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

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2
votes
3answers
208 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 ...
-2
votes
2answers
182 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
780 views

iOS bluetooth development: mimicking the SPP profile

I need to interface a custom device with bluetooth 2.1 (it has the RN-42 chip), with an iPhone and iPad. The device uses the Bluetooth SPP profile. From my research it appears that iOS supports ...
1
vote
1answer
152 views

iOS Best practice for handling model objects

There are different levels I'm asking this question at. Case 1: Let's think about the typical drill-down design. Say a table view controller has an array of custom objects, and tapping a cell will ...
1
vote
1answer
259 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
1answer
256 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
1answer
124 views

Why do successive iOS versions take longer to run the same task on the same hardware?

Updating the iOS version on an old iPhone tends to make basic operations like startup, placing calls, and checking settings take longer. The change from eg iOS 7 to 8 on an iPhone 4S has a very ...
0
votes
1answer
160 views

Can Qt desktop programs be recompiled for Android/iOS as-is?

One of the advantages of open-source programs is that they can be ported easily to any platform simply by recompiling. Qt is also a cross-platform toolkit that can work on several platforms simply by ...
0
votes
1answer
195 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 ...
0
votes
1answer
2k 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
1answer
2k 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 ...
4
votes
0answers
185 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 ...
2
votes
0answers
116 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 ...
2
votes
0answers
314 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
0answers
23 views

Building back end for iOS/Android app using Django and Heroku

Background: I'm currently building a music streaming app (many requests per second) for a friend and am second-guessing my approach to it. The plan is to have an iOS app and an Android app, though I ...
1
vote
0answers
18 views

How should I manage updates for a this document object?

I have a object model like Document->Section->Value but Value can also be a table type so I then have Value->Row->Column->Value. The problem is that the object graph for a single document can be ...
1
vote
0answers
194 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 ...
1
vote
0answers
100 views

VPN system to analyze users traffic (onavo-like)

I would like to develop a system that is able to analize the network traffic of people using it. I am interested in the URLs that the users request. Let's say the users targeted are on iOS or Android ...
1
vote
0answers
751 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
vote
0answers
137 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 ...
0
votes
0answers
42 views

Swizzling of app Delegate method in Universal framework

I have created a universal framework in which i want to swizzle the App delegate's method so that i can get the device token directly in my framework Here is the code + (void)load { Method ...
0
votes
0answers
13 views

How would I go about creating a dequeing system annotation system like Mapkit

I simply can't do anything animation based in Android maps. You can't animate markers as custom views like you can with Mapkit. How would I go about creating an overlay projection that dequeues ...
0
votes
0answers
13 views

Using NSUUIDs as a unique handler registration token

I'm writing a class that allows you to register handler closures. For example, the handler I'm using is of type (APIError) -> Void. I also need to allow unregistration, so I need to give the ...
0
votes
0answers
13 views

Approach for efficiently working on view controllers in iOS app

When working on a specific view controller within an app, my approach has always been to make some changes to the code, launch the app, navigate to the view controller and see if everything is ...
0
votes
0answers
29 views

Design solution for currentUser object behavior in the SDK

Background Our team working on the SDK to give third-parties access to our service. The basic functional is moving around the current logged-in user. Basically we have a User class with static ...
0
votes
0answers
41 views

How to get dual UI for an ionic app?

I would like to get some suggestions for building a new app. This app has two faces/UI to it, buyer/seller. Users would have same account, and it would be seller and buyer. Its something similar to ...
0
votes
0answers
71 views

Did Apple violate OCP back when they released iOS 7

If I remember correctly, back when iOS 7 was released, there were a couple of issues regarding the public API of certain classes which implementation was completely changed. The following is an ...
0
votes
0answers
90 views

What's the accepted way of communication between two model objects in MVC?

I have a model object that fetches data through an URL connection, and another model object that stores and parses it. Eventually when the data is ready, a key-value observing notification is ...
0
votes
0answers
47 views

Design for local text storage (70 000 words) in iOS

I would like to code an interactive story app for iOS devices. There will be a large amount of words locally stored.(70 000, 35 000 for each language as the text will be available in two languages). ...
0
votes
0answers
119 views

How to create calendar events in android (that will work with iPhone later too)

I'm developing an Android app right now with a cloud back-end using Google App Engine + Cloud Endpoints (a RESTFUL service). Eventually, I will find an iPhone developer to make my app for iPhone ...
0
votes
0answers
73 views

Handling image and audio files in iOS

Currently I have an iOS app that downloads image and audio files from a server, but each view controller downloads its own set of image and audio files (This is because each view controller needs a ...
0
votes
0answers
1k 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. ...
0
votes
0answers
110 views

Unit Testing in iOS — Should I split out my Data Model into its 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 ...
0
votes
0answers
251 views

Do multiple 'helper' classes conflict with the accepted Apple design scheme?

I have a social location based application and I'm in a bit of design conflict that I can't seem to solve or find good information on. Realizing that I have multiple controllers that will similarly ...
-1
votes
0answers
15 views

Stack for Web/Android/iOS app

I have been trying searching for this answer but perhaps i am not able to use proper words so apologies if this question has been asked earlier. I want to create something for my startup. I have ...
-1
votes
0answers
53 views

Can we swizzle methods of other frameworks?

Can we swizzle methods of other frameworks? Can we swizzle UIApplicationDelegate methods in my custom framework(universal/static)
-2
votes
0answers
26 views

UITableView addition SWIFT

I have a UITableView that lists items. Each item has a quantity and a price. The information is saved in the CoreData and I need to get the total of all items I managed to get the total only for each ...