nsunknownkeyexception

App terminating due to uncaught exception NSUnknownKey Exception , key value not coding compliant [duplicate]

由 最后都变了- 提交于 2020-01-21 19:17:06
问题 This question already has answers here : Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant for the key X" error? (68 answers) Closed 4 years ago . Sorry for asking such an easy question, but im a beginner I was following a tutorial on building apps. I was creating a button, but i accidently named it wrong, i named it instead of when creating the outlet. I named it right though when i created the action. I ran my app and it failed, because my

CustomCell is empty or results in SIGABRT error [W/Code]

由 让人想犯罪 __ 提交于 2020-01-06 11:48:06
问题 I'm trying to create a video player that displays in a UITableView the thumbnails, titles and descriptions of the videos. When the user clicks on the raw it will open a new view with a WebView where the video will be played. In the present moment I'm still trying to set the custom cell. I'm getting an error on the AppDelegate.swift file on the class AppDelegate: UIResponder, UIApplicationDelegate { line and the error is: Thread 1: signal SIGABRT . The error log is at the end of this post. In

'NSUnknownKeyException': this class is not key value coding-compliant for the key

由 谁都会走 提交于 2019-12-22 07:04:10
问题 I got this message: *** Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[<FirstViewController 0x601b610> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key newCell.' How do I solve it? 回答1: That is generally due to deleting an IB object but forgetting to delete it's links. IE deleting a UIScrollView but forgetting to delete how it used to link into UIView through an IBOutlet. Had the same problem earlier today... found the answer

Class is not key value coding compliant

由 烂漫一生 提交于 2019-12-13 04:24:19
问题 I have a NavigationController , root view controller called "ViewController" and a second view controller called "SettingsViewController". I have a segue to the "SettingsViewController" from "ViewController" which worked until I tried to connect a UITextField called "usernameField" to the "SettingsViewController" by means of Reference Outlet. When I did I got the following error whenever I try to go to the SettingsViewController: *** Terminating app due to uncaught exception

NSUnknownKeyExeption using firebase and NSobject

由 我只是一个虾纸丫 提交于 2019-12-12 01:16:39
问题 2018-12-30 15:01:23.228731+0200 iChat[51679:726127] *** Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[ setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key username.' (lldb) Using firebase dictionary to setvalue for a key to NSobject class import UIKit class User: NSObject { var email: String? var username: String? } Function func fetchUsers() { Database.database().reference().child("users").observe(.childAdded) { (snap) in if let

How to catch NSUnknownKeyException in swift 2.2?

由 只愿长相守 提交于 2019-12-10 18:07:08
问题 I have a code where I want to set value for key as following: item.setValue(field.1, forKey: field.0) and I want to catch if the NSUnknownKeyException is thrown but I have the following code and it is not working: do { try item.setValue(field.1, forKey: field.0) } catch _ { print("Trying to set wrong value for the item ") } The displayed error when it is a not valid key is the following: Terminating app due to uncaught exception 'NSUnknownKeyException', reason: setValue:forUndefinedKey: How

'NSUnknownKeyException': this class is not key value coding-compliant for the key

由 五迷三道 提交于 2019-12-05 10:37:59
I got this message: *** Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[<FirstViewController 0x601b610> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key newCell.' How do I solve it? That is generally due to deleting an IB object but forgetting to delete it's links. IE deleting a UIScrollView but forgetting to delete how it used to link into UIView through an IBOutlet. Had the same problem earlier today... found the answer here: http://www.iphonedevsdk.com/forum/iphone-sdk-development/47036-setvalue-forundefinedkey-class-not-key

xcode error: …this class is not key value coding-compliant for the key ibShadowedLargeTitleTextAttributes

由 房东的猫 提交于 2019-12-04 15:35:16
问题 I keep getting this error. The app worked before I used a color set. The error says something about ibShadowedLargeTitleTextAttributes . I dont have any color set for the large title shadow, I am using the default (clear). I restarted Xcode, used a color for the shadow, removed it again. The error keeps showing up when I want to run it, but the built succeeds. The full error message: Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[<UINavigationBar 0x10650fd10>

App terminating due to uncaught exception NSUnknownKey Exception , key value not coding compliant [duplicate]

由 好久不见. 提交于 2019-12-02 06:51:57
This question already has an answer here: Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant for the key X" error? 67 answers Sorry for asking such an easy question, but im a beginner I was following a tutorial on building apps. I was creating a button, but i accidently named it wrong, i named it instead of when creating the outlet. I named it right though when i created the action. I ran my app and it failed, because my instances called on , not (at least i think thats why my app crashed. So deleted the outlet and and the automatic code xcode

Uncaught exception: This class is not key value coding-compliant [duplicate]

由 不打扰是莪最后的温柔 提交于 2019-11-27 01:39:19
This question already has an answer here: Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant for the key X" error? 66 answers I'm following a tutorial titled "Swift Tutorial for iOS : NSFileManager Persisting Data" , and I've encountered an error around or after the 29 minute mark. When I try running it on the iOS simulator, I receive the error: Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[ setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key theLoadMethod.' Obviously based off the
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