由于是在网上转载的一篇文章,在这里就不多说废话了,首先看一下最终的效果图:
然后是实现该ListView布局的主要代码:
1、程序主界面 SeparateListView.java
[java]
1. package whu.iss.wuxianglong;
2.
3. import java.util.ArrayList;
4. import java.util.List;
5.
6. import android.app.Activity;
7. import android.content.Context;
8. import android.os.Bundle;
9. import android.view.LayoutInflater;
10. import android.view.View;
11. import android.view.ViewGroup;
12. import android.widget.ArrayAdapter;
13. import android.widget.ListView;
14. import android.widget.TextView;
15.
16. public class SeparateListView extends Activity {
17.ListView listView;
18.MyAdapter myAdapter;
19.public List<String> listTag = new ArrayList<String>();
20.
21./** Called when the activity is first created. */
22.@Override
23.public void onCreate(Bundle savedInstanceState) {
24.super.onCreate(savedInstanceState);
25.setContentView(R.layout.main);
26.
27.listView = (ListView) findViewById(R.id.list);
28.myAdapter = new MyAdapter(this,
29.android.R.layout.simple_expandable_list_item_1, getData());
30.listView.setAdapter(myAdapter);
31.}
32.private List<String> getData() {
33.List<String> data = new ArrayList<String>();
34.int i = 0;
35.
36.data.add("A");
37.listTag.add("A");
38.data.add("aa试数据" + (i++));
39.data.add("a试数据" + (i++));
40.data.add("aa试数据" + (i++));
41.listTag.add("B");
42.data.add("B");
43.data.add("bb试数据" + (i++));
44.data.add("b试数据" + (i++));
45.data.add("b试数据" + (i++));
46.data.add("b试数据" + (i++));
47.listTag.add("C");
48.data.add("C");
49.data.add("c测试数据" + (i++));
50.data.add("c测试数据" + (i++));
51.listTag.add("D");
52.data.add("D");
53.data.add("d测试数据" + (i++));
54.data.add("d测试数据" + (i++));
55.data.add("d测试数据" + (i++));
56.listTag.add("E");
57.data.add("E");
58.data.add("e测试数据" + (i++));
59.data.add("e测试数据" + (i++));
60.data.add("e测试数据" + (i++));
61.listTag.add("F");
62.data.add("F" );
63.data.add("f测试数据" + (i++));
64.return data;
65.}
66.
67.
68.class MyAdapter extends ArrayAdapter<String> {
69.
70.public MyAdapter(Context context,int textViewResourceId,
71.List<String> objects) {
72.super(context,textViewResourceId, objects);
73.
74.}
75.
76.@Override
77.public boolean areAllItemsEnabled() {
78.return false;
79.}
80.
81.@Override
82.public boolean isEnabled(int position) {
83.// 如果-开头,则该项不可选
84.return !listTag.contains(getItem(position));
85.}
86.
87.@Override
88.public View getView(int position, View convertView, ViewGroup parent) {
89.View view = convertView;
90.//根据标签类型加载不通的布局模板
91.if(listTag.contains(getItem(position))){
92.//如果是标签项
93.view = LayoutInflater.from(getContext()).inflate(R.layout.group_list_item_tag, null);
94.}else{
95.//否则就是数据项
96.view = LayoutInflater.from(getContext()).inflate(R.layout.group_list_item, null);
97.}
98.//显示名称
99.TextView textView = (TextView) view.findViewById(R.id.group_list_item_text);
100.textView.setText(getItem(position));
101.//返回重写的view
102.return view;
103.}
104.
105.}
106. }
2、程序主界面布局文件main.xml
[html]
1. <?xml version="1.0" encoding="utf-8"?>
2. <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
3.android:orientation="vertical"
4.android:layout_width="fill_parent"
5.android:layout_height="fill_parent"
6.>
7.<ListView
8.android:id="@+id/list"
9.android:layout_width="fill_parent"
10.android:layout_height="wrap_content">
11.</ListView>
12. </LinearLayout>
3、ListView中数据部分样式布局文件group_list_item.xml
[html]
1. <?xml version="1.0" encoding="utf-8"?>
2. <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
3.android:orientation="horizontal"
4.android:layout_width="fill_parent"
5.android:layout_height="wrap_content"
6.android:padding="5dip">
7.<ImageView
8.android:src="@drawable/icon"
9.android:layout_width="50px"
10.android:layout_height="50px">
11.</ImageView>
12.<TextView
13.android:id="@+id/group_list_item_text"
14.android:layout_width="wrap_content"
15.android:layout_height="fill_parent"
16.android:paddingLeft="5dip"
17.android:gravity="center_vertical">
18.</TextView>
19. </LinearLayout>
4、ListView中分组标志行的样式布局文件group_list_item_tag.xml
[html]
1. <?xml version="1.0" encoding="utf-8"?>
2. <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
3.android:layout_width="fill_parent"
4.android:layout_height="wrap_content"
5.android:background="#555555"
6.android:paddingLeft="10dip">
7.<TextView
8.android:id="@+id/group_list_item_text"
9.android:layout_width="wrap_content"
10.android:layout_height="20dip"
11.android:textColor="#ffffff"
12.android:gravity="center_vertical">
13.</TextView>
14. </LinearLayout>
摘自 与时俱进