Android Question Sample Messenger with B4A

AmirPYTHON

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Hi guys!
I saw the mqtt tutorial from Erel on this site, but it worked with Wi-Fi. Does anyone have information about this? How to make an online messenger similar to WhatsApp?
 
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DonManfred

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AmirPYTHON said:
Does anyone have information about this?
Click to expand...
You can find a MQTT Tutorial here

[IoT] MQTT Protocol

What is MQTT? "MQTT is a Client Server publish/subscribe messaging transport protocol. It is light weight, open, simple, and designed so as to be easy to implement. These characteristics make it ideal for use in many situations, including constrained environments such as for communication in...
www.b4x.com
AmirPYTHON said:
How to make an online messenger similar to WhatsApp?
Click to expand...
This is not a simple task. You may start with simpler reqirements
 
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josejad

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AmirPYTHON said:
but it worked with Wi-Fi.
Click to expand...
If the MQTT server is online, then you can reach it through mobile data too.

Not sure if you are talking about this tutorial where I think the mqtt server is embedded in the app, but you can use an online mqtt server instead of one of the phones.
 
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josejad

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You can chat with just one person using an online mqtt server
 
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