使用Android Listview示例代码进行xml解析 [英] xml parse using Android Listview sample code

问题描述

如何访问子类别标签内的标题标签



sample.xml文件

how to access the title tag which is inside subcategory tag

sample.xml file

<?xml version="1.0" encoding="UTF-8"?>
<rss>
<item>
    <id>1</id>
    <title>Guidliness</title>
    <desc>On the Internet usually the resume are send via e-mail to respective companies, but it is still important that you carry a copy along with you during your preliminary interview.</desc>
</item>
<item>
    <id>2</id>
    <title>Why do you Need a Resume?</title>
    <desc>A summary of your objectives,educational qualification,experience,skills relevant to the field of work you are going to enter.</desc>
</item>
<item>
    <id>3</id>
    <title>Basics of Writing a Resume</title>
                <subcategory>
                        <title>Basic Standards</title>
                        <desc>Resume is what an employer looks at much before meeting you,it is the first interface you have with your employer.</desc>
               </subcategory>
               <subcategory>
                       <title>Stick of the Point</title>
                       <desc>Employers have a busy schedule, so don't expect them to read through a long resume.</desc>
               </subcategory>
               <subcategory>
                   <title>Words Count</title>
                   <desc>Use of language is extremely important; you need to sell yourself to an employer quickly and efficiently.</desc>
               </subcategory>
               <subcategory>
                   <title>Make the Most of your Experience</title>
                   <desc>Employers need to know what you have accomplished to have an idea of what you can do for them. Don't be vague.</desc>
               </subcategory>
               <subcategory>
                   <title>Honesty is a Good Policy</title>
                   <desc>Employers will feel more comfortable hiring you if they can verify your accomplishments.</desc>
               </subcategory>
               <subcategory>
                   <title>Double-Check for Mistakes</title>
                   <desc>Check your resume for correct grammar and spelling - evidence of good communication skills and attention to detail.</desc>
               </subcategory>
</item>
<item>
    <id>4</id>
    <title>15 Golden Steps</title>
    <desc>The thought of writing a resume scares almost anyone. It's difficult to know where to start or what to include.</desc>
</item>
<item>
    <id>5</id>
    <title>8 Red Flags</title>
    <desc>A Resume is your mirror reflection to a recruiter or prospective employer.</desc>
</item>

</rss>

Android中的SampleActivity.Java文件

SampleActivity.Java file in Android

public class AndroidXMLParsingActivity extends ListActivity {

	// All static variables
	static final String URL = "http://10.0.2.2:8080/sample/xmlfiles/sample.xml";
	// XML node keys
	static final String RSS_ITEM = "item"; // parent node
	static final String RSS_ID = "id";
	static final String RSS_NAME = "title";
	
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);

		ArrayList<hashmap><string,>> menuItems = new ArrayList<hashmap><string,>>();

		XMLParser parser = new XMLParser();
		String xml = parser.getXmlFromUrl(URL); // getting XML
		Document doc = parser.getDomElement(xml); // getting DOM element

		NodeList nl = doc.getElementsByTagName(RSS_ITEM);
		// looping through all item nodes <item>
		for (int i = 0; i < nl.getLength(); i++)
		{
			// creating new HashMap
			HashMap<string,> map = new HashMap<string,>();
			
			Element e = (Element) nl.item(i);
			// adding each child node to HashMap RSS => value
			map.put(RSS_ID, parser.getValue(e, RSS_ID));
			map.put(RSS_NAME, parser.getValue(e, RSS_NAME));
			
			// adding HashList to ArrayList
			menuItems.add(map);
		}

		// Adding menuItems to ListView
		ListAdapter adapter = new SimpleAdapter(this, menuItems,R.layout.flist_item,new String[] { RSS_NAME }, new int[] 
		{
			R.id.name 
		});

		setListAdapter(adapter);

		// selecting single ListView item
		ListView lv = getListView();

		lv.setOnItemClickListener(new OnItemClickListener() {

			@Override
			public void onItemClick(AdapterView			{ 
				// getting values from selected ListItem
				String name = ((TextView) view.findViewById(R.id.name)).getText().toString();				 
				// Starting new intent
				Intent in = new Intent(getApplicationContext(), SingleMenuItemActivity.class);
				in.putExtra(RSS_NAME, name);
				Log.d("name", name);				 
				startActivity(in);
			}
		});
	}
}</item></hashmap></hashmap>

推荐答案

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listview-in-android [ ^ ]

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