storyboard | 易学教程

iOS 5 Storyboard 学习之 Tabbar Controller，Navigation Controller (4) 完成

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继续《 iOS 5 Storyboard 学习之 Tabbar Controller，Navigation Controller (3) 深入Segue，Class，Protocol，Delegate的基本使用》的内容，如果想从头学习 Storyboard ，请参考《 iOS 5 Storyboard 学习之 UITableViews 》 1 我们来建立最后一个TableViewController ，用来控制类别的选择。托一个“Table View Controller”，从类别 Control+Drog 到新的“Navigation Controller”上然后选择“ Push ”，Segue的identifier为“PickGame” 设置“Table View Controller”的cell 的 Style为Basic 2 建立“ GamePickerViewController”，Class 是 Table View Controller 然后编辑 “GamePickerViewController.h” #import <UIKit/UIKit.h> @interface GamePickerViewController : UITableViewController { NSArray *games; } @end

Using alloc and init when using a UITableViewCell from Storyboard

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问题 I'm doing a simples app using Storyboard that a have a View with a UITableView with a UITableViewCell that do the navigation to another UIView . So a have to code to populate the cell on the table view. - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *cellIdentifier = @"SampleCell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier]; if (cell == nil) { cell = [[UITableViewCell alloc]

Multiple storyboards: should I use a singleton pattern to cache them?

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问题 I'm using multiple storyboards in my app, which is considered as good practice. For example, from my FooViewController in Main.storyboard , when a button is tapped, I'll jump to another BarViewController defined in Secondary.storyboard programmatically. Transitions among storyboards and view controllers are implemented in a separate file, e.g. Storyboards , like the following: // in Storyboards.m @implementation Storyboards + (id)instantiateBarViewController { UIStoryboard *storyboard =

Is it possible it get a .xib window to a tabbed storyboard

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问题 i have not long bin doing code, Xcode so I'm a little rubbish basically i have created a .xib and would like it to be in a storyboard but i really don't have a glue where to start because i have a xib window that has UITableView and UIPickerView in it and all the code is fine in the xib but do i need to add code in the storyboard .h / .m etc and is it possible if not how can i do some kind of drop down menu for my app. Heres the code in the xib #import <UIKit/UIKit.h> @interface myview :

Xcode 5 Opening storyboard file hangs and IDE goes to deadlock

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问题 I downloaded XCode 5 lately to support iOS 7 , on my Macbook Pro (8 GB DDR 3 RAM). I have a storyboard file which has close to 30 Controllers in it. I opened the storyboard file post that it got hanged due to which i am unable to proceed. Here are the things i already tried: 1. Restarting XCode . 2. Restarting Mac. 3. Terminating all other Apps apart from XCode . 4. Cleaing all caches for XCode and clearing all content & settings for Simulators. Edit: Compiler generates the below error:

iOS5 - Storyboard - Multiple Segues from Navigation Controller

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问题 I have been working with iOS5 on an app for a client, and I need to execute a different segue dynamically from a UINavigationController based on a state of the tableviewcell. If you see the storyboard (attached here http://www.online.com.bo/apple/multinavigationsegues.png), basicaly there is 2 segues generated from the navigation controller, I need to "bypass" the navigation controller to execute one of the segues, but I'm not sure how. Attached is the code I have on the ROOT tableview

How to make an element reference a StaticResource Storyboard in XAML (instead of the storyboard referencing the element)

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问题 I am reading the MSDN Animation tutorial, and it describes the following steps to apply a storyboard to an element: Create the Storyboard; Specify its target element name with the TargetName property; (Specify the target property); (Add an event trigger to start the animation); I see a conceptual problem, from which derives my difficulty, that's this: I have a one-to-one relationship between storyboard and element, and this relationship is defined in the storyboard. Then, how could I create

Why do view controllers in my Storyboard keep disappearing?

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问题 The View Controllers in my Storyboard file keep disappearing. As of now I have to press the up arrow and highlight over every single item to reinstate my view controllers. What can I do to get rid of this problem and is there something else I can do to reinstate these disappearing view controllers onto my storyboard? 回答1: This is a bug... Usually i'm able to fix it by closing the storyboard and re-opening it. 回答2: I was able to fix mine by resetting xcode completely. Try this: http://www

Storyboards and nibs compatible?

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问题 Can I use storyboards for all of my app, and then have one nib that it pushes to, or is the two being used at the same time not possible? 回答1: The storyboards and nibs can go together in one app, but if your deployment target is below iOS 5, then it won't work. The storyboards will only work on iOS 5.x. And of course, you'd need to write code yourself to push a nib. 回答2: WWDC 2011 Videos Session 309 - Introducing Interface Builder Storyboarding 36:00 API 41:00 Adoption (including incremental

How to use an image logo on the navigation bar instead of title

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问题 I have tried a couple different codes but couldn't make the logo show import UIKit class HomeViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() let logo = UIImage(named: "logo.png") let imageView = UIImageView(image: logo) self.navigationItem.titleView = imageView navigationItem.titleView?.sizeToFit() } } I even tried to include IB in the class itself didn't work either, it doesn't seem to work that way @IBOutlet weak var navBar: UINavigationItem! PS. My logo