在Swift的Xcode6beta3中加载带有png图像的UIImages时，如下所示:PipsImg=(UIImage(named:"Die-1"))或PipsImg=[(UIImage(named:"Die-1")),(UIImage(named:"Die-2"))]从存储在Images.xcassets文件夹中的关联图像中，我收到以下致命运行时错误:SimpleAnimation[680:60b]UnsupportedpixelformatinCSISimpleAnimation[680:60b]Unabletocreateunslicedimagefromcsibitmapda