Android读取XML文件

最新推荐文章于 2022-12-01 09:58:36 发布

laotou99

最新推荐文章于 2022-12-01 09:58:36 发布

阅读量1k

点赞数

CC 4.0 BY-SA版权

分类专栏： Android

本文链接：https://blog.youkuaiyun.com/laotou99/article/details/8928336

Android 专栏收录该内容

14 篇文章

订阅专栏

本文详细介绍了在Android平台上如何读取和解析XML文件，包括使用DOM、SAX和Pull解析器的方法，以及在实际开发中如何选择合适的解析方式。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

package com.example.atest4;

import java.io.IOException;

import org.xmlpull.v1.XmlPullParserException;

import android.os.Bundle;
import android.app.Activity;
import android.content.res.XmlResourceParser;
import android.view.Menu;
import android.view.View;
import android.widget.Button;

public class MainActivity extends Activity {

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		Button bn1 = (Button)findViewById(R.id.button1);
		
		bn1.setOnClickListener(new View.OnClickListener() {
			
			@Override
			public void onClick(View v) {
				// TODO Auto-generated method stub
				XmlResourceParser xrp = getResources().getXml(R.xml.books);
				try{
					StringBuffer sb = new StringBuffer("");
					
					while(xrp.getEventType() != XmlResourceParser.END_DOCUMENT){
						if(xrp.getEventType() == XmlResourceParser.START_TAG){
							String tagName = xrp.getName();
							System.out.println(tagName);							
							if(tagName.equals("book")){
								String bookPrice = xrp.getAttributeValue(null, "price");
								System.out.println(bookPrice);
								String bookdate = xrp.getAttributeValue(1);
								System.out.println(bookdate);
								System.out.println(xrp.nextText());
							}
							if(tagName.equals("note")){
								System.out.println(xrp.nextText());
							}
						}
						xrp.next();
					}
					
					
					
				}catch(XmlPullParserException e){
					e.printStackTrace();
				}catch(IOException e){
					e.printStackTrace();
				}	
				
			}
		});
		
		
		
		
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.main, menu);
		return true;
	}

}

<?xml version="1.0" encoding="utf-8"?>
<books>
    <book price ="90" outdate="2008">abcdefg</book>
    <book2>
        <note>dfds</note>
        <note>dfds1</note>
        <note>dfds2</note>
    </book2>
    <book price ="88" outdate="2011">dafdd</book>
    <book2>
        <note>dfds3</note>
    </book2>
    <book price ="77" outdate="2012">abcddafdefg</book>
    <book price ="89" outdate="2002">adf</book>
    <book2>
        <note>dfds</note>
    </book2>
</books>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/LinearLayout1"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context=".MainActivity" >

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/hello_world" />

    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Button" />

</LinearLayout>