The recommended approach is to use static inner classes, if you must use an inner class at all.

推荐的做法是如果非要使用内部类的话，请使用静态内部类。

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The inner class code calls these static methods whenever it needs to access the mValue field or invoke the doStuff method in the outer class.

内部类会在外部类中任何需要访问mValue字段或调用doStuff方法的地方调用这些静态方法。

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The inner class code calls these static methods whenever it needs to access the mValue field or invoke the doStuff method in the outer class.

内部类会在外部类中任何需要访问mValue字段或调用doStuff方法的地方调用这些静态方法。

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