Listview

Java类：

 1 package com.example.dbwater.myapplication;
 2 
 3 import android.support.v7.app.AppCompatActivity;
 4 import android.os.Bundle;
 5 import android.view.View;
 6 import android.view.ViewGroup;
 7 import android.widget.BaseAdapter;
 8 import android.widget.ListView;
 9 import android.widget.SimpleAdapter;
10 
11 import java.util.ArrayList;
12 import java.util.HashMap;
13 import java.util.List;
14 import java.util.Map;
15 
16 public class MainActivity extends AppCompatActivity {
17 
18     ListView lv_1;
19 
20     @Override
21     protected void onCreate(Bundle savedInstanceState) {
22         super.onCreate(savedInstanceState);
23         setContentView(R.layout.activity_main);
24         lv_1=(ListView)findViewById(R.id.lv_1);
25         Myadapter myadapter=new Myadapter();
26         lv_1.setAdapter(myadapter);
27 
28     }
29     class Myadapter extends BaseAdapter{
30         @Override
31         public int getCount() {
32             return 2;
33         }
34 
35         @Override
36         public Object getItem(int position) {
37             return position;
38         }
39 
40         @Override
41         public long getItemId(int position) {
42             return position;
43         }
44 
45         @Override
46         public View getView(int position, View convertView, ViewGroup parent) {
47             if (convertView==null)
48             {
49                 convertView=View.inflate(MainActivity.this,R.layout.listviewitem,null);
50             }
51             return convertView;
52         }
53     }
54 
55 }

View Code

Listview主界面layout代码：

 1 <?xml version="1.0" encoding="utf-8"?>
 2 <LinearLayout
 3     xmlns:android="http://schemas.android.com/apk/res/android"
 4     xmlns:tools="http://schemas.android.com/tools"
 5     android:layout_width="match_parent"
 6     android:layout_height="match_parent"
 7     android:background="#ffffff"
 8     android:orientation="vertical"
 9     tools:context="com.example.dbwater.myapplication.MainActivity">
10 
11     <FrameLayout
12         android:layout_width="match_parent"
13         android:layout_height="56dp"
14         android:background="#f81">
15 
16         <ImageButton
17             android:layout_width="wrap_content"
18             android:layout_height="match_parent"
19             android:id="@+id/backMain"
20             android:onClick="finshClick"
21             android:background="@drawable/back"/>
22         <TextView
23             android:layout_width="wrap_content"
24             android:layout_height="match_parent"
25             android:layout_gravity="center"
26             android:gravity="center_vertical"
27             android:text="购物车"/>
28     </FrameLayout>
29     <LinearLayout
30         android:layout_width="match_parent"
31         android:layout_height="0dp"
32         android:layout_weight="0.9">
33         <ListView
34             android:layout_width="match_parent"
35             android:layout_height="match_parent"
36             android:id="@+id/lv_1">
37 
38         </ListView>
39     </LinearLayout>
40     <LinearLayout
41         android:layout_width="match_parent"
42         android:layout_height="0dp"
43         android:layout_weight="0.1"
44         android:orientation="horizontal">
45         <RadioButton
46             android:layout_width="wrap_content"
47             android:layout_height="wrap_content"
48             android:layout_gravity="center_vertical"/>
49         <TextView
50             android:layout_width="0dp"
51             android:layout_height="match_parent"
52             android:layout_weight="1"
53             android:text="全选"
54             android:gravity="center_vertical"
55             android:textSize="20dp"/>
56         <TextView
57             android:layout_width="0dp"
58             android:layout_height="match_parent"
59             android:layout_weight="1"
60             android:gravity="center_vertical"
61             android:text="合计:0.00"
62             android:textSize="20dp"/>
63         <Button
64             android:layout_width="0dp"
65             android:layout_height="match_parent"
66             android:layout_weight="1"
67             android:background="#f81"
68             android:text="结算"
69             android:textSize="20dp"
70             android:textColor="#fff"
71             android:gravity="center_horizontal|center_vertical" />
72     </LinearLayout>
73 </LinearLayout>

View Code

Listview列表项layout代码：

 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     <RadioButton
 7         android:layout_width="wrap_content"
 8         android:layout_height="wrap_content"
 9         android:layout_gravity="center_vertical"
10         android:id="@+id/rb_1"/>
11     <ImageView
12         android:layout_width="0dp"
13         android:layout_weight="1"
14         android:layout_height="100dp"
15         android:background="@drawable/i2"
16         android:layout_gravity="center_vertical"
17         android:id="@+id/iv_2"/>
18     <LinearLayout
19         android:layout_width="160dp"
20         android:layout_height="100dp"
21         android:layout_gravity="center_vertical"
22         android:orientation="vertical">
23         <TextView
24             android:layout_width="match_parent"
25             android:layout_height="0dp"
26             android:layout_weight="0.3"
27             android:id="@+id/tv_1"
28             android:text="柳橙莲子套装"
29             android:textSize="20dp"
30             />
31         <TextView
32             android:layout_width="match_parent"
33             android:layout_height="0dp"
34             android:layout_weight="0.2"
35             android:text="内含柳橙5个，莲子2公斤"
36             android:id="@+id/tv_2"/>
37         <TextView
38             android:layout_width="match_parent"
39             android:layout_height="0dp"
40             android:layout_weight="0.5"
41             android:text="¥30.9"
42             android:textSize="30dp"
43             android:textColor="#f81"
44             android:id="@+id/tv_3"/>
45     </LinearLayout>
46     <LinearLayout
47         android:layout_width="0dp"
48         android:layout_weight="1"
49         android:layout_height="wrap_content"
50         android:orientation="vertical"
51         android:layout_gravity="center_vertical">
52         <LinearLayout
53             android:layout_width="150dp"
54             android:layout_height="0dp"
55             android:layout_weight="1"
56             android:orientation="horizontal"
57             android:layout_gravity="center">
58             <ImageButton
59                 android:layout_width="0dp"
60                 android:layout_weight="1"
61                 android:layout_height="match_parent"
62                 android:background="@drawable/jian"
63                 android:id="@+id/ib_2"/>
64             <ImageButton
65                 android:layout_width="0dp"
66                 android:layout_weight="1"
67                 android:layout_height="match_parent"
68                 android:background="@drawable/shuliang"
69                 android:id="@+id/ib_3"/>
70             <ImageButton
71                 android:layout_width="0dp"
72                 android:layout_weight="1"
73                 android:layout_height="match_parent"
74                 android:background="@drawable/jia"
75                 android:id="@+id/ib_4"/>
76         </LinearLayout>
77         <LinearLayout
78             android:layout_width="match_parent"
79             android:layout_height="0dp"
80             android:layout_weight="1"
81             android:gravity="right">
82             <ImageButton
83                 android:layout_width="wrap_content"
84                 android:layout_height="match_parent"
85                 android:background="@drawable/shanchu"
86                 android:layout_gravity="bottom"
87                 android:layout_marginRight="20dp"
88                 android:id="@+id/ib_5"/>
89         </LinearLayout>
90     </LinearLayout>
91 </LinearLayout>

View Code