使用核心图时应用程序崩溃

Question

Unknown class CPTGraphHostingView in Interface Builder file.
2012-01-09 16:09:34.242 ChartArea[2595:207] -[UIView setHostedGraph:]: unrecognized selector sent to instance 0x4c064f0
2012-01-09 16:09:34.245 ChartArea[2595:207] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[UIView setHostedGraph:]: unrecognized selector sent to instance 0x4c064f0'

这是我今晚得到的错误.我正在设置CPTGraphHostingView的类名到我的uiview在interfacebuilder中.

Answer 1

我有同样的问题,这对我有用:

从Xcode的导航器面板中选择项目,然后突出显示Build Settings选项卡.过滤设置或从此列表中找到"其他链接器标志",然后将-ObjC -all_load添加到这些设置

(从这里:http://www.johnwordsworth.com/2011/10/adding-charts-to-your-iphone-ipad-app-using-core-plot/)