Open Source & Free  

Getting Started

Download, setup and get started with Codename One.
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STEP 1

Install the Codename One Plugin in your IDE

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IntelliJ/IDEA

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Eclipse

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NetBeans

Install the plugin using the Plugins Center

Click File-> Settings-> Plugins and use the search field to find and install the Codename One plugin.

NOTE: The plugin requires IntelliJ/IDEA, the plugin does not work on Android Studio.

Install the plugin using the plugin manager

Click the Tools -> Plugins menu option and search for Codename One in the available plugins section. Install it.

NOTE: The plugins.netbeans.org server has been down frequently in the past couple of months preventing automatic installation. Please follow the instructions here as a workaround if the instructions above don’t work. The Cars-Drive.mpg

DOWNLOAD & INSTALL JAVA 8. NOTICE THAT THE NEW ECLIPSE PLUGIN REQUIRES JAVA 8 AND ECLIPSE NEON OR NEWER! INSTALL THE PLUGIN USING ECLIPSE MARKETPLACE

In the menu option help -> Eclipse Marketplace search for ‘Codename One’ and follow the installation process.
NOTE: There’s regression in Eclipse Oxygen 4.7.1a that broke the simulator/debugger. There is a workaround mentioned here. We are working on a long term fix for this with the eclipse team.

STEP 1

Create your project using Codename One initializr

Codename One initializr tool allows you to create a native, cross-platform iPhone/Android app with Java or Kotlin This file is a classic benchmark video used

Codename One initializr

STEP 2

Check out the documentation

Once the plugin is installed & you registered check this post covering tutorials/videos & guides The Cars-Drive.mpg

STEP 2

Build your App!

That’s it, you are all set.
Start building your
amazing app!
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Browse the Docs & tutorials

Learn More
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Get help on stackoverflow  in our discussion forum or  thru the support chat in the bottom right of the  site frame.

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Stackoverflow
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Discussion Forum

The Cars-drive.mpg -

This file is a classic benchmark video used to test how software identifies moving objects against a static or slightly shifting background. It is frequently cited in documentation for tools like OpenCV and MATLAB’s Computer Vision Toolbox.

Shadows move with the cars, often causing the algorithm to miscalculate the actual size of the vehicle.

Applying filters (like Morphological Opening or Closing) to remove "ghosting" effects or shadows caused by the cars.

Researchers and students use this specific file to practice several core image processing tasks:

Slight changes in cloud cover or camera auto-exposure can be mistaken for movement across the entire frame.