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我需要为第一个ladrilloOro设置可见性错误。我怎样才能做到这一点?下面是我想要的片段:如何在LIBGDX Arraylist中将可见性设置为false?
private List<LadrilloOROEntity> LadrilloOROlist = new ArrayList<LadrilloOROEntity>();
LadrilloOROlist.set(0,LadrilloOROEntity).setVisible(false); // ERROR HERE
for (LadrilloOROEntity ladriORO : LadrilloOROlist){
stage.addActor(ladriORO);
}
你会得到哪个错误?它是否为NullPointerException? –