java - Gdx.audio错误

Question

因此，我正在libgdx Wiki中进行简单的游戏操作，并且完成了这些操作，但出现了这些错误。

首先是:
dropSound = new Gdx.audio.newSound(Gdx.files.internal("drop.wav"));rainMusic = new Gdx.audio.newMusic(Gdx.files.internal("rain.mp3"));
我在Gdx.audio中收到错误

第二个是

Iterator<Rectangle> iter = raindrops.iterator();

错误在迭代器中

这就是我在控制台中看到的

Exception in thread "LWJGL Application" com.badlogic.gdx.utils.GdxRuntimeException: java.lang.Error: Unresolved compilation problems: 
Gdx.audio cannot be resolved to a type
Gdx.audio cannot be resolved to a type

at com.badlogic.gdx.backends.lwjgl.LwjglApplication$1.run(LwjglApplication.java:120)
Caused by: java.lang.Error: Unresolved compilation problems: 
Gdx.audio cannot be resolved to a type
Gdx.audio cannot be resolved to a type

at com.JohnAilamakis.Drop.Drop.create(Drop.java:55)
at com.badlogic.gdx.backends.lwjgl.LwjglApplication.mainLoop(LwjglApplication.java:136)
at com.badlogic.gdx.backends.lwjgl.LwjglApplication$1.run(LwjglApplication.java:114)

请您告诉我问题出在哪里。

Answer 1

要解决此错误，请在无法解析ApplicationListener的项目中引用gdx.jar。有时Eclipse也是一个问题，删除并重新导入项目可以帮助解决错误。