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. rewe lernen online

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 Overall Rating: ⭐⭐⭐⭐ (4/5) Best for: New REWE

Codename One initializr

STEP 2

Check out the documentation

Once the plugin is installed & you registered check this post covering tutorials/videos & guides and career changers needing flexible

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

Rewe Lernen Online !!top!! Instant

Overall Rating: ⭐⭐⭐⭐ (4/5) Best for: New REWE hires, part-time cashiers, and career changers needing flexible, basic-to-intermediate retail training. Not ideal for: Advanced management or hands-on practical skill development (e.g., deli counter slicing). What is REWE Lernen online? REWE Lernen online is the digital learning portal used by REWE Group (Germany’s second-largest supermarket chain) to train its employees. It covers everything from cash register operations and fresh food handling to workplace safety, customer service, and compliance (e.g., alcohol/tobacco sales laws).