Twilio Client Python not Working in IOS Browser - javascript

I have created a simple twilio client application to make phone calls from Web Browser to phones. I used a sample Flask app to generate a secure Capability Token and used twilio.min.js library to handle calls from my HTML.
The functionality works fine in Computer Browsers and Android Phone Browsers, but fails in IOS browsers(checked both in Safari and Chrome). In android the page asks for permission to use mic and headphone but in IOS it doesnot even as for that. Is there anything that I am missing here? It would be really helpful if someone can throw some light into this.
The doc I referred to was : Twilio Hello Monkey Client

Twilio developer evangelist here.
Twilio Client uses WebRTC and falls back to Flash in order to make web browsers into phones. Unfortunately Safari on iOS supports neither WebRTC nor Flash so Twilio Client cannot work within any browser on iOS.
It is possible to build an iOS application to use Twilio Client just not a web application.

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access web serial api in android chrome browser

using web serial API in windows, mac os, and Linux chrome browser I can receive and send data. but in the android chrome browser, I am not able to send or receive data from a serial device.
so which API is used to read and write data to serial devices in the android chrome browser.
also, there is a polyfill serial API for android chrome but is showing an error shown in the image.
The team that built the implementation of the Web Serial API in Chromium also wrote a polyfill library which uses WebUSB to support platforms which don't provide built-in serial drivers: https://github.com/google/web-serial-polyfill
It looks like you are already trying to use this library. Can you file an issue on the library's GitHub project so the team can look at the error you're seeing?
Note, it seems like there are some Android devices which have USB serial drivers that end up blocking WebUSB from claiming interfaces even though the platform doesn't let apps actually use them. https://crbug.com/1099521 is tracking a workaround for that.

WebRTC support for android

I wanted to build video calling app using webRTC and went through lot of websites searching for that but found nothing, just disappointment as most of websites provided the steps for the web and the other said to visit this link "https://webrtc.org/native-code/development/" for native android sdk of webRTC, which shows 404 error. I just want to know, google don't provide native android sdk?. So, I can't build native android app with webRTC or there is some other method to use webRTC. And if not what's some other way to make video calling app?
Old site moved to: https://webrtc.github.io/webrtc-org/native-code/android/
Not happy with the new site as well tbh.

Is https needed for getUserMedia when using a Webview on iOS?

Browsers enforce https when using getUserMedia. I am working on a web app made to be used on a local network rather than actually connecting to the internet so going for a typical TLS cert won't really work. If I use a webview in an iOS app, would getUserMedia work when pointing the view at an IP address serving a website?

Windows 10 IOT Javascript not working

I am implementing Twilio JS into a UWP application (their JS here)
The client looks like this:
https://gyazo.com/5c870394c88ec933281e2f3bb17fdeec
At the bottom right is the 'debug window' which shows it got a token, and that Twilio.Device is ready. This works fine on a PC, but on Windows 10 IoT it stops at Got a token. It doesn't show the device is ready. I thought it was a compatibility issue but I checked every box that has to do with this project.
My next though is, that the JavaScript or something isn't implemented on Windows 10 IoT.
It works on the desktop, but on IoT it doesn't get far.
Any help is appreciated.
Update:
I tracked down the error 0x800a139e - JavaScript runtime error: Twilio.Exception: twilio.js 1.3 requires WebRTC/ORTC browser support.
Apparently it doesnt support WebRTC?
Twilio developer evangelist here.
Twilio Client JS is built to support browsers that support WebRTC/ORTC. This means it is currently compatible with Chrome, Firefox and Edge.
The Twilio Client JS has not been built with UWP applications in mind, especially not those running on the IoT build. However, I have just found this blog post about using WebRTC in UWP applications, perhaps that can help by implementing WebRTC/ORTC within your UWP app.
If anyone had the same problem. I put the project on hold for a little, but Windows 10 IoT core (as up until this writing), does not have WebRTC or ORTC support.

Does a non-mobile DJI Drone SDK exist?

I can see that DJI has a drone SDK for mobile apps (iOS/Android), but I would like to pilot the device from client-side JavaScript or desktop C#. Preferably some type of REST api that can be addressed by any language.
Does something like that exist? I don't see anything obvious on their website.
Did you find the DJI Onboard SDK?
It has sample programs for Qt, Linux, and STM32.
You could use the desktop app/web app to send commands to an MQTT server. You would then need to write a simple mobile app to connect to the MQTT server and subscribe to the command channel.
Then as commands come in via your various applications (desktop, web, etc) you translate the commands received from MQTT to the specific DJI SDK commands and send them to the UAV.
If you're looking to straight up control the drone without being connected to the RC controller or a mobile device, then the only option is the onboard SDK. If you are just looking for a way to run code on the drone directly, you would need to go through either the mobile SDK or onboard. There would be no way to do so without onboard or mobile sdk, you would need some device to communicate with your application and transfer those commands to the drone via onboard sdk or just write an android or ios application for the mobile sdk.
Just buy Blue stack emulator for Windows to simulate Android OS. Better option is to explore docker on Windows and spin some android docker container. It is free to host it in Azure also with database inside.

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