为整个应用设置绝对背景
Set Absolute Background for Entire App
我想为我的应用放置一个无论如何都不会移动的绝对背景图片。
我希望看起来好像我的 segues 只是将 destinationViewController
的视图移动到这个背景上,就好像它是一页一样。
我看过这个答案,set background image for entire iPhone / iPad app,但是如前所述,colorWithPatternImage
会吞噬记忆。
我想要 Objective-C 和 Swift 中的答案。
谢谢
最简单的方法是将 UIImageView
添加到根 window 并确保所有其他视图都具有透明背景;
func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
// Override point for customization after application launch.
let window=self.window!
let backgroundView=UIImageView(frame: window.frame)
backgroundView.image=UIImage(named: "Background.JPG")!
window.addSubview(backgroundView)
return true
}
或在Objective-C
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
// Override point for customization after application launch.
UIWindow *window=application.windows.firstObject;
UIImageView *imageView=[[UIImageView alloc] initWithFrame:window.frame];
imageView.image=[UIImage imageNamed:@"Background.jpg"];
[window addSubview:imageView];
return YES;
}
我想为我的应用放置一个无论如何都不会移动的绝对背景图片。
我希望看起来好像我的 segues 只是将 destinationViewController
的视图移动到这个背景上,就好像它是一页一样。
我看过这个答案,set background image for entire iPhone / iPad app,但是如前所述,colorWithPatternImage
会吞噬记忆。
我想要 Objective-C 和 Swift 中的答案。
谢谢
最简单的方法是将 UIImageView
添加到根 window 并确保所有其他视图都具有透明背景;
func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
// Override point for customization after application launch.
let window=self.window!
let backgroundView=UIImageView(frame: window.frame)
backgroundView.image=UIImage(named: "Background.JPG")!
window.addSubview(backgroundView)
return true
}
或在Objective-C
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
// Override point for customization after application launch.
UIWindow *window=application.windows.firstObject;
UIImageView *imageView=[[UIImageView alloc] initWithFrame:window.frame];
imageView.image=[UIImage imageNamed:@"Background.jpg"];
[window addSubview:imageView];
return YES;
}