在好例子网，分享、交流、成长！
您当前所在位置：首页 → Java 开发实例 → Android平台开发 → android 选择地址三级联动

android 选择地址三级联动

Android平台开发

下载此实例
  • 开发语言：Java
  • 实例大小：0.19M
  • 下载次数：18
  • 浏览次数：694
  • 发布时间：2016-01-12
  • 实例类别：Android平台开发
  • 发 布 人：LsjWin
  • 文件格式：.zip
  • 所需积分：2
 相关标签： 联动 三级联动
网友评论 举报投诉 收藏该页

实例介绍

【实例简介】

【实例截图】

【核心代码】

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
package cc.lifelink.cn;
 
import java.util.ArrayList;
import java.util.List;
 
import android.app.Activity;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Spinner;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.Toast;
 
 
public class City_cnActivity extends Activity {
    /** Called when the activity is first created. */
    private DBManager dbm;
    private SQLiteDatabase db;
    private Spinner spinner1 = null;
    private Spinner spinner2=null;
    private Spinner spinner3=null;
    private String province=null;
    private String city=null;
    private String district=null;
     
     
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        spinner1=(Spinner)findViewById(R.id.spinner1);
        spinner2=(Spinner)findViewById(R.id.spinner2);
        spinner3=(Spinner)findViewById(R.id.spinner3);
        spinner1.setPrompt("省");
        spinner2.setPrompt("城市");      
        spinner3.setPrompt("地区");
         
        initSpinner1();
    }
     
    public void initSpinner1(){
        dbm = new DBManager(this);
        dbm.openDatabase();
        db = dbm.getDatabase();
        List<MyListItem> list = new ArrayList<MyListItem>();
         
        try {   
            String sql = "select * from province"; 
            Cursor cursor = db.rawQuery(sql,null); 
            cursor.moveToFirst();
            while (!cursor.isLast()){
                String code=cursor.getString(cursor.getColumnIndex("code"));
                byte bytes[]=cursor.getBlob(2);
                String name=new String(bytes,"gbk");
                MyListItem myListItem=new MyListItem();
                myListItem.setName(name);
                myListItem.setPcode(code);
                list.add(myListItem);
                cursor.moveToNext();
            }
            String code=cursor.getString(cursor.getColumnIndex("code"));
            byte bytes[]=cursor.getBlob(2);
            String name=new String(bytes,"gbk");
            MyListItem myListItem=new MyListItem();
            myListItem.setName(name);
            myListItem.setPcode(code);
            list.add(myListItem);
             
        } catch (Exception e) { 
        }
        dbm.closeDatabase();
        db.close();
         
        MyAdapter myAdapter = new MyAdapter(this,list);
        spinner1.setAdapter(myAdapter);
        spinner1.setOnItemSelectedListener(new SpinnerOnSelectedListener1());
    }
    public void initSpinner2(String pcode){
        dbm = new DBManager(this);
        dbm.openDatabase();
        db = dbm.getDatabase();
        List<MyListItem> list = new ArrayList<MyListItem>();
         
        try {   
            String sql = "select * from city where pcode='" pcode "'"; 
            Cursor cursor = db.rawQuery(sql,null); 
            cursor.moveToFirst();
            while (!cursor.isLast()){
                String code=cursor.getString(cursor.getColumnIndex("code"));
                byte bytes[]=cursor.getBlob(2);
                String name=new String(bytes,"gbk");
                MyListItem myListItem=new MyListItem();
                myListItem.setName(name);
                myListItem.setPcode(code);
                list.add(myListItem);
                cursor.moveToNext();
            }
            String code=cursor.getString(cursor.getColumnIndex("code"));
            byte bytes[]=cursor.getBlob(2);
            String name=new String(bytes,"gbk");
            MyListItem myListItem=new MyListItem();
            myListItem.setName(name);
            myListItem.setPcode(code);
            list.add(myListItem);
             
        } catch (Exception e) { 
        }
        dbm.closeDatabase();
        db.close();
         
        MyAdapter myAdapter = new MyAdapter(this,list);
        spinner2.setAdapter(myAdapter);
        spinner2.setOnItemSelectedListener(new SpinnerOnSelectedListener2());
    }
    public void initSpinner3(String pcode){
        dbm = new DBManager(this);
        dbm.openDatabase();
        db = dbm.getDatabase();
        List<MyListItem> list = new ArrayList<MyListItem>();
         
        try {   
            String sql = "select * from district where pcode='" pcode "'"; 
            Cursor cursor = db.rawQuery(sql,null); 
            cursor.moveToFirst();
            while (!cursor.isLast()){
                String code=cursor.getString(cursor.getColumnIndex("code"));
                byte bytes[]=cursor.getBlob(2);
                String name=new String(bytes,"gbk");
                MyListItem myListItem=new MyListItem();
                myListItem.setName(name);
                myListItem.setPcode(code);
                list.add(myListItem);
                cursor.moveToNext();
            }
            String code=cursor.getString(cursor.getColumnIndex("code"));
            byte bytes[]=cursor.getBlob(2);
            String name=new String(bytes,"gbk");
            MyListItem myListItem=new MyListItem();
            myListItem.setName(name);
            myListItem.setPcode(code);
            list.add(myListItem);
             
        } catch (Exception e) { 
        }
        dbm.closeDatabase();
        db.close();
         
        MyAdapter myAdapter = new MyAdapter(this,list);
        spinner3.setAdapter(myAdapter);
        spinner3.setOnItemSelectedListener(new SpinnerOnSelectedListener3());
    }
     
    class SpinnerOnSelectedListener1 implements OnItemSelectedListener{
         
        public void onItemSelected(AdapterView<?> adapterView, View view, int position,
                long id) {
            province=((MyListItem) adapterView.getItemAtPosition(position)).getName();
            String pcode =((MyListItem) adapterView.getItemAtPosition(position)).getPcode();
             
            initSpinner2(pcode);
            initSpinner3(pcode);
        }
 
        public void onNothingSelected(AdapterView<?> adapterView) {
            // TODO Auto-generated method stub
        }      
    }
    class SpinnerOnSelectedListener2 implements OnItemSelectedListener{
         
        public void onItemSelected(AdapterView<?> adapterView, View view, int position,
                long id) {
            city=((MyListItem) adapterView.getItemAtPosition(position)).getName();
            String pcode =((MyListItem) adapterView.getItemAtPosition(position)).getPcode();
 
            initSpinner3(pcode);
        }
 
        public void onNothingSelected(AdapterView<?> adapterView) {
            // TODO Auto-generated method stub
        }      
    }
     
    class SpinnerOnSelectedListener3 implements OnItemSelectedListener{
         
        public void onItemSelected(AdapterView<?> adapterView, View view, int position,
                long id) {
            district=((MyListItem) adapterView.getItemAtPosition(position)).getName();
            Toast.makeText(City_cnActivity.this, province " " city " " district, Toast.LENGTH_LONG).show();
        }
 
        public void onNothingSelected(AdapterView<?> adapterView) {
            // TODO Auto-generated method stub
        }      
    }
}

标签： 联动 三级联动

实例下载地址

android 选择地址三级联动

不能下载？内容有错？ 点击这里报错 + 投诉 + 提问

好例子网口号：伸出你的我的手 — 分享！

相关软件

相关文章

网友评论

我要评论

发表评论

(您的评论需要经过审核才能显示)

查看所有0条评论>>

小贴士

感谢您为本站写下的评论，您的评论对其它用户来说具有重要的参考价值，所以请认真填写。

  • 类似“顶”、“沙发”之类没有营养的文字，对勤劳贡献的楼主来说是令人沮丧的反馈信息。
  • 相信您也不想看到一排文字/表情墙，所以请不要反馈意义不大的重复字符，也请尽量不要纯表情的回复。
  • 提问之前请再仔细看一遍楼主的说明，或许是您遗漏了。
  • 请勿到处挖坑绊人、招贴广告。既占空间让人厌烦，又没人会搭理，于人于己都无利。

关于好例子网

本站旨在为广大IT学习爱好者提供一个非营利性互相学习交流分享平台。本站所有资源都可以被免费获取学习研究。本站资源来自网友分享，对搜索内容的合法性不具有预见性、识别性、控制性，仅供学习研究，请务必在下载后24小时内给予删除，不得用于其他任何用途，否则后果自负。基于互联网的特殊性，平台无法对用户传输的作品、信息、内容的权属或合法性、安全性、合规性、真实性、科学性、完整权、有效性等进行实质审查；无论平台是否已进行审查，用户均应自行承担因其传输的作品、信息、内容而可能或已经产生的侵权或权属纠纷等法律责任。本站所有资源不代表本站的观点或立场，基于网友分享，根据中国法律《信息网络传播权保护条例》第二十二与二十三条之规定，若资源存在侵权或相关问题请联系本站客服人员，点此联系我们。关于更多版权及免责申明参见 版权及免责申明

;
报警