Tweaks

Facebook has today open-sourced its rapid prototyping tool ‘Tweaks’, a framework that helps application developers quickly iterate on their projects and test out different possibilities for their iOS apps.

The best way to improve an app is to use it every day. Even when ideas can be tested out in advance — for example, with Origami — it can still take some time with the app to see how it works in practice.

Occasionally, it’s perfect the first try. Sometimes, the idea doesn’t work at all. But often, it just needs a few minor adjustments. That last case is where Tweaks fits in. Tweaks makes those small adjustments easy: with no code changes and no computer, you can try out different options and decide which works best.

Tweaks makes it really simple for developers to adjust parameters and properties in their application and then test them out in realtime. This is particularly useful for rapid user interface development, which often consists of merely tweaking parameters (like colors or durations) than any involved work.  Normally, developers have to recompile application binaries in order to change animation curves, durations or other parameters. This is relatively slow and inefficient.

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