Android

Create your first Android App with Kotlin

Kotlin is an official language to make Android Application since Google I/O 2017. Kotlin is a fun, expressive and modern language which can be considered as the language of the future to create Android Applications compared to Java. In this tutorial, you are going to create your first Android Application with Kotlin : a simple counter with plus and minus…
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Android

Trap your Friends with Broken Screen Prank for Android

Broken Screen Prank simulates the broken screen effect on smartphones and tablets to have fun with your friends. Don’t worry, it will not harm your smartphone or tablet. Broken Screen Prank is a funny application to prank your friends by simulating the broken / cracked screen effect. Broken Screen Prank offers you to choose amongst 5 different broken screen styles.…
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Android

Creating a Barometer Application for Android

We continue our exploration of the sensors supported by the Android SDK with pressure sensor. To discover how to use this sensor, we are going to create a Barometer Application for Android. As a reminder, a Barometer is a scientific instrument used in meteorology to measure atmospheric pressure. By using the data provided by the pressure sensor of Android devices,…
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Java

Generating Microsoft Excel XLSX files in Java

It’s always interesting to be able to generate Microsoft Excel XLSX files in an application to propose reports to users for example. In that tutorial, you are going to learn how to generate Microsoft Excel files in a Java application. For that, we are going to use the great Apache POI API available just there :  Note that you can watch…
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Android

Learn to create a Tic-Tac-Toe Game for Android

Tic-Tac-Toe is a classical paper-and-pencil game for 2 players. You were probably used to play Tic-Tac-Toe game during your childhood. The rules are quite simple : each player sets a X or O on a 3x3 grid. The player who succeeds in placing three of their marks in a horizontal, vertical, or diagonal row wins the game. In that tutorial, you…
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Android

Rediscover the joys of Tetris on Android

Do you remember Tetris the famous game of your childhood ? I’m sure that you have played during long hours to Tetris. Today, you are going to rediscover the joys of this classical game on your Android smartphones and tablets. Tetris Falling Blocks is an addictive puzzle game in which you must combine blocks to make complete lines to gain the…
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Java

Create your own Blockchain in 30 minutes

The Blockchain is a technological revolution at the heart of the success of Bitcoin and other crypto currencies. For some, the Blockchain is a revolution comparable to what the Internet was in its day. In this article, we propose you to create your own Blockchain in 30 minutes by using the Java programming language. It will allow you to better…
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Android

Recreate Conway’s Game of Life on Android

The Game of Life is a famous cellular automaton created by the British John Horton Conway in 1970. The Game of Life is considered a zero-player game because the evolution is determined by its initial state, requiring no further input. A player interacts with the Game of Life by creating an initial configuration. Then, you have just to observe the evolution…
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