Android，不能使静态 getter setter 属性工作吗？

Question

我正在尝试这个......

public class Info {
    private static Info ourInstance = new Info();
    public static Info getInstance() { return ourInstance; }

    private static int currentIndex;

    public static void setCurrentIndex(int i) {
        Log.d("DEV", "setter!");
        currentIndex = i;
        // do other work here
    }

    public static int getCurrentIndex() {
        Log.d("DEV", "getter!");
        return currentIndex;
    }

    private Info() {
        Log.d("DEV", "class initialized no problem...");
        currentIndex = 42; // just doesn't work, only sets the field
    }

}

在任何其他类...

Info.currentIndex = 666; // just doesn't work

它只是不起作用 - 可能是什么问题？什么都试过了。

Answer 1

如果你最终要这样做，为什么要定义 setter/getter？

Info.currentIndex = 666;

如果是这样，则将 currentIndex 可见性更改为 public...

或者更好的是，与代码一致并执行

Info.setCurrentIndex(666);