Highest scored 'iphone+ios' questions

1270 votes

42 answers

1.1m views

How can I develop for iPhone using a Windows development machine?

Is there any way to tinker with the iPhone SDK on a Windows machine? Are there plans for an iPhone SDK version for Windows? The only other way I can think of doing this is to run a Mac VM image on a ...

Community wiki

6 revs, 6 users 36%
ryan

909 votes

25 answers

554k views

Xcode error "Could not find Developer Disk Image"

When attempting to run a build on a connected iOS device in Xcode I get the error: Could not find Developer Disk Image I saw that there was a public beta for Xcode, so I installed it. One of the ...

Nathan Kramer

9,200

asked Jun 9, 2015 at 15:48

588 votes

21 answers

358k views

Is it possible to disable the network in iOS Simulator?

I am trying to debug some inconsistent behaviour I am seeing in an application that gets its primary data from the Internet. I don't see the issues in the simulator, just on the device, so I'd like ...

Paul Hammond

6,366

asked Jan 26, 2011 at 18:30

570 votes

24 answers

234k views

How to lose margin/padding in UITextView

I have a UITextView in my iOS application, which displays a large amount of text. I am then paging this text by using the offset margin parameter of the UITextView. My problem is that the padding of ...

sniurkst

7,282

asked Apr 14, 2009 at 7:42

550 votes

32 answers

411k views

How to determine the current iPhone/device model?

Is there a way to get the device model name (iPhone 4S, iPhone 5, iPhone 5S, etc) in Swift? I know there is a property named UIDevice.currentDevice().model but it only returns device type (iPod touch,...

The Mach System

6,863

asked Sep 25, 2014 at 1:08

530 votes

20 answers

308k views

Take screenshots in the iOS simulator

I want to take a screenshot of my iOS application when it is running in the simulator, and save the screenshot on my Mac. How can I do this?

Shreyash Mahajan

23.5k

asked Aug 17, 2011 at 12:17

523 votes

12 answers

281k views

Missing Compliance status in TestFlight

When I added my latest build for internal testing with TestFlight, I saw that it had a "Missing Compliance" status. Is this a major problem? Why does this appear? How can I resolve this ...

Chandan Jee

5,690

asked Mar 7, 2016 at 10:19

513 votes

8 answers

156k views

iPad Multitasking support requires these orientations

I'm trying to submit my universal iOS 9 apps to Apple (built with Xcode 7 GM) but I receive this error message for the bundle in iTunes Connect, just when I select Submit for Review: Invalid Bundle. ...

Cosmin

6,823

asked Sep 14, 2015 at 7:53

511 votes

35 answers

223k views

How to navigate through textfields (Next / Done Buttons)

How can I navigate through all my text fields with the "Next" Button on the iPhone Keyboard? The last text field should close the Keyboard. I've setup the IB the Buttons (Next / Done) but now I'm ...

phx

5,937

asked Aug 28, 2009 at 15:34

504 votes

30 answers

150k 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 (640 x 1136 pixels). What is required to develop new or transition already existing applications to the new screen size? What ...

Lukasz

19.9k

asked Sep 12, 2012 at 19:44

435 votes

42 answers

262k views

Xcode "Device Locked" When iPhone is unlocked

When I tried to build and run, Xcode said my device was locked. I looked at my iPhone, and it's not locked at all. How do I fix this?

Faisal Syed

4,421

asked Nov 6, 2014 at 23:37

383 votes

23 answers

199k views

Images can't contain alpha channels or transparencies

Apple has released new version of iTunes Connect & I got an error message when I tried to set Screenshots on itunes connect for my app. "Images can't contain alpha channels or transparencies."

Yasika Patel

6,386

asked Sep 5, 2014 at 8:43

376 votes

31 answers

199k views

Determine device (iPhone, iPod Touch) with iOS

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

Rob

5,588

asked Jan 15, 2009 at 19:36

375 votes

10 answers

315k views

Remove or uninstall library previously added : cocoapods

I added an external framework via cocoapods into my iOS application. How can i remove that library from the project?

Lithu T.V

20k

asked Dec 6, 2012 at 19:35

370 votes

6 answers

172k views

Proper way to renew distribution certificate for iOS

My distribution certificate is expiring on June 7th, along with all of my provisioning files. How do I properly renew it? Should I revoke it now and request a new one? If I do that than will all my ...

user1413558

3,899

asked May 25, 2012 at 18:59

367 votes

24 answers

214k views

How to use Auto Layout to move other views when a view is hidden?

I have designed my custom Cell in IB, subclassed it and connected my outlets to my custom class. I have three subviews in cell content which are: UIView (cdView) and two labels (titleLabel and ...

Guferos

4,357

asked Aug 5, 2013 at 19:16

362 votes

48 answers

213k views

Xcode error: Failed to prepare device for development

I have updated to Xcode 12.3 beta. device version is 14.2, but Xcode complaining: Errors were encountered while preparing your device for development. Please check the Devices and Simulators Window. ...

Hashem Aboonajmi

13.6k

asked Nov 23, 2020 at 18:33

358 votes

16 answers

258k views

How do I draw a shadow under a UIView?

I'm trying to draw a shadow under the bottom edge of a UIView in Cocoa Touch. I understand that I should use CGContextSetShadow() to draw the shadow, but the Quartz 2D programming guide is a little ...

Fraser Speirs

4,642

asked Apr 30, 2009 at 8:07

349 votes

20 answers

146k views

iOS UIImagePickerController result image orientation after upload

I am testing my iPhone application on an iOS 3.1.3 iPhone. I am selecting/capturing an image using a UIImagePickerController: UIImagePickerController *imagePicker = [[UIImagePickerController alloc] ...

james

26.2k

asked Mar 25, 2011 at 1:41

348 votes

42 answers

191k views

library not found for -lPods

I got an error when archiving a project. This is my environment. Mac OS Lion Xcode 4.3.1 iOS SDK 5.1 The project deployment target is: IPHONEOS_DEPLOYMENT_TARGET 3.2 The error shows: ld: library ...

angelokh

9,328

asked Mar 25, 2012 at 20:39

346 votes

33 answers

124k views

What are best practices that you use when writing Objective-C and Cocoa? [closed]

I know about the HIG (which is quite handy!), but what programming practices do you use when writing Objective-C, and more specifically when using Cocoa (or CocoaTouch).

Community wiki

7 revs, 6 users 50%
pixel

344 votes

17 answers

276k views

iPhone App Icons - Exact Radius?

I'm trying to create the icon for my iPhone app, but don't know how to get the exact radius that the iPhone's icons use. I've searched and searched for a tutorial or a template but can't find one. I'...

Frank Barson

3,469

asked Jan 20, 2010 at 21:53

343 votes

22 answers

239k views

Color Tint UIButton Image

I noticed that when I place a white or black UIImage into a UISegmentedControl it automatically color masks it to match the tint of the segmented control. I thought this was really cool, and was ...

Logan Shire

5,063

asked Nov 7, 2013 at 6:26

339 votes

9 answers

236k views

Programmatically get own phone number in iOS

Is there any way to get own phone number by standard APIs from iPhone SDK?

Vadim

9,463

asked Oct 10, 2008 at 22:03

327 votes

15 answers

191k views

How to hide 'Back' button on navigation bar on iPhone?

I added a navigation control to switch between views in my app. But some of the views shouldn't have 'Back' (the previous title) button. Any ideas about how to hide the back button?

Chilly Zhong

16.8k

asked Mar 5, 2009 at 10:15

324 votes

18 answers

203k views

Detect current device with UI_USER_INTERFACE_IDIOM() in Swift

What is the equivalent of UI_USER_INTERFACE_IDIOM() in Swift to detect between iPhone and iPad? I get an Use of unresolved identifier error when compiling in Swift.

Berry Blue

15.8k

asked Jun 5, 2014 at 11:43

319 votes

7 answers

165k views

Why does viewWillAppear not get called when an app comes back from the background?

I'm writing an app and I need to change the view if the user is looking at the app while talking on the phone. I've implemented the following method: - (void)viewWillAppear:(BOOL)animated { [...

Philip Walton

30.1k

asked Mar 11, 2011 at 20:25

317 votes

23 answers

244k views

UITableview: How to Disable Selection for Some Rows but Not Others

I am displaying in a group tableview contents parsed from XML. I want to disable the click event on it (I should not be able to click it at all) The table contains two groups. I want to disable ...

Warrior

39.2k

asked Feb 15, 2010 at 18:14

314 votes

35 answers

189k views

Adding images or videos to iPhone Simulator

I am trying to use UIImagePickerController with UIImagePickerControllerSourceTypePhotoLibrary, but it says, "No photos". Where does the simulator get the images from? Where should I copy the images so ...

Vijayeta

5,615

asked Jan 22, 2009 at 12:08

307 votes

15 answers

530k views

Capturing mobile phone traffic on Wireshark

How can I capture mobile phone traffic on Wireshark?

Xara

8,938

asked Mar 4, 2012 at 13:48

304 votes

8 answers

90k views

How to Sync iPhone Core Data with web server, and then push to other devices? [closed]

I have been working on a method to sync core data stored in an iPhone application between multiple devices, such as an iPad or a Mac. There are not many (if any at all) sync frameworks for use with ...

Jason

14.6k

asked Feb 17, 2011 at 21:52

302 votes

24 answers

156k views

How to detect iPhone 5 (widescreen devices)?

I've just upgraded to Xcode 4.5 GM and found out that you can now apply the '4" Retina' size to your view controller in the storyboard. Now if I want to create an application that runs on both ...

Finn Gaida

4,010

asked Sep 16, 2012 at 12:50

299 votes

10 answers

231k views

How can we programmatically detect which iOS version is device running on? [duplicate]

I want to check if the user is running the app on iOS less than 5.0 and display a label in the app. How do I detect which iOS is running on user's device programmatically? Thanks!

meetpd

9,219

asked Oct 21, 2011 at 11:30

294 votes

24 answers

182k views

Creating a left-arrow button (like UINavigationBar's "back" style) on a UIToolbar

I'd love to create a "back" left-arrow-bezel button in a UIToolbar. As far as I can tell, the only way to get one of these is to leave UINavigationController at default settings and it uses one for ...

Marco

15k

asked Oct 22, 2008 at 18:45

293 votes

24 answers

255k views

Proper way to exit iPhone application?

I am programming an iPhone app, and I need to force it to exit due to certain user actions. After cleaning up memory the app allocated, what's the appropriate method to call to terminate the ...

user21293

6,479

asked Dec 10, 2008 at 5:42

291 votes

21 answers

315k views

How to add line break for UILabel?

Let see that I have a string look like this: NSString *longStr = @"AAAAA\nBBBBB\nCCCCC"; How do I make it so that the UILabel display the message like this AAAAA BBBBB CCCCC I don't ...

Thang Pham

38.5k

asked Feb 22, 2010 at 17:52

287 votes

35 answers

322k views

Xcode 8 shows error that provisioning profile doesn't include signing certificate

Xcode 8 shows error that provisioning profile doesn't include signing certificate. This issue is with Xcode-8 only with Xcode 7, same provisioning profile showing related identified certificate.

Satish Mavani

4,995

asked Sep 19, 2016 at 7:54

287 votes

6 answers

271k views

String replacement in Objective-C

How to replace a character is a string in Objective-C?

4thSpace

44k

asked Mar 20, 2009 at 22:26

286 votes

8 answers

166k views

Processing Symbol Files in Xcode

I was wondering if anyone could tell me what Xcode is actually doing when it says: "Processing Symbol Files" after plugging in your device?

Woodstock

22.5k

asked Oct 4, 2013 at 18:02

285 votes

38 answers

226k views

Detect if the device is iPhone X

My iOS app uses a custom height for the UINavigationBar which leads to some problems on the new iPhone X. Does someone already know how to reliable detect programmatically (in Objective-C) if an app ...

Andrei Herford

18.1k

asked Sep 13, 2017 at 8:12

285 votes

6 answers

137k views

What does ENABLE_BITCODE do in xcode 7?

I have a problem with the embedded bitcode term. What is embedded bitcode? When to enable, ENABLE_BITCODE in new Xcode? What happens to the binary when enabled, ENABLE_BITCODE in Xcode 7?

damithH

5,158

asked Jun 9, 2015 at 3:40

283 votes

17 answers

94k views

Where are iOS simulator screenshots stored?

I have saved some screenshots in the iPhone Simulator running iOS 5, but I can't find them. I had this problem before, and it took me frickin' ages to find them in the file system. Is this so simple ...

Flyingkiwi

3,146

asked Nov 27, 2011 at 14:05

282 votes

21 answers

269k views

Aligning text and image on UIButton with imageEdgeInsets and titleEdgeInsets

Historic question. Note that 15 years later, .imagePadding is the space between the image and label. Original question: I would like to place an icon left of the two lines of text such that there's ...

Justin Galzic

3,971

asked Dec 30, 2010 at 17:09

281 votes

14 answers

215k views

Cocoa Touch: How To Change UIView's Border Color And Thickness?

I saw in the inspector that I can change the background color, but I'd like to also change the border color and thickness, is this possible?

Shai UI

51.2k

asked Jul 25, 2010 at 18:07

277 votes

6 answers

91k views

Warning: The Copy Bundle Resources build phase contains this target's Info.plist file

I've separated a project into two builds and given each of them a plist file. Everything works fine, but I keep getting this build warning: Warning: The Copy Bundle Resources build phase contains ...

nevan king

113k

asked Jun 22, 2010 at 17:37

275 votes

7 answers

143k views

How to store custom objects in NSUserDefaults

Alright, so I've been doing some poking around, and I realize my problem, but I don't know how to fix it. I have made a custom class to hold some data. I make objects for this class, and I need to ...

Ethan Mick

9,537

asked Feb 23, 2010 at 3:39

272 votes

23 answers

285k views

How to get device make and model on iOS?

I was wondering if it's possible to determine what kind of iPhone (for example) the currentdevice is? I know it's possible to get the model through NSString *deviceType = [[UIDevice currentDevice] ...

Nathan Fraenkel

3,442

asked Jun 25, 2012 at 21:19

271 votes

6 answers

127k views

Always pass weak reference of self into block in ARC?

I am a little confused about block usage in Objective-C. I currently use ARC and I have quite a lot of blocks in my app, currently always referring to self instead of its weak reference. May that be ...

the_critic

12.8k

asked Nov 17, 2013 at 12:51

270 votes

10 answers

186k views

How to disable scrolling in UITableView table when the content fits on the screen

I have a few (grouped style) tables in my iphone app (only on part of the screen and added with Interface Builder though, not subclassed from UITableViewController) that 80% of the time are small and ...

Ginny

3,111

asked Sep 14, 2011 at 3:07

265 votes

8 answers

162k 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 in ...

jturolla

6,626

asked Sep 12, 2012 at 21:40

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