Develop Reference

Is there a way to link email, calculator or calendar with Intent in javascript?

I want to know how to open default app using javascript on android device.
I know how to connect to an app I developed using javascript, but I can't connect to an app installed on the device.
Please let me know if there is a way.
thank you

How does Arduino(Sigfox) send informationto Mobile application

i am a newbie in Javascript and i have a question regarding passing of information from Arduino all the way to a mobile application.
So first of all, in the mobile app that i will be creating will only consist of Javascript, html and css.
The things that i will be using:
-Arduino Device
-Sigfox add-on
-cPanel
-Mobile app
I will be creating an IOT device with arduino and a Sigfox add-on (Which passes a small byte of information to their Sigfox server) But the question is, how do i get sigfox to send to cPanel and how to get cPanel to send to mobile app?
*I do not need any code.. but just some guidance of how it works from getting Arduino device all the way to my javascript mobile app.. Thank you

I documented a project that did what you needed.
In this project, I hooked up a button to my Arudino UNO. When the button is pressed, it will send a message through the Sigfox backend to my virtual server, and then finally as a notification to my mobile phone.
Take a look at it here, am happy to assist further should you require any assistance.
https://jacksonng.org/zoe-helper-sigfox-sos-device-part-1

Android/iPhone device connection via USB in NodeJS

I need to connect android/iPhone device via USB with a PC. An program written in NodeJS should be able to detect the device and get information and perform some operation on the device like reboot and reset.
Anyway, I've tried some libraries like node-usb but I'm not able to send command to the device or perform any task like that.
For iOS there's some library libimobiledevice but couldn't find any nodeJs wrapper.
Maybe I'm missing something here, any help will be appreciated.
Thanks is advance.

Don't know for iOs, but I don't think it is possible in Android. The reason is with permissions: it would rather be a bug then a feature if someone could just plug in a USB and shutdown your device without asking.
So, maybe if you would ask permissions for access and such, maybe.
Android App with Popup is possible.
And that is with Apps, not with NodeJS, it's not native to either iOs or Android.

Discover devices vendor and model on a local network

I need to find out if it's possible and if so, what is the API for that.
The required scenario:
connect to a wifi network.
from an android app or using javascript from a webpage find out the make and model of devices that are connected to the same router.
I found a way to find the IP addresses, and I saw that Find app can see the manufacturers, but can't tell if it's a mobile device, a tablet, a laptop or a printer.
I thought that a possible way would be to use jmDNS (which I can't get my android project to compile with), and service discovery, but I'm not sure that it will tell me if the device is a tablet or a smartphone.
For Android I can also think of the linux build number to search against a device list compatible with that build. However, I'm not sure about Apple devices.
Is there a way to do that or am I wasting my time?
If there is, will it work in Android or with JS?
Thanks.

Javascript to access usb HID (usb game controller)

Im looking to use Javascript to read events from a usb device other than a keyboard or mouse. Specifically, I want to use a usb gaming controller to read events. If this isnt possible with Javascript, is there anything else thats on the browser and client side that would allow me to do this? Im not above having the user accept permission for something, install a plugin, or limit them to a particular browser.
Thanks in advance

You can use the Gamepad API that exists for this very reason.