绘制图像时需要图像观察者.据我所知,到目前为止,BufferedImage是一个图像观察者.但我的问题是,图像观察者的定义是什么,它做了什么？我很困惑.
我遵循libgdx项目设置,当我将项目导入eclipse时,我遇到了这些错误,并没有任何运气搜索修复.
The type java.lang.Object cannot be resolved. It is indirectly referenced from required .class files MainActivity.java /Spellcast-android/src/en/fred/spellcast line 1 Java Problem
The type java.lang.Object cannot be resolved. It is indirectly referenced from required .class files RobovmLauncher.java /Spellcast-robovm/src/en/fred/spellcast line 1 Java Problem
The project was not built since its build path is incomplete. Cannot find the class file for java.lang.Object. Fix the build path then try building this project Spellcast-robovm Unknown Java Problem
The type com.google.gwt.core.client.EntryPoint cannot be resolved. It is …