# Web App Development **URL:** https://forum.webostv.developer.lge.com/c/web-app-development/35.md?page=7 [Latest](https://forum.webostv.developer.lge.com/latest.md) · [Categories](https://forum.webostv.developer.lge.com/categories.md) **Page:** 8 --- ## [디바이스 시리얼 넘버 확인 방법](https://forum.webostv.developer.lge.com/t/topic/13269)
**Author:** [@hojeong](https://forum.webostv.developer.lge.com/u/hojeong)\ **Replies:** 1\ **Last updated:** [December 24, 2024, 5:06am UTC](https://forum.webostv.developer.lge.com/t/topic/13269 "2024-12-24T05:06:40Z")
안녕하세요. device serial number와 같은 디바이스를 구분할 수 있는 고유값을 가져올 방법이 있는지 궁금합니다. WebOS API의 deviceInfo로 취득할 수 있나요? 어떤 값을 쓰면 되나요? 감사합니다. --- ## [Can you suggest me the best UDP Stream Player for LG Web OS TV for IPTV Application](https://forum.webostv.developer.lge.com/t/can-you-suggest-me-the-best-udp-stream-player-for-lg-web-os-tv-for-iptv-application/10185)
**Author:** [@user95](https://forum.webostv.developer.lge.com/u/user95)\ **Replies:** 3\ **Last updated:** [October 8, 2024, 7:49am UTC](https://forum.webostv.developer.lge.com/t/can-you-suggest-me-the-best-udp-stream-player-for-lg-web-os-tv-for-iptv-application/10185 "2024-10-08T07:49:29Z")
We are developing our IPTV Application for our customers. Can you suggest me the best UDP Stream Player for LG Web OS TV for IPTV Application. We are using NSTV DRM for IPTV. --- ## [How to extract manufacturing year from model number](https://forum.webostv.developer.lge.com/t/how-to-extract-manufacturing-year-from-model-number/12049)
**Author:** [@Lgtestnp](https://forum.webostv.developer.lge.com/u/Lgtestnp)\ **Replies:** 3\ **Last updated:** [December 13, 2024, 12:38am UTC](https://forum.webostv.developer.lge.com/t/how-to-extract-manufacturing-year-from-model-number/12049 "2024-12-13T00:38:30Z")
I am trying to get device manufacturing year from model number. In the official document https://www.lg.com/ca\_en/support/product-support/troubleshoot/help-library/cs-CT52001643-20150585049620/ I do not see how to extra… --- ## [Simulator cannot call luna service](https://forum.webostv.developer.lge.com/t/simulator-cannot-call-luna-service/11711)
**Author:** [@user220](https://forum.webostv.developer.lge.com/u/user220)\ **Replies:** 3\ **Last updated:** [December 4, 2024, 4:35am UTC](https://forum.webostv.developer.lge.com/t/simulator-cannot-call-luna-service/11711 "2024-12-04T04:35:51Z")
Hi when I use webOS.service.request in my simluator webos\_tv\_24, I got this error. I am not sure what is wrong. But it works in the real TV. Can someone help me on this? Thanks so much. webOS.service.request("luna://co… --- ## [Ads network for WebOS](https://forum.webostv.developer.lge.com/t/ads-network-for-webos/11805)
**Author:** [@user230](https://forum.webostv.developer.lge.com/u/user230)\ **Replies:** 1\ **Last updated:** [December 3, 2024, 8:26am UTC](https://forum.webostv.developer.lge.com/t/ads-network-for-webos/11805 "2024-12-03T08:26:37Z")
Hi! Question from a newbie. Is it possible to integrate advertising into WebOS applications? If yes, is there an advertising network from LG? Which advertising networks can be used to integrate advertising into WebOS… --- ## [ Difference between my tests and QA tests](https://forum.webostv.developer.lge.com/t/difference-between-my-tests-and-qa-tests/11703)
**Author:** [@crcorrea](https://forum.webostv.developer.lge.com/u/crcorrea)\ **Replies:** 3\ **Last updated:** [November 29, 2024, 12:05am UTC](https://forum.webostv.developer.lge.com/t/difference-between-my-tests-and-qa-tests/11703 "2024-11-29T00:05:35Z")
Good afternoon, I am a developer for a Brazilian TV and radio broadcaster, and I would like assistance with testing, as I don’t have much experience with LG and have been facing issues during the testing phase. We have… --- ## [OS name received as Web0S instead of WebOS, Zero is displayed instead of 'O'](https://forum.webostv.developer.lge.com/t/os-name-received-as-web0s-instead-of-webos-zero-is-displayed-instead-of-o/11706)
**Author:** [@Pratap\_Reddy](https://forum.webostv.developer.lge.com/u/Pratap_Reddy)\ **Replies:** 1\ **Last updated:** [November 28, 2024, 11:52pm UTC](https://forum.webostv.developer.lge.com/t/os-name-received-as-web0s-instead-of-webos-zero-is-displayed-instead-of-o/11706 "2024-11-28T23:52:43Z")
Hi, To get the OS name from WebOS TV we are using the below code. navigator.appVersion.match(/(.\*?)/) We received the OS name as Web0S instead of WebOS, Zero is available instead of ‘O’. For more details please refer … --- ## [Exit full sceen video](https://forum.webostv.developer.lge.com/t/exit-full-sceen-video/11640)
**Author:** [@sabmedia](https://forum.webostv.developer.lge.com/u/sabmedia)\ **Replies:** 1\ **Last updated:** [November 28, 2024, 4:31am UTC](https://forum.webostv.developer.lge.com/t/exit-full-sceen-video/11640 "2024-11-28T04:31:03Z")
please tell me if there a specific setting with webos 5.0 in back button when exiting video full screen , there is no issue with 4.0 or 6.0 or others and i don’t have a tv to test with 5.0 can you please help --- ## [webOS 앱 자동 실행 및 로그아웃 문의](https://forum.webostv.developer.lge.com/t/webos/11349)
**Author:** [@user185](https://forum.webostv.developer.lge.com/u/user185)\ **Replies:** 3\ **Last updated:** [November 18, 2024, 5:40am UTC](https://forum.webostv.developer.lge.com/t/webos/11349 "2024-11-18T05:40:14Z")
안녕하세요, React 로 만든 웹 애플리케이션을 패키징하여 설치하였습니다. TV 가 켜진 후 앱을 실행시키고 싶은데 관련한 API 가 있는지 궁금합니다. 제가 만든 앱에서 LG TV 에 설치되어 있는 넷플릭스앱에서 로그아웃이 가능한지 여쭙고 싶습니다. 감사합니다. --- ## [LG WebOS Deeplink Tester Tool for Mac is Not Working](https://forum.webostv.developer.lge.com/t/lg-webos-deeplink-tester-tool-for-mac-is-not-working/11392)
**Author:** [@robinalex](https://forum.webostv.developer.lge.com/u/robinalex)\ **Replies:** 1\ **Last updated:** [November 18, 2024, 5:27am UTC](https://forum.webostv.developer.lge.com/t/lg-webos-deeplink-tester-tool-for-mac-is-not-working/11392 "2024-11-18T05:27:54Z")
Note: I am using VS code plug-in, and its working fine without any issues. --- ## [Webos tv webapp 카메라 usb 연동 문의](https://forum.webostv.developer.lge.com/t/webos-tv-webapp-usb/11278)
**Author:** [@hojeong](https://forum.webostv.developer.lge.com/u/hojeong)\ **Replies:** 1\ **Last updated:** [November 14, 2024, 7:45am UTC](https://forum.webostv.developer.lge.com/t/webos-tv-webapp-usb/11278 "2024-11-14T07:45:35Z")
안녕하세요 webos tv web app에서 스탠바이미에 usb 포트로 카메라에 연결하여 사용자로부터 카메라 권한 허용을 받아 카메라 연동할 수 있는 방법이 궁금합니다. DOMException: Permission denied 오류가 나고, navigator.mediaDevices.getUserMedia({ video: true }) 코드를 사용해도 카메라 권한을 요청하는 팝업이 출력되지… --- ## [Keep screen on, prevent screensaver/blackout](https://forum.webostv.developer.lge.com/t/keep-screen-on-prevent-screensaver-blackout/740)
**Author:** [@Noitidart](https://forum.webostv.developer.lge.com/u/Noitidart)\ **Replies:** 30\ **Last updated:** [November 13, 2024, 3:02am UTC](https://forum.webostv.developer.lge.com/t/keep-screen-on-prevent-screensaver-blackout/740 "2024-11-13T03:02:57Z")
I created a web page that refreshes every hour, I want to display it on my LG TV. I want to to try to keep screen awake, I don’t want the screensaver to come on. It does so in 45 minutes even though all energy saver sett… --- ## [Magic remote is not working in debug mode](https://forum.webostv.developer.lge.com/t/magic-remote-is-not-working-in-debug-mode/10493)
**Author:** [@Pratap\_Reddy](https://forum.webostv.developer.lge.com/u/Pratap_Reddy)\ **Replies:** 6\ **Last updated:** [November 13, 2024, 2:59am UTC](https://forum.webostv.developer.lge.com/t/magic-remote-is-not-working-in-debug-mode/10493 "2024-11-13T02:59:42Z")
Hi, In debug mode Magic remote is not working. Kindly suggest the alternative regarding this. Thanks in advance. --- ## [Custom headers to DRM license server request](https://forum.webostv.developer.lge.com/t/custom-headers-to-drm-license-server-request/11091)
**Author:** [@kauefcastro](https://forum.webostv.developer.lge.com/u/kauefcastro)\ **Replies:** 1\ **Last updated:** [November 8, 2024, 8:20am UTC](https://forum.webostv.developer.lge.com/t/custom-headers-to-drm-license-server-request/11091 "2024-11-08T08:20:38Z")
Hello, We have a Video-on-Demand application, it’s a hosted app, and we’re having problems with to use the DRM in the player, because the DRM provider requires to send a token in the headers to the DRM License Server. I… --- ## [Image not loading in LG](https://forum.webostv.developer.lge.com/t/image-not-loading-in-lg/6385)
**Author:** [@Harshini](https://forum.webostv.developer.lge.com/u/Harshini)\ **Replies:** 8\ **Last updated:** [November 6, 2024, 8:55am UTC](https://forum.webostv.developer.lge.com/t/image-not-loading-in-lg/6385 "2024-11-06T08:55:10Z")
After the build run, the static file is not reading the image URL correctly. As there is a dot (.) required at front of the URL. Since the images are not loading in LG webosTv. I am using React framework for my Web Appl… --- ## [Webgl(wasm, three.js) 사용 문의](https://forum.webostv.developer.lge.com/t/webgl-wasm-three-js/10923)
**Author:** [@hojeong](https://forum.webostv.developer.lge.com/u/hojeong)\ **Replies:** 1\ **Last updated:** [November 5, 2024, 6:51am UTC](https://forum.webostv.developer.lge.com/t/webgl-wasm-three-js/10923 "2024-11-05T06:51:42Z")
안녕하세요. webOS TV 6.0 이상 기반 환경(스탠바이미 또는 터치모니터)에서 동작하는 TV webAPP을 개발하고 있습니다. webOS TV 6.0 이상 환경에서 web API 문서를 통해 webGL을 지원하는 것을 확인하였습니다. webGL 또는 three.js를 이용하여 2d 또는 3d 그래픽을 렌더링하는 context를 생성하면 앱이 2분 20초가 경과 되었을 때 “효율적인 메… --- ## [Problem: Infinite loading occurs when playing all video content](https://forum.webostv.developer.lge.com/t/problem-infinite-loading-occurs-when-playing-all-video-content/10867)
**Author:** [@jucapopo](https://forum.webostv.developer.lge.com/u/jucapopo)\ **Replies:** 1\ **Last updated:** [October 31, 2024, 3:02am UTC](https://forum.webostv.developer.lge.com/t/problem-infinite-loading-occurs-when-playing-all-video-content/10867 "2024-10-31T03:02:46Z")
We are currently performing the migration test of your app to webOS25 device, which will be released to the market next year. The migration test is performed before the commercial launch of the new device, to have the a… --- ## [Clear all keycode](https://forum.webostv.developer.lge.com/t/clear-all-keycode/10851)
**Author:** [@Mohsin](https://forum.webostv.developer.lge.com/u/Mohsin)\ **Replies:** 1\ **Last updated:** [October 31, 2024, 2:58am UTC](https://forum.webostv.developer.lge.com/t/clear-all-keycode/10851 "2024-10-31T02:58:12Z")
Hi, I would like to know the keycode of the “Clear All” button on the LG TV virtual keyboard. I want to clear the password field with four different input fields (to accept a one-time password), but when I press the cle… --- ## [Hosted Web App remained logged in after reinstallation](https://forum.webostv.developer.lge.com/t/hosted-web-app-remained-logged-in-after-reinstallation/10696)
**Author:** [@antonioglez](https://forum.webostv.developer.lge.com/u/antonioglez)\ **Replies:** 1\ **Last updated:** [October 24, 2024, 12:26am UTC](https://forum.webostv.developer.lge.com/t/hosted-web-app-remained-logged-in-after-reinstallation/10696 "2024-10-24T00:26:04Z")
We have been informed by the LG team that we have the following issue: the app remained logged in after reinstallation. I would like to provide some context and technical insights into why this behavior may be occurring… --- ## [How to stop the back button in my LG Remote?](https://forum.webostv.developer.lge.com/t/how-to-stop-the-back-button-in-my-lg-remote/10541)
**Author:** [@user133](https://forum.webostv.developer.lge.com/u/user133)\ **Replies:** 1\ **Last updated:** [October 17, 2024, 11:36pm UTC](https://forum.webostv.developer.lge.com/t/how-to-stop-the-back-button-in-my-lg-remote/10541 "2024-10-17T23:36:26Z")
I have some questions that I want some answer upon : Can we entirely stop and prevent the behavior of my back button in LG Remote ? I want to control the entire back button on my commands, how will I be able to do that… --- ## [Back button exiting app when it should not](https://forum.webostv.developer.lge.com/t/back-button-exiting-app-when-it-should-not/10465)
**Author:** [@user125](https://forum.webostv.developer.lge.com/u/user125)\ **Replies:** 1\ **Last updated:** [October 17, 2024, 8:09am UTC](https://forum.webostv.developer.lge.com/t/back-button-exiting-app-when-it-should-not/10465 "2024-10-17T08:09:31Z")
Our app has recently started behaving differently when using the Back button on the LG remote. Previously it would only exit to LG Home using the Back button in one scenario only, and we could override this button for ot… --- ## [Error when trying to install .ipk](https://forum.webostv.developer.lge.com/t/error-when-trying-to-install-ipk/10526)
**Author:** [@testedataway](https://forum.webostv.developer.lge.com/u/testedataway)\ **Replies:** 1\ **Last updated:** [October 17, 2024, 6:42am UTC](https://forum.webostv.developer.lge.com/t/error-when-trying-to-install-ipk/10526 "2024-10-17T06:42:43Z")
I have run this command several times: ares-install --device tvlg1 Painelatendimentolg.dataway.info\_1.0.0\_all.ipk, but the last time this message appeared in the attachment, do you know what it could be? --- ## [Failed to load resource: net::ERR\_ACCESS\_DENIED](https://forum.webostv.developer.lge.com/t/failed-to-load-resource-net-err-access-denied/10510)
**Author:** [@user129](https://forum.webostv.developer.lge.com/u/user129)\ **Replies:** 1\ **Last updated:** [October 17, 2024, 6:40am UTC](https://forum.webostv.developer.lge.com/t/failed-to-load-resource-net-err-access-denied/10510 "2024-10-17T06:40:00Z")
I have created a flutter app. I used web build folder to run the packaged ipk on WebOS TV. Im getting error as Failed to load resource: net::ERR\_ACCESS\_DENIED. Seems like WebOS TV cannot read the flutter\_bootstrap.js f… --- ## [Documentations for flutter app deployments and debug in real LG TV](https://forum.webostv.developer.lge.com/t/documentations-for-flutter-app-deployments-and-debug-in-real-lg-tv/10536)
**Author:** [@user129](https://forum.webostv.developer.lge.com/u/user129)\ **Replies:** 1\ **Last updated:** [October 17, 2024, 6:24am UTC](https://forum.webostv.developer.lge.com/t/documentations-for-flutter-app-deployments-and-debug-in-real-lg-tv/10536 "2024-10-17T06:24:42Z")
Hi Guys, Im developing a flutter app for TV, Currently I was able to deploy the flutter app on Google TV, Samsung TV. Still Im struggling to deploy and test the flutter app on webOS LG TV. I can’t find any documents rel… --- ## [Running two videos at the same time](https://forum.webostv.developer.lge.com/t/running-two-videos-at-the-same-time/10522)
**Author:** [@aaronfolmer](https://forum.webostv.developer.lge.com/u/aaronfolmer)\ **Replies:** 1\ **Last updated:** [October 17, 2024, 6:15am UTC](https://forum.webostv.developer.lge.com/t/running-two-videos-at-the-same-time/10522 "2024-10-17T06:15:18Z")
I already search a lot about this problem, and the latest answer was on 2023, but now in 2024 and in the future, will we be able to run simultaneously two videos at the same time in the browser?, or even in the apps? --- ## [Beam a Web App: How to register a web app for WebOs](https://forum.webostv.developer.lge.com/t/beam-a-web-app-how-to-register-a-web-app-for-webos/10513)
**Author:** [@simbaste](https://forum.webostv.developer.lge.com/u/simbaste)\ **Replies:** 0\ **Last updated:** [October 16, 2024, 8:26am UTC](https://forum.webostv.developer.lge.com/t/beam-a-web-app-how-to-register-a-web-app-for-webos/10513 "2024-10-16T08:26:12Z")
Hello, We are planning to develop a web application to extend our mobile application experience on TV. Our goal is to launch the web app from the mobile app and establish communication between the two using Connect SDK.… --- ## [JavaScript code is not executed on our web-app](https://forum.webostv.developer.lge.com/t/javascript-code-is-not-executed-on-our-web-app/10230)
**Author:** [@AntoninV](https://forum.webostv.developer.lge.com/u/AntoninV)\ **Replies:** 3\ **Last updated:** [October 10, 2024, 6:31am UTC](https://forum.webostv.developer.lge.com/t/javascript-code-is-not-executed-on-our-web-app/10230 "2024-10-10T06:31:35Z")
I’ve made a web-app that uses very basic HTML, CSS and JavaScript. I’ve tested it using the LG WebOS TV simulator and everything worked fine. Later I tried to test it on actual LG TV, so I’ve installed it into the syste… --- ## [Prevent screen from going idel while browser is open](https://forum.webostv.developer.lge.com/t/prevent-screen-from-going-idel-while-browser-is-open/10144)
**Author:** [@lyitmaster](https://forum.webostv.developer.lge.com/u/lyitmaster)\ **Replies:** 3\ **Last updated:** [October 8, 2024, 7:55am UTC](https://forum.webostv.developer.lge.com/t/prevent-screen-from-going-idel-while-browser-is-open/10144 "2024-10-08T07:55:16Z")
Hello, we have developed a web app that runs on browser and it’s working well on lg browser. but the issue is that lg monitor puts the screen idel mode after 40min of inactivity even the screen saver is disabled and the… --- ## [ My application cannot read a 20mb txt file](https://forum.webostv.developer.lge.com/t/my-application-cannot-read-a-20mb-txt-file/10220)
**Author:** [@LgSonK](https://forum.webostv.developer.lge.com/u/LgSonK)\ **Replies:** 3\ **Last updated:** [October 8, 2024, 7:53am UTC](https://forum.webostv.developer.lge.com/t/my-application-cannot-read-a-20mb-txt-file/10220 "2024-10-08T07:53:59Z")
I am writing an application for LG TV. The application that works on the simulator does not work on the TV. It cannot read a 20 MB txt formatted HTML file located on a server on the same network. When I reduce the file s… --- ## [App does not work on some devices](https://forum.webostv.developer.lge.com/t/app-does-not-work-on-some-devices/10227)
**Author:** [@user97](https://forum.webostv.developer.lge.com/u/user97)\ **Replies:** 1\ **Last updated:** [October 8, 2024, 7:46am UTC](https://forum.webostv.developer.lge.com/t/app-does-not-work-on-some-devices/10227 "2024-10-08T07:46:35Z")
I’m trying to submit a web game, but QA keeps rejecting it because it won’t start on certain devices, in particular: webOS22( K8Lp ), webOS23( K8LPn ), webOS24( K8Lpn2 ). Is there a list of chipsets and their capabilitie… [Previous page](https://forum.webostv.developer.lge.com/c/web-app-development/35.md?page=6) [Next page](https://forum.webostv.developer.lge.com/c/web-app-development/35.md?page=8)