# Questions about Thunkable X **URL:** https://community.thunkable.com/c/thunkable/49.md?page=257 [Latest](https://community.thunkable.com/latest.md) · [Categories](https://community.thunkable.com/categories.md) · [Tags](https://community.thunkable.com/tags.md) **Page:** 258 --- ## [Video recognizer](https://community.thunkable.com/t/video-recognizer/1395382)
**Author:** [@ozel1978](https://community.thunkable.com/u/ozel1978)\ **Replies:** 0\ **Last updated:** [July 14, 2021, 4:38am UTC](https://community.thunkable.com/t/video-recognizer/1395382 "2021-07-14T04:38:27Z")
Hi Guy, Has anyone made video recognition? for example one person using sign language say “hello” https://images.app.goo.gl/vnofSu6yXR4msYTCA and record a few minute then it show in label. --- ## [How to save received messages from one signal in the application?](https://community.thunkable.com/t/how-to-save-received-messages-from-one-signal-in-the-application/1394075)
**Author:** [@microinvest.devt0g3d](https://community.thunkable.com/u/microinvest.devt0g3d)\ **Replies:** 2\ **Last updated:** [July 14, 2021, 3:49am UTC](https://community.thunkable.com/t/how-to-save-received-messages-from-one-signal-in-the-application/1394075 "2021-07-14T03:49:15Z")
Tell me please I want to make an old with messages from one signal how can this be implemented? --- ## [Device cache - experiencing preview app performance issues](https://community.thunkable.com/t/device-cache-experiencing-preview-app-performance-issues/1391904)
**Author:** [@exploriverse.com](https://community.thunkable.com/u/exploriverse.com)\ **Replies:** 3\ **Last updated:** [July 14, 2021, 3:40am UTC](https://community.thunkable.com/t/device-cache-experiencing-preview-app-performance-issues/1391904 "2021-07-14T03:40:22Z")
Is there a way to know what thunkable or the thunkable preview app puts into the devices cache? Im experiencing slow down in the preview app on 2gb ram iphones and I think it has to do with my blocks? How can I trouble … --- ## [Is publishing to a web app safe?](https://community.thunkable.com/t/is-publishing-to-a-web-app-safe/1388370)
**Author:** [@samclever](https://community.thunkable.com/u/samclever)\ **Replies:** 3\ **Last updated:** [July 13, 2021, 11:03pm UTC](https://community.thunkable.com/t/is-publishing-to-a-web-app-safe/1388370 "2021-07-13T23:03:17Z")
I am curious, if I publish my app as a responsive web app, can someone use webpage developer tools to view the apps code/data? I am making a dispatching app for my job and need it to be secure. I’m just curious what sort… --- ## [Issue with list of rowIDs to be deleted from Data Source (Airtable)](https://community.thunkable.com/t/issue-with-list-of-rowids-to-be-deleted-from-data-source-airtable/1394919)
**Author:** [@Tommaso](https://community.thunkable.com/u/Tommaso)\ **Replies:** 2\ **Last updated:** [July 13, 2021, 8:12pm UTC](https://community.thunkable.com/t/issue-with-list-of-rowids-to-be-deleted-from-data-source-airtable/1394919 "2021-07-13T20:12:46Z")
Hi Thunkers, I have an app with a function which worked until a few days ago and now seems it doesn’t work anymore. See screenshot below: This function used to work - in particular, I have a list of row IDs which are… --- ## [How would I be able to re-make this block .Send1ByteNumber](https://community.thunkable.com/t/how-would-i-be-able-to-re-make-this-block-send1bytenumber/1392903)
**Author:** [@danieljsmith1011po](https://community.thunkable.com/u/danieljsmith1011po)\ **Replies:** 3\ **Last updated:** [July 13, 2021, 5:50pm UTC](https://community.thunkable.com/t/how-would-i-be-able-to-re-make-this-block-send1bytenumber/1392903 "2021-07-13T17:50:39Z")
This is from my MIT App Inventor app, and I cant figure out how to do this on thunkable. Thunkable doesn’t have the .Send1ByteNumber function and I cant figure out how to do this. This is what the original looked like on… --- ## [How to add header through blocks to a webapi request?](https://community.thunkable.com/t/how-to-add-header-through-blocks-to-a-webapi-request/1394337)
**Author:** [@sumeshoouh](https://community.thunkable.com/u/sumeshoouh)\ **Replies:** 2\ **Last updated:** [July 13, 2021, 2:38pm UTC](https://community.thunkable.com/t/how-to-add-header-through-blocks-to-a-webapi-request/1394337 "2021-07-13T14:38:56Z")
hi, i am creating an app which communicates with server… after logging in, server sends an authorization token…for every request, we have to supply the authorization token in the header… this authorization token change… --- ## [Cant add new images](https://community.thunkable.com/t/cant-add-new-images/1375548)
**Author:** [@yosramherig](https://community.thunkable.com/u/yosramherig)\ **Replies:** 18\ **Last updated:** [July 13, 2021, 2:23pm UTC](https://community.thunkable.com/t/cant-add-new-images/1375548 "2021-07-13T14:23:06Z")
hi. i’ve been working on an app that contains images, and animations, since yesterday, i couldnt use any assets that i upload and whenever i try to view it from the assets files it give me this error: {“getasset”:"",“e… --- ## [How do you use relative sizing](https://community.thunkable.com/t/how-do-you-use-relative-sizing/1394017)
**Author:** [@dinocar621cfc](https://community.thunkable.com/u/dinocar621cfc)\ **Replies:** 5\ **Last updated:** [July 13, 2021, 12:05pm UTC](https://community.thunkable.com/t/how-do-you-use-relative-sizing/1394017 "2021-07-13T12:05:42Z")
I am new to thunkable and have made quite a complex but working app. However, when testing on a device with a different size, the components were all messed up. From research such as through thunkable docs I realise that… --- ## [Native Android app crashes on open](https://community.thunkable.com/t/native-android-app-crashes-on-open/1388113)
**Author:** [@bnice](https://community.thunkable.com/u/bnice)\ **Replies:** 38\ **Last updated:** [July 13, 2021, 9:51am UTC](https://community.thunkable.com/t/native-android-app-crashes-on-open/1388113 "2021-07-13T09:51:52Z")
Hello, I am having an issue with one of my apps. I am testing this app over a variety of platforms: Desktop web, iOS native, iOS web, Thunkable Live, Android web, and Android Native. My app works on all of these except … --- ## [My apps don't work](https://community.thunkable.com/t/my-apps-dont-work/1393403)
**Author:** [@Vaiper\_watafai](https://community.thunkable.com/u/Vaiper_watafai)\ **Replies:** 1\ **Last updated:** [July 13, 2021, 7:13am UTC](https://community.thunkable.com/t/my-apps-dont-work/1393403 "2021-07-13T07:13:49Z")
none of my applications works, the apps that have the list view do not work please help --- ## [How to translate thunkable X into Korean?](https://community.thunkable.com/t/how-to-translate-thunkable-x-into-korean/726817)
**Author:** [@njaewoooce](https://community.thunkable.com/u/njaewoooce)\ **Replies:** 4\ **Last updated:** [July 13, 2021, 3:56am UTC](https://community.thunkable.com/t/how-to-translate-thunkable-x-into-korean/726817 "2021-07-13T03:56:56Z")
Hello, everyone. I am teaching coding in Korea. I am currently a Korean translator for Appinventor, Appybuilder, and Cospaces. And I am currently the best-selling book author of App Inventor in Korea. I would like to… --- ## [Can you build an app like Upwork, with a bidding platform?](https://community.thunkable.com/t/can-you-build-an-app-like-upwork-with-a-bidding-platform/1392954)
**Author:** [@brenoy3tn](https://community.thunkable.com/u/brenoy3tn)\ **Replies:** 1\ **Last updated:** [July 12, 2021, 11:08pm UTC](https://community.thunkable.com/t/can-you-build-an-app-like-upwork-with-a-bidding-platform/1392954 "2021-07-12T23:08:07Z")
Hi I want to build an app that has bidding functionality very similar to Upwork, but for a different population of users and professionals. Is that possible using this platform? --- ## [User Limits on Delivery App](https://community.thunkable.com/t/user-limits-on-delivery-app/1392955)
**Author:** [@taiskleinoliveira8y3](https://community.thunkable.com/u/taiskleinoliveira8y3)\ **Replies:** 0\ **Last updated:** [July 12, 2021, 9:07pm UTC](https://community.thunkable.com/t/user-limits-on-delivery-app/1392955 "2021-07-12T21:07:11Z")
Hi Everyone! I had just finished a web app for small business food delivery, but i would like to know what the limits of my app are, how many users can use at the same time, how many customers the food company can have… --- ## [Thunkable webapp is not working in Chrome and Safari browsers](https://community.thunkable.com/t/thunkable-webapp-is-not-working-in-chrome-and-safari-browsers/1391043)
**Author:** [@roshanth.selva](https://community.thunkable.com/u/roshanth.selva)\ **Replies:** 22\ **Last updated:** [July 12, 2021, 7:40pm UTC](https://community.thunkable.com/t/thunkable-webapp-is-not-working-in-chrome-and-safari-browsers/1391043 "2021-07-12T19:40:24Z")
Hi, I have created a Web app using Thunkable and published successfully. It’s a very basic app with one web view component. When I load the app in Chrome or Safari browsers it’s not allowing to log in. When I tested it i… --- ## [\[In Progress\] Does anyone have a problem accessing Thunkable?](https://community.thunkable.com/t/in-progress-does-anyone-have-a-problem-accessing-thunkable/1336656)
**Author:** [@Balanced\_Kitchen](https://community.thunkable.com/u/Balanced_Kitchen)\ **Replies:** 61\ **Last updated:** [July 12, 2021, 4:51pm UTC](https://community.thunkable.com/t/in-progress-does-anyone-have-a-problem-accessing-thunkable/1336656 "2021-07-12T16:51:41Z")
Access to the server has been very slow for some time and I often get this message "Error 520 Ray ID: 65d15972bec8d228 • 2021-06-10 08:49:58 UTC Web server is returning an unknown error ". As of today I have a probl… --- ## [Webviewer audio sound lag in background in android](https://community.thunkable.com/t/webviewer-audio-sound-lag-in-background-in-android/1363524)
**Author:** [@nathanf74](https://community.thunkable.com/u/nathanf74)\ **Replies:** 3\ **Last updated:** [July 12, 2021, 3:35pm UTC](https://community.thunkable.com/t/webviewer-audio-sound-lag-in-background-in-android/1363524 "2021-07-12T15:35:50Z")
Hello :slight\_smile: I have almost finished my radio application but only one detail is missing! I put the site of my radio in full screen webviewer, and when I press play it plays sound correctly. But when I go elsewh… --- ## [How to transfer PlayerID?](https://community.thunkable.com/t/how-to-transfer-playerid/1392108)
**Author:** [@microinvest.devt0g3d](https://community.thunkable.com/u/microinvest.devt0g3d)\ **Replies:** 4\ **Last updated:** [July 12, 2021, 3:12pm UTC](https://community.thunkable.com/t/how-to-transfer-playerid/1392108 "2021-07-12T15:12:22Z")
There is a task in which it is necessary that when entering the site through the Web Viewer, after authorization (on the site), the PlayerID is transmitted to the site or directly to the server. Please tell me how this c… --- ## [New game idea #gameidea](https://community.thunkable.com/t/new-game-idea-gameidea/638856)
**Author:** [@vishnu\_27](https://community.thunkable.com/u/vishnu_27)\ **Replies:** 2\ **Last updated:** [July 12, 2021, 1:22pm UTC](https://community.thunkable.com/t/new-game-idea-gameidea/638856 "2021-07-12T13:22:57Z")
Hi there, I got a game idea i,e., it’s about car racing game (not action game ),and the theme of the game is to save people/anything on his way to victory more points and.He has two ways infront but he choose that way ju… --- ## [One Signal Push Notifications Custom Sound](https://community.thunkable.com/t/one-signal-push-notifications-custom-sound/1391742)
**Author:** [@witbankappdevj7](https://community.thunkable.com/u/witbankappdevj7)\ **Replies:** 1\ **Last updated:** [July 12, 2021, 10:56am UTC](https://community.thunkable.com/t/one-signal-push-notifications-custom-sound/1391742 "2021-07-12T10:56:43Z")
Is it possible to use custom sounds with onesignal. I’ve read that you must include the mp3 or sound file to the assets of the app and reference it? I tried briefly and it did not work. Same as the small notification ico… --- ## [Lotti animation are they cached or put in the device's memory?](https://community.thunkable.com/t/lotti-animation-are-they-cached-or-put-in-the-devices-memory/1380623)
**Author:** [@exploriverse.com](https://community.thunkable.com/u/exploriverse.com)\ **Replies:** 2\ **Last updated:** [July 7, 2021, 8:27am UTC](https://community.thunkable.com/t/lotti-animation-are-they-cached-or-put-in-the-devices-memory/1380623 "2021-07-07T08:27:44Z")
Hi I’m working on an app where I am using a lot of lotti animations from screen to screen in the app. I’m noticing on my ipad 2014 with 2mb of ram that performance has taken a dump in the thunkable preview app. 2 questi… --- ## [I want to remove a page after displaying it the first time](https://community.thunkable.com/t/i-want-to-remove-a-page-after-displaying-it-the-first-time/1388694)
**Author:** [@mopenergies532xf](https://community.thunkable.com/u/mopenergies532xf)\ **Replies:** 9\ **Last updated:** [July 12, 2021, 9:29am UTC](https://community.thunkable.com/t/i-want-to-remove-a-page-after-displaying-it-the-first-time/1388694 "2021-07-12T09:29:54Z")
I just built my app and it’s a splash screen. Also I want to add a welcome message for people that just downloaded my app. By saying thank you for Downloading my app on a New Page. Please what function should I use. T… --- ## [Figma screens in thunkable with illustrations : not working](https://community.thunkable.com/t/figma-screens-in-thunkable-with-illustrations-not-working/1391482)
**Author:** [@VijayaKrishna](https://community.thunkable.com/u/VijayaKrishna)\ **Replies:** 0\ **Last updated:** [July 12, 2021, 6:44am UTC](https://community.thunkable.com/t/figma-screens-in-thunkable-with-illustrations-not-working/1391482 "2021-07-12T06:44:25Z")
Hi, I am new to this thunkable community, I actually can’t understand why my figma screens in thunkable lag a lot… I am using illustrations and these illustrations take a long time to load and when I preview my app on my… --- ## [Data Source Bug](https://community.thunkable.com/t/data-source-bug/1391121)
**Author:** [@coinpedia](https://community.thunkable.com/u/coinpedia)\ **Replies:** 1\ **Last updated:** [July 12, 2021, 4:17am UTC](https://community.thunkable.com/t/data-source-bug/1391121 "2021-07-12T04:17:55Z")
I can’t access the Data Sources tab (it looks like this)… and I also can’t use a Local DB as a Data Source for a Data Viewer List. --- ## [Google Sheets Disconnecting](https://community.thunkable.com/t/google-sheets-disconnecting/1389658)
**Author:** [@jonathonschnoor6x4b5](https://community.thunkable.com/u/jonathonschnoor6x4b5)\ **Replies:** 0\ **Last updated:** [July 11, 2021, 12:43am UTC](https://community.thunkable.com/t/google-sheets-disconnecting/1389658 "2021-07-11T00:43:29Z")
So, I’ve been trying to use google sheets as a database for a while, but after a while it always disconnects from thunkable. I added a timer to the database to see how long it lasts. It usually lasts 0.3-10 seconds. How … --- ## [Game Predictor adding up score problem](https://community.thunkable.com/t/game-predictor-adding-up-score-problem/1390690)
**Author:** [@will\_r.06](https://community.thunkable.com/u/will_r.06)\ **Replies:** 1\ **Last updated:** [July 11, 2021, 3:33pm UTC](https://community.thunkable.com/t/game-predictor-adding-up-score-problem/1390690 "2021-07-11T15:33:01Z")
Please could you reply before Tuesday the 13th of July Hello again everyone I have another problem with my Euros score predictor game. It is not complete yet but on the results page it adds up your score for how many po… --- ## [Is there a way to reset the data tables in app so it syncs with the initially created tables with their values?](https://community.thunkable.com/t/is-there-a-way-to-reset-the-data-tables-in-app-so-it-syncs-with-the-initially-created-tables-with-their-values/1387118)
**Author:** [@cheahjon7h6](https://community.thunkable.com/u/cheahjon7h6)\ **Replies:** 5\ **Last updated:** [July 11, 2021, 12:12pm UTC](https://community.thunkable.com/t/is-there-a-way-to-reset-the-data-tables-in-app-so-it-syncs-with-the-initially-created-tables-with-their-values/1387118 "2021-07-11T12:12:26Z")
So i learned that the tables created in thunkable isnt synced with the tables in app unless its through airtable or spreadsheet. But is there a way to reset the tables in app so it syncs with the tables created in thunka… --- ## [Firebase Blocks not showing](https://community.thunkable.com/t/firebase-blocks-not-showing/1390313)
**Author:** [@gamers\_indo1223](https://community.thunkable.com/u/gamers_indo1223)\ **Replies:** 5\ **Last updated:** [July 11, 2021, 10:46am UTC](https://community.thunkable.com/t/firebase-blocks-not-showing/1390313 "2021-07-11T10:46:33Z")
i already put all the settings but it not showing any firebase database blocks --- ## [Firebase - rename a node?](https://community.thunkable.com/t/firebase-rename-a-node/1389679)
**Author:** [@catsarisky](https://community.thunkable.com/u/catsarisky)\ **Replies:** 1\ **Last updated:** [July 11, 2021, 8:36am UTC](https://community.thunkable.com/t/firebase-rename-a-node/1389679 "2021-07-11T08:36:24Z")
All, I’m working on my grocery list app (yes, the one that could have been last week’s WDC submission). I have a firebase data structure like: User/Lists/List\_name/Meal\_name/Peaches/sku: 01234 … --- ## [How to remove particular index number of letter from text](https://community.thunkable.com/t/how-to-remove-particular-index-number-of-letter-from-text/1389037)
**Author:** [@overturner](https://community.thunkable.com/u/overturner)\ **Replies:** 11\ **Last updated:** [July 11, 2021, 12:02am UTC](https://community.thunkable.com/t/how-to-remove-particular-index-number-of-letter-from-text/1389037 "2021-07-11T00:02:24Z")
Hi , I wanted to ask is there any way to remove a particular index number of letter from text For eg : in text abc replace 1st letter with I Its fine if anyone wants to answer after the WDC so I will pop it up then [Previous page](https://community.thunkable.com/c/thunkable/49.md?page=256) [Next page](https://community.thunkable.com/c/thunkable/49.md?page=258)