Android--XML的讀取，使用XmlPullParser

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test.xml

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<? xml version= "1.0" encoding= "utf-8" ?>

    <channel >

        <title >旅遊 </title >

        <description >(...略) </description >

        <language >zh-Hant-TW </language >

        <pubDate >Sun, 06 Jan 2013 </pubDate >

        <ttl >5 </ttl >

        <item >

            <title >台南美食吃不完 </title >

               <pubDate >Sun, 06 Jan 2013 </pubDate >

                <description >(...略) </description >

        </item >

    </channel >

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activity_main.xml

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< RelativeLayout xmlns:android ="http://schemas.android.com/apk/res/android"

    xmlns:tools= "http://schemas.android.com/tools"

    android:id= "@+id/RelativeLayout1"

    android:layout_width= "match_parent"

    android:layout_height= "match_parent"

    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" >

    <FrameLayout

        android:id= "@+id/frameLayout1"

        android:layout_width= "wrap_content"

        android:layout_height= "wrap_content"

        android:layout_alignParentLeft ="true"

        android:layout_alignParentTop ="true" >

        <TextView

            android:id= "@+id/textView1"

            android:layout_width= "wrap_content"

            android:layout_height= "wrap_content"

            android:text ="TextView1" />

    </FrameLayout >

    <FrameLayout

        android:layout_width= "wrap_content"

        android:layout_height= "wrap_content"

        android:layout_alignParentRight ="true"

        android:layout_alignTop= "@+id/frameLayout1"

        android:layout_marginRight= "123dp" >

        <TextView

            android:id= "@+id/textView2"

            android:layout_width= "wrap_content"

            android:layout_height= "wrap_content"

            android:text ="TextView2" />

    </FrameLayout >

</ RelativeLayout>

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MainActivity.java

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package com.example.test_app06;

import java.io.IOException;

import java.io.InputStream;

import org.xmlpull.v1.XmlPullParser;

import org.xmlpull.v1.XmlPullParserException;

import android.os.Bundle;

import android.app.Activity;

import android.content.res.AssetManager;

import android.util.Xml;

import android.view.Menu;

import android.widget.TextView;

public class MainActivity extends Activity {

     @Override

     protected void onCreate(Bundle savedInstanceState) {

          super.onCreate(savedInstanceState);

          setContentView(R.layout.activity_main);

          TextView tv01 = (TextView)findViewById(R.id.textView1);

          TextView tv02 = (TextView)findViewById(R.id.textView2);

          int i= 0;

          XmlPullParser pullParser = Xml.newPullParser();

          //因為將test.xml放在/assets之下，所以必須以讀取檔案的方式來處理

          AssetManager assetManager = getAssets();

          InputStream is;

          try

          {

              is = assetManager.open("test.xml"); //讀取檔案

              pullParser.setInput(is , "utf-8");  //設定語系

              //利用eventType來判斷目前分析到XML是哪一個部份

              int eventType = pullParser.getEventType();

              //XmlPullParser.END_DOCUMENT表示已經完成分析XML

              while(eventType != XmlPullParser.END_DOCUMENT)

              {

                  i++;

                  //XmlPullParser.START_TAG表示目前分析到的是XML的Tag，如<title>

                  if (eventType == XmlPullParser.START_TAG) {

                    String name = pullParser.getName();

                    tv01.setText(tv01.getText() + ", " + name);

                  }

                  //XmlPullParser.TEXT表示目前分析到的是XML Tag的值，如：台南美食吃不完

                  if (eventType==XmlPullParser.TEXT) {

                       String value = pullParser.getText();

                      tv02.setText(tv02.getText() + ", " + value);

                  }

                  //分析下一個XML Tag

                  eventType = pullParser.next();

              }

          } catch (IOException e) {

               tv02.setText(e.toString());

          } catch (XmlPullParserException e) {

               tv02.setText(e.toString());

          }

     }

     @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;

     }

}