Java 将事件从活动中的一个片段发送到另一个片段 我正在尝试将事件从活动中的一个片段发送到另一个片段

Fragment1.java

public class Fragment1 extends Fragment implements View.OnClickListener{

    Button BTN;
    Communicator comm;
    int count=0;


    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState) {
        // TODO Auto-generated method stub

        View view=inflater.inflate(R.layout.fragment1, container,false);
        return super.onCreateView(inflater, container, savedInstanceState);
    }



    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onActivityCreated(savedInstanceState);

        BTN=(Button) getActivity().findViewById(R.id.button_id);
        comm=(Communicator)getActivity();
        BTN.setOnClickListener(this);

    }

    @Override
    public void onClick(View v) {
        // TODO Auto-generated method stub
        count++;
        comm.respond("clicked "+count+" times");

    }

}

public class Fragment2 extends Fragment{

    TextView ET;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState) {
        // TODO Auto-generated method stub

        View view=inflater.inflate(R.layout.fragment2, container,false);
        return super.onCreateView(inflater, container, savedInstanceState);
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onActivityCreated(savedInstanceState);
        ET=(TextView) getActivity().findViewById(R.id.textView_id);
    }

    public void ChangeText(String data)
    {
        ET.setText(data);
    }


}

public class MainActivity extends FragmentActivity implements Communicator{

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }

    @Override
    public void respond(String data) {
        // TODO Auto-generated method stub

        FragmentManager manager=getSupportFragmentManager();
        Fragment2 f2=(Fragment2) manager.findFragmentById(R.id.fragment2);
        f2.ChangeText(data);

    }


}

public interface Communicator {

    public void respond(String data);

}

Fragment2.java

public class Fragment1 extends Fragment implements View.OnClickListener{

    Button BTN;
    Communicator comm;
    int count=0;


    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState) {
        // TODO Auto-generated method stub

        View view=inflater.inflate(R.layout.fragment1, container,false);
        return super.onCreateView(inflater, container, savedInstanceState);
    }



    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onActivityCreated(savedInstanceState);

        BTN=(Button) getActivity().findViewById(R.id.button_id);
        comm=(Communicator)getActivity();
        BTN.setOnClickListener(this);

    }

    @Override
    public void onClick(View v) {
        // TODO Auto-generated method stub
        count++;
        comm.respond("clicked "+count+" times");

    }

}

public class Fragment2 extends Fragment{

    TextView ET;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState) {
        // TODO Auto-generated method stub

        View view=inflater.inflate(R.layout.fragment2, container,false);
        return super.onCreateView(inflater, container, savedInstanceState);
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onActivityCreated(savedInstanceState);
        ET=(TextView) getActivity().findViewById(R.id.textView_id);
    }

    public void ChangeText(String data)
    {
        ET.setText(data);
    }


}

public class MainActivity extends FragmentActivity implements Communicator{

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }

    @Override
    public void respond(String data) {
        // TODO Auto-generated method stub

        FragmentManager manager=getSupportFragmentManager();
        Fragment2 f2=(Fragment2) manager.findFragmentById(R.id.fragment2);
        f2.ChangeText(data);

    }


}

public interface Communicator {

    public void respond(String data);

}

MainActivity.java

public class Fragment1 extends Fragment implements View.OnClickListener{

    Button BTN;
    Communicator comm;
    int count=0;


    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState) {
        // TODO Auto-generated method stub

        View view=inflater.inflate(R.layout.fragment1, container,false);
        return super.onCreateView(inflater, container, savedInstanceState);
    }



    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onActivityCreated(savedInstanceState);

        BTN=(Button) getActivity().findViewById(R.id.button_id);
        comm=(Communicator)getActivity();
        BTN.setOnClickListener(this);

    }

    @Override
    public void onClick(View v) {
        // TODO Auto-generated method stub
        count++;
        comm.respond("clicked "+count+" times");

    }

}

public class Fragment2 extends Fragment{

    TextView ET;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState) {
        // TODO Auto-generated method stub

        View view=inflater.inflate(R.layout.fragment2, container,false);
        return super.onCreateView(inflater, container, savedInstanceState);
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onActivityCreated(savedInstanceState);
        ET=(TextView) getActivity().findViewById(R.id.textView_id);
    }

    public void ChangeText(String data)
    {
        ET.setText(data);
    }


}

public class MainActivity extends FragmentActivity implements Communicator{

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }

    @Override
    public void respond(String data) {
        // TODO Auto-generated method stub

        FragmentManager manager=getSupportFragmentManager();
        Fragment2 f2=(Fragment2) manager.findFragmentById(R.id.fragment2);
        f2.ChangeText(data);

    }


}

public interface Communicator {

    public void respond(String data);

}

Communicator.java

public class Fragment1 extends Fragment implements View.OnClickListener{

    Button BTN;
    Communicator comm;
    int count=0;


    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState) {
        // TODO Auto-generated method stub

        View view=inflater.inflate(R.layout.fragment1, container,false);
        return super.onCreateView(inflater, container, savedInstanceState);
    }



    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onActivityCreated(savedInstanceState);

        BTN=(Button) getActivity().findViewById(R.id.button_id);
        comm=(Communicator)getActivity();
        BTN.setOnClickListener(this);

    }

    @Override
    public void onClick(View v) {
        // TODO Auto-generated method stub
        count++;
        comm.respond("clicked "+count+" times");

    }

}

public class Fragment2 extends Fragment{

    TextView ET;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState) {
        // TODO Auto-generated method stub

        View view=inflater.inflate(R.layout.fragment2, container,false);
        return super.onCreateView(inflater, container, savedInstanceState);
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onActivityCreated(savedInstanceState);
        ET=(TextView) getActivity().findViewById(R.id.textView_id);
    }

    public void ChangeText(String data)
    {
        ET.setText(data);
    }


}

public class MainActivity extends FragmentActivity implements Communicator{

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }

    @Override
    public void respond(String data) {
        // TODO Auto-generated method stub

        FragmentManager manager=getSupportFragmentManager();
        Fragment2 f2=(Fragment2) manager.findFragmentById(R.id.fragment2);
        f2.ChangeText(data);

    }


}

public interface Communicator {

    public void respond(String data);

}

日志：：

注意：：我使用的是较低版本的android，因此我在片段1中的所有位置都使用了支持片段

 View view=inflater.inflate(R.layout.fragment1, container,false);
 return view;

然后

---

你能把你的xml布局也张贴在你有这些片段的地方吗