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Generic Messenger APK

5 votes, 2.8/5

The description of Generic Messenger

This app show the creation of a generic messenger app - based on MQTT this app is a showcase for building messanger apps such as Viber or Whatsapp, but it is not a replacement or alternative to either of them.

The app uses TelephonyService to get your phone number, which is your unique identification on the service.

The app uses your Contact listing to initiate new chats.

No data is stored elsewhere on the app.

It also uses Internet for sending messages, note that although the messages are small (see MQTT) you should always use WiFi when possible to avoid extra charges. I will not take any responsability for extra data charges this app may cause.

Always avoid using ROAMING when connecting to internet if you're unsure about your phone service internet charges.

The source code is freely available at GitHub:

Please note that this app uses MQTT 3.1.1, currently there are no openly available brokers for this protocol, but you can start your own 3.1.1 broker using the testing software found at

Update: Mosquitto 1.3.1 is now available and it supports both 3.1 and 3.1.1 MQTT specs.

The application uses the Qatja MQTT client library, available at

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Generic Messenger APK Version History
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Generic Messenger 1.4 for Android 4.0+ APK Download

Version: 1.4 (9) for Android 4.0+ (Ice Cream Sandwich, API 14)

Update on: 2016-08-14

Signature: 64a469d6a90bd4361cde4211efb95b6f189e745d Generic Messenger 1.4(9) apk safe verified

APK File SHA1: 9357531a4d4a0bd91b06a8130ed4e2a59764b3a0

What's new: Added libphonenumber again for better phonenumber handling.

Download APK(987.6 KB)

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