Android中怎么使用pull解析xml-创新互联
本篇文章为大家展示了Android中怎么使用 pull解析xml,内容简明扼要并且容易理解,绝对能使你眼前一亮,通过这篇文章的详细介绍希望你能有所收获。

persons.xml
jame 18 Tom 20 Jack 16 Rose 26
activity布局文件
activity_main.xml
javaBean:
public class Person {
private int id;
private String name;
private int age;
public Person() {
super();
}
public Person(int id, String name, int age) {
super();
this.id = id;
this.name = name;
this.age = age;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
@Override
public String toString() {
return "Person [id=" + id + ", name=" + name + ", age=" + age + "]";
}
}主activity:
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import org.xmlpull.v1.XmlPullParser;
import android.app.Activity;
import android.os.Bundle;
import android.os.Environment;
import android.util.Xml;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.TextView;
public class MainActivity extends Activity implements OnClickListener {
private TextView tv_content;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
tv_content = (TextView) findViewById(R.id.tv_content);
findViewById(R.id.bt_read).setOnClickListener(this);
}
@Override
public void onClick(View v) {
try {
if (Environment.getExternalStorageState().equals(
Environment.MEDIA_MOUNTED)) {
List persons = new ArrayList();
Person person = null;
File sd_file = Environment.getExternalStorageDirectory();
File file = new File(sd_file, "persons.xml");
InputStream inputStream = new FileInputStream(file);
// 获取xml Pull解析器
XmlPullParser pullParser = Xml.newPullParser();
// 解析文件
pullParser.setInput(inputStream, "utf-8");
// 得到事件类型(START_DOCUMENT,END_DOCUMENT,START_TAG, END_TAG, TEXT,
// etc)
int eventType = pullParser.getEventType();
while (eventType != XmlPullParser.END_DOCUMENT) {
switch (eventType) {
case XmlPullParser.START_TAG:
// 获取标签的名称
String tag_name = pullParser.getName();
if ("person".equals(tag_name)) {
person = new Person();
persons.add(person);
// String value = pullParser.getAttributeValue(null,
// "id");
String value = pullParser.getAttributeValue(0);
person.setId(Integer.parseInt(value));
} else if ("name".equals(tag_name)) {
// pullParser.next();
// String text = pullParser.getText();
String text = pullParser.nextText();
person.setName(text);
} else if ("age".equals(tag_name)) {
// pullParser.next();
// String text = pullParser.getText();
String text = pullParser.nextText();
person.setAge(Integer.parseInt(text));
}
break;
default:
break;
}
eventType = pullParser.next();
}
tv_content.setText(persons.toString());
}
} catch (Exception e) {
e.printStackTrace();
}
}
} 上述内容就是Android中怎么使用 pull解析xml,你们学到知识或技能了吗?如果还想学到更多技能或者丰富自己的知识储备,欢迎关注创新互联行业资讯频道。
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