我正在尝试使用新的 GWT 2.0 UIBinder 功能,并且我有一个如下所示的 ui XML:
<ui:UiBinder xmlns:ui="urn:ui:com.google.gwt.uibinder" xmlns:g="urn:import:com.google.gwt.user.client.ui" xmlns:my='urn:import:com.mystuff.mypackage'>
<g:VerticalPanel>
<!-- other stuff -->
<my:FileUploadPanel.ValidatingFileUpload styleName="field" ui:field="fileUpload" />
</g:VerticalPanel>
ValidatingFileUpload 是包含在 FileUploadPanel 中的非静态内部类,它扩展了 FileUpload GWT 类。它有一个显式的零参数构造函数,它简单地调用super()
. 但是,当 GWT 启动时,我收到此错误:
00:00:18.359 [ERROR] Rebind result 'com.mystuff.mypackage.FileUploadPanel.ValidatingFileUpload' has no default (zero argument) constructors.
java.lang.NoSuchMethodException: com.mystuff.mypackage.FileUploadPanel$ValidatingFileUpload.<init>()
知道这里可能出了什么问题吗?