sharedApplication].windows[i]; if (window.frame.size.width == [UIApplication sharedApplication].keyWindow.size.width...&& window.frame.size.height == [UIApplication sharedApplication].keyWindow.size.height) {...中添加其它内容,可以直接修改为UIApplication sharedApplication.keyWindow,或者对window的hidden属性进行判断,向下遍历直到获得可以显示出来的全屏window...sharedApplication].windows[i]; if (window.frame.size.width == [UIApplication sharedApplication].keyWindow.size.width...&& window.frame.size.height == [UIApplication sharedApplication].keyWindow.size.height &&
后来改变过显示状态(如.hidden=NO,makeKeyAndVisible等),而且又没有 设将其设置为keyWindow,结果导致正在显示的UIWindow不是keyWindow,从而导致添加到keyWindow...比如,获取APP的keyWindow并往上添加视图的代码: [[UIApplication sharedApplication].keyWindow addSubview:self.signView];...误区:关于keyWindow的混淆易错点 设置keyWindow与否并不 影响视图层级显示,仅来接收键盘及其它非触摸事件。...如果仅仅设置为keyWindow - (void)makeKeyWindow 如果仅仅解除为keyWindow - (void)resignKeyWindow app的keyWindow与是否在最上层显示没有任何关系...sharedApplication].keyWindow; [keyWindow addSubview:self]; 这段代码的目的是添加到最上层UIWindow,但实际操作是把自己的视图添加到keyWindow
activityIndicatorView_ startAnimating]; // update by zhangyi [[[UIApplication sharedApplication] keyWindow...)webView { [activityIndicatorView_ stopAnimating]; [[[UIApplication sharedApplication] keyWindow...self HiddenStatusBarForIOS7]; // update by zhangyi [[[UIApplication sharedApplication] keyWindow...UIViewController *)viewController animated:(BOOL)animated { [[[UIApplication sharedApplication] keyWindow
-p $1 /var/root/utils.cy > /dev/null; cycript -p $1; } utils1.cy function pviews(){ return UIApp.keyWindow.recursiveDescription...().toString(); }; function pvcs(){ return [[[UIWindow keyWindow] rootViewController] _printHierarchy...utils.cy (function(utils) { var c = utils.constants = {}; c.pviews = function(){ return UIApp.keyWindow.recursiveDescription...().toString(); }; c.pvcs = function(){ return [[[UIWindow keyWindow] rootViewController] _printHierarchy
UIInterfaceOrientationPortrait animated:NO]; [self setNeedsStatusBarAppearanceUpdate]; } [UIApplication sharedApplication].keyWindow.windowLevel...[UIApplication sharedApplication].statusBarHidden = YES; [UIApplication sharedApplication].keyWindow.windowLevel...= UIWindowLevelAlert; [[UIApplication sharedApplication].keyWindow addSubview:weakSelf.playerView
翻译过来就是说,keyWindow是指定的用来接收键盘以及非触摸类的消息,而且程序中每一个时刻只能有一个window是keyWindow。...(非keyWindow)的window对象,其中的userInfo则是空的。...于是我们可以注册这个四个消息,打印信息来观察keyWindow的变化以及window的显示,隐藏的变动。...这说明当Level层级相同的时候,只有第一个设置为KeyWindow的显示出来,后面同级的再设置KeyWindow也不会显示。...这说明UIWindow在显示的时候是不管KeyWindow是谁,都是Level优先的,即Level最高的始终显示在最前面。
1 实现思路 通过最底层的ViewController依次向上寻找,直到找到最顶层的ViewController,也就是从UIApplication的keyWindow的rootViewController...UIViewController *resultVC; resultVC = [self _topViewController:[[UIApplication sharedApplication].keyWindow...UIViewController *)getCurrentVC { UIViewController *rootViewController = [UIApplication sharedApplication].keyWindow.rootViewController...[UIApplication sharedApplication].keyWindow.rootViewController获取到的是项目的根视图,结合可能用到UITabBarController或者UINavigationController...UIViewController *)currentVC{ UIViewController *rootViewController = [UIApplication sharedApplication].keyWindow.rootViewController
${localizedFile}" # 删除临时文件 rm "${localizedFile}.tmp" 关于刷新界面 对于所有界面的刷新最方便的就是重新设置rootViewController 将keyWindow...rootViewController = RedbotTabBar() UIApplication.shared.keyWindow?....1, execute: { UIView.animate(withDuration: 1, animations: {UIApplication.shared.keyWindow...rootViewController = RedbotTabBar() UIApplication.shared.keyWindow?....1, execute: { UIView.animate(withDuration: 1, animations: {UIApplication.shared.keyWindow
valueForKey:@"statusBarWindow"] valueForKey:@"statusBar"]; 1.1 使用新的API 【statusBarManager】 解决方案:使用keyWindow.windowScene.statusBarManager...13.0, *)) { UIView *statusBar = [[UIView alloc]initWithFrame:[UIApplication sharedApplication].keyWindow.windowScene.statusBarManager.statusBarFrame...] ; statusBar.backgroundColor = color; [[UIApplication sharedApplication].keyWindow addSubview...通过上面的代码获取statusBar时,发现每次每次获取都调用 alloc:init的方法,重新生成一个statusBar;然后添加到UIApplication的keyWindow上,再设置背景颜色。...initWithFrame:[UIApplication sharedApplication].statusBarFrame]; [[UIApplication sharedApplication].keyWindow
addToRunLoop:[NSRunLoop mainRunLoop] forMode:NSRunLoopCommonModes]; [[UIApplication sharedApplication].keyWindow...+hkvc.h" @implementation NSObject (hkvc) - (UIViewController *)hk_currentViewController { UIWindow *keyWindow...= [UIApplication sharedApplication].keyWindow; UIViewController *vc = keyWindow.rootViewController;
= [UIFont fontWithName:@"Courier" size:4]; } [self initCADisplayLink]; [[self keyWindow...] addSubview:self.displayLabel]; } -(UIWindow*)keyWindow { UIWindow *foundWindow = nil; NSArray
我们可以看到 hidden = YES;那么hidden = NO就可以显示窗口了 另外,我们在[self.window makeKeyAndVisible];前后分别输出一下application.keyWindow...NSLog(@"%@",application.keyWindow); [self.window makeKeyAndVisible]; NSLog(@"%@",application.keyWindow...layer = > 我们可以看到调用[self.window makeKeyAndVisible];方法之后application.keyWindow...可以显示窗口 self.window.hidden = NO; 成为应用程序的主窗口 application.keyWindow = self.window,这个会报错,因为application.keyWindow
// 查看当前的KeyWindow UIWindow.keyWindow() // 自定义变量 var keyWindow = UIWindow.keyWindow() keyWindow // 隐藏状态栏...setStatusBarHidden:YES]; // 使用地址查看 #0x108e3cd80 // 查看一个对象下的所有变量 *#0x108e3cd80 // 查看一个对象下成员变量的名字 [i for(i in *keyWindow...)] // 格式化输出当前View的层级关系 keyWindow.recursiveDescription().toString() // 显示当前View下的所有的Button choose(UIButton...NSBundle.mainBundle.bundleIdentifier; // 获取沙盒目录 FYAPPPATH = NSBundle.mainBundle.bundlePath; FYRootVC = function(){ return UIApp.keyWindow.rootViewController
对于UIAlertView的iOS 11系统行为,猜测: 1、在UIAlertView弹出的时候,会抢占系统的keyWindow,所以会出现键盘在UIAlertView的时候收回(因为keyWindow...改变); 2、在UIAlertView消失的时候,会遍历所有Window,找到其中z轴最高作为keyWindow,所以会出现键盘在UIAlertView消失后弹出(keyWindow变成原来的);
都会使用类似如下的操作: UIWindow *delegateWindow = [UIApplication sharedApplication].delegate.window; UIWindow *keyWindow...= [UIApplication sharedApplication].keyWindow; 这里面delegateWindow和keyWindow的区别你是否了解?
getCurrentVC { UIViewController *result = nil; UIWindow * window = [[UIApplication sharedApplication] keyWindow...第二种写法: //登录接口 UIViewController *juheVC = nil; UIWindow * window = [[UIApplication sharedApplication] keyWindow
通过层次结构我们看到我们的登陆页(依附于keywindow) keywindow十分正常,资源文件等一应俱全。那么是什么原因出现的黑屏呢?
UIApplication sharedApplication] valueForKey:@"statusBarWindow"] valueForKey:@"statusBar"]; 解决方案: UIWindow *keyWindow...= [UIApplication sharedApplication].keyWindow; UIView *viewStatusColorBlend = [[UIView alloc]initWithFrame...:keyWindow.windowScene.statusBarManager.statusBarFrame]; viewStatusColorBlend.backgroundColor = Color...; [keyWindow addSubview:viewStatusColorBlend]; 6.iOS 13 DeviceToken有变化 原因: NSString *token = [deviceToken
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