# 🎤 General Discussion **URL:** https://forums.kodeco.com/c/general/16.md?page=62 [Latest](https://forums.kodeco.com/latest.md) · [Categories](https://forums.kodeco.com/categories.md) · [Tags](https://forums.kodeco.com/tags.md) **Page:** 63 --- ## [Twitter Composer](https://forums.kodeco.com/t/twitter-composer/40443)
**Author:** [@jjazad](https://forums.kodeco.com/u/jjazad)\ **Replies:** 1\ **Last updated:** [March 26, 2018, 4:36am UTC](https://forums.kodeco.com/t/twitter-composer/40443 "2018-03-26T04:36:00Z")
Good morning all, I have an issue that I cannot figure out. My self.navigationController is throwing an exception with a nil value when I call the below method. However, calling a similar method for FaceBook works just f… --- ## [Kotlin and WebService API](https://forums.kodeco.com/t/kotlin-and-webservice-api/40561)
**Author:** [@urkman](https://forums.kodeco.com/u/urkman)\ **Replies:** 3\ **Last updated:** [March 23, 2018, 6:41pm UTC](https://forums.kodeco.com/t/kotlin-and-webservice-api/40561 "2018-03-23T18:41:50Z")
Hello, me as an iOS Developer want to convert one of my apps to android and I decided to take Kotlin, As my app heavily uses a WebService to get it’s data, my first question is: What is the best way to implement a Web… --- ## [Region in Android Studio to organize your code](https://forums.kodeco.com/t/region-in-android-studio-to-organize-your-code/39730)
**Author:** [@gentberani](https://forums.kodeco.com/u/gentberani)\ **Replies:** 1\ **Last updated:** [March 22, 2018, 10:20pm UTC](https://forums.kodeco.com/t/region-in-android-studio-to-organize-your-code/39730 "2018-03-22T22:20:59Z")
Hello best team, hope everyone is doing well here. I want to open a discussion about Regions Android Studio. As far as I know all examples in Raywenderlich in iOS projects, to organize the code you are using Pragma Ma… --- ## [Android / Kotlin - Book](https://forums.kodeco.com/t/android-kotlin-book/39108)
**Author:** [@rapier64](https://forums.kodeco.com/u/rapier64)\ **Replies:** 2\ **Last updated:** [March 22, 2018, 9:51pm UTC](https://forums.kodeco.com/t/android-kotlin-book/39108 "2018-03-22T21:51:12Z")
Hi, I would like to ask the RW team if you plan a ‘Kotlin Apprentice’ book for the Kotlin programming language? Thanks, Peter --- ## [Beginning RxSwift course](https://forums.kodeco.com/t/beginning-rxswift-course/40453)
**Author:** [@kiee79](https://forums.kodeco.com/u/kiee79)\ **Replies:** 1\ **Last updated:** [March 21, 2018, 7:10pm UTC](https://forums.kodeco.com/t/beginning-rxswift-course/40453 "2018-03-21T19:10:29Z")
Hi :slight\_smile: Do you know when roughly the basic RXSwift course will be available ? --- ## [Objective-C. NSDictionary](https://forums.kodeco.com/t/objective-c-nsdictionary/40365)
**Author:** [@hcri50](https://forums.kodeco.com/u/hcri50)\ **Replies:** 2\ **Last updated:** [March 20, 2018, 3:51pm UTC](https://forums.kodeco.com/t/objective-c-nsdictionary/40365 "2018-03-20T15:51:49Z")
NSString \*event = @“DictionaryTest”; NSString \*keyword = @“Trinidad Beach”; NSInterger keyword\_id = 91234; // I keep crashing when I use NSInterger NSString \*story\_id = @“0091234”; \_locationsDict = \[\[NSDictionary… --- ## [Instances in programming with swift](https://forums.kodeco.com/t/instances-in-programming-with-swift/40393)
**Author:** [@miraz16](https://forums.kodeco.com/u/miraz16)\ **Replies:** 3\ **Last updated:** [March 20, 2018, 5:15am UTC](https://forums.kodeco.com/t/instances-in-programming-with-swift/40393 "2018-03-20T05:15:05Z")
im currently doing the programming in swift course and they often time use the word instance, for example they would say “instance of the class” and i’ve been trying to google what it means, but havent found a definitive… --- ## [Advanced VR Mechanics With Unity and the HTC Vive – Part 2 (Need Help)](https://forums.kodeco.com/t/advanced-vr-mechanics-with-unity-and-the-htc-vive-part-2-need-help/40332)
**Author:** [@barrymdoyle](https://forums.kodeco.com/u/barrymdoyle)\ **Replies:** 5\ **Last updated:** [March 16, 2018, 6:42am UTC](https://forums.kodeco.com/t/advanced-vr-mechanics-with-unity-and-the-htc-vive-part-2-need-help/40332 "2018-03-16T06:42:57Z")
Hey guys, I’m going through the Advanced VR Mechanics With Unity Part 2 and I’ve come across a problem. I know this post is old, but things seemed to work so smoothly so I’m sure it’s a problem with my code and not just… --- ## [How to get paired bluetooth device in iOS](https://forums.kodeco.com/t/how-to-get-paired-bluetooth-device-in-ios/40127)
**Author:** [@karthik\_ch](https://forums.kodeco.com/u/karthik_ch)\ **Replies:** 1\ **Last updated:** [March 16, 2018, 3:20am UTC](https://forums.kodeco.com/t/how-to-get-paired-bluetooth-device-in-ios/40127 "2018-03-16T03:20:55Z")
Hi there, I am developing an application, where it requires to get the list of already paired bluetooth device. Is there a way to get the list of paired bluetooth device?? Thanks, Karthik. --- ## [Snapping to grid problem](https://forums.kodeco.com/t/snapping-to-grid-problem/40231)
**Author:** [@kishore5432](https://forums.kodeco.com/u/kishore5432)\ **Replies:** 1\ **Last updated:** [March 12, 2018, 10:00pm UTC](https://forums.kodeco.com/t/snapping-to-grid-problem/40231 "2018-03-12T22:00:13Z")
can any help me out on how to instantiate bomb from player to tile grid from this bomberman tutorial iam unable to solve this issue . if any one can solve this it will be appreciated a lot. thank you. Instantiate(bombPr… --- ## [How to add a vapor api to swift project](https://forums.kodeco.com/t/how-to-add-a-vapor-api-to-swift-project/39041)
**Author:** [@samgusaapp1993](https://forums.kodeco.com/u/samgusaapp1993)\ **Replies:** 10\ **Last updated:** [March 10, 2018, 7:13pm UTC](https://forums.kodeco.com/t/how-to-add-a-vapor-api-to-swift-project/39041 "2018-03-10T19:13:26Z")
I am curious. There are videos where we are taught to create a backend vapor project, but what do we do after that? How do we implement that backend into an iOS app? Thank you --- ## [iOS 11/Swift4 tutorial error on Xcode tips/tricks](https://forums.kodeco.com/t/ios-11-swift4-tutorial-error-on-xcode-tips-tricks/39103)
**Author:** [@karljay](https://forums.kodeco.com/u/karljay)\ **Replies:** 2\ **Last updated:** [March 7, 2018, 7:21am UTC](https://forums.kodeco.com/t/ios-11-swift4-tutorial-error-on-xcode-tips-tricks/39103 "2018-03-07T07:21:01Z")
I’ve been stuck on video 358 ‘Schemes and Targets’. The video is about a lite version of your product in the same project file. The project is Xcoder and the framework is Checkbox. The first method is by using differe… --- ## [I am looking for a component to display news](https://forums.kodeco.com/t/i-am-looking-for-a-component-to-display-news/39950)
**Author:** [@trifek](https://forums.kodeco.com/u/trifek)\ **Replies:** 4\ **Last updated:** [March 5, 2018, 4:52pm UTC](https://forums.kodeco.com/t/i-am-looking-for-a-component-to-display-news/39950 "2018-03-05T16:52:37Z")
Hello. Do you know such a component? http://serwer1356363.home.pl/pub/2.png In such a window I would like to display news downloaded from htmlem (if possible). --- ## [Core Data and Relationship (Unexpectedly found nil...)](https://forums.kodeco.com/t/core-data-and-relationship-unexpectedly-found-nil/39871)
**Author:** [@agenci](https://forums.kodeco.com/u/agenci)\ **Replies:** 2\ **Last updated:** [March 1, 2018, 9:23am UTC](https://forums.kodeco.com/t/core-data-and-relationship-unexpectedly-found-nil/39871 "2018-03-01T09:23:13Z")
Hello, I need help with “Thread 1: Fatal error: Unexpectedly found nil while unwrapping an Optional value” I have this NavigationController on my Storyboard: RoomTableViewController (with all my items:room-entity) goe… --- ## [Draggable connected UIViews in Swift](https://forums.kodeco.com/t/draggable-connected-uiviews-in-swift/39683)
**Author:** [@deniznasif](https://forums.kodeco.com/u/deniznasif)\ **Replies:** 3\ **Last updated:** [February 28, 2018, 11:30am UTC](https://forums.kodeco.com/t/draggable-connected-uiviews-in-swift/39683 "2018-02-28T11:30:28Z")
I am trying to create some draggable UIViews that are connected by lines. See image below: I can create the draggable circles by creating a class that is a subclass of UIView and overriding the draw function override… --- ## [Siri app suggestions](https://forums.kodeco.com/t/siri-app-suggestions/39686)
**Author:** [@kary993](https://forums.kodeco.com/u/kary993)\ **Replies:** 2\ **Last updated:** [February 26, 2018, 6:22am UTC](https://forums.kodeco.com/t/siri-app-suggestions/39686 "2018-02-26T06:22:29Z")
Can someone direct me to the documentation for how the “Siri APP Suggestions” are determined in the iOS framework? I am looking to do some other things but understanding how the app usage is accessed and managed would be… --- ## [Textfield not entering data into textfield](https://forums.kodeco.com/t/textfield-not-entering-data-into-textfield/39792)
**Author:** [@timswift](https://forums.kodeco.com/u/timswift)\ **Replies:** 1\ **Last updated:** [February 25, 2018, 7:22pm UTC](https://forums.kodeco.com/t/textfield-not-entering-data-into-textfield/39792 "2018-02-25T19:22:16Z")
My code uses a textfield to enter data into core data. Then have the core data displayed on a tableview. The problem is nothing is being displayed on the tableview. Don’t know why? import UIKit; import C… --- ## [SpriteKit elements in a SceneKit game](https://forums.kodeco.com/t/spritekit-elements-in-a-scenekit-game/39366)
**Author:** [@axorion](https://forums.kodeco.com/u/axorion)\ **Replies:** 2\ **Last updated:** [February 24, 2018, 9:00pm UTC](https://forums.kodeco.com/t/spritekit-elements-in-a-scenekit-game/39366 "2018-02-24T21:00:27Z")
After going through some of 3D iOS Games by Tutorial, I started working on some UI bits for an SceneKit project. Namely, I wanted to create labels and 2D buttons. I was able to utilize the example used in the Breakout ex… --- ## [Where to start research on scraping color data from websites?](https://forums.kodeco.com/t/where-to-start-research-on-scraping-color-data-from-websites/39766)
**Author:** [@nickmaxwell](https://forums.kodeco.com/u/nickmaxwell)\ **Replies:** 2\ **Last updated:** [February 24, 2018, 8:26pm UTC](https://forums.kodeco.com/t/where-to-start-research-on-scraping-color-data-from-websites/39766 "2018-02-24T20:26:47Z")
Hi there, I’m loving the tutorials on this site so far! I’ve learned so much already. Does anyone have a recommendation on where to start researching the ability to scrape color data from the internet? Specifically, I … --- ## [Push notification doesn't appear on notification center or locked screen](https://forums.kodeco.com/t/push-notification-doesnt-appear-on-notification-center-or-locked-screen/39728)
**Author:** [@ellajohn](https://forums.kodeco.com/u/ellajohn)\ **Replies:** 1\ **Last updated:** [February 24, 2018, 8:16pm UTC](https://forums.kodeco.com/t/push-notification-doesnt-appear-on-notification-center-or-locked-screen/39728 "2018-02-24T20:16:03Z")
Hi all, I’m working on an iOS app that uses push notifications. I followed this raywenderlich tutorial. I receive the notification when the app is running and it call the didReceiveRemoteNotification method. But the no… --- ## [Restoring in auto-renewing subscriptions](https://forums.kodeco.com/t/restoring-in-auto-renewing-subscriptions/39709)
**Author:** [@arm\_tab](https://forums.kodeco.com/u/arm_tab)\ **Replies:** 2\ **Last updated:** [February 23, 2018, 3:13pm UTC](https://forums.kodeco.com/t/restoring-in-auto-renewing-subscriptions/39709 "2018-02-23T15:13:15Z")
Hi guys, i’ve just read the https://www.raywenderlich.com/154737/app-purchases-auto-renewable-subscriptions-tutorial tutorial and have a question about restoring state. So if user taps on restore button, we call SKPaymen… --- ## [iPad Pro app crash...works everywhere else](https://forums.kodeco.com/t/ipad-pro-app-crash-works-everywhere-else/39685)
**Author:** [@myoung](https://forums.kodeco.com/u/myoung)\ **Replies:** 2\ **Last updated:** [February 23, 2018, 6:41am UTC](https://forums.kodeco.com/t/ipad-pro-app-crash-works-everywhere-else/39685 "2018-02-23T06:41:36Z")
I have an app the only crashes on a real iPad Pro. It runs fine on any simulator and on non-Pro iPads and all iPhones. Here are some messages that appear: \[ApplicationLifecycle\] Windows were created before application … --- ## [APNS Connection Failed: 0](https://forums.kodeco.com/t/apns-connection-failed-0/39679)
**Author:** [@jean-michel](https://forums.kodeco.com/u/jean-michel)\ **Replies:** 2\ **Last updated:** [February 21, 2018, 7:28pm UTC](https://forums.kodeco.com/t/apns-connection-failed-0/39679 "2018-02-21T19:28:39Z")
Hi there, since march 2017, I get a “APNS Connection Failed: 0” when I try to send a notification to my users. Certificates are ok, I tried through http://www.pushtry.com. Did someone faced to the same problem ? Any i… --- ## [Continuous animation along path](https://forums.kodeco.com/t/continuous-animation-along-path/39101)
**Author:** [@martinzly](https://forums.kodeco.com/u/martinzly)\ **Replies:** 11\ **Last updated:** [February 21, 2018, 1:18pm UTC](https://forums.kodeco.com/t/continuous-animation-along-path/39101 "2018-02-21T13:18:58Z")
Hi, please could You help me, how to do continuous (infinity) line animation along path without stopping - see attached picture — for path: path = UIBezierPath(roundedRect: CGRect.init(x: 0, y: 0, width: 100, height: 1… --- ## [Refactor Tab View to Storyboard in Xcode for MacOS apps?](https://forums.kodeco.com/t/refactor-tab-view-to-storyboard-in-xcode-for-macos-apps/39568)
**Author:** [@rsworden59](https://forums.kodeco.com/u/rsworden59)\ **Replies:** 1\ **Last updated:** [February 19, 2018, 9:40am UTC](https://forums.kodeco.com/t/refactor-tab-view-to-storyboard-in-xcode-for-macos-apps/39568 "2018-02-19T09:40:11Z")
Your IOS tutorials talk about “Refactor to Storyboard” in IOS apps but not in MacOS apps. Yours and other tutorials talk about refactoring Tab Bar view controllers. I’m trying to find out if Refactor to Storyboard works … --- ## [Can I reset the access rights for openURL?](https://forums.kodeco.com/t/can-i-reset-the-access-rights-for-openurl/39383)
**Author:** [@nmodin](https://forums.kodeco.com/u/nmodin)\ **Replies:** 2\ **Last updated:** [February 19, 2018, 7:51am UTC](https://forums.kodeco.com/t/can-i-reset-the-access-rights-for-openurl/39383 "2018-02-19T07:51:24Z")
I’m testing an app that opens other apps using their corresponding URL Scheme. When opening another app the first time, the user gets prompted to whether or not my app should be allowed to do so. If the user rejects thi… --- ## [Scrollview - two finger scrolling](https://forums.kodeco.com/t/scrollview-two-finger-scrolling/39438)
**Author:** [@andrews](https://forums.kodeco.com/u/andrews)\ **Replies:** 2\ **Last updated:** [February 18, 2018, 8:48pm UTC](https://forums.kodeco.com/t/scrollview-two-finger-scrolling/39438 "2018-02-18T20:48:01Z")
I’m trying to make a scrollview that will scroll using two fingers and I can get this to work by adding the following to the scrollview controller: self.scrollView.panGestureRecognizer.minimumNumberOfTouches = 2; self.… --- ## [Running localhost for local files in WKWebkitView](https://forums.kodeco.com/t/running-localhost-for-local-files-in-wkwebkitview/39213)
**Author:** [@deniznasif](https://forums.kodeco.com/u/deniznasif)\ **Replies:** 5\ **Last updated:** [February 18, 2018, 7:33pm UTC](https://forums.kodeco.com/t/running-localhost-for-local-files-in-wkwebkitview/39213 "2018-02-18T19:33:49Z")
Hello, I have a local html build which loads content dynamically, so therefore it needs localhost to run. Before when running content through the old webView this was done automatically so no additional setup was needed.… --- ## [Play a video from shared iTunes library (Home Sharing)](https://forums.kodeco.com/t/play-a-video-from-shared-itunes-library-home-sharing/39388)
**Author:** [@soofle616](https://forums.kodeco.com/u/soofle616)\ **Replies:** 1\ **Last updated:** [February 18, 2018, 6:25pm UTC](https://forums.kodeco.com/t/play-a-video-from-shared-itunes-library-home-sharing/39388 "2018-02-18T18:25:49Z")
Been digging around the dev documentation from Apple and posted on SO but can’t seem to find anything or even get a response on this. Is it possible to create an app that can connect to a user’s shared iTunes library via… --- ## [Swift 3.0 Cheat sheet Question](https://forums.kodeco.com/t/swift-3-0-cheat-sheet-question/30840)
**Author:** [@derekm](https://forums.kodeco.com/u/derekm)\ **Replies:** 3\ **Last updated:** [February 17, 2018, 1:32am UTC](https://forums.kodeco.com/t/swift-3-0-cheat-sheet-question/30840 "2018-02-17T01:32:23Z")
I thought I had a bit of a handle on arrays, but I don’t understand this. Can some one explain what the waldo part is doing at the array.append and why var waldo = array\[2\]. the (person) comes from that is being printe… [Previous page](https://forums.kodeco.com/c/general/16.md?page=61) [Next page](https://forums.kodeco.com/c/general/16.md?page=63)