[英]Android.Graphics.Pdf.PdfRenderer in Xamarin Android
Why can I not find the PdfRenderer
class in the Android.Graphics.Pdf
namespace in Xamarin? 为什么在Xamarin的Android.Graphics.Pdf
命名空间中找不到PdfRenderer
类?
It is there in the Documentation: 它在文档中:
https://developer.xamarin.com/api/type/Android.Graphics.Pdf.PdfRenderer/ https://developer.xamarin.com/api/type/Android.Graphics.Pdf.PdfRenderer/
using Android.Graphics.Pdf;
private PdfRenderer mPdfRenderer;
Error CS0246: The type or namespace name `PdfRenderer' could not be found. 错误CS0246:找不到类型或名称空间名称“ PdfRenderer”。 Are you missing an assembly reference? 您是否缺少装配参考? (CS0246) (TestAPDF) (CS0246)(TestAPDF)
Thanks. 谢谢。
The PdfRenderer
class was added in Android Api Level 21 (Lollipop). PdfRenderer
类是在Android Api Level 21(Lollipop)中添加的。 Which version of Android are you targeting in your project? 您要在项目中定位哪个版本的Android? You need to set Target Framework to Api Level 21 for the class to be available. 您需要将Target Framework设置为Api Level 21,该类才可用。
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