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Just like google as the number GOOGL (46645), I would like to also set up a server like this that will have the ability to receive text messages.
Here is a nice tutorial showing how to receive SMS using a PC (or the full SMS tutorial here).
Remember that this is Telco territory, so make sure you have capital to grease their pockets. And know that everything you do will be made as difficult as possible, further inhibited by proprietary protocols.
While Twilio doesn't yet support shortcodes, you can be up and running accepting text messages using simple POST requests sent to your server very quickly. There are other similar services out there as well so look around and use the one you like the most.
[Full disclosure: I work for Twilio]
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I am asking this as I am attempting to create a game library and I am kind of new to Socket programming and I was wondering if it is best that I use netty or plain old Socket.io for this. And when attempting this I just need an idea of how I should go about mixing TCP/UDP together within my framework for this section of what I am working on.
It seems you already picked netty, at least as tag. With that framework you do not do socket programming yourself. Go through the documentation and learn to focus on event handlers: What should happen when a message is received via the network?
Consider such messages simply to be events, just like a mouse click or keyboard input.
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I saw so many tutorials on StackOverflow and also on other websites
But I can only find tutorials to send messages via WhatsApp itself,
So it opens WhatsApp,
I want to send a message without opening WhatsApp and purely through my App.
Since Whatsapp is not a system app it is not possible to do so. In Message sending app there are APIs available from OS level. By using those APIs it is possible. Whatsapp is a third party app there is no API available to do. For this you only have explicit way to do so.
I think you can achieve this task through Assibility APIs.
According to whatsapp themselves this is not possible wihtour unsupported workarounds
You will have to open whatsapp to send,
Check The Whatsapp FAQ and developer guides
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i want to write a simple App for me (Android). For this it is necessary that the server can send data to my client (only one client at a time) but unfortunately i have no idea how to use sockets or websockets with codename one.
Can someone please post a small examplecode how to establish connection, listen on it and send some small data?
greetings
Captain
You need to use the cn1lib from Steve Hannah to access websockets. Its available here: https://github.com/shannah/cn1-websockets
Found thru looking at https://www.codenameone.com/cn1libs.html
Sockets are a bit problematic though, you might want to look at push, pubnub or just https if applicable. See the chat app demo parts 5 & 6 for the former:
https://www.codenameone.com/blog/building-a-chat-app-with-codename-one-part-5.html
have a look at this example code: https://towhidz.wordpress.com/2012/03/03/simple-chat-applicationclient-server-in-android/
Google is your friend
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I would like to develop an application using push notification service (like Whatsapp). What kind of service would I have to use to manage all kinds of operating system?
I would suggest using a backend like Parse.
http://www.parse.com
It's a good starting place and supports all different types of OS's.
It stores data, provides analytical stats and also allows you to send push notifications to 1 million unique devices - without paying a penny.
Hope this helps.
Cheers
Ryann
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I want to make the simplest and most reliable on/off device controlled from a compuer software (Java).
I was thinking about sinus sound singnal + RC filter with relay for specific frequency, but unfortunatelly I can't use sound card - it is already occupied for different purposes.
How can I achieve this without much compatibility/reliability issues. It should work both on Unix and Windows
I mean an output device, so I want to turn on/off relay from Java software.
USB MIDI adapter and then midi to relay .
Maybe use a Raspberry Pi (includes GPIO controller). Put a web service to control the GPIO. The web service is accesable from any HTTP client.
http://learn.adafruit.com/adafruits-raspberry-pi-lesson-4-gpio-setup/