# Questions about Thunkable X **URL:** https://community.thunkable.com/c/thunkable/49.md?page=16 [Latest](https://community.thunkable.com/latest.md) · [Categories](https://community.thunkable.com/categories.md) · [Tags](https://community.thunkable.com/tags.md) **Page:** 17 --- ## [Inconsistent Operation of Transmit Hexadecimal Block](https://community.thunkable.com/t/inconsistent-operation-of-transmit-hexadecimal-block/3855067)
**Author:** [@senthilkumaranms](https://community.thunkable.com/u/senthilkumaranms)\ **Replies:** 7\ **Last updated:** [June 3, 2025, 3:23pm UTC](https://community.thunkable.com/t/inconsistent-operation-of-transmit-hexadecimal-block/3855067 "2025-06-03T15:23:06Z")
I have implemented BLE functionality in my app. To communicate with the external BLE device, I have implemented “Transmit hexadecimal block” It is working fine for the only one command, which starts with 2020. however t… --- ## [Web Viewer Issue on Mobile (IOS) - NSURLErrorDomain](https://community.thunkable.com/t/web-viewer-issue-on-mobile-ios-nsurlerrordomain/3879091)
**Author:** [@hattie.nunwickj758n9](https://community.thunkable.com/u/hattie.nunwickj758n9)\ **Replies:** 3\ **Last updated:** [June 3, 2025, 1:58pm UTC](https://community.thunkable.com/t/web-viewer-issue-on-mobile-ios-nsurlerrordomain/3879091 "2025-06-03T13:58:52Z")
I’m creating an app for my university project. My app is functioning as I’d like it to on the web preview but not on the mobile testing app. The user can upload a photo or file from their device and view it using the we… --- ## [Thought my idea was easy now need help to know if its even possible](https://community.thunkable.com/t/thought-my-idea-was-easy-now-need-help-to-know-if-its-even-possible/3887242)
**Author:** [@mitch.deetlefsdi5naq](https://community.thunkable.com/u/mitch.deetlefsdi5naq)\ **Replies:** 1\ **Last updated:** [June 2, 2025, 3:11pm UTC](https://community.thunkable.com/t/thought-my-idea-was-easy-now-need-help-to-know-if-its-even-possible/3887242 "2025-06-02T15:11:19Z")
Hi there complete newbie to Thunkable but the software looks amazing and I’d really like to use it in my business. I am looking to create an app to help my company make faster decisions and any advice would be greatly ap… --- ## [Calendar?](https://community.thunkable.com/t/calendar/3885608)
**Author:** [@spongefoo](https://community.thunkable.com/u/spongefoo)\ **Replies:** 3\ **Last updated:** [June 2, 2025, 11:55am UTC](https://community.thunkable.com/t/calendar/3885608 "2025-06-02T11:55:41Z")
Hello, Just starting with Thunkable. I have a background in software design, have intermediate code experience and lots of experience with various tools like this one, HOWEVER: I’m trying to generate a calendar (one mo… --- ## [Blocks (stuck, API) - please help!](https://community.thunkable.com/t/blocks-stuck-api-please-help/3886065)
**Author:** [@kate.han079294tcb8](https://community.thunkable.com/u/kate.han079294tcb8)\ **Replies:** 0\ **Last updated:** [June 1, 2025, 9:01pm UTC](https://community.thunkable.com/t/blocks-stuck-api-please-help/3886065 "2025-06-01T21:01:23Z")
Hello guys, I’m new here only been few days on Thunkable, and I’m trying to create a Chatscreen where I can communicate with AI. When I test on Preview, I do see my text when I send it, but I don’t see GPT response. Th… --- ## [API-Undefined error](https://community.thunkable.com/t/api-undefined-error/3884320)
**Author:** [@shaydentimej95ceq](https://community.thunkable.com/u/shaydentimej95ceq)\ **Replies:** 0\ **Last updated:** [June 1, 2025, 12:11am UTC](https://community.thunkable.com/t/api-undefined-error/3884320 "2025-06-01T00:11:07Z")
I’m having trouble getting OpenAI to work. I added money, set my API key, and wrote some code. After fixing some errors, I got an “undefined” response. I tried using objects, but then got “null” instead. I did some resea… --- ## [How do i show my tables contacts in list/labels?](https://community.thunkable.com/t/how-do-i-show-my-tables-contacts-in-list-labels/3883944)
**Author:** [@al46697nywagi](https://community.thunkable.com/u/al46697nywagi)\ **Replies:** 0\ **Last updated:** [May 31, 2025, 6:36pm UTC](https://community.thunkable.com/t/how-do-i-show-my-tables-contacts-in-list-labels/3883944 "2025-05-31T18:36:12Z")
so i have this data source, a table named “contacts”. it has the columns name, phone, email. I want to show this data in a list or in labels, but i cant figure it out. anyone can help me? --- ## [Stuck with Blocks: Please help me!](https://community.thunkable.com/t/stuck-with-blocks-please-help-me/3882068)
**Author:** [@kate.han079294tcb8](https://community.thunkable.com/u/kate.han079294tcb8)\ **Replies:** 4\ **Last updated:** [May 31, 2025, 5:14pm UTC](https://community.thunkable.com/t/stuck-with-blocks-please-help-me/3882068 "2025-05-31T17:14:22Z")
Hello guys, I’m first time using Thunkable and I’m stuck with Blocks, been struggling for hours and ChatGPT doesn’t help me I am totally lost. Please help me ChatGPT is saying my way of doing is wrong and I need to sta… --- ## [How to randomize questions in a quiz app](https://community.thunkable.com/t/how-to-randomize-questions-in-a-quiz-app/3874629)
**Author:** [@jakob.krmeljiagldx](https://community.thunkable.com/u/jakob.krmeljiagldx)\ **Replies:** 8\ **Last updated:** [May 31, 2025, 4:15pm UTC](https://community.thunkable.com/t/how-to-randomize-questions-in-a-quiz-app/3874629 "2025-05-31T16:15:10Z")
Hi everyone, I’m working on a quiz app for my diploma project, using the official Thunkable tutorial on YouTube (it’s titled How to Create a Quiz App with Thunkable) Since my inspiration is Kahoot and other similar qui… --- ## [Hashing Password](https://community.thunkable.com/t/hashing-password/3875231)
**Author:** [@maurizio.polverini89](https://community.thunkable.com/u/maurizio.polverini89)\ **Replies:** 1\ **Last updated:** [May 30, 2025, 12:28pm UTC](https://community.thunkable.com/t/hashing-password/3875231 "2025-05-30T12:28:59Z")
Hi everyone, I hope you’re doing well! I’m trying to find out if Thunkable supports securely storing passwords in Airtable — specifically, whether it’s possible to encrypt or hash a password before saving it, so that no… --- ## [Data source](https://community.thunkable.com/t/data-source/3880093)
**Author:** [@aaronteh0103h5ewk1](https://community.thunkable.com/u/aaronteh0103h5ewk1)\ **Replies:** 0\ **Last updated:** [May 30, 2025, 8:04am UTC](https://community.thunkable.com/t/data-source/3880093 "2025-05-30T08:04:57Z")
if I have a data source with a few columns, how do I find the first occurrence of a word in a row? --- ## [How to read and detect text from photo](https://community.thunkable.com/t/how-to-read-and-detect-text-from-photo/3873894)
**Author:** [@stoica.petronela94pg](https://community.thunkable.com/u/stoica.petronela94pg)\ **Replies:** 3\ **Last updated:** [May 30, 2025, 4:42am UTC](https://community.thunkable.com/t/how-to-read-and-detect-text-from-photo/3873894 "2025-05-30T04:42:15Z")
Hi everyone! :waving\_hand: I’m working on a mobile app in Thunkable where I want to let users either take a photo or upload an image of an ingredient list from a food product. My goal is to extract the text from the ima… --- ## [If block](https://community.thunkable.com/t/if-block/3877305)
**Author:** [@aaronteh0103h5ewk1](https://community.thunkable.com/u/aaronteh0103h5ewk1)\ **Replies:** 2\ **Last updated:** [May 30, 2025, 4:36am UTC](https://community.thunkable.com/t/if-block/3877305 "2025-05-30T04:36:45Z")
how do you create this block: if ‘1st statement’ = true, then check if ‘2nd statement’ = true. if both = true, do something can the if block together with the test block work? --- ## [Disabling the answer buttons doesn't work](https://community.thunkable.com/t/disabling-the-answer-buttons-doesnt-work/3878839)
**Author:** [@jakob.krmeljiagldx](https://community.thunkable.com/u/jakob.krmeljiagldx)\ **Replies:** 0\ **Last updated:** [May 29, 2025, 8:18pm UTC](https://community.thunkable.com/t/disabling-the-answer-buttons-doesnt-work/3878839 "2025-05-29T20:18:22Z")
Hi everyone, I’m working on a quiz app for my diploma project, using the official Thunkable tutorial on YouTube (titled How to Create a Quiz App with Thunkable). I’ve already created an alpha build of the app, which in… --- ## [Browser memory issue](https://community.thunkable.com/t/browser-memory-issue/3864292)
**Author:** [@mcm4ts](https://community.thunkable.com/u/mcm4ts)\ **Replies:** 1\ **Last updated:** [May 29, 2025, 4:11pm UTC](https://community.thunkable.com/t/browser-memory-issue/3864292 "2025-05-29T16:11:17Z")
Hello! I’ve been having a lot of trouble finishing my app. Because there are more and more blocks and information, it’s getting slower and slower. Although it’s frustrating having to wait a minute to add a simple element… --- ## [Can Thunkable do this?](https://community.thunkable.com/t/can-thunkable-do-this/3871850)
**Author:** [@askspeechtherapyatho](https://community.thunkable.com/u/askspeechtherapyatho)\ **Replies:** 3\ **Last updated:** [May 29, 2025, 2:44pm UTC](https://community.thunkable.com/t/can-thunkable-do-this/3871850 "2025-05-29T14:44:47Z")
Hi. I’m a speech therapist. I have a set of Sound Cues, pictures/symbols that represent each sound in English. I want to create an app that would allow users to select and put my Sound Cues in a specific order and the… --- ## [Portrait to landscape mode doesn't work, testing on my iPhone with published web link:](https://community.thunkable.com/t/portrait-to-landscape-mode-doesnt-work-testing-on-my-iphone-with-published-web-link/3874537)
**Author:** [@thomasdaq7vb](https://community.thunkable.com/u/thomasdaq7vb)\ **Replies:** 0\ **Last updated:** [May 28, 2025, 2:54pm UTC](https://community.thunkable.com/t/portrait-to-landscape-mode-doesnt-work-testing-on-my-iphone-with-published-web-link/3874537 "2025-05-28T14:54:38Z")
I cannot get a simple layout to scroll/ not compress into the height when turned from portrait to landscape mode testing on my iPhone. This is the published web link: I’ve tried auto for orientation, scrollable for th… --- ## [Data Viewer table filter with variable not working on android](https://community.thunkable.com/t/data-viewer-table-filter-with-variable-not-working-on-android/3873437)
**Author:** [@trujder\_tellusgo](https://community.thunkable.com/u/trujder_tellusgo)\ **Replies:** 1\ **Last updated:** [May 28, 2025, 1:12pm UTC](https://community.thunkable.com/t/data-viewer-table-filter-with-variable-not-working-on-android/3873437 "2025-05-28T13:12:02Z")
Hi everyone, I’m putting the final touches on my app (Google Sheets + Thunkable, iOS + Android) and ran into a strange Android-only issue: Data source: Google Sheets Filter: update filter block – it should return only… --- ## [\[iOS App Review Blocked\] Unable to proceed due to NSUserTrackingUsageDescription – Need Help](https://community.thunkable.com/t/ios-app-review-blocked-unable-to-proceed-due-to-nsusertrackingusagedescription-need-help/3871454)
**Author:** [@qkrtjdwnstls123yfnce](https://community.thunkable.com/u/qkrtjdwnstls123yfnce)\ **Replies:** 1\ **Last updated:** [May 27, 2025, 6:38pm UTC](https://community.thunkable.com/t/ios-app-review-blocked-unable-to-proceed-due-to-nsusertrackingusagedescription-need-help/3871454 "2025-05-27T18:38:54Z")
Hello Thunkable Support Team, I am a paid Thunkable user and I’m encountering a critical issue while attempting to submit my iOS app (version 1.0) for App Store review. The following error message from Apple is prevent… --- ## [Bug with Canvas Looks "draw line" function, with reproduceable demo](https://community.thunkable.com/t/bug-with-canvas-looks-draw-line-function-with-reproduceable-demo/3859052)
**Author:** [@james.newton-freelan](https://community.thunkable.com/u/james.newton-freelan)\ **Replies:** 5\ **Last updated:** [May 26, 2025, 7:16pm UTC](https://community.thunkable.com/t/bug-with-canvas-looks-draw-line-function-with-reproduceable-demo/3859052 "2025-05-26T19:16:57Z")
As shown in the project linked above, the built-in “draw line” function fails if the inputs for x and y are provided by parameters or variables. --- ## [Video questions](https://community.thunkable.com/t/video-questions/3864544)
**Author:** [@shantell.ogdena5oih7](https://community.thunkable.com/u/shantell.ogdena5oih7)\ **Replies:** 0\ **Last updated:** [May 25, 2025, 8:15pm UTC](https://community.thunkable.com/t/video-questions/3864544 "2025-05-25T20:15:10Z")
Hello Thunkable friends! I’m a filmmaker designing an app to post and watch 5 min or less episodic type movies in a series. First, I need to know what is the best data source for the videos. Along with that, can we now… --- ## [Trying to make a background scroll](https://community.thunkable.com/t/trying-to-make-a-background-scroll/3862547)
**Author:** [@catboigonnaruinfaili](https://community.thunkable.com/u/catboigonnaruinfaili)\ **Replies:** 0\ **Last updated:** [May 25, 2025, 1:35am UTC](https://community.thunkable.com/t/trying-to-make-a-background-scroll/3862547 "2025-05-25T01:35:50Z")
Hello, i’m making an art gallery in an app, and one of it requires a scrollable IMAGE\*\* background, in the editing view, it can scroll perfectly!, but in the live editiing view, it’s stuck in the center. I saw a question… --- ## [Problem with using text/variables on Canvas blocks](https://community.thunkable.com/t/problem-with-using-text-variables-on-canvas-blocks/3783834)
**Author:** [@grant.mccallum](https://community.thunkable.com/u/grant.mccallum)\ **Replies:** 9\ **Last updated:** [May 24, 2025, 9:04pm UTC](https://community.thunkable.com/t/problem-with-using-text-variables-on-canvas-blocks/3783834 "2025-05-24T21:04:24Z")
Why does this work? Output - beaver sprite rotates to face wherever you touch on the screen/ But this doesn’t work: Output - beaver sprite ignores touches on screen. --- ## [How to use slider](https://community.thunkable.com/t/how-to-use-slider/3857229)
**Author:** [@e.fat4z3b](https://community.thunkable.com/u/e.fat4z3b)\ **Replies:** 3\ **Last updated:** [May 24, 2025, 4:07am UTC](https://community.thunkable.com/t/how-to-use-slider/3857229 "2025-05-24T04:07:35Z")
Hi everyone, One of my students want to create an app, where when they select a mood button and then press submit a message will be displayed based on the mood selected. We got that code working. Now they want to add a… --- ## [How to check that a device is within a certain location](https://community.thunkable.com/t/how-to-check-that-a-device-is-within-a-certain-location/3827344)
**Author:** [@engg1500.software.12](https://community.thunkable.com/u/engg1500.software.12)\ **Replies:** 1\ **Last updated:** [May 16, 2025, 10:08pm UTC](https://community.thunkable.com/t/how-to-check-that-a-device-is-within-a-certain-location/3827344 "2025-05-16T22:08:23Z")
This is my current code, I am within the declared locations in both longitude and latitude, yet it will never return “locationGood” what part am i messing up? --- ## [Downloaded and published app limitation](https://community.thunkable.com/t/downloaded-and-published-app-limitation/3850797)
**Author:** [@senthilkumaranms](https://community.thunkable.com/u/senthilkumaranms)\ **Replies:** 4\ **Last updated:** [May 22, 2025, 4:05am UTC](https://community.thunkable.com/t/downloaded-and-published-app-limitation/3850797 "2025-05-22T04:05:36Z")
What is mean by 25 downloads limits in Download and Publish features in builder subscription? The program that I created can be downloaded only for 25 times in a month for distribution of the app that are not published … --- ## [Why the ability to view data in local tables is paramount](https://community.thunkable.com/t/why-the-ability-to-view-data-in-local-tables-is-paramount/2770163)
**Author:** [@steve\_synopsis](https://community.thunkable.com/u/steve_synopsis)\ **Replies:** 9\ **Last updated:** [May 21, 2025, 6:19pm UTC](https://community.thunkable.com/t/why-the-ability-to-view-data-in-local-tables-is-paramount/2770163 "2025-05-21T18:19:16Z")
I may sound like a stuck record as I have brought this up before but I believe that the ability to view data in local tables is of upmost importance. Most apps depend on the storage of data in some format and while Thun… --- ## [How to Stop my Text to Speech](https://community.thunkable.com/t/how-to-stop-my-text-to-speech/3850714)
**Author:** [@AkiTetsuya](https://community.thunkable.com/u/AkiTetsuya)\ **Replies:** 0\ **Last updated:** [May 21, 2025, 6:32am UTC](https://community.thunkable.com/t/how-to-stop-my-text-to-speech/3850714 "2025-05-21T06:32:47Z")
I want to Stop my Text to Speech but it just keep repeating, Please help --- ## [Function Blocks](https://community.thunkable.com/t/function-blocks/3847965)
**Author:** [@aaronteh0103h5ewk1](https://community.thunkable.com/u/aaronteh0103h5ewk1)\ **Replies:** 1\ **Last updated:** [May 20, 2025, 3:37pm UTC](https://community.thunkable.com/t/function-blocks/3847965 "2025-05-20T15:37:27Z")
how do you use the function with return block. I watch the tutorial but still don’t understand. --- ## [Finding advanced settings](https://community.thunkable.com/t/finding-advanced-settings/3845949)
**Author:** [@512nbrower5hffae](https://community.thunkable.com/u/512nbrower5hffae)\ **Replies:** 3\ **Last updated:** [May 20, 2025, 3:35pm UTC](https://community.thunkable.com/t/finding-advanced-settings/3845949 "2025-05-20T15:35:19Z")
Hello…I’m trying my hand at app development for the first time, with the assistance of ChatGPT. It’s directing me to turn on advanced features on certain blocks like “create object” for example, but I don’t see that opti… [Previous page](https://community.thunkable.com/c/thunkable/49.md?page=15) [Next page](https://community.thunkable.com/c/thunkable/49.md?page=17)