Author: codeonion

  • LibGDX Android Studio: Download and set up a new LibGDX Project

    LibGDX Android Studio: Download and set up a new LibGDX Project

    Hey fellow developers! Welcome to the beginning of LibGDX for Android tutorials. In this tutorial, you will learn how to download, setup and create a new LibGDX project in Android Studio. At the end of this tutorial, you will: Download LibGDX Setup LibGDX Create a new LibGDX project in Android Studio So lets get Started! Download LibGDX […]

  • Use OpenCV to show camera on android App with correct orientation

    Use OpenCV to show camera on android App with correct orientation

    Return to OpenCV 4 Android Tutorials List In this series of tutorials, you are learning OpenCV for Android using Android Studio. So far, you have made a working OpenCV Android Studio Project containing OpenCV module. In Here is the overview of what we are going to achieve: Create an OpenCV for Android Project (As in previous […]

  • Update Knoppix 7.6 from Terminal

    Update Knoppix 7.6 from Terminal

    So you downloaded Knoppix and realized that it is a little bit rusty. There is a way to make it fresh and update all the packages with two simple commands. First you need to Refresh the packages database. Go to terminal and type the following command and press enter. sudo apt-get update   This will initiate […]

  • Creating a new OpenCV project in Android Studio

    Creating a new OpenCV project in Android Studio

    Return to OpenCV for Android Tutorials List In this tutorial, we will create a new OpenCV project in Android Studio. Since you have everything downloaded already, we are ready to move on. By the end of this tutorial, you will have a new project set up, which you can use to build your projects upon. So […]

  • Learning the Packages of OpenCV SDK for Android

    Learning the Packages of OpenCV SDK for Android

    Return to OpenCV for Android Tutorials List In the previous tutorial, you learnt about the file structure of OpenCV SDK for Android. Now, we will learn the packages which are available for us to use in OpenCV SDK for Android. At the end of this tutorial, you will definitely know what OpenCV for android has to offer. […]

  • OpenCV SDK for Android File Structure

    OpenCV SDK for Android File Structure

    Return to OpenCV for Android Tutorials List In this tutorial, you will learn about the file structure of OpenCV SDK for Android. The information here is very short and lacks details. My purpose here is to provide just enough information to get going with the rest of the tutorials. I highly recommend reading more about the […]

  • OpenCV for Android: Download Required Software

    OpenCV for Android: Download Required Software

    Return to OpenCV for Android Tutorials List In this tutorial, you will learn which tools to download for creating your OpenCV project in Android Studio if you follow this tutorial series 🙂 Download and install Android Studio from HERE. Make sure that it is working. Download  OpenCV for Android SDK from HERE. Demonstration of SDK download. Basically, […]

  • Android OpenCV Pre-requisites

    Return to OpenCV for Android Tutorials List Welcome to the beginning of the OpenCV for Android (OpenCV4Android) tutorial series. Before we start, you must know that this series expects you to know: Basics of Java XML Computer Vision Object Orient Programming concepts Know how to use Android Studio Know how to make and install an […]

  • Android: How to fix “null object reference” error (with code)

    This post is specifically for a problem whose solution is usually hard to find (at least now). The solution is at the end. Basically, the problem lies in the referencing method being used to make reference towards the current activity. The solution is to make the referencing dynamic. Read below for solution with code example. Problem […]

  • CodeIgniter 3 – Create your own Hello World with simple form and database!

    CodeIgniter 3 – Create your own Hello World with simple form and database!

    In the previous tutorial, you you learnt how to remove the “index.php” from URL. Now, we are ready for the “Hello World!” complete with code.  GOALS! In this tutorial, we will learn CodeIgniter 3 MVC by making a Hello World! program, complete with database, introduction to CRUD operations, form, switching pages and code. We will cover a LOT in this […]