IOS application development-free open-source 2D drawing plug-in recommendation

Charts show data changes more intuitively than numbers, so many software uses charts to render data, including IOS iPhone and iPad apps. The most common charts are 2D charts, which generally include bar charts, line charts, area charts, and pie charts. This article recommends several free open-source chart and graphic rendering plug-ins for iOS application development that are powerful and beautiful.

Core plot

Core plot is undoubtedly an open-source chart graphics plug-in that must be recommended for iOS development. It supports iPhone, iPad, and Mac OS. By integrating the chart rendering plug-in into your application software, you can draw a variety of beautiful images, such as line chart, pie chart, and column chart. You can also use it to draw more complex candle charts for the stock market. It is very powerful and can meet most of the requirements for Drawing Graphics for Mac OS X and iOS application development. There are also a lot of tutorials for using core plot, and its own materials are also rich. developers can easily integrate it into their own development projects.

Core plot demo address

IOS plot

If the core plot cannot meet your needs, or you want to try some different free open-source IOS graphics rendering plug-ins, you can try the IOS plot open-source drawing plug-in. IOS plot is developed based on objective-C and developed by a developer named Hon Cheng. It is a lightweight graph rendering plug-in developed by IOS. IOS plot can also draw a variety of charts, such as line chart and pie chart.

Javascript-based chart and drawing plug-in

It is also a good choice to try to draw various charts using JavaScript. There will be more plug-ins for drawing charts and charts free of charge based on JavaScript. For example, this graph library named graphael is quite good. Of course, there are also the following JavaScript chart and graphics libraries that can draw beautiful line charts and pie charts.

JS charts

Plotkit

Source: Http://www.phonebaike.com/apple/20120809_270.html