java代码: MyFragment.java

1 package com.example.droid.util; 2  3 import com.example.droid.R; 4 import android.app.Activity; 5 import android.support.v4.app.Fragment; 6 import android.os.Bundle; 7 import android.view.LayoutInflater; 8 import android.view.View; 9 import android.view.View.OnClickListener;10 import android.view.ViewGroup;11 import android.widget.Button;12 import android.widget.EditText;13 14 public class MyFragment extends Fragment {15     private View view;16     private EditText editText;17     private Button btn_one;18     private Button btn_two;19     private MyFragmentInterface activity;20     private int id;21     private OnClickListener clickListener = new OnClickListener() {22         @Override23         public void onClick(View view) {24             String text = editText.getText().toString();25             switch (view.getId()) {26                 case R.id.btn_one:27                     if (activity != null) {28                         activity.setText(text);29                     }30                     break;31                 case R.id.btn_two:32                     if (activity != null) {33                         activity.sendMessage(id, text);34                     }35                     break;36                 default:37                     break;38             }39         }40     };41     42     public void setCallback (MyFragmentInterface activity) {43         this.activity = activity;44     }45     public void setId (int id) {46         this.id = id;47     }48     public void setText (String text) {49         if (editText != null) {50             editText.setText(text);51         }52     }53     54     @Override55     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {56         super.onCreateView(inflater, container, savedInstanceState);57         // 通过inflater来创建视图, 并返回该视图(View)58         view = inflater.inflate(R.layout.fragment_one, null);59 60         editText = (EditText) view.findViewById(R.id.editText);61         btn_one = (Button) view.findViewById(R.id.btn_one);62         btn_two = (Button) view.findViewById(R.id.btn_two);63         64         btn_one.setOnClickListener(clickListener);65         btn_two.setOnClickListener(clickListener);66         return view;67     }68 69     // Interface70     public static interface MyFragmentInterface {71         void setText (String text);72         void sendMessage (int id, String text);73     }74 }

 

XML代码: fragment_one.xml

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