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Java 在android中创建类_Java_Android_Android Fragments - Fatal编程技术网

Java 在android中创建类

Java 在android中创建类,java,android,android-fragments,Java,Android,Android Fragments,我有两个碎片 这是片段一 public class fragmentOne extends Fragment { View view; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { // Inflate the layout for this fragment

我有两个碎片
这是片段一

public class fragmentOne extends Fragment {

View view;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState) {
    // Inflate the layout for this fragment
    view = inflater.inflate(R.layout.fragment_process_hide, container, 

    return view;
}

}
这是片段二

public class fragmentTwo extends Fragment {

View view;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState) {
    // Inflate the layout for this fragment
    view = inflater.inflate(R.layout.fragment_process_hide, container, 

    return view;
}
}
public class data {
}
如何从片段二访问片段一中的类数据?
谢谢。

首先,您不能在一个文件中定义两个类。所以您应该这样定义第二个类:

public class fragmentTwo extends Fragment {
    ...
    ...

    public class data {
        ...
        ...
    }
}
fragmentTwo.data data = ...
要从除
fragmentTwo
以外的任何其他类访问类
数据
,类
数据
应为静态:

您可以像这样访问
数据

public class fragmentTwo extends Fragment {
    ...
    ...

    public class data {
        ...
        ...
    }
}
fragmentTwo.data data = ...

希望这有助于

浏览此链接,谢谢,将消息传递给一个片段。它说,你知道我正试图从该类中的函数返回一些内容,所以我应该调用该类,但我不知道如何操作?