# Questions about Thunkable X **URL:** https://community.thunkable.com/c/thunkable/49.md?page=367 [Latest](https://community.thunkable.com/latest.md) · [Categories](https://community.thunkable.com/categories.md) · [Tags](https://community.thunkable.com/tags.md) **Page:** 368 --- ## [How can I make loops?](https://community.thunkable.com/t/how-can-i-make-loops/763264)
**Author:** [@nbeerten](https://community.thunkable.com/u/nbeerten)\ **Replies:** 1\ **Last updated:** [August 23, 2020, 5:00pm UTC](https://community.thunkable.com/t/how-can-i-make-loops/763264 "2020-08-23T17:00:35Z")
So, i’m making a simple app to display GPS coordinates that need to be refreshed every (let’s say) 5 seconds. How can i let it refresh it every 5 seconds? I got it working to load on app start. Like this (img down here)… --- ## [Actech custom UI](https://community.thunkable.com/t/actech-custom-ui/29040)
**Author:** [@actech](https://community.thunkable.com/u/actech)\ **Replies:** 27\ **Last updated:** [August 23, 2020, 4:55pm UTC](https://community.thunkable.com/t/actech-custom-ui/29040 "2020-08-23T16:55:15Z")
Updated release of custom components (May 28, 2018). https://x.thunkable.com/copy/b620534dc3d9479b1eda0fdcbb25f4d9 Spinner Radio List Checkbox List Dialog Toast Checkbox Radio button Toggle button Floating acti… --- ## [Changing Data Viewer Data Source by blocks?](https://community.thunkable.com/t/changing-data-viewer-data-source-by-blocks/628702)
**Author:** [@cgiou](https://community.thunkable.com/u/cgiou)\ **Replies:** 7\ **Last updated:** [August 23, 2020, 4:08pm UTC](https://community.thunkable.com/t/changing-data-viewer-data-source-by-blocks/628702 "2020-08-23T16:08:22Z")
Hi everybody Do we have any option to change Data Viewer data source by blocks ? --- ## [HELP ME ! Web http post thunkable vs app inventor](https://community.thunkable.com/t/help-me-web-http-post-thunkable-vs-app-inventor/762209)
**Author:** [@allpremiumsalesc8](https://community.thunkable.com/u/allpremiumsalesc8)\ **Replies:** 2\ **Last updated:** [August 23, 2020, 11:41am UTC](https://community.thunkable.com/t/help-me-web-http-post-thunkable-vs-app-inventor/762209 "2020-08-23T11:41:17Z")
I am a bit confuse using Thunkable because I used to use APP Inventor. it seems that it is a bit different if i want to use HTTP POST. I need your help guys to convert my blocks from APP Inventor below in Thunkable … --- ## [Any tips for reducing errors in my project?](https://community.thunkable.com/t/any-tips-for-reducing-errors-in-my-project/710029)
**Author:** [@penny](https://community.thunkable.com/u/penny)\ **Replies:** 10\ **Last updated:** [August 23, 2020, 11:38am UTC](https://community.thunkable.com/t/any-tips-for-reducing-errors-in-my-project/710029 "2020-08-23T11:38:10Z")
Hi, There have been some problems which the Thunkable team have been working on to rectify built/downloaded app crashes. But what are the steps we should take to be sure our apps are not the cause of the problem? If an … --- ## [!HELP HERE! after firebase call get: variables used in key get null](https://community.thunkable.com/t/help-here-after-firebase-call-get-variables-used-in-key-get-null/761791)
**Author:** [@dami\_flepp](https://community.thunkable.com/u/dami_flepp)\ **Replies:** 2\ **Last updated:** [August 23, 2020, 9:20am UTC](https://community.thunkable.com/t/help-here-after-firebase-call-get-variables-used-in-key-get-null/761791 "2020-08-23T09:20:34Z")
Hello In first screen user can sign in with firebase and his user ID is saved in a stored variable. Then moves to 2. screen. In there the user can save some date in Firebase, with his user ID as reference. However, af… --- ## [List viewer empty after iterating through list of strings](https://community.thunkable.com/t/list-viewer-empty-after-iterating-through-list-of-strings/761793)
**Author:** [@fenomatikfj5v62](https://community.thunkable.com/u/fenomatikfj5v62)\ **Replies:** 1\ **Last updated:** [August 22, 2020, 11:33pm UTC](https://community.thunkable.com/t/list-viewer-empty-after-iterating-through-list-of-strings/761793 "2020-08-22T23:33:47Z")
I am getting list of string as API response body but when I try to put it in a list viewer by iterating each element it just shows empty rows but doesn’t show string/text API response body is : \[“One”, “Two”, “Three”, … --- ## [Dowloaded App Takes Long To Start/Initialize](https://community.thunkable.com/t/dowloaded-app-takes-long-to-start-initialize/761352)
**Author:** [@maptheunknown](https://community.thunkable.com/u/maptheunknown)\ **Replies:** 1\ **Last updated:** [August 22, 2020, 10:06pm UTC](https://community.thunkable.com/t/dowloaded-app-takes-long-to-start-initialize/761352 "2020-08-22T22:06:24Z")
I’m trying to get my app to start up faster. When I downloaded the app to my phone (iOS Apple 7+ iOS 13.6), there is a 1 or 2 seconds delay from the user clicks on the app icon before it actually starts my code blocks or… --- ## [Your app currently targets API level 28 and must target at least API level 29 to ensure it is built on the latest APIs optimized for security and performance](https://community.thunkable.com/t/your-app-currently-targets-api-level-28-and-must-target-at-least-api-level-29-to-ensure-it-is-built-on-the-latest-apis-optimized-for-security-and-performance/743008)
**Author:** [@priyank.eler](https://community.thunkable.com/u/priyank.eler)\ **Replies:** 5\ **Last updated:** [August 22, 2020, 3:19pm UTC](https://community.thunkable.com/t/your-app-currently-targets-api-level-28-and-must-target-at-least-api-level-29-to-ensure-it-is-built-on-the-latest-apis-optimized-for-security-and-performance/743008 "2020-08-22T15:19:53Z")
Your app currently targets API level 28 and must target at least API level 29 to ensure it is built on the latest APIs optimized for security and performance. Download APK today and uploaded for release got this error. … --- ## [Get data problem](https://community.thunkable.com/t/get-data-problem/758007)
**Author:** [@nsldon552](https://community.thunkable.com/u/nsldon552)\ **Replies:** 4\ **Last updated:** [August 22, 2020, 1:14pm UTC](https://community.thunkable.com/t/get-data-problem/758007 "2020-08-22T13:14:31Z")
Why can only get the first page but not the second page? --- ## [Suddenty the "find first accurance of item" dosent work right](https://community.thunkable.com/t/suddenty-the-find-first-accurance-of-item-dosent-work-right/747216)
**Author:** [@funhall](https://community.thunkable.com/u/funhall)\ **Replies:** 5\ **Last updated:** [August 22, 2020, 8:26am UTC](https://community.thunkable.com/t/suddenty-the-find-first-accurance-of-item-dosent-work-right/747216 "2020-08-22T08:26:01Z")
I have 2 places in my app i use this block. And everything have worked before. And suddently it dossent work yesterday. It just stop there and dosent go on. Very strange. --- ## [How to execute a task only once per day, regardless of how much times the app is opened after the task?](https://community.thunkable.com/t/how-to-execute-a-task-only-once-per-day-regardless-of-how-much-times-the-app-is-opened-after-the-task/758635)
**Author:** [@kartik14](https://community.thunkable.com/u/kartik14)\ **Replies:** 9\ **Last updated:** [August 22, 2020, 6:28am UTC](https://community.thunkable.com/t/how-to-execute-a-task-only-once-per-day-regardless-of-how-much-times-the-app-is-opened-after-the-task/758635 "2020-08-22T06:28:51Z")
Hi all! :wave: I have a task to do, let’s say, update a stored value, only once a day. So, If the user opens the app for the first time for the day, the task must execute. If the user opens the app again the same day,… --- ## [How do I make a free app with a premium subscription option?](https://community.thunkable.com/t/how-do-i-make-a-free-app-with-a-premium-subscription-option/757369)
**Author:** [@lic.erickurena1988k1](https://community.thunkable.com/u/lic.erickurena1988k1)\ **Replies:** 2\ **Last updated:** [August 21, 2020, 6:21pm UTC](https://community.thunkable.com/t/how-do-i-make-a-free-app-with-a-premium-subscription-option/757369 "2020-08-21T18:21:56Z")
Hi, I can’t find how to make my free app have a premium subscription mode. How do they do it in thunkable? iOS, Android and Web App? Thank you, Thunkable is the future. --- ## [\[Solved\] Border color is in Advanced Settings](https://community.thunkable.com/t/solved-border-color-is-in-advanced-settings/759541)
**Author:** [@mrtwocanes](https://community.thunkable.com/u/mrtwocanes)\ **Replies:** 1\ **Last updated:** [August 21, 2020, 4:32pm UTC](https://community.thunkable.com/t/solved-border-color-is-in-advanced-settings/759541 "2020-08-21T16:32:12Z")
Early on in my app development, I made my banner’s (row) border yellow. I decided it needed to be silver instead. So I changed the row’s border color to silver on several screens. As soon as I go back to a screen alre… --- ## [\[Solved\] Delete letters from the beginning of text?](https://community.thunkable.com/t/solved-delete-letters-from-the-beginning-of-text/70051)
**Author:** [@point](https://community.thunkable.com/u/point)\ **Replies:** 8\ **Last updated:** [August 13, 2020, 2:55pm UTC](https://community.thunkable.com/t/solved-delete-letters-from-the-beginning-of-text/70051 "2020-08-13T14:55:42Z")
How do I delete a number of letters from the beginning of the text? --- ## [How can I add in-app payment method in the Thunkable app created in iOS devices?](https://community.thunkable.com/t/how-can-i-add-in-app-payment-method-in-the-thunkable-app-created-in-ios-devices/563219)
**Author:** [@technovationhc4](https://community.thunkable.com/u/technovationhc4)\ **Replies:** 4\ **Last updated:** [August 21, 2020, 2:21pm UTC](https://community.thunkable.com/t/how-can-i-add-in-app-payment-method-in-the-thunkable-app-created-in-ios-devices/563219 "2020-08-21T14:21:55Z")
Hello everyone, I am creating an app that involves in-app payments between two users. I want to create a system in which a user can transfer his or her money to another user through credit card payment or other modes of… --- ## [Problemas ao publicar APK na Play Store](https://community.thunkable.com/t/problemas-ao-publicar-apk-na-play-store/41476)
**Author:** [@lojavirtualrr](https://community.thunkable.com/u/lojavirtualrr)\ **Replies:** 4\ **Last updated:** [August 21, 2020, 1:53pm UTC](https://community.thunkable.com/t/problemas-ao-publicar-apk-na-play-store/41476 "2020-08-21T13:53:35Z")
Eu tentei carregar um App contendo apenas uma imagem, e um botão para testes sem nenhuma extensão ou código, mesmo assim apareceu esta mensagem de erro: No momento, o nível de aplicação da API é 22 no entanto, enquanto … --- ## [\[Solved\] My downloaded app won't open](https://community.thunkable.com/t/solved-my-downloaded-app-wont-open/686257)
**Author:** [@Balanced\_Kitchen](https://community.thunkable.com/u/Balanced_Kitchen)\ **Replies:** 108\ **Last updated:** [August 21, 2020, 12:01pm UTC](https://community.thunkable.com/t/solved-my-downloaded-app-wont-open/686257 "2020-08-21T12:01:04Z")
Initial startup - OK After closed and open again - the app closes or crash. After cleaning the data - Everything is repeated from the beginning --- ## [Mi lista se borra al agregar nuevos datos](https://community.thunkable.com/t/mi-lista-se-borra-al-agregar-nuevos-datos/757453)
**Author:** [@Jimmy\_S.Gonzalez](https://community.thunkable.com/u/Jimmy_S.Gonzalez)\ **Replies:** 3\ **Last updated:** [August 21, 2020, 11:26am UTC](https://community.thunkable.com/t/mi-lista-se-borra-al-agregar-nuevos-datos/757453 "2020-08-21T11:26:09Z")
alguien podría ayudarme?? cuando abro la aplicación por primera vez en el celular todo funciona, se guardan los datos pero al momento de cerrarla y abrirla nuevamente los datos actuales se borran al momento de guardar nu… --- ## [How to update app published on ios?](https://community.thunkable.com/t/how-to-update-app-published-on-ios/704689)
**Author:** [@trawellit](https://community.thunkable.com/u/trawellit)\ **Replies:** 16\ **Last updated:** [August 21, 2020, 9:21am UTC](https://community.thunkable.com/t/how-to-update-app-published-on-ios/704689 "2020-08-21T09:21:39Z")
Hi, I find only 1 post about the updating of the app on ios but is not really clear. Can someone explain how does it work to update app on ios? Thanks :slight\_smile: --- ## [Rich text in Labels - new feature of "long text field" in Airtable](https://community.thunkable.com/t/rich-text-in-labels-new-feature-of-long-text-field-in-airtable/537743)
**Author:** [@Michael\_Rogulla](https://community.thunkable.com/u/Michael_Rogulla)\ **Replies:** 9\ **Last updated:** [August 21, 2020, 9:17am UTC](https://community.thunkable.com/t/rich-text-in-labels-new-feature-of-long-text-field-in-airtable/537743 "2020-08-21T09:17:56Z")
Hi all, I discovered a new feature in Airtable: you can turn on the flag “rich text” in the field type “long text field”. That means, you can format the text in a “long text field” in airtable with bold, italic, hyperli… --- ## [Text substring function crashes?](https://community.thunkable.com/t/text-substring-function-crashes/757273)
**Author:** [@mrtwocanes](https://community.thunkable.com/u/mrtwocanes)\ **Replies:** 3\ **Last updated:** [August 21, 2020, 8:13am UTC](https://community.thunkable.com/t/text-substring-function-crashes/757273 "2020-08-21T08:13:12Z")
I’m kinda stunned that the text substring only works with hard-coded strings. When I use a variable, no joy. The first Button1 works, the second version crashes! Variable app year displays 2020 in the Alert message. … --- ## [Export List Values to Google Sheet](https://community.thunkable.com/t/export-list-values-to-google-sheet/751315)
**Author:** [@gregdotcom77oi](https://community.thunkable.com/u/gregdotcom77oi)\ **Replies:** 6\ **Last updated:** [August 21, 2020, 6:54am UTC](https://community.thunkable.com/t/export-list-values-to-google-sheet/751315 "2020-08-21T06:54:25Z")
I’m trying to export values stored in a list variable to my Google Sheet but I can only see a function for ‘create row’ not ‘create list’. Is this possible? If so, how? Many thanks! --- ## [Problem with make " like" button](https://community.thunkable.com/t/problem-with-make-like-button/757619)
**Author:** [@marketandsellbuy8jcb](https://community.thunkable.com/u/marketandsellbuy8jcb)\ **Replies:** 1\ **Last updated:** [August 21, 2020, 6:04am UTC](https://community.thunkable.com/t/problem-with-make-like-button/757619 "2020-08-21T06:04:48Z")
Like Button but per user How make any user can make one like only… i made like button but its as counter . --- ## [MIs datos guardados en el local storage no persisten!](https://community.thunkable.com/t/mis-datos-guardados-en-el-local-storage-no-persisten/421412)
**Author:** [@francabral](https://community.thunkable.com/u/francabral)\ **Replies:** 5\ **Last updated:** [August 21, 2020, 4:34am UTC](https://community.thunkable.com/t/mis-datos-guardados-en-el-local-storage-no-persisten/421412 "2020-08-21T04:34:57Z")
Al iniciar la aplicacion obtengo los datos guardados anteriormente correctamente, pero al ingresar nuevos, los guardados son sobreescritos, podrian ayudarme? --- ## [Get saved photos from localbdb](https://community.thunkable.com/t/get-saved-photos-from-localbdb/751808)
**Author:** [@oreeldadln](https://community.thunkable.com/u/oreeldadln)\ **Replies:** 8\ **Last updated:** [August 20, 2020, 9:19pm UTC](https://community.thunkable.com/t/get-saved-photos-from-localbdb/751808 "2020-08-20T21:19:24Z")
hello, I don’t think it should be that complicated but I’m not managing to make it. I’m trying to retrieve photos that I saved in a row to the local DB. what is the way to do it? I tried with different variables but … --- ## [Animation component controlling the starting frame](https://community.thunkable.com/t/animation-component-controlling-the-starting-frame/744717)
**Author:** [@exploriverse.com](https://community.thunkable.com/u/exploriverse.com)\ **Replies:** 1\ **Last updated:** [August 20, 2020, 4:41pm UTC](https://community.thunkable.com/t/animation-component-controlling-the-starting-frame/744717 "2020-08-20T16:41:49Z")
How can I tell this animation component to start on frame 1? Or how can I tell this animation component to clear its contents? So when tell it to load an animation it will start on frame 1. --- ## [Local Push Notifications, without "One Signal"](https://community.thunkable.com/t/local-push-notifications-without-one-signal/29330)
**Author:** [@Oleg\_Mendel](https://community.thunkable.com/u/Oleg_Mendel)\ **Replies:** 1\ **Last updated:** [August 20, 2020, 4:17pm UTC](https://community.thunkable.com/t/local-push-notifications-without-one-signal/29330 "2020-08-20T16:17:30Z")
In my app there will be some local updates, depending on the user bahaviour and time of the day. I wish to make notifications in the status bar, when my app is not opened. There is nothing to receive from the server for … --- ## [Bug: Marker title is invisible!](https://community.thunkable.com/t/bug-marker-title-is-invisible/756983)
**Author:** [@dami\_flepp](https://community.thunkable.com/u/dami_flepp)\ **Replies:** 0\ **Last updated:** [August 20, 2020, 3:55pm UTC](https://community.thunkable.com/t/bug-marker-title-is-invisible/756983 "2020-08-20T15:55:58Z")
Hello, on every marker, the title is invisible… issue first started 2 days ago… anyone else having this issue? (IOS) THX! --- ## [Problem opening and start the screen](https://community.thunkable.com/t/problem-opening-and-start-the-screen/747702)
**Author:** [@Balanced\_Kitchen](https://community.thunkable.com/u/Balanced_Kitchen)\ **Replies:** 2\ **Last updated:** [August 20, 2020, 3:18pm UTC](https://community.thunkable.com/t/problem-opening-and-start-the-screen/747702 "2020-08-20T15:18:22Z")
When it’s a live test - everything is OK. When the application is downloaded and installed, the commands under the open screen are repeated twice, and under the start screen four times. I enclose videos and a test appli… [Previous page](https://community.thunkable.com/c/thunkable/49.md?page=366) [Next page](https://community.thunkable.com/c/thunkable/49.md?page=368)