storyboard

In Xamarin iOS designer, how can I prevent code from being run in ViewDidLoad?

核能气质少年 提交于 2020-01-21 17:53:08
问题 In the Xamarin iOS Storyboard designer, the ViewDidLoad code of the ViewController gets built and run automatically when just looking at the storyboard. This is great for programmatic design elements because I can see them in designer view without having to start the simulator, but I also need to make an API call from ViewDidLoad and that crashes the designer with the error "Custom components are not being rendered because problems were detected" . public async override void ViewDidLoad() {

In Xamarin iOS designer, how can I prevent code from being run in ViewDidLoad?

筅森魡賤 提交于 2020-01-21 17:52:49
问题 In the Xamarin iOS Storyboard designer, the ViewDidLoad code of the ViewController gets built and run automatically when just looking at the storyboard. This is great for programmatic design elements because I can see them in designer view without having to start the simulator, but I also need to make an API call from ViewDidLoad and that crashes the designer with the error "Custom components are not being rendered because problems were detected" . public async override void ViewDidLoad() {

memory not releasing with ARC and storyboard in iOS 5.1

我们两清 提交于 2020-01-21 08:29:13
问题 i'm cracking my head on memory issues with my app, the app are working fine except that it will crash once it hit low memory warning and are very very very laggy when using it for 10 to 20 minutes. EDIT: how to poptoviewcontroller? introvideo-> welcomeview & tutorialview-> mainviewcontroller-> scannerviewcontoller-> questionview ->(if answer correct -> correctView) else ->wrongView how do i pop back to mainView controller ? the below code are to solve adding view controller to the

WPF 简易的喷泉效果

假装没事ソ 提交于 2020-01-20 18:35:02
原文: WPF 简易的喷泉效果 这两天领导让我做个喷泉的效果,要把一个个UserControl从一个位置喷出,然后,最后落在最终需要在的位置。 喷泉效果说白了,就是两个步骤:1、放大,从0放大到需要的倍数;2、缩小,平移,从放大的倍数还原到UserControl的原始大小,并且定位到最终的位置。 虽然,只有两步,但是,作为写动画的新手,还是有点费事的,所以,采用了先用Blend设计,然后再转换为C#代码的过程。 一、Blend设计单个UserControl的放大和移动效果 1、在Blend里,新建个项目,然后,在Grid下,放个Canvas,在Canvas下放个Image(先拿Image来设计) 2、在Blend左侧的时间线,选中image控件,然后点击上面的+号,会弹出新增动画资源的弹窗,点击确定。 3、根据需要,拖拽左侧的时间线(黄线)到对应位置,然后,对红框中的Image控件,进行放大、缩小、位置调整等操作。 4、XAML部分,产生了相应的代码 <Window.Resources> <Storyboard x:Key="StoryboardFountain"> <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup

how to perform a segue

余生长醉 提交于 2020-01-20 18:33:08
问题 I would like implement a button to show another view. I have defined the destination ViewController in Storyboard & created a segue (of type push) and gave it an identifier. In my root view controller some method ... UIButton *btn = [UIButton buttonWithType:UIButtonTypeDetailDisclosure]; [btn addTarget:self action:@selector(showDetailView:) forControlEvents:UIControlEventTouchUpInside]; and - (IBAction)showDetailView:(id)sender { [self performSegueWithIdentifier:@"ShowDetail" sender:sender];

how to perform a segue

允我心安 提交于 2020-01-20 18:32:39
问题 I would like implement a button to show another view. I have defined the destination ViewController in Storyboard & created a segue (of type push) and gave it an identifier. In my root view controller some method ... UIButton *btn = [UIButton buttonWithType:UIButtonTypeDetailDisclosure]; [btn addTarget:self action:@selector(showDetailView:) forControlEvents:UIControlEventTouchUpInside]; and - (IBAction)showDetailView:(id)sender { [self performSegueWithIdentifier:@"ShowDetail" sender:sender];

[iOS UI进阶 - 2.1] 彩票Demo v1.1

那年仲夏 提交于 2020-01-20 03:09:53
A.需求 1.优化项目设置 2.自定义导航栏标题按钮 3.多版本处理 4.iOS6和iOS7的适配 5.设置按钮背景 6.设置值UIBarButtonItem样式 code source: https://github.com/hellovoidworld/HelloLottery B.实现 1.项目配置 (1)程序启动期间隐藏状态栏 (2)程序启动完成显示状态栏 AppDelegate: 1 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { 2 // Override point for customization after application launch. 3 4 // 设置状态栏样式为白色 5 application.statusBarHidden = NO; 6 application.statusBarStyle = UIStatusBarStyleLightContent; 7 8 return YES; 9 } (3)取消渲染app图标(取消系统渲染效果) 2.自定义导航栏标题按钮 “购彩大厅”右上角的“咨询”按钮是图标+文字型的 (1) UIBar

.NET CORE(C#) WPF 抽屉式菜单

给你一囗甜甜゛ 提交于 2020-01-18 12:22:11
微信公众号: Dotnet9 ,网站: Dotnet9 ,问题或建议: 请网站留言 , 如果对您有所帮助: 欢迎赞赏 。 .NET CORE(C#) WPF 抽屉式菜单 阅读导航 本文背景 代码实现 本文参考 源码 1. 本文背景 使用简单动画实现抽屉式菜单 2. 代码实现 使用 .NET CORE 3.1 创建名为 “AnimatedColorfulMenu” 的WPF模板项目,添加1个Nuget库:MaterialDesignThemes,版本为最新预览版3.1.0-ci948。 解决方案主要文件目录组织结构: AnimatedColorfulMenu App.xaml MainWindow.xaml 2.1 引入样式 文件【App.xaml】,在 StartupUri 中设置启动的视图【MainWindow.xaml】,并在【Application.Resources】节点增加 MaterialDesignThemes库的样式文件: <Application.Resources> <ResourceDictionary> <ResourceDictionary.MergedDictionaries> <ResourceDictionary Source="pack://application:,,,/MaterialDesignThemes.Wpf;component

WPF 简易的跑马灯效果

半世苍凉 提交于 2020-01-17 01:47:13
原文: WPF 简易的跑马灯效果 最近项目上要用到跑马灯的效果,和网上不太相同的是,网上大部分都是连续的,而我们要求的是不连续的。 也就是是,界面上就展示4项(展示项数可变),如果有7项要展示的话,则不断的在4个空格里左跳,当然,衔接上效果不是很好看。 然后,需要支持点击以后进行移除掉不再显示的内容。 效果如下: 思路大致如下: 1、最外层用一个ViewBox,为了可以填充调用此控件的地方,这样可以方便自动拉伸 <Viewbox x:Name="viewbox_main" Height="{Binding Path=ActualHeight}" Width="{Binding Path=ActualWidth}" MouseLeave="grid_main_MouseLeave" MouseMove="grid_main_MouseMove" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Stretch="Fill"/> 2、定义三个变量,一个是Count值,是为了设定要展示的UserControl的个数的,例如默认是4个,如效果图,当然,设置成5的话,就是5个了;一个List<Grid>是为了放入展示控件的列表,一个List<UserControl>是用来放所有要用于跑马灯里的控件的。 3、设置一个Canvas

Segueing to another view controller without displaying the first in iOS 8

ぃ、小莉子 提交于 2020-01-17 01:39:45
问题 I am trying to understand the new segues in iOS 8. I have an app with a typical login screen shown initially, and if the user is logged in, that screen should not display (even for a split second) and user should be on a feed screen, which I am segueing from the initial login screen. However, I am not able to do what I want. First of all, I can only use Present Modally segue, as it's the only appropriate segue that allows removing animation. Depending where I try to segue in view controller