Firebase authentication

Firebase Authentication - Introduction

Reading Time: 5 minutes In this tutorial we are going to learn how to integrate in our app the Firebase authentication, so we will use email, Facebook and Google to register and login the user. Under the hood we will use the MVVM architecture. It means we will have a ViewModel and some MutableLiveData and LiveData to store the data and share it with the user … Read more

Teki – The turtlegirl

Reading Time: 2 minutes This tutorial is about a 2D game, Teki. Teki is a girl, a turtlegirl. The game is very simple. The track has three things. Teki, our heroine, the nice background about her  home, and some barriers, and they can be stones, and colorful birds as well. The game is a side-scroller game where the player … Read more

WeatherApp + Widget


Reading Time: 4 minutes In this course you will learn how you can create a modern Android application with a modern user interface design. This application will be a weatherapp, which will have a nice widget as well. The application, what we are going to build up together, will be a totaly standalone app, what you could upload to … Read more

Guessing Game

Reading Time: < 1 minute In this tutorial, we are going to build up a simple guessing game. First, a short introduction to the game. The essence of the game is to figure out a hidden, randomly generated number. This number is between 1 and 10. We have endless possibilities to try. From Android development side, we are going to use in this … Read more

Flappy Bird


Reading Time: 2 minutes In this tutorial we will learn how to create the very popular game, the Flappy Bird for Android in Kotlin. Flappy Bird is a mobile game developed by Vietnamese video game artist and programmer Dong Nguyen, under his game development company dotGears. The game is a side-scroller where the player controls a bird, attempting to … Read more

BMI Calculator

BMI Calculator

Reading Time: 3 minutes Do you know what does BMI mean, or did you already measured your BMI? Doesn’t matter, because in this tutorial you are going to build up a BMI calculator app, where you can calculate it and store it for the future. Below you can find the introduction. What is BMI? Frist of all, we need … Read more

RecyclerView basics

Android tutorials - RececylerView basics

Reading Time: 3 minutes In this tutorial we are going to learn how to use RecyclerView in our app. In the Introduction chapter you can read a bit about RecyclerView and you can check the app, what we are going to build up in the tutorial. Summary in few words Below you can see what about your are going to learn in this … Read more

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