All Questions
27,927
questions
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 ...
- 9,200
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?
- 23.5k
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 ...
- 5,690
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. ...
- 6,823
490
votes
4
answers
94k
views
Ignore Xcode warnings when using Cocoapods
I use quite a lot third party libraries which have many warnings in it, after the latest Xcode updates. (for example the Facebook SDK pod)
Now all these warnings are shown in my Xcode on the place I ...
- 11.7k
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?
- 4,421
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.
...
- 13.6k
290
votes
10
answers
139k
views
Build fat static library (device + simulator) using Xcode and SDK 4+
It appears that we can - theoretically - build a single static library that includes both simulator and iPhone and iPad.
However, Apple has no documentation on this that I can find, and Xcode's ...
- 33k
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?
- 22.5k
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 ...
- 113k
253
votes
38
answers
134k
views
Launch Screen storyboard not displaying image
I'm trying to get an image to display as the launch screen from my Launch Screen.storyboard file, however the image never displays. I have labels that show up fine, but the image doesn't appear.
This ...
- 3,413
252
votes
18
answers
197k
views
iOS app 'The application could not be verified' only on one device
I have two iphone devices( 4s and 5 ) connected to my computer and i am trying to install an application in both the devices. It installs pretty well in iphone 5 but it gives an error 'The application ...
- 3,434
242
votes
69
answers
622k
views
Apple Mach-O Linker Error when compiling for device
I've just upgraded to xcode 4.0 and I can no longer deploy to iPhone, I get a Apple Mach-O Linker Error, it still works for the simulator though.
Ld /Users/yveswheeler/Library/Developer/Xcode/...
241
votes
11
answers
99k
views
Xcode 'Build and Archive' menu item disabled
I have been using the new 'Build and Archive' feature of the latest Xcode 3.2.3. I like it.
Now I noticed that it is always disabled for some reason. I can't seem to figure out what I changed to ...
- 4,465
231
votes
20
answers
321k
views
missing private key in the distribution certificate on keychain
I have the following problem which I could not find a solution for anywhere. Basically, we have a company developer account (not enterprise) and so in order to submit our app, I requested from our ...
- 3,230
226
votes
3
answers
75k
views
What should Xcode 6 gitignore file include?
What should the typical .gitignore include for Xcode 6?
Also for information regarding the xccheckout introduced in Xcode 5 see here
- 33.9k
222
votes
10
answers
356k
views
How to create .ipa file using Xcode?
Please tell me the complete procedure to build my app & use it on a real iPhone.
- 3,357
222
votes
25
answers
37k
views
Xcode 4 says "finished running <my app>" on the targeted device -- Nothing happens
The app neither installs nor runs on my device. All provisioning profiles are up to date. I've already tried deleting and re-installing them.
The status bar shows that Xcode is building my project, ...
- 4,802
220
votes
21
answers
82k
views
Converting Storyboard from iPhone to iPad
I have an iPhone application which has a storyboard. Now I want to provide an iPad application too. So I asked me whether there is a function which helps me convert my iPhone storyboard to an iPad ...
- 7,335
220
votes
7
answers
153k
views
How to check if a file exists in Documents folder?
I have an application with In-App Purchase, that when the user buy something, download one html file into the Documents folder of my app.
Now I must check if this HTML file exists, so if true, load ...
- 2,669
219
votes
5
answers
66k
views
How do I enter RGB values into Interface Builder?
How can I enter RGB or Hex color values for backgrounds in Interface Builder? I can select predefined colors but I would like to manually enter in RGB values. Where can I do this?
- 60.5k
210
votes
16
answers
235k
views
Xcode 4 - "Valid signing identity not found" error on provisioning profiles on a new Macintosh install
I had a Macintosh I used to develop iPhone apps with using Xcode 4.
I now have a new Macintosh with a new install of... everything.
When opening Xcode projects built on the old Mac, I cannot run the ...
- 23.3k
207
votes
55
answers
66k
views
Xcode 4 hangs at "Attaching to (app name)"
I just upgraded to Xcode 4 and for some reason my app won't run in the simulator or iOS device. It was working perfectly in Xcode 3, but all of a sudden now when I press run the program stops at "...
195
votes
11
answers
188k
views
Xcode/Simulator: How to run older iOS version?
I'm thinking of upgrading to iOS SDK 4.2. But what I'm wondering is if I'll still be able to run the simulator as iOS 3.2. This is because I'm creating iAds for iPad but I still want to check if my ...
- 51.2k
187
votes
32
answers
139k
views
Certificate has either expired or has been revoked
A while ago I started coding a new iOS app. After a long break from it, I'm working on it again and have it almost complete.
I tested it on the simulator but when I tried to install it on my iPhone 6 (...
- 1,871
183
votes
8
answers
117k
views
ViewDidAppear is not called when opening app from background
I have a View Controller in which my value is 0 (label) and when I open that View Controller from another ViewController I have set viewDidAppear to set value 20 on label. It works fine but when I ...
- 2,855
182
votes
40
answers
75k
views
Cannot generate iOS App archive in xcode
I have a problem generating a iOS App archive from an application. The application compiles just fine and even works in the simulator. Now I wanted to make som ad hoc testing and cannot generate the ...
- 7,740
174
votes
24
answers
76k
views
Could not launch process launch failed: timed out waiting for app to launch
I am trying to launch my app on device. It is launching successfully on the simulator.
List item
I use 7.1 SDK
Xcode 5
And the device is a 7.1 iPhone 4S
I have tried:
Clean
Clean Build Folder
...
- 2,077
174
votes
30
answers
154k
views
Check if my app has a new version on AppStore
I would like to manually check if there are new updates for my app while the user is in it, and prompt him to download the new version. Can I do this by checking the version of my app in the app store ...
- 2,691
165
votes
17
answers
132k
views
iphone: Where the .dSYM file is located in crash report
According to this page here if you have proper application binary and .dSYM file then it is easy to symbolic them. But where are .dSYM and application binary files located?
- 1,747
165
votes
4
answers
75k
views
Static table view outside UITableViewController
After the new Xcode update, my app doesn't validate and shows this error:
static table views are only valid when embedded in UITableViewController instances
Any chances to solve easily?
- 2,185
156
votes
9
answers
106k
views
iPhone get SSID without private library
I have a commercial app that has a completely legitimate reason to see the SSID of the network it is connected to: If it is connected to a Adhoc network for a 3rd party hardware device it needs to be ...
- 2,021
154
votes
3
answers
211k
views
What is a provisioning profile used for when developing iPhone applications?
What is the purpose of a provisioning profile and why is it needed when developing an iPhone application? If I don't have a provisioning profile, what happens?
- 1,829
149
votes
19
answers
158k
views
Detecting when the 'back' button is pressed on a navbar
I need to perform some actions when the back button(return to previous screen, return to parent-view) button is pressed on a Navbar.
Is there some method I can implement to catch the event and fire ...
user440096
147
votes
36
answers
144k
views
Xcode doesn't see my iOS device but iTunes does
I have a strange problem.
I have an iPad with iOS 5.0.1 (9A405) and iOS SDK 5.0.1 with Xcode 4.2 (Build 4C199) installed on my Mac.
Xcode doesn't see my device. It says "iOS Device" not "Sauron's ...
- 2,130
147
votes
6
answers
70k
views
How to programmatically display version/build number of target in iOS app?
How can I programmatically get the value of the target version, like in the image below?
As seen in the Properties window of the target of my Xcode project. I want to display this in the splash ...
- 4,030
147
votes
10
answers
262k
views
How to create P12 certificate for iOS distribution
We have an iOS app whose push notification cert has expired and we're trying to create a new one. I've created new certs in the Provisioning portal (ios_developer.cer, ios_distribution.cer) and ...
- 1,781
142
votes
12
answers
58k
views
How do I type using my keyboard on the iphone simulator?
I used to be able to type with my real mac keyboard after launching the iPhone Simulator. Typing with the on-screen simulator keyboard is just horrible when testing with large amounts of text.
No ...
- 9,684
141
votes
8
answers
78k
views
How to create fixed space and flexible space bar button items programmatically?
I want to create UIBarButtonItems programmatically and place these fixed space items between buttons.
- 3,750
138
votes
12
answers
32k
views
You are not authorised to use this service iTunes app upload error [closed]
Since the Apple "Users & Roles" update to iTunesConnect end of november 2015 some people have been experiencing an error message "iTunes Store operation Failed" and "You are not authorized to use ...
- 3,824
137
votes
35
answers
210k
views
Could not load NIB in bundle
I am trying to integrate Janrain Engage as custom module with Appcelerator Titanium. I have created a sample module and dragged the JREngage folder to the sample module xcodeproj as indicated in the ...
- 2,849
136
votes
31
answers
148k
views
Reason: no suitable image found [closed]
dyld: Library not loaded: @rpath/libswiftCore.dylib
Referenced from: /var/mobile/Containers/Bundle/Application/3FC2DC5C-A908-42C4-8508-1320E01E0D5B/Stylist.app/Stylist
Reason: no suitable image ...
- 2,186
133
votes
19
answers
151k
views
How to set UITextField height?
I am using a UITextField. I want to increase its height but I have not found any property to do this. How can I achieve this?
- 3,478
132
votes
11
answers
84k
views
Storyboard warning: prototype table cells must have reuse identifiers
I am getting this warning from storyboard - prototype table cells must have reuse identifiers.
I have renamed the identifier in the attributes inspector but it does not seem to have removed the ...
- 3,106
129
votes
18
answers
98k
views
iPhone Simulator location
Where on my machine is the iPhone simulator installed?
I'm been trying to find where a test application I run in the simulator is stored.
- 28.1k
127
votes
16
answers
104k
views
iOS – Run/Debug/Install builds over Wi-Fi
We have iPad and iPhone devices, but short of wires. Is there any way that we can install/debug the builds over Wi-Fi in iOS?
I know the way in Android, but not of iOS.
user3572586
126
votes
14
answers
33k
views
Check if UIColor is dark or bright?
I need to determine whether a selected UIColor (picked by the user) is dark or bright, so I can change the color of a line of text that sits on top of that color, for better readability.
Here's an ...
- 4,457
125
votes
14
answers
67k
views
Rounded UIView using CALayers - only some corners - How?
In my application - there are four buttons named as follows:
Top - left
Bottom - left
Top - right
Bottom - right
Above the buttons there is an image view (or a UIView).
Now, suppose a user taps on -...
- 24.7k
123
votes
27
answers
51k
views
SourceKitService Consumes CPU and Grinds Xcode to a Halt
This is NOT a Beta issue. I am on Xcode 6.0.1, production release. The issue I am having is that when I try to do a Build or Run the code I am working on, Xcode becomes unresponsive for large periods ...
- 5,579
123
votes
4
answers
63k
views
Where are ${EXECUTABLE_NAME} and ${PRODUCT_NAME} defined
Where can I find information on how to modify these
${EXECUTABLE_NAME}
${PRODUCT_NAME}
These are only displayed in .plist file but where are the actual values.
If we can directly modify what ever ...
- 1,365