iphone Programming Glossary: constraints

iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate]

http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size

to support iOS 6 then definitely consider using Auto Layout. It removes all fixed layout handling and instead uses constraints to lay things out. Nothing will be hard coded and your life will become a lot simpler. However if you have to support older..

iOS: Multi-line UILabel in Auto Layout

http://stackoverflow.com/questions/12789013/ios-multi-line-uilabel-in-auto-layout

and the small image to be laid out right below the title however tall it happens to be. I have set vertical spacing constraints between the labels and small image as well as a top spacing constraint between the title label and its superview and a bottom.. Auto Layout. And I have to use Auto Layout because I need those other views to stay below the title label hence the constraints . How can I make this happen iphone ios cocoa touch autolayout share improve this question I was just fighting with.. It was driving me nuts but I finally figured it out. Here's the key Interface Builder likes to throw in extra constraints as you add and move views and you may not notice. In my case I had a view half way down that had an extra constraint that..

Can I use setFrame and autolayout on the same view?

http://stackoverflow.com/questions/13186908/can-i-use-setframe-and-autolayout-on-the-same-view

translatesAutoresizingMaskIntoConstraints YES then calls to setFrame at runtime are automatically translated into new constraints. However you need to make sure they are translated into constraints that can be satisfied with the rest of your constraints... at runtime are automatically translated into new constraints. However you need to make sure they are translated into constraints that can be satisfied with the rest of your constraints. And unsurprisingly translatesAutoresizingMaskIntoConstraints will.. However you need to make sure they are translated into constraints that can be satisfied with the rest of your constraints. And unsurprisingly translatesAutoresizingMaskIntoConstraints will also cause new constraints to be added based on the view's..

UIView Animation Inconsistent Result

http://stackoverflow.com/questions/13388835/uiview-animation-inconsistent-result

question Your storyboard has autolayout enabled. When autolayout runs it sets the frames of your views based on the constraints you set up or that were automatically set up for you in the storyboard. This means that if you change the frame of a view.. to learn how to make animations work with autolayout. There are two basic approaches. One approach is to modify the constraints so that autolayout will put the view where you want and then do view layoutIfNeeded in an animation block to animate the.. layoutIfNeeded in an animation block to animate the view to its new position. The other approach is to animate the constraints themselves using an NSTimer or a CADisplayLink . The WWDC 2012 video œSession 228 Best Practices for Mastering Auto Layout..

How can I do variable height table cells on the iPhone properly?

http://stackoverflow.com/questions/1443335/how-can-i-do-variable-height-table-cells-on-the-iphone-properly

has a method that will tell you the dimensions of a textbox based on the font information and the height width constraints you give it. CGFloat tableView UITableView tableView heightForRowAtIndexPath NSIndexPath indexPath NSString text self getTextForIndexPath..

Status bar appear over my view's bounds in iOS 7 [duplicate]

http://stackoverflow.com/questions/18375898/status-bar-appear-over-my-views-bounds-in-ios-7

create a UI that works correctly in both versions of iOS. To support multiple versions of iOS specify a single set of constraints that Auto Layout can use to adjust the views and controls in the storyboard or XIB files to learn more about constraints.. that Auto Layout can use to adjust the views and controls in the storyboard or XIB files to learn more about constraints see œConstraints Express Relationships Between Views . If both versions of a standard app should have a similar layout and..

Why should I use Core Data for my iPhone app?

http://stackoverflow.com/questions/1883879/why-should-i-use-core-data-for-my-iphone-app

can see it's a simple data driven drill down app but I'm still not sure I can justify using Core Data with our time constraints the learning curve looks steep. If argue to my boss that we should be using Core Data what bullet points can I shoot at.. you'd otherwise have to deal with yourself such as lists of objects one to many or many to many relationships or constraints on object attributes into a single nice clean object oriented interface. Core Data comes with a nice graphical object model..

Available iPhone Web Application JavaScript UI Library/Frameworks

http://stackoverflow.com/questions/215390/available-iphone-web-application-javascript-ui-library-frameworks

only looking for client side JavaScript CSS solutions and building one from scratch isn't an option because of time constraints. No server side PHP Ruby Python Java etc. solutions. I am aware of the iPhone web applications templates frameworks question..

Game engine for iPhone/Android [closed]

http://stackoverflow.com/questions/3996793/game-engine-for-iphone-android

than Marmalade SDK and easier to use. It is also extensive via C . Deciding on what to use mainly depends on your constraints. I am currently using Cocos2d x for an upcoming project scheduled to be released for iOS very soon. share improve this..

Difference between iPhone Simulator and Android Emulator

http://stackoverflow.com/questions/4544588/difference-between-iphone-simulator-and-android-emulator

on the importance of device testing because iPhone Simulator does not emulate an iPhone processor disk drive memory constraints and whatnot. You hardly ever get memory warnings unless your Mac is struggling to manage resources itself unless you simulate..

iPhone emulator for Windows that allows installation of new apps

http://stackoverflow.com/questions/5664724/iphone-emulator-for-windows-that-allows-installation-of-new-apps

I'm using Windows for this task and I have an application that a client must be installed on this emulator. Then these constraints are An emulator that works on Windows and allows the installation of this application. iphone installation emulator share..

Last In-First Out Stack with GCD?

http://stackoverflow.com/questions/7567827/last-in-first-out-stack-with-gcd

iphone objective c ios uitableview grand central dispatch share improve this question Because of the memory constraints of the device you should load the images on demand and on a background GCD queue. In the cellForRowAtIndexPath method check..

ARC, Blocks and Retain Cycles

http://stackoverflow.com/questions/7761074/arc-blocks-and-retain-cycles

of it's properties are populated when inside the block. What's the best way to handle this situation given the project constraints listed above iphone ios ios5 automatic ref counting afnetworking share improve this question Assuming progress guarantees..

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