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Test It

One of the common questions we get for Codename One is regarding testability. Cross platform frameworks are notoriously hard to auto-test and so fail when you try to build more complex applications. We see this as one of the most important areas in which we can innovate and leapfrog native OS environments by offering testing that is just as cross ...

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Codename One Benchmarked With Amazing Results

Steve Hannah who ported Codename One to Avian has just completed a set of benchmarks on Codename One's iOS performance putting Codename One's at 33% slower performance than native C and faster performance than Objective-C! I won't spoil his research results so please read his full post here. A small disclaimer is that the Objective-C benchmark i...

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Fonts Revisited

Fonts are were a painful subject in Codename One, historically devices supported a very limited set of fonts and we were bound by said limitations. However, devices moved forward and finally we too can move forward to more reasonable font support. The new font API is limited to Android & iOS, we were considering Blackberry support too but it seems that ...

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Cloud Storage, Cloud Bind(tm), iPhone 5 simulator, barcodes and much more

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We just made a major update including a pile of fixes and features. One of the biggest things we are launching right now is an early preview of our new Cloud Storage and Cloud Bind (tm) solutions. Cloud Storage allows you to effectively use our cloud as a big object database, similar to other big data solutions as a sort of key/value pair lookup ...

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Detect EDT Violations

One of the hardest ideas for developers to grasp in Codename One (or GUI programming in general) is the idea of a single event dispatch thread (EDT). The rules of using it and releasing it are sometimes complex and mistakes are very easy to make e.g.: Writing complex/slow code that blocks the EDT thus slowing the entire application Accessing Codena...

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Screen Capture of Our Java One Session

For those of you unable to attend JavaOne this year, you can check out the full video of our session here. You don't actually see me but you can hear me talk and see the slides/demos since the feed from the projector was recorded. Apple wiped my iPad the day before with a stupid iOS 6 beta bug and my version of the demo had some bugs in it, but ...

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Installing On A Windows Phone Device

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We recently added Windows Phone support to Codename One, this allows you to build your applications as a Windows XAP application for installation on a Windows Phone device. Unfortunately of all the platforms we support (including J2ME and iOS) MS is the only company that chose not to allow standard OTA distribution so you will literally need a PC i...

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