1.ArryAdapter:
arry_adapter的layout文件：
1 <?xml version="1.0" encoding="utf-8"?> 2 3 4 <TextView xmlns:android="http://schemas.android.com/apk/res/android" 5 android:layout_width="match_parent" 6 android:layout_height="wrap_content" 7 android:textSize="20sp" 8 android:paddingTop="10dp" 9 android:paddingBottom="10dp"/>
activity_test6的layout文件：
1 <?xml version="1.0" encoding="utf-8"?> 2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 3 xmlns:tools="http://schemas.android.com/tools" 4 android:layout_width="match_parent" 5 android:layout_height="match_parent" 6 android:paddingBottom="@dimen/activity_vertical_margin" 7 android:paddingLeft="@dimen/activity_horizontal_margin" 8 android:paddingRight="@dimen/activity_horizontal_margin" 9 android:paddingTop="@dimen/activity_vertical_margin" 10 tools:context="com.hanqi.testapp2.TestActivity6"> 11 12 <ListView 13 android:layout_width="match_parent" 14 android:layout_height="match_parent" 15 android:id="@+id/lv_1"></ListView> 16 </LinearLayout>
java类：
1 package com.hanqi.testapp2;
2
3 import android.os.Bundle;
4 import android.support.v7.app.AppCompatActivity;
5 import android.widget.ArrayAdapter;
6 import android.widget.ListView;
7
8 public class TestActivity6 extends AppCompatActivity {
9
10 ListView lv_1;
11 @Override
12 protected void onCreate(Bundle savedInstanceState) {
13 super.onCreate(savedInstanceState);
14 setContentView(R.layout.activity_test6);
15 ListView lv_1 = (ListView)findViewById(R.id.lv_1);
16
17 //1.数据集合 layout文件
18 String[] strings = {"A1","A2","A3","A4","A5","A6","A7","A8","A9",
19 "A1","A2","A3","A4","A5","A6","A7","A8","A9"};
20 //2.创建Adpter
21 ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>(this,R.layout.arry_adapter,strings);
22 //3.绑定到ListView
23 lv_1.setAdapter(arrayAdapter);
24 }
25 }
效果图：
2.SimpleAdapter：
simple_adapter的layout文件：
1 <?xml version="1.0" encoding="utf-8"?> 2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 3 android:orientation="horizontal" android:layout_width="match_parent" 4 android:layout_height="match_parent"> 5 6 <ImageView 7 android:layout_width="70dp" 8 android:layout_height="70dp" 9 android:src="@drawable/f1" 10 android:id="@+id/iv_2"/> 11 <LinearLayout 12 android:layout_width="0dp" 13 android:layout_height="match_parent" 14 android:orientation="vertical" 15 android:layout_weight="1" 16 android:layout_marginLeft="20dp" 17 android:gravity="center_vertical"> 18 <TextView 19 android:layout_width="match_parent" 20 android:layout_height="wrap_content" 21 android:text="名字=aaa" 22 android:id="@+id/tv_7"/> 23 <TextView 24 android:layout_width="match_parent" 25 android:layout_height="wrap_content" 26 android:text="内容=aaa" 27 android:id="@+id/tv_8"/> 28 </LinearLayout> 29 </LinearLayout>
activity_test7的layout文件：
1 <?xml version="1.0" encoding="utf-8"?> 2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 3 xmlns:tools="http://schemas.android.com/tools" 4 android:layout_width="match_parent" 5 android:layout_height="match_parent" 6 android:paddingBottom="@dimen/activity_vertical_margin" 7 android:paddingLeft="@dimen/activity_horizontal_margin" 8 android:paddingRight="@dimen/activity_horizontal_margin" 9 android:paddingTop="@dimen/activity_vertical_margin" 10 tools:context="com.hanqi.testapp2.TestActivity7"> 11 12 <ListView 13 android:layout_width="match_parent" 14 android:layout_height="match_parent" 15 android:id="@+id/lv_2"></ListView> 16 </LinearLayout>
java类：
1 package com.hanqi.testapp2;
2
3 import android.os.Bundle;
4 import android.support.v7.app.AppCompatActivity;
5 import android.widget.ListView;
6 import android.widget.SimpleAdapter;
7
8 import java.util.ArrayList;
9 import java.util.HashMap;
10 import java.util.List;
11 import java.util.Map;
12
13 public class TestActivity7 extends AppCompatActivity {
14
15 ListView lv_2;
16 @Override
17 protected void onCreate(Bundle savedInstanceState) {
18 super.onCreate(savedInstanceState);
19 setContentView(R.layout.activity_test7);
20 lv_2 = (ListView)findViewById(R.id.lv_2);
21 //1.数据集合 layout
22 List<Map<String,Object>> lm = new ArrayList<Map<String,Object>>();
23 Map<String,Object> map = new HashMap<String,Object>();
24 map.put("img",R.drawable.f1);
25 map.put("name","美食1");
26 map.put("content","美食1的介绍");
27 lm.add(map);
28
29 map = new HashMap<String,Object>();
30 map.put("img",R.drawable.f2);
31 map.put("name","美食2");
32 map.put("content","美食2的介绍");
33 lm.add(map);
34
35 map = new HashMap<String,Object>();
36 map.put("img",R.drawable.f3);
37 map.put("name","美食3");
38 map.put("content","美食3的介绍");
39 lm.add(map);
40
41 map = new HashMap<String,Object>();
42 map.put("img",R.drawable.f4);
43 map.put("name","美食4");
44 map.put("content","美食4的介绍");
45 lm.add(map);
46
47 map = new HashMap<String,Object>();
48 map.put("img",R.drawable.f5);
49 map.put("name","美食5");
50 map.put("content","美食5的介绍");
51 lm.add(map);
52
53 map = new HashMap<String,Object>();
54 map.put("img",R.drawable.f6);
55 map.put("name","美食6");
56 map.put("content","美食6的介绍");
57 lm.add(map);
58
59 map = new HashMap<String,Object>();
60 map.put("img",R.drawable.f8);
61 map.put("name","美食8");
62 map.put("content","美食8的介绍");
63 lm.add(map);
64
65 map = new HashMap<String,Object>();
66 map.put("img",R.drawable.f9);
67 map.put("name","美食9");
68 map.put("content","美食9的介绍");
69 lm.add(map);
70
71 map = new HashMap<String,Object>();
72 map.put("img",R.drawable.f10);
73 map.put("name","美食10");
74 map.put("content","美食10的介绍");
75 lm.add(map);
76 //数组 key的数组
77 String[]strings = {"img","name","content"};
78 int[]ids = {R.id.iv_2,R.id.tv_7,R.id.tv_8};
79 //2.创建Adapter
80 SimpleAdapter simpleAdapter = new SimpleAdapter(this,
81 lm,R.layout.simple_adapter,strings,ids);
82 lv_2.setAdapter(simpleAdapter);
83 }
84 }
效果图：
时间： 2024-11-10 00:57:15