Android xmlpull 方式解析xml文件

1.新建一个xml文件，放在res/xml目录下

1 <?xml version="1.0" encoding="utf-8"?>
2 <citys>
3     <city count="1400"  name="深圳">广东</city>
4     <city count="1500"  name="广州">广东</city>
5     <city count="1000"  name="武汉">湖北</city>
6 </citys>

2.布局文件代码如下：

 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="fill_parent"
 5     android:orientation="vertical" >
 6
 7     <Button
 8         android:id="@+id/btn"
 9         android:layout_width="wrap_content"
10         android:layout_height="wrap_content"
11         android:text="@string/btnmsg" />
12
13     <EditText
14         android:id="@+id/edit"
15         android:layout_width="fill_parent"
16         android:layout_height="wrap_content" />
17
18 </LinearLayout>

3.后台java解析代码如下：

 1 package ymw.main;
 2
 3 import java.io.IOException;
 4
 5 import org.xmlpull.v1.XmlPullParserException;
 6
 7 import ymw.main.R;
 8
 9 import android.app.Activity;
10 import android.content.res.XmlResourceParser;
11 import android.os.Bundle;
12 import android.view.View;
13 import android.widget.Button;
14 import android.widget.EditText;
15
16 public class XmlResourceParserSampleActivity extends Activity {
17     @Override
18     public void onCreate(Bundle savedInstanceState) {
19         super.onCreate(savedInstanceState);
20         setContentView(R.layout.main);
21         Button btn = (Button) findViewById(R.id.btn);
22         final EditText edit = (EditText) findViewById(R.id.edit);
23         btn.setOnClickListener(new View.OnClickListener() {
24             @Override
25             public void onClick(View v) {
26                 XmlResourceParser xpr = XmlResourceParserSampleActivity.this
27                         .getResources().getXml(R.xml.myxml);// 找到xml文件
28                 StringBuilder sb = new StringBuilder();
29                 try {
30                     // 循环解析
31                     while (xpr.getEventType() != XmlResourceParser.END_DOCUMENT) {
32                         if (xpr.getEventType() == XmlResourceParser.START_TAG) {
33                             // 获取标签的标签名
34                             String name = xpr.getName();
35                             if (name.equals("city")) {
36                                 sb.append("城市名称：" + xpr.getAttributeValue(1)
37                                         + "\n");
38                                 sb.append("人口："
39                                         + xpr.getAttributeValue(null, "count")
40                                         + "万\n");
41                                 try {
42                                     sb.append("所属省份：" + xpr.nextText() + "\n\n");
43                                 } catch (IOException e) {
44                                     e.printStackTrace();
45                                 }
46                             }
47                         }
48                         try {
49                             xpr.next();
50                         } catch (IOException e) {
51                             e.printStackTrace();
52                         }
53                     }
54                     edit.setText(sb.toString());
55                 } catch (XmlPullParserException e) {
56                     e.printStackTrace();
57                 }
58             }
59         });
60     }
61
62 }