I want develop a simple program for an Android smartphone that give the possibility to the user to transfer an image from the device to the pc. I want create a direct connection using the WiFi Direct technology. I saw the official documentation on the developer android site, and i found it very helpful. My question now, is how can i find the pc and established a connection with it? I saw that establish a connection from two smartphone is really easy, but how can i proceed in this case? The pc need to be in a wireless network (i don't think) ?
Thanks for any suggestion.
The PC does not need to be on a wireless network (that is the whole point of using Wifi-Direct) but to enable Wifi-Direct on a PC, you need to install the Intel MyWifi Dashboard software (full version) and also need to make sure that your drivers are updated.
(http://www.intel.com/support/notebook/sb/CS-033660.htm)
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Currently I am working on a website that uses Vue-js as front-end technology and Node + MySQL as the back-end part. In the development mode, when I am connecting to the internet and use npm run serve (I am using Vue version 2) I see these lines in my command-line:
That is very good feature of Vue-CLI that helps me to see and test my website in for example my mobile device (with the help of address in the Network part of above image). But unfortunately when I go to some pages (like "article pages") that have some information from back-end part of site, I could not see them in my mobile. The reason is clear. I use Node server in other terminal in my laptop and also run XAMPP to have MySQL database and both of them are not related to Vue-CLI. So their part of information could not be seen in real devices like my mobile phone.
I want to know is there any solution that I could test and see all parts of my site before putting it online and in real device? I know that I could use browser utilities for testing responsive design but I want to see it in a real device. Also when I searches for that, I usually find websites and solutions that works when the site is online (not using localhost). If any developer has any idea for that (when using Node as back-end or other languages in general in combination with Vue-CLI) that could help me to see my website in real device, I am so curious to understand that. Is there any package that does it for me?
If you are on a home wifi, visit the ip address shown the screenshot you shared "http://192.168.1.50:880" on your mobile device or any other device connected to the same wifi.
We recently implemented the webHID API for one of our sites (it is such a godsend) and have the client asking if they can use the devices over a Microsoft RDP connection?
I imagine this would depend on the RDP client and whether they can/do send HID events over the RDP connection.
From some initial research it looks like you can redirect USB over RDP but don't think this will work for us as I couldn't get my device mapping done with the webUSB API.
If anyone has any input on this it would be greatly appreciated.
Thx
WebUSB, WebHID and Web Serial should work with a remoted USB device.
That said, there may be bugs if these devices don't appear to applications like Chrome in quite the same way they do when connected locally. If they don't, it would be interesting to get logs from chrome://device-log and see how the device appears in the Windows Device Manager.
Please file a bug at https://crbug.com/new and let us know so that we can keep track of this issue.
I want to make an HTML5 game that can be controlled with mobile. So how to communicate between mobile and browser on PC?
I think of the following ways:
Bluetooth This may be the most easy way to use. But I searched and found that Chrome made bluetooth API proposal last year but is now available only on Chrome dev, which means I cannot make the game popular for everyone.
WiFi I don't know how to set up a host on browser using WiFi information. If so, I can then connect my mobile to WiFi. This is considered to be faster than web socket since it's local network.
Web Socket There're a lot of information about how to use this. But as this use WAN, it is considered to be slower and is my last choice.
So, does anyone know how to achieve this with the former 2 ways?
I'm planning to realize the following project and would be thankful if somebody could verfy my approach!
I want to establish a fully bidirectional wireless realtime communication between a smartphone (cross platform) and a embedded microcontroller running a webserver.
The webserver should provide data of the connected hardware in realtime e.g. temerature.
The smartphone should render these on screen and you should be able to configure the hardware e.g led color with the smartphone and save the config to the embedded webserver.
My first guess was to use HTML5 websockets but they aren't available on all platforms so I got inspired by XBMC, which uses JSON-RPC.
Just imagine a car stero system with bluetooth connected to a µC with webserver and wifi dongle.
My plan is to implement a webapp on the webserver which lets serves the purpose mentioned above. But the tricky part is to get the user to establish a bluetooth connection to the stereosystem because i looked up similar questions which say you can't access stuff like bluetooth on the smartphone with HTML5.
long story short, this is the current idea:
hardware -> µC -> webserver -> HTML5 Webapp-> WIFI -> Smartphone
communication via JSON RCP.
I would be highly thankful if somesone could give a statement to said idea and planned implementation because I never done this before!
Thanks guys!
We at muzzley, have developed a framework to simplify this process. We provide a way for your browser applications to communicate with smartphones. In the side of the smartphone you have widgets that are already done (gamepad, drawpad, switch, swipe, others) or you can build your own html based widget.
(disclaimer: i work for this project)
Most of the work is already done for what you want to do :)
Quick start here:
http://www.muzzley.com/documentation/quick-start.html
You can pull from github several examples here:
https://github.com/muzzley/muzzley-demos/
Lib for browser:
http://www.muzzley.com/documentation/libraries/javascript.html
I hope it helps.
Best
I think your first instinct was probably right. Have you looked at socket.io for node? It's essentially a shiv which ensures that you can use websocket functionality in virtually any combination of device and browser (see list of supported transport mechanisms and browsers here).
It should allow you to avoid bluetooth altogether.
trying to create a program that works as following .video is captured by web cam of laptop and it is streamed to android phone using wifi .According to the video displayed, user types some messages and sents back to laptop simultaneously.
googled and found that making an ad-hoc wireless network will work,but forum
discussions says its not supported by android.want my app to work from 2.2 onwards
Which Socket communication protocol (UDP or TCP) protocol should be used to stream video?
Since want to implement two way communication, which one must be the server (laptop or mobile device)
Please guide me how to implement this
use connectify or any virtual router to get connected to your android phone.so app can be connected with your laptop or desktop.
go for UDP its fast and recover data even if it's lost and also use a proper data streaming strategy or a protocol.
According to your application design , i will recommend you to make your laptop work as a server. Also it would be best if you choose to use threading in both application and recommend your app to act as server or client as it's required shows more robustness..!