私は libgdx プロジェクトのセットアップに従いました。プロジェクトを Eclipse にインポートしたときに、これらのエラーが発生し、修正を探してもうまくいきませんでした。
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 indirectly referenced from required .class files GwtLauncher.java /Spellcast-html/src/en/fred/spellcast/client line 8 Java Problem
The project was not built since its build path is incomplete. Cannot find the class file for com.google.gwt.core.client.EntryPoint. Fix the build path then try building this project Spellcast-html Unknown 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-android Unknown Java Problem
私が欠けているものを誰かが知っていますか?