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Android Core

MQTT Protocol Tutorial

MQTT protocol is a Machine to Machine (M2M) protocol widely used in Internet of things. It is a message based protocol. It is extremely light-weight and for this reason, it is adopted in IoT ecosystem. Almost all IoT cloud platforms support MQTT protocol to send and receive data from smart objects. There are several implementations for different IoT boards like Arduino, ...

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How to get started with Android development – Basic structure

In a previous article, I wrote about how you can launch your first Android application from the samples provided with Android Studio. Now that you’ve had a chance to poke around a few samples, I’m going to tell you a bit about the basic structure of an Android application. A good place to start understanding an application is the manifest. ...

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IoT Push notifications: Arduino – Firebase – Android

This tutorial describes how to implement IoT push notifications. Using IoT push notifications, we can send notifications to other devices. In this case, we want to send an IoT push notifications from a smart object (like Arduino MKR1000) to a mobile smartphone (i.e. Android smartphone). This project integrates different eco-systems: IoT and Android. This project can have several implementations: for example, ...

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Push notification in Android using Firebase cloud messaging

This post covers how to send push notification in Android.  In the past, we were used to send push notification in Android using Google Cloud messaging service. Recently, it was introduced a new way to send push data using Firebase. Even if the basic principles remain the same Firebase introduced some interesting new features. Firebase supports other services like: Authentication ...

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[MEGA DEAL] Java Essentials for Android Course (61% off)

Master the Language Behind Android Apps with a University Professor! Hey fellow geeks, This week, on our JCG Deals store, we have an extreme offer. We are offering the Java Essentials for Android Course for only $34 instead of the original price of $89, yeap that is a massive 61% off. Understanding Java is the cornerstone of building great apps ...

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Android HTTP library: Handle HTTP, JSON, Images

When we develop an Android app, usually we have to connect to a remote server to get information. The connection usually is based on HTTP protocol because it provides a simple mechanism to transport information. Moreover, almost all platforms provide a set of API based on HTTP and it is very common the scenario where an Android app needs to ...

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