Facebook releases ‘Tweaks’ tool to help devs iterate on their apps faster

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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Cydia utility adds push notifications to Sparrow on Jailbroken iPhones

Sparrow [iTunes $2.99] is proving to be a very popular email client for the iPhone save for one very important piece. Apple rescinded the app’s push notification ability before its public release, meaning it is effectively neutered for real time messaging. That is a bummer for the otherwise impressive mail client. Not all hope is lost, however.

If Sparrow lovers were looking for a reason to jailbreak, you now have one. IpuIpu has your Sparrow Push notifications here:

iPhone Jailbreak tweak for the popular iPhone app Sparrow, which enables eMail push notification when the app is in the background making Sparrow a real replacement for the stock Mail application.

It also makes an effort to not drain your battery:

Sparrow Push uses a very efficient implementation using the same APIs that VoIP apps like Skype use. Since there is an additional, permanent internet connection and Sparrow becomes active everytime there is activity in the email account, there will be a higher battery usage, but it should be comparable to what Apple Mail’s exchange push implementation is.

Update: The tweak’s developer noted in the comments that Sparrow Push is $3.99 actually free and will be live on the Cydia App Store soon.

Update 2: It is live on Big Boss!

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