Android - MyFragment.java

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         @Override
23         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     @Override
55     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     // Interface
70     public static interface MyFragmentInterface {
71         void setText (String text);
72         void sendMessage (int id, String text);
73     }
74 }

 

XML代码: fragment_one.xml

 1 <?xml version="1.0" encoding="utf-8"?>
 2 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3     android:layout_width="match_parent"
 4     android:layout_height="match_parent" >
 5     <EditText android:id="@+id/editText"
 6         android:layout_width="match_parent"
 7         android:layout_height="wrap_content"/>
 8     <Button android:id="@+id/btn_one"
 9         android:layout_width="wrap_content"
10         android:layout_height="wrap_content"
11         android:layout_below="@id/editText"
12         android:text="ButtonOne"/>
13     <Button android:id="@+id/btn_two"
14         android:layout_width="wrap_content"
15         android:layout_height="wrap_content"
16         android:layout_below="@id/editText"
17         android:layout_toRightOf="@id/btn_one"
18         android:text="ButtonTwo"/>
19 </RelativeLayout>

 

posted @ 2016-03-24 18:08  7hens  阅读(336)  评论(0)  编辑  收藏  举报