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

learn more… | top users | synonyms (2)

0
votes
0answers
17 views

Dynamic forms in iOS

I'm not quite sure if I'm in the right community...I'm new to iOS development and come from .NET I want to write a app which receive a xml over http and creates a dynamic form from this xml. In the ...
-2
votes
0answers
18 views

How to create a 3D Model using Wikitude? [on hold]

Has anybody tried creating a 3-D Modeling using Wikitude AR SDK for iOS? I have heard it's possible with Wikitude , the 3D Moedling. (http://www.wikitude.com/developer/documentation/ios) Please let ...
-1
votes
0answers
18 views

I have some generic server side TYPE data that I'm unsure how best to pull into my client app. How can I do this?

There is something I am trying to pull off, but I'm not entirely sure how to best to do. I'm hoping you can provide me some guidance in the matter. For example, let's say we have an app that is a ...
0
votes
2answers
53 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 ...
0
votes
0answers
17 views

How to save and clear Files/PDFs received from web service in iOS apps?

My web service will send me a PDF and I have to store it locally on my iphone app and share it through whatsapp later. So how can I save this file received in my app for later sharing? How can I again ...
1
vote
0answers
53 views

UIDocumentInteractionController in iOS for Whatsapp Integration

I was looking for a way to share my application created files through Whatsapp. I found we can chat using custom URL scheme provided by whatsapp. But, to share files of my app, I read that I have to ...
0
votes
1answer
97 views

Does my use of the strategy pattern violate the fundamental MVC pattern in iOS?

I'm about to use the 'strategy' pattern in my iOS app, but feel like my approach violates the somehow fundamental MVC pattern. My app is displaying visual "stories", and a Story consists (i.e. has ...
1
vote
0answers
27 views

Core Data: is performing NSFetches in transient property code bad? Why?

In Core Data, we can put transient properties in our entity objects (or categories on our entities). These transient properties can calculate transient data based on actual entity properties. Is ...
0
votes
1answer
60 views

Drawbacks to redefining method in precompiled header

I have a lot of calls to NSLog(...). I need to change all of these calls to CLSNSLog(...). So I added this to my precompiled header (.pch): #import <CrashlyticsFramework/Crashlytics.h> #define ...
7
votes
2answers
544 views

How exactly to use the MVC design pattern

I have read the documentation on the apple's developer website which refer following guidelines A view class shouldn't depend on a model class (although this may be unavoidable with some custom ...
0
votes
0answers
53 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. ...
1
vote
0answers
98 views

What are the bad points of using Core Data for iOS like an ORM

I just starting to use Core Data for my iOS app and I am thinking about how use Core Data for my needs. What are the features of my app: The user look for products proposed from a catalog. The user ...
-1
votes
1answer
81 views

Where does one draw the line between inspiration and plagiarism? [closed]

Suppose one would like to use in an iOS app only one function from a GPLv3 library that contains a large number of them. One cannot simply link the whole library beacuse otherwise the resulting ...
0
votes
0answers
32 views

What is the best solution for an API class that could have different end points? (iOS)

What is the best approach for creating a singleton API class, where different requests could call different api providers and how to manage this? For instance you might have a singleton class 'API' ...
0
votes
2answers
192 views

Why does the Mailbox app need their own backend?

I am only coding in Objective-C and I have no experience with backend coding, only a high-level understanding. I understand why a lot of programming projects require backend servers but I'm not ...
3
votes
1answer
161 views

IOS app updates that don't require App Store submission

Some apps, I've noticed that developers are able to update their software without submitting them to the App Store. For example, Game of War will occasionally tell you that an update is available ...
2
votes
0answers
126 views

Are Calls to a WCF Service via JSONP Secure?

I am looking at developing a complete HTML5/JS mobile app that can be deployed to Android, iOS and Windows platforms. I am using DevExtreme tools to help me do that. I already have a WCF service that ...
1
vote
2answers
231 views

Good Programming Practice for similar child classes

I am developing an iOS application, in which I have to draw some patterns on a view based on option selected by user. Let me explain you more clearly. User will be shown number of images as options ...
1
vote
1answer
230 views

Private apps for iOS and Android

Is it possible to develop private apps for iOS (iPhone/iPad) and Android? With "private apps" I mean apps that do not appear on the public app store, but can be downloaded and used only by selected ...
0
votes
2answers
156 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 ...
4
votes
1answer
212 views

What are the benefits of Android way of “saving memory” - explicitly passing Context objects everywhere?

Turned out, this question is not easy to formulate for me, but let's try. In Android, pretty much any UI object depends on a Context, and has defined lifetime. Android can also destroy and recreate UI ...
1
vote
1answer
88 views

I am developing an app for iPhone - does it matter which iPhone I buy? [closed]

It's a basic application - nothing majorly fancy (i.e. not a game) I have the option to buy iPhone 5 iPhone 5c iPhone 5s Just wondering if it matters which iPhone I buy to test out my App or should I ...
0
votes
2answers
528 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 ...
1
vote
2answers
131 views

In iOS, y-axis starts from the top and grows downward. It is the opposite to OSX. What is the rationale and technical advantage behind this change?

In iOS, the coordinate (0, 0) means the top left corner. In OSX it is the bottom left corner. What is the Apple's rationale or technical advantage of this coordinate system?
3
votes
2answers
457 views

Why does Apple only allow for Static Frameworks on iOS?

Clearly Apple has the ability to create dynamically loaded libraries (known as frameworks) for iOS, as they ship several with XCode (such as UIKit). App developers only have the ability to create ...
1
vote
1answer
89 views

Is it bad practice to include two types of views in the same class?

In my app, I use a widget with a loading spinner to signify that a network request is waiting. On failure, there will be another view which contains a failure message and a "Reload" button. My ...
2
votes
0answers
89 views

Why do these iOS and OSX framework structures contain a version called 'A'?

I've been looking at development strategies for frameworks and have found a few good resources. However in the structure of frameworks in iOS and OSX I want to know why inside of the versions folder, ...
0
votes
0answers
37 views

Naming objects and properties clearly without exposing implementation details

I'm re-architecting an iOS mobile app that consumes an API with somewhat haphazard and oftentimes slow performance. The reason for the slowness is because the API is actually a layer on top of a ...
0
votes
0answers
66 views

Unit Testing in iOS — Should I split out my Data Model into it's own class?

I'm attempting to try out using unit test in for the first time in new iOS activity for work. I love the idea of unit testing, but always find the specifics to be... messy. I get the general ...
1
vote
4answers
176 views

Difference between the two enums

I came across an enum definition :- typedef enum NSInteger { kBorderTypeNone = 0, kBorderTypeLeft = 1 << 0, kBorderTypeRight = 1 << 1, kBorderTypeTop = 1 << ...
0
votes
2answers
125 views

Is there a download limit to ios apps?

With reference to iOS 7. I couldn't find any Apple documents with regards to this. Are we able to download any size of documents and manage them ourselves (within our app say < 100MB)? Example, we ...
0
votes
1answer
133 views

detect if a combination of string objects from an array matches against any commands

Please be patient and read my current scenario. My question is below. My application takes in speech input and is successfully able to group words that match together to form either one word or a ...
0
votes
1answer
78 views

Terminalogy “Controller” in MVC and “ViewController” in IOS

While studying IOS, i generally come across viewcontroller. That gives me, confusion, if this "ViewController" has to do something with controller ( in MVC ) ? But how come both "view" and ...
0
votes
1answer
1k 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
vote
1answer
174 views

Create an Objective-C category to route methods depending on a specified type

For one project, I needed to find a solution to avoid code like this: if ([self.desiredColor isEqualToString:@"Red"]) [self constructRedMenu]; else if ([self.desiredColor ...
0
votes
2answers
167 views

Starting point for building an iPhone app [closed]

I have one idea that I want to make an app for iPhone, I have recently bought a mac for the same purpose. I want to make small app and build on it in later versions. I work in in a small company and ...
0
votes
0answers
64 views

How do I get fluid gesture motion in third party maps app on iOS?

There are a couple of apps on the App Store that use external map sources, for various reasons, to display map data. Some even have multiple sources for bike traffic and so on. However some of them ...
4
votes
1answer
235 views

Modelling Login and Authentication on an iOS mobile client

I'm about to start working on a V2 of a mobile application and I'd like to adopt a more object-centric approach. Primarily because I think it makes for more maintainable code, but a secondary ...
0
votes
0answers
340 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 ...
-2
votes
2answers
165 views

iOS7 apps only using iPad only

I would like to develop iOS apps but due to budgetary issues I can only afford an iPad mini gen1 or iPod touch 5th gen. Is it possible for me to make apps for all iPhones and iPads/iPods using just a ...
-2
votes
1answer
977 views

Connecting a native iOS app to backend and database

I have a good amount of experience working with objective-C and making iOS apps that work locally and with BaaS providers (Parse.com). However, I'd like to take my mobile development to the next level ...
-2
votes
1answer
64 views

Turning a problem into a data

OK, I have an app that I'm creating but I'm just really not sure about how to approach the problem. The idea is fairly simple. I'm just not sure how to wrap it in a data model (or even if I should). ...
1
vote
1answer
131 views

Managing large downloadable content on mobile devices

This is a general question of how to best manage large downloadable content on mobile devices. Lets consider a situation whereby a mobile app needs to download a number of very large content items, ...
4
votes
1answer
430 views

Are there any significant advantages to using a native language for mobile app development? [closed]

Forgive me if this question has already been answered but I couldn't quite find the answer I was looking for. What I wanted to know was, is there any significant advantage to using a native language ...
1
vote
3answers
164 views

Which one is better offline method for large scale application

We've a big data management website used by several property. Some of our customers have downtime (they can't access net for an hour or two). We want our site to support offline data viewing and ...
1
vote
0answers
109 views

Designing object oriented programming

Basically, I want to make api calls using an SDK I am writing. I have the following classes: Car CarData (stores input values needed to create a car like model, make, etc) Basically to create a ...
1
vote
0answers
91 views

Objective-C Lesson in Class Design

I have the following classes: Teacher Student Class (like a school class) They all extend from KObject that has the following code: - initWithKey - send - processKey Teacher, Student ...
1
vote
1answer
170 views

Custom animation iOS

I have seen animation, and i can't figure out how to do something like in this video(youtube). I want to discuss how it's made. I don't think that they're using sprites. I have one idea how to do ...
1
vote
1answer
313 views

If I send an IPA over TestFlight, can it be used to deploy to the app store?

I am currently working for a small startup. I was previously under contract, now I am working for equity (no pay). The thing is, there is not yet a signed agreement in place as the details are being ...
0
votes
0answers
142 views

What is the best procedure to setup real-time data transfers with Redis?

I have setup a RESTful API using Ruby on Rails for an iPhone application.There are some instances, however, that I would like to use Real-Time Pub/Sub data-transfers, I have drawn up 2 potentials: ...