iOS - Read For Learn

Xcode: Could not locate device support files

Actually, there is a way. You just need to copy DeviceSupport folder for iOS 7.1 from Older Xcode to the new one. It’s located in: /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport/7.1 If you don’t have the 7.1 files anymore, you can download a previous version of XCode on https://developer.apple.com/download/more/, extract it, and then copy these files to following path /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport/ Credit

UIButton title text color

use Objective-C Swift

Add a simple UIView as header of UICollectionView

In swift like below Register Header View In UICollectionViewDataSource Important is that you are supply the flow layout with the header size Otherwise the data source method will not get called

Convert .cer to .p12

try this: given you have files as follow: aps.cer, downloaded from Apple. app.key, your own private key generated by openssl. 1st, convert the .cer file into .pem format: 2nd, use the .pem file and your private .key to generate .p12 file: this should prompt to ask a password for this .p12 file. CF: aps_developer_identity.cer to … Read more

What is the meaning of ‘No bundle URL present’ in react-native?

When I run a react-native project, I get a error no bundle URL present , but I don’t know what mistakes I do, I was very confused.

Could not insert new outlet connection: Could not find any information for the class named

Here are some things that can fix this (in increasing order of difficulty): Clean the project (Product > Clean) Manually paste in @IBOutlet weak var viewName: UIView! // or @IBAction func viewTapped(_ sender: Any) { } and control drag to it. (Change type as needed.) Also see this. Completely close Xcode and restart your project. … Read more

com.apple.WebKit.WebContent drops 113 error: Could not find specified service

Finally, solved the problem above. I was receiving errors Could not signal service com.apple.WebKit.WebContent: 113: Could not find specified service Since I have not added WKWebView object on the view as a subview and tried to call -loadHTMLString:baseURL: on the top of it. And only after it was successfully loaded I was adding it to view’s subviews – which … Read more

warning: ‘characters’ is deprecated: Please use String or Substring directly

Swift 4 introduced changes on string API.You can just use !stringValue.isEmpty instead of stringValue.characters.count > 0 for more information you get the sample from here for e.g

“Could not find any information for class named ViewController”

This bug has been driving me nuts since I started using Xcode (4.6.3). Whenever I try to link a Storyboard item to my code, I get the error: Could not find any information for class named ViewController. This happens with custom classes as well. I’ve tried methods such as: Deleting the delegate data. Removing and … Read more

Got a EXC_CORPSE_NOTIFY symbol crash, how to track it?

EXC_CORPSE_NOTIFY is irrelevant. The important information is in the Exception Type (EXC_CRASH (SIGABRT)) and the backtrace. A crash in -[__NSArrayM insertObject:atIndex:] usually occurs when you are attempting to insert a nil object into an NSMutableArray. I’m not sure what LotumMobStatLogManager is, as you haven’t provided the relevant source code. If that is an external dependency, I would reach out to the developers with … Read more

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