# šŸ“š Official Books **URL:** https://forums.kodeco.com/c/books/6.md?page=21 [Latest](https://forums.kodeco.com/latest.md) Ā· [Categories](https://forums.kodeco.com/categories.md) Ā· [Tags](https://forums.kodeco.com/tags.md) **Page:** 22 --- ## [How to use setFragmentBuffer(:::) function](https://forums.kodeco.com/t/how-to-use-setfragmentbuffer-function/124605)
**Author:** [@richmond\_jam](https://forums.kodeco.com/u/richmond_jam)\ **Replies:** 12\ **Last updated:** [September 30, 2022, 8:28am UTC](https://forums.kodeco.com/t/how-to-use-setfragmentbuffer-function/124605 "2022-09-30T08:28:42Z")
Hello Caroline, today I read Appleā€™s document and would u please tell me how to use setFragmentBuffer(:::slight\_smile: function --- ## [Chapter 13 Strange Xcode warning](https://forums.kodeco.com/t/chapter-13-strange-xcode-warning/178912)
**Author:** [@sxbsxb](https://forums.kodeco.com/u/sxbsxb)\ **Replies:** 6\ **Last updated:** [September 29, 2022, 8:02pm UTC](https://forums.kodeco.com/t/chapter-13-strange-xcode-warning/178912 "2022-09-29T20:02:25Z")
I get this strange warning from Xcode when I build the starter project. warning build: Run script build phase ā€˜SwiftLintā€™ will be run during every build because it does not specify any outputs. To address this warning, ā€¦ --- ## [Server Error no such module PackageDescription](https://forums.kodeco.com/t/server-error-no-such-module-packagedescription/177438)
**Author:** [@rlisle](https://forums.kodeco.com/u/rlisle)\ **Replies:** 4\ **Last updated:** [September 28, 2022, 10:45pm UTC](https://forums.kodeco.com/t/server-error-no-such-module-packagedescription/177438 "2022-09-28T22:45:35Z")
On my MBP M1 running ā€œswift runā€ results in an error Package.swift 2:8: error: no such module ā€˜PackageDescriptionā€™. Iā€™ve tried Rosetta ā€œarch -x86\_64 swift runā€ but no change. Iā€™m running Ventura beta, so thatā€™s probablā€¦ --- ## [PDF version available?](https://forums.kodeco.com/t/pdf-version-available/158666)
**Author:** [@bstover](https://forums.kodeco.com/u/bstover)\ **Replies:** 5\ **Last updated:** [September 28, 2022, 8:00pm UTC](https://forums.kodeco.com/t/pdf-version-available/158666 "2022-09-28T20:00:53Z")
Is there a PDF version of this available after purchase? The purchase button says ā€œEPUB and onlineā€, but I thought PDFs were making a comeback? https://www.raywenderlich.com/22267547-who-loves-pdf-books-we-do-again --- ## [Chapter 5 Location Issues](https://forums.kodeco.com/t/chapter-5-location-issues/179076)
**Author:** [@perlguy](https://forums.kodeco.com/u/perlguy)\ **Replies:** 1\ **Last updated:** [September 28, 2022, 4:59pm UTC](https://forums.kodeco.com/t/chapter-5-location-issues/179076 "2022-09-28T16:59:18Z")
Iā€™m to the part where I should be getting the location, but I am getting this instead: 2022-09-27 12:21:51.652742-0500 Blabber\[22372:2359525\] SWIFT TASK CONTINUATION MISUSE: shareLocation() leaked its continuation! --- ## [Chapter 7 Feedback](https://forums.kodeco.com/t/chapter-7-feedback/178881)
**Author:** [@kemmetdaniel](https://forums.kodeco.com/u/kemmetdaniel)\ **Replies:** 5\ **Last updated:** [September 27, 2022, 7:12pm UTC](https://forums.kodeco.com/t/chapter-7-feedback/178881 "2022-09-27T19:12:46Z")
working through V3.0 Chapter 7 and just some humble feed back. consider adding a one or two line summary of what constitutes a simple app vs a complicated one. Kinda admitting my faults, Iā€™m new to application developmenā€¦ --- ## [Shutdown() was not called before Application deinitialized](https://forums.kodeco.com/t/shutdown-was-not-called-before-application-deinitialized/142245)
**Author:** [@urbanistica](https://forums.kodeco.com/u/urbanistica)\ **Replies:** 3\ **Last updated:** [September 26, 2022, 11:53pm UTC](https://forums.kodeco.com/t/shutdown-was-not-called-before-application-deinitialized/142245 "2022-09-26T23:53:13Z")
Following the sample code for the book in writing tests. Now find that tests basically grind to a halt before anything really runs, and always with this message: \*\*Vapor/Application.swift:154: Fatal error: Application.sā€¦ --- ## [Chapter 7: Fooderlich\_pages.dart](https://forums.kodeco.com/t/chapter-7-fooderlich-pages-dart/178917)
**Author:** [@moathabusheikha](https://forums.kodeco.com/u/moathabusheikha)\ **Replies:** 1\ **Last updated:** [September 25, 2022, 10:58pm UTC](https://forums.kodeco.com/t/chapter-7-fooderlich-pages-dart/178917 "2022-09-25T22:58:28Z")
can you tell me where i cant find the file Fooderlich\_pages.dart --- ## [Chapter 6 No such module as RxSwift](https://forums.kodeco.com/t/chapter-6-no-such-module-as-rxswift/178798)
**Author:** [@saitowag](https://forums.kodeco.com/u/saitowag)\ **Replies:** 1\ **Last updated:** [September 25, 2022, 6:21pm UTC](https://forums.kodeco.com/t/chapter-6-no-such-module-as-rxswift/178798 "2022-09-25T18:21:22Z")
Hi, I have run pod install but still I am getting the error No such module ā€˜RxSwiftā€™ and the project is not building. --- ## [Suggestion: only add Copy button where it makes sense](https://forums.kodeco.com/t/suggestion-only-add-copy-button-where-it-makes-sense/178604)
**Author:** [@daviderb](https://forums.kodeco.com/u/daviderb)\ **Replies:** 1\ **Last updated:** [September 24, 2022, 9:02pm UTC](https://forums.kodeco.com/t/suggestion-only-add-copy-button-where-it-makes-sense/178604 "2022-09-24T21:02:21Z")
Whenever quoting code, even code that is meant to be replaced, the code block has an active Copy button. While you could make an argument that a reader might use the Copy button to prepare to paste the text into a searchā€¦ --- ## [Navigation chapter and simple mesh](https://forums.kodeco.com/t/navigation-chapter-and-simple-mesh/178712)
**Author:** [@marek-kuticka](https://forums.kodeco.com/u/marek-kuticka)\ **Replies:** 21\ **Last updated:** [September 24, 2022, 12:34pm UTC](https://forums.kodeco.com/t/navigation-chapter-and-simple-mesh/178712 "2022-09-24T12:34:49Z")
Hi @caroline one more thingā€¦ based on my previous questions, I am trying to modify the navigation chapter sample to be able to render simple mesh ( quad from chapter 4 ) instead of the full model, but it currently failā€¦ --- ## [Chapter 9 and 10 apps crashing with no error](https://forums.kodeco.com/t/chapter-9-and-10-apps-crashing-with-no-error/170442)
**Author:** [@artemitch](https://forums.kodeco.com/u/artemitch)\ **Replies:** 4\ **Last updated:** [September 23, 2022, 6:45pm UTC](https://forums.kodeco.com/t/chapter-9-and-10-apps-crashing-with-no-error/170442 "2022-09-23T18:45:09Z")
Midway through chapter 9, when implementing the ProfileInfo composable, the app started crashing straight after launch, occasionally saying the ā€œJetReddit keeps stoppingā€. I put this down to me doing something wrong, butā€¦ --- ## [Chapter 22 Retrieve user info from Google](https://forums.kodeco.com/t/chapter-22-retrieve-user-info-from-google/178813)
**Author:** [@anastasiiagolts](https://forums.kodeco.com/u/anastasiiagolts)\ **Replies:** 1\ **Last updated:** [September 23, 2022, 2:19pm UTC](https://forums.kodeco.com/t/chapter-22-retrieve-user-info-from-google/178813 "2022-09-23T14:19:37Z")
Hello everybody, Iā€™ve got a question about retrieving user data to my app. In the original app we donā€™t get any information about the logged in user, we just approve the request and then we can get their id by selectingā€¦ --- ## [New version available for this book? šŸ¤”](https://forums.kodeco.com/t/new-version-available-for-this-book/178714)
**Author:** [@capitainecaverne](https://forums.kodeco.com/u/capitainecaverne)\ **Replies:** 4\ **Last updated:** [September 23, 2022, 9:54am UTC](https://forums.kodeco.com/t/new-version-available-for-this-book/178714 "2022-09-23T09:54:54Z")
Hi everyone, Before buying this ebook in its second version, Iā€™d like to know if a third version is rather topical (iOS16, Xcode14)? Besides, if I buy this second version, will it be necessary to buy the ne version wheā€¦ --- ## [Chapter 13 starter project has a minor omission](https://forums.kodeco.com/t/chapter-13-starter-project-has-a-minor-omission/178678)
**Author:** [@daviderb](https://forums.kodeco.com/u/daviderb)\ **Replies:** 2\ **Last updated:** [September 22, 2022, 3:05pm UTC](https://forums.kodeco.com/t/chapter-13-starter-project-has-a-minor-omission/178678 "2022-09-22T15:05:28Z")
The Chapter 13 starter project doesnā€™t use the recipe image, but the pizza image. Itā€™s pretty easy to see the problem if you diff the Chapter 12 final project with the Chapter 13 starter project. --- ## [Occlusion culling](https://forums.kodeco.com/t/occlusion-culling/178694)
**Author:** [@marek-kuticka](https://forums.kodeco.com/u/marek-kuticka)\ **Replies:** 1\ **Last updated:** [September 22, 2022, 1:04am UTC](https://forums.kodeco.com/t/occlusion-culling/178694 "2022-09-22T01:04:43Z")
Hello @caroline is there any simple way in metal to enable occlusion culling for wireframe?? if I take Model chapter, there the model seems to be rendered with just visible faces,but I might be wrong. when textures are ā€¦ --- ## [Errata for Android Test-Driven Development by Tutorials 2nd Edition](https://forums.kodeco.com/t/errata-for-android-test-driven-development-by-tutorials-2nd-edition/144620)
**Author:** [@jellodiil](https://forums.kodeco.com/u/jellodiil)\ **Replies:** 0\ **Last updated:** [July 20, 2021, 11:22pm UTC](https://forums.kodeco.com/t/errata-for-android-test-driven-development-by-tutorials-2nd-edition/144620 "2021-07-20T23:22:07Z")
Creating this topic to catch any typos and bugs in the 2nd Edition of Android Test-Driven Development by Tutorials. --- ## [Is it possible to reuse command buffers and render command encoders?](https://forums.kodeco.com/t/is-it-possible-to-reuse-command-buffers-and-render-command-encoders/178445)
**Author:** [@graphicxlogic](https://forums.kodeco.com/u/graphicxlogic)\ **Replies:** 1\ **Last updated:** [September 17, 2022, 6:35am UTC](https://forums.kodeco.com/t/is-it-possible-to-reuse-command-buffers-and-render-command-encoders/178445 "2022-09-17T06:35:51Z")
So far I read chapter 1 to 5 and almost all the draw calls are repeating the same commands over and over. So I modified the code for Chapter 5 so that the command buffer only gets to be created once and encoder only encoā€¦ --- ## [Integration testing. Chapter 8](https://forums.kodeco.com/t/integration-testing-chapter-8/178329)
**Author:** [@xudoyshukur](https://forums.kodeco.com/u/xudoyshukur)\ **Replies:** 5\ **Last updated:** [September 20, 2022, 6:09am UTC](https://forums.kodeco.com/t/integration-testing-chapter-8/178329 "2022-09-20T06:09:50Z")
In the beginning everything was going smooth. But when I started reading Chapter 8, Iā€™d been a bit confused about Integration testing. What is Integration testing actually? In the example you tested a viewmodel (which sā€¦ --- ## [Chapter 6 - Build fails](https://forums.kodeco.com/t/chapter-6-build-fails/165582)
**Author:** [@naplesdave](https://forums.kodeco.com/u/naplesdave)\ **Replies:** 24\ **Last updated:** [September 20, 2022, 2:03am UTC](https://forums.kodeco.com/t/chapter-6-build-fails/165582 "2022-09-20T02:03:47Z")
I donā€™t mean to whine, but my frustration level is forcing me to askā€¦With all the changes to ANDROID STUDIO / DART / FLUTTER, it would be really nice if RW would update the Book project code so that it runs without me spā€¦ --- ## [Animation Timeline Issue](https://forums.kodeco.com/t/animation-timeline-issue/178493)
**Author:** [@generodely](https://forums.kodeco.com/u/generodely)\ **Replies:** 1\ **Last updated:** [September 19, 2022, 1:41pm UTC](https://forums.kodeco.com/t/animation-timeline-issue/178493 "2022-09-19T13:41:02Z")
Im having some sort of strange either error on my part or a glitch, the animation is lasting one frame longer than it should. Removing the last frame does shorten it but it still plays 1 frame longer than it should, as yā€¦ --- ## [Camera and moving scene object](https://forums.kodeco.com/t/camera-and-moving-scene-object/178477)
**Author:** [@marek-kuticka](https://forums.kodeco.com/u/marek-kuticka)\ **Replies:** 5\ **Last updated:** [September 19, 2022, 8:00am UTC](https://forums.kodeco.com/t/camera-and-moving-scene-object/178477 "2022-09-19T08:00:10Z")
Hi again Caroline after implementing part of code for chapter 9, where we introduce the camera, also after looking heavily into previous chapters, I have one question. what and how needs to be done, so that I can have tā€¦ --- ## [CH01 - Audio problem](https://forums.kodeco.com/t/ch01-audio-problem/178496)
**Author:** [@momenteye](https://forums.kodeco.com/u/momenteye)\ **Replies:** 2\ **Last updated:** [September 19, 2022, 7:10am UTC](https://forums.kodeco.com/t/ch01-audio-problem/178496 "2022-09-19T07:10:49Z")
So Iā€™ve already got the RealityComposer files and the sounds play in Reality Composerā€¦ However, the sounds donā€™t play in my version or the final. Iā€™m on Xcode 14.0 so maybe itā€™s a new thing? TinyToyTank\[13793:1035810\] ā€¦ --- ## [Issue save the data in Checklists app](https://forums.kodeco.com/t/issue-save-the-data-in-checklists-app/178512)
**Author:** [@selaman](https://forums.kodeco.com/u/selaman)\ **Replies:** 0\ **Last updated:** [September 18, 2022, 3:11pm UTC](https://forums.kodeco.com/t/issue-save-the-data-in-checklists-app/178512 "2022-09-18T15:11:57Z")
hello, after moving the function saveChecklists() to DataModel class I cannot save any new items and checklistItems after adding them. Does anyone have this issue and know how to solve it? --- ## [Why to pass the Camera,lighting and other info as stage\_in value to Vertex function?](https://forums.kodeco.com/t/why-to-pass-the-camera-lighting-and-other-info-as-stage-in-value-to-vertex-function/172363)
**Author:** [@santman](https://forums.kodeco.com/u/santman)\ **Replies:** 2\ **Last updated:** [June 2, 2022, 1:10pm UTC](https://forums.kodeco.com/t/why-to-pass-the-camera-lighting-and-other-info-as-stage-in-value-to-vertex-function/172363 "2022-06-02T13:10:47Z")
Hi All, I was wondering why we need to pass the camera, transformation, world co-ordinates, tangents, bitangents, normals etc to Vertex function? The ā€œpositionā€ attributes of-course is needed in Vertex function but othā€¦ --- ## [How to understand metal compute shader code?](https://forums.kodeco.com/t/how-to-understand-metal-compute-shader-code/178224)
**Author:** [@marek-kuticka](https://forums.kodeco.com/u/marek-kuticka)\ **Replies:** 7\ **Last updated:** [September 15, 2022, 9:09am UTC](https://forums.kodeco.com/t/how-to-understand-metal-compute-shader-code/178224 "2022-09-15T09:09:32Z")
Hello @caroline I hope this question is allowed, as it is related to a different repo/different tutorial, but it is Metal based. and I am using Your book, to try to understand that code. and related youtube video aboā€¦ --- ## [Swift 5.7 -\> 6 update?](https://forums.kodeco.com/t/swift-5-7-6-update/178333)
**Author:** [@peter.suwara](https://forums.kodeco.com/u/peter.suwara)\ **Replies:** 1\ **Last updated:** [September 15, 2022, 8:41am UTC](https://forums.kodeco.com/t/swift-5-7-6-update/178333 "2022-09-15T08:41:15Z")
Are there plans to update this book? Itā€™s an incredible collection of tidbits. Swift has dramatically evolved recently, so it would be good to get an updated version of the book. --- ## [Book and code vs. Flutter 3.3](https://forums.kodeco.com/t/book-and-code-vs-flutter-3-3/178211)
**Author:** [@daviderb](https://forums.kodeco.com/u/daviderb)\ **Replies:** 3\ **Last updated:** [September 14, 2022, 11:56pm UTC](https://forums.kodeco.com/t/book-and-code-vs-flutter-3-3/178211 "2022-09-14T23:56:53Z")
Thanks for updating the code to work with Flutter 3.3. However, that was a pretty big refactoring of the code and it isnā€™t consistent with the published book. Do you have a date in mind for making the third edition availā€¦ --- ## [Altering app\_router.dart to allow for stacks of a single page type](https://forums.kodeco.com/t/altering-app-router-dart-to-allow-for-stacks-of-a-single-page-type/166271)
**Author:** [@abeswede](https://forums.kodeco.com/u/abeswede)\ **Replies:** 2\ **Last updated:** [September 14, 2022, 10:20am UTC](https://forums.kodeco.com/t/altering-app-router-dart-to-allow-for-stacks-of-a-single-page-type/166271 "2022-09-14T10:20:43Z")
I am curious how I would alter the app\_router.dart file to allow for stacks of a single page type. When I try to just bring up a second instance of (for example) the grocery\_item\_screen.dart page it gives me the error thā€¦ --- ## [Must do Updates for projects in edition 2](https://forums.kodeco.com/t/must-do-updates-for-projects-in-edition-2/169130)
**Author:** [@maku](https://forums.kodeco.com/u/maku)\ **Replies:** 19\ **Last updated:** [September 14, 2022, 10:19am UTC](https://forums.kodeco.com/t/must-do-updates-for-projects-in-edition-2/169130 "2022-09-14T10:19:38Z")
While reading the second edition, the code always breaks. So I have to run the steps before the app can run on my device. flutter pub upgrade android:name=ā€œ${applicationName}ā€ // change in android manifest kotlin versiā€¦ [Previous page](https://forums.kodeco.com/c/books/6.md?page=20) [Next page](https://forums.kodeco.com/c/books/6.md?page=22)