我有两个片段。public class ListNav extends Fragment
public class SwipeNav extends Fragment 我用'ListNav‘类制作了列表视图。当我点击字符串数组的任何一项时,我想用'setOnItemClickListener‘将片段转换为SwipeNav片段。当我使用下面的代码时,我得到了结果。,它会打开新的片段' SwipeNav’,它
我希望从MainActivity中更改片段的一个元素:@Override
protectedlist.setOnItemClickListener(new Adapter.OnItemClickListener() {//this can't work because list isn't in我需要操作'lis't from MainActivity,但我不能,因为元素&