Android Question Sample Messenger with B4A

[AmirPYTHON]

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?

 

[aeric]

I think it is better to use Firebase Cloud Messaging. Search the forum for tutorial.

 

[AmirPYTHON]

Thanks aeric

 

[DonManfred]

Does anyone have information about this?

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

How to make an online messenger similar to WhatsApp?

This is not a simple task. You may start with simpler reqirements

 

[AmirPYTHON]

This is not a simple task. You may start with simpler reqirements

For example, can I support text only?This is enough for me.

 

[AmirPYTHON]

I think it is better to use Firebase Cloud Messaging. Search the forum for tutorial.

Firebase is not accessible in my country. Do you know another service?

 

[aeric]

Firebase is not accessible in my country. Do you know another service?

You need to look for alternative then. No one know where are you coming from so we can't suggest.
A quick search found MagicBell. Don't ask me, I am not familiar with FCM alternatives.

 

[josejad]

but it worked with Wi-Fi.

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.

 

[amorosik]

Firebase is not accessible in my country. Do you know another service?

Supabase

 

[AmirPYTHON]

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.

I need to chat with only one person remotely.

 

[josejad]

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