1 package com.example.adaptertest.doubleadapter;
2
3 import android.app.Activity;
4 import android.os.Bundle;
5 import android.widget.ExpandableListView;
6
7 import com.example.adaptertest.R;
8
9 public class ExpandListViewActivity extends Activity {
10 private String[] groupStrings = { "家人", "同事", "朋友" };
11 private String[][] personStrings = { { "爸", "妈" }, { "同事1", "同事2" },
12 { "朋友1", "朋友2" } };
13
14 @Override
15 protected void onCreate(Bundle savedInstanceState) {
16 // TODO Auto-generated method stub
17 super.onCreate(savedInstanceState);
18 setContentView(R.layout.activity_expandlistview);
19 ExpandableListView expandableListView = (ExpandableListView) findViewById(R.id.expandlistview_list);
20 expandableListView.setAdapter(new BaseExpandListViewAdapter(
21 ExpandListViewActivity.this, groupStrings, personStrings));
22
23 }
24
25 }
1 package com.example.adaptertest.doubleadapter;
2
3 import android.content.Context;
4 import android.view.LayoutInflater;
5 import android.view.View;
6 import android.view.View.OnClickListener;
7 import android.view.ViewGroup;
8 import android.widget.BaseExpandableListAdapter;
9 import android.widget.TextView;
10 import android.widget.Toast;
11
12 import com.example.adaptertest.R;
13
14 public class BaseExpandListViewAdapter extends BaseExpandableListAdapter {
15 private LayoutInflater inflater;
16 private String[] groupStrings;
17 private String[][] personStrings;
18 private Context context;
19
20 public BaseExpandListViewAdapter(Context context, String[] groupStrings,
21 String[][] personStrings) {
22 this.groupStrings = groupStrings;
23 this.context = context;
24 this.personStrings = personStrings;
25 inflater = LayoutInflater.from(context);
26 }
27
28 @Override
29 public int getGroupCount() {
30 // TODO Auto-generated method stub
31 return groupStrings.length;
32 }
33
34 @Override
35 public int getChildrenCount(int groupPosition) {
36 // TODO Auto-generated method stub
37 return personStrings[groupPosition].length;
38 }
39
40 @Override
41 public Object getGroup(int groupPosition) {
42 // TODO Auto-generated method stub
43 return groupStrings[groupPosition];
44 }
45
46 @Override
47 public Object getChild(int groupPosition, int childPosition) {
48 // TODO Auto-generated method stub
49 return personStrings[groupPosition][childPosition];
50 }
51
52 @Override
53 public long getGroupId(int groupPosition) {
54 // TODO Auto-generated method stub
55 return groupPosition;
56 }
57
58 @Override
59 public long getChildId(int groupPosition, int childPosition) {
60 // TODO Auto-generated method stub
61 return 0;
62 }
63
64 @Override
65 public boolean hasStableIds() {
66 // TODO Auto-generated method stub
67 return false;
68 }
69
70 @Override
71 public View getGroupView(int groupPosition, boolean isExpanded,
72 View convertView, ViewGroup parent) {
73 // TODO Auto-generated method stub
74 View view = inflater.inflate(R.layout.expandlistview_item, null);
75 TextView textView = (TextView) view.findViewById(R.id.expand_text);
76 textView.setText(groupStrings[groupPosition]);
77 return view;
78 }
79
80 @Override
81 public View getChildView(final int groupPosition, final int childPosition,
82 boolean isLastChild, View convertView, ViewGroup parent) {
83 View view = inflater.inflate(R.layout.expandlistview_childitem, null);
84 view.setOnClickListener(new OnClickListener() {
85
86 @Override
87 public void onClick(View v) {
88 // TODO Auto-generated method stub
89 Toast.makeText(context,
90 personStrings[groupPosition][childPosition],
91 Toast.LENGTH_SHORT).show();
92 }
93 });
94 TextView textView = (TextView) view
95 .findViewById(R.id.expand_child_text);
96 textView.setText(personStrings[groupPosition][childPosition]);
97 return view;
98 }
99
100 @Override
101 public boolean isChildSelectable(int groupPosition, int childPosition) {
102 // TODO Auto-generated method stub
103 return false;
104 }
105
106 }
1 <?xml version="1.0" encoding="utf-8"?>
2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
3 android:layout_width="match_parent"
4 android:layout_height="match_parent"
5 android:orientation="vertical" >
6
7 <ExpandableListView
8 android:id="@+id/expandlistview_list"
9 android:layout_width="fill_parent"
10 android:layout_height="fill_parent">
11 </ExpandableListView>
12
13 </LinearLayout>
1 <?xml version="1.0" encoding="utf-8"?>
2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
3 android:layout_width="match_parent"
4 android:layout_height="match_parent"
5 android:orientation="horizontal" >
6
7 <ImageView
8 android:layout_width="wrap_content"
9 android:layout_height="wrap_content"
10 android:src="@drawable/ic_launcher" />
11
12 <TextView
13 android:id="@+id/expand_text"
14 android:layout_width="wrap_content"
15 android:layout_height="wrap_content"
16 android:layout_weight="1"
17 android:text="测试"
18 android:textSize="30sp" />
19
20 </LinearLayout>
1 <?xml version="1.0" encoding="utf-8"?>
2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
3 android:layout_width="match_parent"
4 android:layout_height="match_parent"
5 android:orientation="horizontal" >
6
7 <ImageView
8 android:layout_width="wrap_content"
9 android:layout_height="wrap_content"
10 android:src="@drawable/ic_launcher"
11 android:layout_marginLeft="40dp"/>
12
13 <TextView
14 android:id="@+id/expand_child_text"
15 android:layout_width="wrap_content"
16 android:layout_height="wrap_content"
17 android:layout_weight="1"
18 android:text="测试"
19 android:textSize="30sp" />
20
21 </LinearLayout>
