Fork us on GitHub

Gorgeous native mobile app development with Java or Kotlin for iPhone, Android etc....

Codename One Academy

Build complex real world apps with full backend & front end implementations!
Covers the full process of building these apps:

  • Uber clone app - functioning clone of an Uber app with driver mode, maps, hailing and more
  • Restaurant Ordering App - Includes menu selection, billing etc.
  • App Builder - App builder application that generates restaurant specific apps
  • Social Network App (coming soon) - we introduce a new app every 3 months and let you vote on it
 

180M App Installs

40K Developers

1M Cloud Builds

BuildWrite code in Java(tm) using Eclipse, NetBeans or IntelliJ/IDEA

TestVerify your app with our simulator, devices & test automation tools

DeployGenerate native binaries for all device types using the Codename One build cloud

What's so special about Codename One?

We are the only ones that provide...
Write Once Run Anywhere, no special hardware & 100% code reuse
Compile Java(tm) or Kotlin to native iOS, Windows (UWP), Android, Desktop & JavaScript
Easy to use with 100% portable Drag & Drop GUI builder
You can control every pixel and draw anywhere
Full access to native OS using the native language (e.g. Obj-C, C# etc.)
Use native widgets & mix them with our components in the hierarchy (heavyweight/lightweight mixing)
Open Source & Free for commercial use with enterprise grade commercial offering

Testimonials

Chidiebere Okwudire
Chidiebere Okwudire SMash ICT Solutions/Senior Engineer at Sioux, Netherlands

"Affordable cross-platform toolchain that works!"

Easy extension with third-party libraries, active developer support and attractive pricing...

Ram Nathaniel
Ram Nathaniel CEO & Founder of MathUnderground, Israel

"Over 2 million active installations"

[A] mature, solid & reliable platform. It allows you to concentrate [on] developing your app, not platform specific implementations...

Fabrício Cabeça
Fabrício Cabeça Senior Developer at Pmovil, Brazil

"Going from design to working app is a breeze"

Codename One greatly reduced our development time and costs, while giving us the ability to deliver a custom experience in each platform when needed.

Ali Sayed
Ali Sayed Senior Developer, Egypt

"The best cross platform app development tool"

Its native access allowed us to add functionalities without limiting developers to platform capabilities.

Fabrizio Grassi
Fabrizio Grassi Chemetall, Italy

"a true write once run anywhere solution!"

Codename One has proven to be a productive tool for us - a true write once run anywhere solution!

Rex Green
Rex Green Vision24, South Africa

"Fast & efficient"

Fast & efficient way to eliminate the hassle of targeting multiple platforms without resorting to HTML5!

Hélio Rugani
Hélio Rugani Sócio Proprietário, Brazil

"Simply a great framework!"

[We had] some non conventional requirements & Codename One gave us good answers for all the challenges that we faced during app development.

Gareth Murfin
Gareth Murfin Developer, Taiwan

"I utilize my Java knowledge to deliver native apps"

I can deliver native apps for both platforms from a single codebase in half the time, at half the cost, with no need to hire anyone.

 Lucky Oscar Masango
Lucky Oscar Masango CTO at BOi Global Group, South Africa

"I would advise to all developers to try it out today!"

[It] has given us the ability to develop apps for all mobile platforms [quickly] & at a low cost. [It's] the most innovative tool of this generation...

Get started right away!

Start Now! It's Free!

Built with Codename One

Check out the full gallery here & our demos here
Want us to build your mobile app? Learn more here

Latest Posts From Our Blog

Native Logging and Certificate Wizard Downtime

Native Logging and Certificate Wizard Downtime

I've been so busy with the book I completely missed a lot of things I should have blogged about and one such thing is the NativeLogsReader cn1lib which has been in the extension manager for a while now.

Uber Clone Book

Uber Clone Book

I've been working on a book form of the Uber Clone module in the course. I finished the principal writing quite a while back but unlike the course a book requires more back and forth. I've already gone through the first review cycle and it has made the book much better as a result. There is still a lot to do as I would like the result to be sublime.

Right SideMenu and Tab Order

Right SideMenu and Tab Order

As I mentioned the other day, we have a lot of new features and announcements. Today I'd like to discuss the upcoming right side menu bar and new tab order functionality.

Set Properties, Density PR and Short Material Icon Syntax

Set Properties, Density PR and Short Material Icon Syntax

I have a lot to write about so today I'll only focus on two of the several PR's we handled over the last month. I'll try to cover more over the rest of the week. Also as a friendly reminder we will migrate to API level 27 this Friday and the price of the online course including the Facebook/Uber clone apps will go up next week...
If you didn't sign up yet this is your chance.

Start now! It's free!