控制器来显示启动画面，如下所示。
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
[self generateRandomSplashScreen];
[self performSelector:@selector(removeSplashScreen) withObject:nil afterDelay:SPLASHSCREEN_DELAY];
[self otherViewControllerLoad]; // the other view controller
[self.window makeKeyAndVisible];
return YES;
}
-(void) generateRandomSplashScreen
{
splashScreenViewController = [[SplashScreenController alloc] initWithNibName:@"SplashScreenController" bundle:[NSBundle mainBundle]];
[self.window addSubview:self.splashScreenViewController.view];
}
-(void) removeSplashScreen
{
[splashScreenViewController.view removeFromSuperview];
self.window.rootViewController = self.tabBarController;
[splashScreenViewController release];
}
回答by Micha? Zygar
Probably the splash screen you are talking about is "default.png" file. As JustSid mentioned, this file is not intended to be splash screen, rather to be used as a first screen snapshot to improve user experience concerning application loading time. Check human interface guideline
您正在谈论的启动画面可能是“default.png”文件。正如 JustSid 所提到的，这个文件不是作为启动画面，而是用作第一个屏幕快照，以改善有关应用程序加载时间的用户体验。检查人机界面指南
If you want to implement splashscreen, you should use ie. NSTimer and UIView components.
如果你想实现闪屏，你应该使用 ie。NSTimer 和 UIView 组件。
