This app is just a great idea, and a very nice implementation allowing you to view the iOS documentation on your iOS device. Especially on the iPad.
The app is from Ole Zorn and is very easy to set up. Build it in Xcode to your device, and all the downloading of either iOS SDK or Mac OS X documentation is done right in the app.
Since it’s open source if you’re looking to create a similar app for viewing other documentation you can see how it’s done.
The app makes great use of iOS UI components on the iPad and even allows for bookmarking and opening in the browser if needed. Definitely a step above how Apple’s documentation reads online on the iPad, and you don’t have to connect to the internet after you’ve downloaded the doumentation.
Welcome to the site, another week has gone by, and this week Apple released yet another update to the iOS SDK beta.
This week’s resources include a UIView transitions library enabling some very slick transitions, a brilliant demonstration of many different core animation techniques, the conversion of some Cocos2D iPhone tutorials to the cross-platform Cocos2D-X and more.
Here are the resources listed in order of popularity:
I have received inquiries quit a few times from visiting developers asking about available open source libraries for creating charts on iOS devices. It is definitely understandable as many of the commercial charting libraries come with a very hefty up front cost.
While there are quite a few open source libraries that have charting and plotting features that run on iOS here are a few that are designed specifically for this purpose allowing you to draw many different kinds of graphs.
Core-Plot – This is definitely the top recommendation for open source charting libraries on iOS. You can create many different kinds of charts – line charts, pie charts, bar graphs and even for stock charts like candlestick charts, and bar charts using the built in chart types.
Here’s a screenshot showing an example of a couple of the built in chart types:
You can see examples of some of the chart types supported here.
iOS Plot - While there probably are too many situations where Core Plot won’t meet your needs – if you want something different, but want to stick with an Objective-C library this much smaller project from Hon Cheng provides support for line charts, and some very slick looking pie graphs like the one in this screenshot:
You will be able to create nearly any chart using the libraries mentioned above, but if not you might want to mention your chart ideas in the Core Plot discussion group. The core plot community has done a great job of providing updates.
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