Questions about issues that are specifically related to Apple's iOS operating systems (whether directly or indirectly).

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1
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2answers
255 views

Workaround for unit testing Core Data in Swift

I am still pretty new to programming, but my first app was recently approved and is now for sale on the App Store. My app uses Core Data and is written in Swift. After some initial difficulties, I ...
-4
votes
0answers
42 views

SWIFT: How does this block of code work? [on hold]

In regards to the code below: func checkCollisions() { var hitCats: [SKSpriteNode] = [] enumerateChildNodesWithName("cat") { node, _ in let cat = node as SKSpriteNode ...
-4
votes
0answers
30 views

How do I create a view with components infront of my main view? [closed]

I Have A viewcontroller with a button , I want that when pressed this button , open a new ViewController in front of My Current View . Then she 'd been with blur effect. something like this: How ...
0
votes
2answers
45 views

Ideal way of updating app's views when data changes [on hold]

Okay this is not platform specific question. But any answer related to iOS,Android or Windows Phone will help. So I am building a chat application (yes another one) but I am really confused about how ...
-3
votes
0answers
30 views

It possible that iOS app could add music to iTunes (on the same device)? [closed]

Is it possible that iOS application (on iPhone, without jailbreak) could add music to iTunes (also on same iPhone). Like for example, download music from internet or other device via wifi and ...
0
votes
1answer
53 views

Do iOS frameworks require the same internal versioning as OSX frameworks?

I have been reading through the apple documentation for creating frameworks for OSX and iOS. Reading about the structure of frameworks, I began to wonder if there is really any need to create the ...
1
vote
1answer
59 views

How to test android apps that depend on telecom provider connection?

I am planning to write an app that needs phone number and contact list. Is there any way that I can test my app without buying a telecom provider connection for my android phone. Without a sim the ...
-4
votes
0answers
27 views

What is the mainstream technology of Restful on iOS? What is currently the best way to do it? [closed]

I would like to realize Restful on iPad to communicate with server. I have found some open-source frameworks, like RestKit, AFNetworking which are writtern in Objective-C. But others said they are too ...
0
votes
1answer
159 views

Manage the persistence of entities on iOS in several places: CoreData on the device, iCloud and on a REST API

For the needs of a project, I would persist the datas contained in Core Data in several places depending on the state of the user. If the user is logged to my API -> Persist the datas on my API. ...
0
votes
2answers
49 views

Should I use Core Data for a social networking app with multiple “feeds”? [on hold]

I have a social network that needs an iOS app built, but I'm struggling to decide whether or not I need (or just if it would help) to use Core Data. The premise will be very similar to Facebook, ...
1
vote
1answer
2k views

Mobile development project architecture model/pattern

I would like to hear some improvement suggestions for mobile development (Android/iOS) project architectures. I would like to go for a "safe" design, modular and that can be easily maintained in time. ...
-1
votes
0answers
9 views

Timestamp and Pagination on same time, for million of records best practices IOS

I have million of records, so i need both timestamp approach as well as pagination. Certain flows that are being used are: Pull to refresh Load more. The best scenerios in my mind are: When i am ...
0
votes
0answers
23 views

Hybrid Apps and Storage - how does it work with Native apps and which to use?

I'm using Ionic at the moment. I believe, like many others, that hybrid apps will become more more common/important than they are now simply because the frameworks are getting better and better. ...
-3
votes
1answer
117 views

Physics/Game Engine in C++ for mobile app [closed]

First post so be gentle. I am a junior seeking a Comp Sci major and was looking into making a mobile game. I wanted to use this for my thesis project next year, and possibly a way to pay back college ...
4
votes
4answers
319 views

What architecture/design to adopt when consuming a RESTful API? (iOS App)

TL;DR Part 1) I want to refactor the biggest part of the app on which I work - and it is pretty much spaghetti. It's a single class that makes the requests to the server, parses the JSON and saves ...
-1
votes
1answer
755 views

How is MTU determined and can it be changed

I'm developing a multi-part solution that consists of an iOS application and OS X application which communicate over Bluetooth Low Energy. Everything works fine and I can send moderate amounts of text ...
1
vote
4answers
1k views

iOS chat application design, sending/relaying the message over to the end user

I have a design question. Let us say you were tasked with building a chat application, specifically for iOS (iOS Chat Application). For simplicity let us say you can only chat with one person at a ...
11
votes
1answer
421 views

Naming convention for iOS/OSX open-source projects

Not always but most of the time, you will find iOS or Mac OS X open-source projects with names starting with the initial letters of the author first and last names. If a project were to be authored by ...
0
votes
2answers
50 views

Best Way To Store Images For Mobile Synchronization

The scenario is, I have a Web Dashboard (Developed using PHP + MySQL) and have Android and iOS Apps synchronizing data from the Web Dashboard (only one way i.e. Dashboard to Mobile Apps) Now the ...
1
vote
0answers
49 views

Should I use enums or arrays for a dynamic data source?

I've inherited an iOS project that uses NS_Enum to store the number of rows and sections in a UITableView At the moment, the UITableView is static; no rows are being added to it. However, that is what ...
3
votes
1answer
121 views

How do you write tests for methods that interact with data in system files?

I'm trying to be proactive about writing an iOS app in a test-driven manner. However, I'm stumped as to how to test a method that is to interact with real system files. For those familiar with iOS, ...
2
votes
1answer
111 views

Would I rather use Core Data or save files to the system?

I'm developing an iOS app which basically fetches a JSON from a remote location, parses it and instantiates classes for a couple of its elements. For some visualization, this should give you a basic ...
0
votes
1answer
78 views

Is it ok for a for a View to dismiss itself?

Currently, I'm working on a project in which a view is dismissing itself. While talking to another programmer on the team for this project, he said that it's fine (in that it behaves correctly), but ...
2
votes
2answers
98 views

pixel perfect apps techniques [closed]

While doing your iOS app development, do you try to achieve pixel perfect similarity? Is your app identical to provided photoshop designs? If yes, what techniques are you using to speed this process ...
0
votes
0answers
50 views

What could possibly be a Mysql database structure for an web app say like Flurry?

Simply say, I'm working on a web App say like Flurry (http://www.flurry.com/), that would communicate with a Smartphone App trough API. Right now I'm designing the database structure, and I guess ...
-3
votes
1answer
34 views

which are the features that make difference between mobile application which work for ios 6 and ios7 & 8? [closed]

please , I need to find the libraries and the packages which are diifrent in developing for ios 6 and ios 7 & 8 . I have a mobile application which works for ios 6 and it is not shure that it will ...
9
votes
2answers
394 views

Massive View Controller - IOS - Solutions

I'm sure every new iOS developer has the following problem: The View Controllers get very fast crowded with code for various purposes, easily getting to 500 + lines of code. This is how it looks like ...
1
vote
1answer
151 views

Does key-value observing between model and view violate MVC?

In MVC the Controller is the go-between for the View and the Model. So the Controller should be the one that observes or receives changes from the Model and View and updates the other accordingly. I ...
2
votes
2answers
415 views

PHP MVC as backend for iOS app

So, essentially, the question is, to develop a PHP back-end to an iOS application, would you implement an MVC architecture on the PHP side? Or no, since the client side (iOS) already has an MVC ...
2
votes
0answers
94 views

Ways to do callback, when and where

I've recently started to do some more complicated programming with network-related work on iOS with Swift. This introduced a lot of asynchronous code not only in networking but also some exchange of ...
0
votes
1answer
83 views

More than 20 Records Inserted in a Span of 1 Sec

Well, this is not specific to any programming languages. I came across this situation in Android, iOS, PHP and .NET. The problem is many times I come across a situation while building IoT apps, where ...
0
votes
1answer
153 views

offline application development for mobile devices

I am looking to develop an application whereby field staff can complete forms in an offline capacity (when onsite I`m assuming no internet connection) on an Apple or Android device and post the ...
2
votes
1answer
161 views

Performance of Class methods vs singleton instance methods

In my app, I'm using both strategies: I have a Utils class, it only has class methods that I call for doing common global methods, like NSString validation, etc. I have an app-wide singleton class ...
7
votes
1answer
2k views

Why do Core Data sqlite table columns start with 'Z'?

I was looking at the sqlite table that Core Data generates and noticed that all table columns start with 'Z'. I realize this is an implementation detail, but I was curious as to why that's the case ...
0
votes
0answers
150 views

Usage of MVVM in iOS

I'm an iOS developer and I'm guilty of having Massive View Controllers in my projects so I've been searching for a better way to structure my projects and came across the MVVM (Model-View-ViewModel) ...
17
votes
7answers
5k views

Is there a technical reason why you can't develop iOS apps on a Linux computer?

I understand why you can't develop OS X apps on a Linux computer, but is there a good technical reason why you can't develop iPhone and iPad apps on Linux? Why isn't it possible to compile iOS source ...
0
votes
1answer
149 views

The ViewController design in iOS vs MVC in tradiational web apps design

As I came from the background of webapps and move to iOS programming, I am wondering why we can't just apply the MVC design approach to native apps, i.e. in iOS, the view and controller are tightly ...
2
votes
3answers
134 views

Reliable secure data exchange between service written on .NET and an iOS client app

I have a service written on .NET working on a company server. It designed to do a very simple thing, to receive a request via WCF named pipes from another service working locally on the same server, ...
2
votes
0answers
110 views

Design for an application framework that will allow each implementation to customize parts of the UI

I am tasked with designing an application framework that will allow each implementation to customize parts of the user interface. One such example would be that the implementation (let's call it ...
1
vote
1answer
555 views

Possible to Comment on a storyboard?

I recently started working for a company that has me making mockups for an app they'd like to see converted to an iPhone app. I have not been informed as to how all the boards fit together, but I do ...
4
votes
1answer
127 views

Register user in mobile app without e-mail

We are currently developing an app for Android and iOS which requires the user to perform a registration. However we don't want the user to go through all this e-mail and password activation link ...
1
vote
4answers
284 views

How to ensure multiple clients don't poll the server at the same time?

I am making an android app which will talk to a web service to get data. The web service has a rate limit of 100 calls per minute. Is there a way, recommended method to ensure that the app across ...
4
votes
1answer
252 views

“Middle ground” architecture for client-server iOS apps?

I see two obvious approaches to the architecture for an iOS app which needs to talk to a server to do its job. Pretend to be a web browser Under this approach, the app fetches a chunk of data ...
1
vote
4answers
171 views

Security in an iOS game?

I'm part of a team building an iOS game which has multiplayer elements. A concern right now is how to make the game more secure, from user manipulation. I know there's a lot of multiplayer games out ...
0
votes
2answers
273 views

Snapchat clone: How do I secure pre-downloaded notifications so that they cannot be opened outside of the app?

Say I'm making a snapchat clone app for Android and iOS. Let's say that I get a snapchat from Baz. I want to pre-download the audio for this snapchat. However, as the developer, I want to secure this ...
2
votes
2answers
966 views

What is a good design pattern to implement REST services on mobile?

It is easy to implement calls to API endpoints, then to parse JSON and handle the data - but what is a good design pattern for this? Here are some ways I have tried but I feel like there should be a ...
0
votes
1answer
105 views

What effect does using multiple childViewControllers views inside a ContainerViewController have on memory?

I have three childViewController views inside my ContainerViewController and these three views are inside a horizontal scroll view. My intention is to build an app that has a custom camera on one ...
3
votes
4answers
853 views

How to develop cross platform mobile applications with native UI and Javascript backend?

I want to build a cross platform(Android, iOS, Windows) mobile application. I want the UX of the application to be different on the different platforms so that it will be more platform specific and ...
0
votes
1answer
129 views

Lazy-initialization vs preprocessing in image-based iOS app

I am making an iOS app which contains museum gallery: user can look through exhibits and then select info about it, etc. On the exhibit screen I have two ScrollViews that are different, but are being ...
1
vote
2answers
1k views

Can XCode work with TFS?

We have been using Team Foundation Server (TFS) for source code management of our solution which contains components for a number of platforms - asp.net, windows & android so far. We now wish to ...