Tagged Questions

Specific to Apple's iPhone and/or iPod touch, but inapplicable to iPad. For questions not dependent on hardware, use the "iOS" tag. Another tag to consider is "cocoa-touch" (but not "cocoa"). Please refrain from questions regarding the iTunes App Store or about iTunes Connect.

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229
votes
0answers
311k views

iPhone development on Windows [duplicate]

Possible Duplicate: How can I develop for iPhone using a Windows development machine? Is there a way to develop iPhone (iOS) applications on Windows? I really don't want to get yet another ...
280
votes
20answers
89k views

How to develop or migrate apps for iPhone 5 screen resolution?

The new iPhone 5 display has a new aspect ratio and a new resolution (1136 x 640 pixels). What is required to develop new or transition already existing applications to the new screen size? What ...
465
votes
19answers
170k views

How to check for an active Internet Connection on iPhone SDK?

I would like to check to see if I have an Internet connection on the iPhone using the Cocoa Touch libraries. I came up with a way to do this using an NSURL. The way I did it seems a bit unreliable ...
123
votes
9answers
83k views

How do I do base64 encoding on iphone-sdk?

I'd like to do base64 encoding and decoding, but I could not find any support from the iPhone SDK. How can I do base64 encoding and decoding with or without a library?
171
votes
15answers
92k views

Symbolicating iPhone App Crash Reports

I'm looking to try and symbolicate my iPhone app's crash reports. I retrieved the crash reports from iTunes Connect. I have the application binary that I submitted to the App Store and I have the ...
597
votes
12answers
177k views

Atomic vs nonatomic properties

What do atomic and nonatomic mean in property declarations? @property(nonatomic, retain) UITextField *userName; @property(atomic, retain) UITextField *userName; @property(retain) UITextField ...
375
votes
26answers
148k views

Can I embed a custom font in an iPhone application?

I would like to have an app include a custom font for rendering text, load it, and then use it with standard UIKit elements like UILabel. Is this possible? I found these links: ...
200
votes
18answers
64k views

UIDevice uniqueIdentifier Deprecated - What To Do Now?

It has just come to light that the UIDevice uniqueIdentifier property is deprecated in iOS 5 and above. No alternative method or property appears to be available or forthcoming. Many of our existing ...
227
votes
5answers
125k views

How do I create delegates in Objective-C?

I know how delegates work, and I know how I can use them. But how do I create them?
165
votes
4answers
60k views

How do I associate file types with an iPhone application?

On the subject of associating your iPhone app with file types. In this informative question I learned that apps could be associated with custom URL protocols. That was almost one year ago and since ...
289
votes
33answers
144k views

How to make a UITextField move up when keyboard is present

With the iPhone SDK: I have a UIView with UITextFields that brings up a keyboard. I need it to be able to: Allow scrolling of the contents of the UIScrollView to see the other text fields once the ...
215
votes
10answers
128k views

How to programmatically send SMS on the iPhone?

Does anybody know if it's possible, and how, to programmatically send a SMS from the iPhone, with the official SDK / Cocoa Touch?
188
votes
8answers
100k views

iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate]

Possible Duplicate: How to develop or migrate apps for iPhone 5 screen resolution? I was just wondering with how should we deal with the iPhone 5 bigger screen size. As it has more pixels ...
224
votes
11answers
114k views

Check iPhone iOS Version

I want to check if the iOS version of the device is greater then the 3.1.3 I tried things like: [[UIDevice currentDevice].systemVersion floatValue] but does not work, I just want a: if (version ...
147
votes
15answers
85k views

Determine device (iPhone, iPod Touch) with iPhone SDK

Is there a way to determine the device running an application. I want to distinguish between iPhone and iPod Touch if possible.

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