Create a simple VOIP application - android

I want to add a feature to my existing application which is calls over WI-FI.
It should be app to app calling. I've searched the web and tried multiple solutions but I'm unable to make it work. Can someone guide me a tutorial or to link that can describe how to make calls over the wifi.
Thank you in advance.

there are multiple third party exists.
1.Sinch
2.Quick Blox
if you don’t wanna build from scratch then try above third party.I have used sinch.

Related

How to setup communication between two android applications using Socket IO library

I have 2 android applications 1st is running on android 4.4 and 2nd will be contemporary. I want to setup one to one communication between these two using socketIO, there will be thousands of such pairs at a time communicating with each other. How can I achieve this?
I have already tried and able to setup a communication with fixed port by following these websites https://socket.io/get-started/chat/. and https://socket.io/blog/native-socket-io-and-android/
Is it possible with or without knowing port in advance or any another method possible to achieve the need? Please elaborate the logic or any sample available to follow.
Thanks in advance.

Android How to Send Post Request Without Third Party

I'm new in Android Developer, I have a project to create a library for Android, inside the library, I must send a post request to web service.
My questions are:
is that possible to create a request for web service without using the third party?
if that's possible how it has done? Please give me an example
I know there is a good and simple way if I using the third party such like a retrofit, but I don't want using the third party because I want to make my code secure and I want to learn
How do I archive this?
Sorry for my bad English, I hope you all can help me.
If you mean using android framework or java built-in ways, maybe HttpURLConnection
this is an example and an useful ref

How To Get Data From 3rd Party App Like - Whatsdog Take From Whatsapp?

I'm working on an android app, and I wanted to make one like whatsdog, just for the knowledge.
Does anyone know what kind of API or SDK whatsdog uses to give a notification as soon as any of my contacts come online?
I searched a lot but got no answer so I thought I would ask here!
Any help will be appreciated!
Whatsdog may have taken permission from whatsapp officially for this purpose !
You can receive data via content provider . or if the third party app provide sdk or api , that will be another option .
Thanks

Android video chat using XMPP

I've been investigating the best way to develop a video chat application on android that:
a) Is straight P2P
OR
b) Can take advantage of existing services (gtalk?) that already support video chat to handle communications while being able to maintain a custom interfaced app
For this I was considering using XMPP + Jingle. I've seen this post and this, and I'm not sure if this idea is viable atm. What I would like to know is if it is in fact possible to use jingle on android and what, in your opinion, would be the best library/API from those available (patched smack, official smack, asmack, beem's asmack..) to use given my purpose.
I would also appreciate opinions regarding if option A or B are best (or even possible, since I'm not sure option B is).
I have researched Beem for about 1 week and I found Beem does not completely implement the Application types and transport method of jingle.
Hi I'm posting this answer to help people searching about android video chat I think the best way is to user android webrtc
use this as client
android client
and use this as server
server
I'm posting this after weeks and weeks of search so believe me this is the best solution

Bluetooth remote control using android

I have an android tablet and have an application installed on it... Now i need to control this application on the tablet through my android device... is there a way to do such thing?
Explore this example project by Google
http://developer.android.com/resources/samples/BluetoothChat/index.html
see how it works and try to implement your programming skill to transform this chat application to your idea...
How ever I am assuming that you are the author of application which you have desire to control.
happy coding.
EDITED:
Logic structure is simple both application should be able to detect bluetooth and paired(connect) with each other for communication. once you have communication instead of sending message(in chat) you send some information via buttons which will execute some methods on tablet...Just a thought... As if in chat application you can update and add messages to your thread...this application will help you to reach goal. Lot of work though!
If you are familiar with Sockets, this shouldn't be a problem for you, because the Bluetooth-connection and communication in Android is very much the same. See the Bluetooth-Tutorial and Googles "Bluetooth-Chat" example.

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