Tagged Questions

iOS is Apple's operating system for mobile devices, such as the iPhone, iPod touch, iPad and Apple TV (2nd generation) devices. It shares a lot with Mac OS X, but is optimized for touch-based interfaces.

learn more… | top users | synonyms (2) | ios jobs

0
votes
2answers
22 views

Dismissing both UINavigation views and Modal views at once programmatically

I have tried a few answers on this site, but none of them seem to relate to my problem I have a MasterDetail app which has a two types of segues that I am using. When you press a button on the detail ...
0
votes
1answer
14 views

Is it possible to take an image from a UIWebView and display it natively without reloading?

Say I load a webpage with an image on it. Is there a way to reuse this loaded image within a UIImageView without reloading the image from a url?
0
votes
2answers
17 views

Need help understanding how the << bitwise operator works in Objective-C

I was looking into how one uses the UISwipeGestureRecognizer class in Objective-C and happened to run across an enum named UISwipeGestureRecognizerDirection. Apple defines this as: typedef enum { ...
0
votes
0answers
5 views

Parsing the Root Element of XML with TBXML

Currently I am having an issue using TBXML to parse an XML service. At the moment.... I am doing this: TBXML *configTBXML = [[TBXML alloc] initWithXMLData:[request responseData]]; TBXMLElement ...
0
votes
0answers
5 views

How to get value of emmpty tag in ParseXML ios

I want to get all value of empty tag in Parse XML, because when parse xml if emtpy tag, it missed. Emx: my xml : <STATE>2</STATE> <MEMO/> So If it is empty tag, I want get value ...
0
votes
0answers
4 views

ios - Setting the color of the moreNavigation when TabBarController is not the RootViewController

I am trying to set the color of the UINavigationBar on a UITabBarController. Now I know this can be done with: UINavigationController* more = self.tabBarController.moreNavigationController; ...
0
votes
0answers
11 views

how to debug scroll block for an app?

the main screen in my app is a scrollView, and if I scroll it from right to left, it will show another view. However, the scroll view will be blocked for a while when switch view, I think that's maybe ...
-1
votes
0answers
15 views

using a UIlabel on MKMapview, Do I create a speedometer class, locationmanger or both class?

Im trying to add this and I don't know how to get started? Any help will be appreciated. Thanks in advance I added this part to main.m Im using Xcode 4.6 and I want to know if i have to make a new ...
0
votes
0answers
16 views

how to search items from the database and reload UITableview using a search bar?

I have several UITableViews controlled by same ViewController. I want to add search bars for each UITableViews. That searchbar should search items from the database (using web service). Not within the ...
0
votes
0answers
7 views

Why does a hardware accelerated change in height cause a flicker on Safari?

I'm trying to track down a bug in Mobile Safari on iOS. The issue is related to CSS3 3d transforms and/or how webkit renders 3d stacked elements. Edit: At first I thought this was just an iOS bug on ...
0
votes
0answers
17 views

UITableView is asking for a ghost section after a batch row and section deletion, causing a crash

I have myself a UITableView which is initialized with a total of 8 sections, most sections only have 1 row but a few have 2. I am doing a batch deletion of rows in the table. I realize that some of ...
-1
votes
1answer
24 views

Frustrating issue with NSTask and NSTaskDidTerminateNotification

So for the record I have searched for days on this issue. Finally I am at the point where I am just stuck. I have read the Threading programming guide and followed closely when it talks about ...
0
votes
0answers
6 views

Using mobileconfig to access advertiser identifier on mobile safari

I'm trying to get the IFA of an iOS device but having a hard time figuring out how to go about that. I know with mobile config profiles you can access the UDID but I need the advertiser identifier if ...
0
votes
2answers
6 views

Looping Audio in xCode with AudioToolbox.framework

I have would like to play audio on the startup of my app, but, first of all, the audio doesn't play! No matter how i code it. And secondly I would love to loop it if i can. @implementation ...
-1
votes
0answers
15 views

How to create a custom iOS Music Library for iPhone and iPod music application. (I want to use the songs in the phone not my own custom songs) [on hold]

I am new to Apple Developing and I have taugh my self quite alot but now i'm stuck on a feature that I am trying to implement in my iPhone App. My objective of my app is to make a new way and feel to ...
0
votes
0answers
9 views

Notification of terminated in-app subscription

I have an iPhone app that is a subscription. How can I be notified if someone cancels their subscription? Is there code to provide the user with this capability? Does Apple tell you when someone ...
0
votes
2answers
18 views

UITextView won't scroll while background thread busy

I'm running mathematical computation in a background thread. Attempting to post results in real time in a UITextView. However the results don't show up until the background thread completes. Why not? ...
0
votes
2answers
21 views

Using mutable arrays in other classes

I've tried several ways that i've found here but none have worked. what would be an easy way to pass this NSMutalbeArray into another View controller? NSMutableArray *pph = [[NSMutableArray ...
-1
votes
1answer
11 views

Which back-end solution should I consider with a native iOS App? [on hold]

I'm developing a native iOS app that interacts with a back end server. The app need to retrieve some data from facebook (using fb SDK) and send it to the backend where data is processed , returned to ...
0
votes
2answers
14 views

NSFileManager not saving Data

I am trying to save data into a directory created by NSFileManager but when I try and retrieve the data and NSLog it I get null. Also, when you create a directory does that mean you create a folder at ...
0
votes
2answers
18 views

In iPhone how do I know when all of my map's annotations have loaded?

In my app I have a table view that toggles the annotations on a map view. I can go back and forth between the table view and map view through the tab bar controller. My map will reload the annotations ...
0
votes
0answers
12 views

Apple Mach -O Linker Error

I have created an app in Unity and exported it to Xcode using the inbuilt Program, and i am unable to get rid of this Apple Mach -O Linker Error Here is the Error Ld ...
0
votes
2answers
10 views

Display scale on mapView

I want to display a scale on a mapView. I found this thread, from which I added the following code to my mapViewController.m: - (void)mapView:(MKMapView *)map regionDidChangeAnimated:(BOOL)animated ...
0
votes
2answers
8 views

Disable all UIPanGestureRecognizers after `touchesBegan:withEvent:`

Is there a way to disable all of the UIPanGestureRecognizers that a touch effects? I am hoping to be able to isolate all touch events to one of my subviews and have every superview ignore all the ...
0
votes
4answers
14 views

Transfer devices from one Apple dev account to another

I have about 60 devices registered under one developer account in the Apple dev portal. I need to add those same devices for a new app under a completely different dev account. I'm really, really ...
0
votes
1answer
15 views

uiLabel in another viewcontroller is not updated when uicollectionview cell select

I placed an UIcollectionview in a viewcontroller (working successfully). I want to open another viewcontroller and update the label in this vc with the selected cell text. I am using following code ...
0
votes
0answers
8 views

iOS - spiderweb control like in wikilinks

I would like to implement a control similiar to the wikipedia-article connection in the wikilinks-app. https://itunes.apple.com/de/app/wikilinks-die-intelligente/id555005650?mt=8 Any pointers or ...
0
votes
2answers
16 views

Google maps api for iOS using storyboard

i'm trying to add Google map to my app in map view and i want to put features like the one that in whatsapp. By providing the near places , search bar and share my current location. Can any body help ...
1
vote
1answer
9 views

Can webrtc built on OpenTok API work on IE?

I'm running the OpenTok demo WebRTC app on Chrome - and it works great. But if I load the page in IE, it gives me an error message (about page compatibility). Pretty obvious solution is to use the old ...
0
votes
0answers
33 views

SIGABRT error when clicking a switch in the simulator

I have been working on an iPhone app Cruzia and was wondering if anyone knows why I am getting this SIGABRT error in the simulator whenever I click one of the switches in the options menu of my game. ...
0
votes
2answers
24 views

Add UIView when keyboard is shown without being dimmed out

This question is a bit difficult to explain. I have a textfield on top (where the navigation bar is usually is) and when I start editing text, the keyboard shows and auto dims the background. I want ...
0
votes
2answers
17 views

iOS SDK - Reusing methods across multiple classes

I'm trying to wrap my head around some of the OOP features in objective-c. It seems that using protocols is encouraged, while extending classes to add functionality is discouraged. My problem: I ...
0
votes
1answer
24 views

Display one thing on iPad and another on Apple Tv?

I have an app idea, but I'm not sure if it's possible. I was wondering if I'm able to display one thing on the iPad ( or iPhone ) screen, and something totally different on the Apple Tv at the same ...
0
votes
4answers
65 views

ARC forbids autorelease?

New to ios and trying to return an NSString from an function. As I understand, I need to [NSString... alloc] init] in order to create the string for return. Also, since I called alloc, I guess I have ...
-1
votes
1answer
21 views

Expected Expression error in XCode for IOS

Thanks for all your help previously! I have finally created a functioning Open GL game. Only problem is that there is an error in the most basic part of the UI. The IBAction. Here is a screenshot of ...
0
votes
1answer
9 views

How to use AFOAuth1Token with AFRESTClient

I'm able to get a valid instance of AFOAuth1Token using AFOAuth1Client, and I'm able to save it to the keychain for reuse. My singleton instance of AFOAuth1Client is able to make calls using the ...
0
votes
0answers
10 views

Saving / restoring auto-renewing receipts without duplicates

I'm developing an app with auto-renewing receipts, and saving them in the server, which is all working great, until the user restores their purchases - this causes duplicates. The transaction_id ...
0
votes
2answers
40 views

Accessing NSDictionary retrieves an object instead of NSString

I have an NSDictionary that I fill with JSON. It all looks great, and it is partially working for me. I am setting a property of my class that is of type NSString equal to a value for a certain key, ...
0
votes
0answers
5 views

Application running when executing iOS tests interfere Nocilla Stubs

I'm using Nocilla to stub HTTP requests and it is working ok. I can stub the requests, return json fixtures and assert over it. The problem is that the application runs when the test starts and some ...
0
votes
0answers
10 views

How to clip image to UIView animating over it?

I've been looking around here and seeing lots of questions that seem related, but I haven't found anything that's exactly what I need. I have three UIViews that are animating inside a custom ...
1
vote
1answer
24 views

OpenGL Add Vertices After Load

I am parsing a 3D file into OpenGL ES on an iOS device and after I get the vertices I can't seem to add them to the GLfloat containing my vertices. At the top of my file I declare this GLFloat: ...
0
votes
0answers
14 views

Getting an entitlements error on install even with no entitlements file

It was just recently noticed that we are getting the install error: entitlement 'application-identifier' has value not permitted by a provisioning profile The app still installs, so I don't know if ...
0
votes
2answers
14 views

Setting the title of current column in UITextField from UIPickerView?

I have a UIPickerView that is being automatically loaded in loaded when a user touches the UITextField, at the end of selection the user can close the UIPicker by touching the "close" that I have ...
1
vote
1answer
14 views

Fetch Device IP Addresses/MAC address of devices connected to a LAN

Currently I am wondering how I would go about implementing a fetch request to a local wireless network (router) to obtain all devices currently connected to a currently connected LAN.... So I've done ...
0
votes
2answers
47 views

How to allow multiple views use the same controller class?

I've made a Model class called DBcontrols and I'm trying to use it in multiple views. (I'm still trying to learn proper MVC technique on iOS.) But the 2nd view, a TableVC, doesn't go to it. I'm ...
0
votes
0answers
15 views

Take picture in PhoneGap using FILE_URI with remote base url

I have a phonegap application which is initialized from a remote URL. I want to take a picture and display it in the app. Per the documentation, I am using FILE_URI as the destination type: ...
0
votes
0answers
9 views

Browser extension for iPad, table, android, iPhone? (js injection)

Is there a way to create a browser extension in any of the popular mobile devices? I'm thinking of something that can inject javascript, read the dom, and send the information somewhere.
0
votes
2answers
13 views

Refresh Container View on Button Press

I have a UIViewController with a container view which holds a UITableView. Within the UITableView I have a NSFetchController with NSPredicate that uses variables from the intial UIViewcontroller (I ...
-1
votes
0answers
36 views

Android vs iOS app RAM usage [on hold]

Why does Android apps generally use a much larger amount of RAM than similar iOS apps? Is this a classic "Java is generally bad/outdated" or is it because of the Android OS implementation handles apps ...
0
votes
1answer
24 views

System not showing push notification

I'm implementing push notifications and they are received correctly if the application is in foreground ,didReceiveRemoteNotification is called with the data. So I think token and server problems are ...

1 2 3 4 5 … 3179