Questions tagged [ios-universal-app]

An iOS universal app is an app that can be run both on iPhone, iPhone with retina screen, iPad and iPad with retina screen.

An iOS universal app is an app that can be run both on iPhone, iPhone with retina screen, iPad and iPad with retina screen.

Developer guide for Creating a Universal App

284 questions
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Link dynamically created IBOutlet of UIPageControl to IBAction changePage

I have created UIPageControl dynamically and want to link it to the IBAction changePage function so can work on the scrollview content change while changing the page I have used [videoPageControl addTarget:self action:@selector(changePage:)…
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iOS Universal App Class Architecture

What is the correct way to implement classes in an Universal App? I currently have two xib (one for each device), each xib calls the same class and inside that class I have a conditional statement checking what type of device is currently running…
Angie
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CoreBluetooth fails when writing data encoded with NSKeyedArchiver?

I have an app that communicates iDevice-to-iDevice over Bluetooth LE using the CoreBluetooth framework. For one of my characteristics, I send a date encoded with NSKeyedArchiver (such as in the accepted answer for this question). When this happens,…
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What is the iPhone's "Springboard" view exactly?

My question is, is the default iPhone menu a UIcollection view created with storyboarding, or is there more to its abilities? (in order to avoid emulating its functionality)
Morkrom
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Universal project: how to make landscape start-up in iPhone and portrait in iPad

I have an universal project, and want to keep landscape from very beginning of star-up for iPhone and portrait for Pad. How can I do it?
LiangWang
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iPad app converted as Universal app appears in iPhone new apps?

I have an iPad app in the App Store and I'm currently converting it to iPhone as an Universal app. I'm wondering if this app will appear in the App Store as a new app for iPhone?
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A proper design resolution for universal app nowadays?

Now, that we have new iPhone 5 and iPad 3, what resolution of design should we make for universal apps? Can we make one Photoshop design in the largest resolution and then downscale these images to fit on iPhones screens? Please advise...
sandalone
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IBAction not functioning after I renamed xib file

I have an universal application that had all views in the same file MainWindow.xib. Today I decided to separate these views into their respective xib files (to have MainMenuController.h, MainMenuController.m and MainMenuController.xib for example).…
Murat Ögat
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iPhone project defaults to iPad view controllers

I normally create apps for the iPad, but I decided to make one for the iPhone. When creating the project, I told XCode that this was targeted at the iPhone. After creating the project, the target/devices/everything says that it is being built for…
Dustin
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iPad : UIButton requires many tap attempts to caught action

I am developing a Universal app, and there is a UIButton in it which works fine with iPhone but when I click it in iPad it requires many click attempts to get the touch event occur. e.g. after 5-6 clicks it executes click event. Below is UIButton…
Azhar
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Convert iPad app to universal or rewrite

I know it's possible to convert an iPad app to a universal app, my question is is it worth it. All the app does, is it shows an initial screen with a list of servers that it detects using UDP broadcasts. Once a user clicks on one, it loads a page…
nick
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Create different @properties for iPad and iPhone runtime

I have a universal app and for each device (iPad, iPhone) have different sets of properties like this: //iPhone @property (nonatomic, strong) CategoriesViewController *categoriesViewController; //iPad @property (nonatomic, strong)…
Borut Tomazin
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Managing resources in a universal ios app

I am developing a cocos2d game. I need to make it universal. Problem is that I want to use minimun amount of images to keep the universal binary as small as possible. Is there any possibility that I can use same images I am using for iphone, retina…
Aqueel
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Converting Universal app to iPhone only app

I started developing an application in a universal configuration, but later the requirement changed and the application turned out to be iPhone only. Now how do I change the application configuration to fulfill this criterion?
Raj Pawan Gumdal
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How can I make my iPhone app into a universal app (iPhone & iPad compatible)?

I have been looking around at tutorials on how to make an iPhone app universal, so that it work on iPad. However when I have tried to implement this I've become a bit stuck since Xcode has changed a fair amount and the tutorials seem out of date. So…
user843337