从UIWebview应用程序崩溃创建pdf时

Question

我想将Caused by: org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream$ObjectCheckException: Not detached model found! A problem occurred while checking object with type: com.test.web.components.TreeItemProvider$TreeItemModel Field hierarchy is: [class=com.test.web.admin.pages.HomePage, path=0] private java.lang.Object org.apache.wicket.MarkupContainer.children [class=[Ljava.lang.Object;] java.util.List com.test.web.components.WhistlePanel.selectionList[2] [class=com.test.web.NavPanel, path=0:navPanel] private java.lang.Object org.apache.wicket.MarkupContainer.children [class=org.apache.wicket.extensions.markup.html.repeater.tree.NestedTree, path=0:navPanel:tree] private java.lang.Object org.apache.wicket.MarkupContainer.children [class=org.apache.wicket.extensions.markup.html.repeater.tree.nested.Subtree, path=0:navPanel:tree:subtree] private java.lang.Object org.apache.wicket.MarkupContainer.children [class=org.apache.wicket.markup.repeater.RefreshingView, path=0:navPanel:tree:subtree:branches] private java.lang.Object org.apache.wicket.MarkupContainer.children [class=[Ljava.lang.Object;] private java.lang.Object org.apache.wicket.MarkupContainer.children[0] [class=org.apache.wicket.extensions.markup.html.repeater.tree.nested.BranchItem, path=0:navPanel:tree:subtree:branches:1] java.lang.Object org.apache.wicket.Component.data [class=com.test.web.components.TreeItemProvider$TreeItemModel] <----- field that is causing the problem 转换为pdf以通过邮件发送，当我使用下面的代码应用程序在此行UIWebview (height = 4224,width = 568)中崩溃时。 请给我一些好的建议。 谢谢。

([self.reportWebView.layer renderInContext:UIGraphicsGetCurrentContext()])

Answer 1

您正以错误的方式呈现上下文。

而不是

self.reportWebView.layer.renderInContext(UIGraphicsGetCurrentContext())

试试这个

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