显示Parsed Xml数据到Android的ListView

Question

public class MainActivity extends Activity { 

     ListView list; 
     EditText name,number; 
     Button store,display,update; 
     ArrayList<String> fetchData = new ArrayList<String>(); 
     @Override 
     protected void onCreate(Bundle savedInstanceState) { 
      super.onCreate(savedInstanceState); 

      setContentView(R.layout.activity_main); 
      name=(EditText)findViewById(R.id.pname); 
      number=(EditText)findViewById(R.id.pnumber); 
      store=(Button)findViewById(R.id.bSignup); 
      display=(Button)findViewById(R.id.bShow); 
      update=(Button)findViewById(R.id.bUpdate); 

      list=(ListView)findViewById(R.id.list); 
        try{ 
         Time now = new Time(); 
         now.setToNow(); 
        DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance(); 
        DocumentBuilder docBuilder = docFactory.newDocumentBuilder(); 

        // root elements 
        Document doc = docBuilder.newDocument(); 
        Element rootElement = doc.createElement("user"); 
        doc.appendChild(rootElement); 

        // staff elements 
        Element staff = doc.createElement("details"); 
        rootElement.appendChild(staff); 

        // set attribute to staff element 
        Attr attr = doc.createAttribute("id"); 
        attr.setValue("1"); 
        staff.setAttributeNode(attr); 

        // shorten way 
        // staff.setAttribute("id", "1"); 

        // firstname elements 
        Element firstname = doc.createElement("firstname"); 
        firstname.appendChild(doc.createTextNode("manjeet")); 
        staff.appendChild(firstname); 

        // lastname elements 
        Element lastname = doc.createElement("lastname"); 
        lastname.appendChild(doc.createTextNode("singh")); 
        staff.appendChild(lastname); 

        // nickname elements 
        Element nickname = doc.createElement("nickname"); 
        nickname.appendChild(doc.createTextNode("mr. singh")); 
        staff.appendChild(nickname); 

        // salary elements 
        Element salary = doc.createElement("salary"); 
        salary.appendChild(doc.createTextNode("100000")); 
        staff.appendChild(salary); 

        // write the content into xml file 
        TransformerFactory transformerFactory = TransformerFactory.newInstance(); 
        Transformer transformer = transformerFactory.newTransformer(); 
        DOMSource source = new DOMSource(doc); 
        StreamResult result = new StreamResult(new File("/data/data/com.example.xmlparsing/files/Register.xml")); 

        transformer.transform(source, result); 

        System.out.println("File saved!"); 

        } catch (ParserConfigurationException pce) { 
        pce.printStackTrace(); 
        } catch (TransformerException tfe) { 
        tfe.printStackTrace(); 
        } 
        Intent i = new Intent(MainActivity.this,XMLConcat.class); 
        startActivity(i); 

        display.setOnClickListener(new OnClickListener() { 

       @Override 
       public void onClick(View arg0) {  
         Intent i = new Intent(MainActivity.this,XMLConcat.class); 
        startActivity(i); 
       } 
      }); 
    } 


public class XMLConcat extends Activity{ 
    ListView list; 
    ArrayList<String> fetchData = new ArrayList<String>(); 
    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
     // TODO Auto-generated method stub 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.display_list); 
     list=(ListView)findViewById(R.id.list); 
     try { 
      File fXmlFile = new File("/data/data/com.example.xmlparsing/files/Register.xml"); 

      DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance(); 
      DocumentBuilder dBuilder = dbFactory.newDocumentBuilder(); 
      Document doc = dBuilder.parse(fXmlFile); 
      doc.getDocumentElement().normalize(); 

      System.out.println("Root element :" + doc.getDocumentElement().getNodeName()); 

      NodeList nList = doc.getElementsByTagName("details"); 

      System.out.println("----------------------------"); 

      for (int temp = 0; temp < nList.getLength(); temp++) { 

       Node nNode = nList.item(temp); 

       System.out.println("\nCurrent Element :" + nNode.getNodeName()); 

       if (nNode.getNodeType() == Node.ELEMENT_NODE) { 

        Element eElement = (Element) nNode; 
        //at console 
        System.out.println("Staff id : " + eElement.getAttribute("id")); 
        System.out.println("First Name : " + eElement.getElementsByTagName("firstname").item(0).getTextContent()); 
        System.out.println("Last Name : " + eElement.getElementsByTagName("lastname").item(0).getTextContent()); 
        System.out.println("Nick Name : " + eElement.getElementsByTagName("nickname").item(0).getTextContent()); 
        System.out.println("Salary : " + eElement.getElementsByTagName("salary").item(0).getTextContent()); 


        fetchData.add(eElement.getAttribute("id")); 
        fetchData.add(eElement.getAttribute("firstname")); 
        fetchData.add(eElement.getAttribute("lastname")); 
        fetchData.add(eElement.getAttribute("nickname")); 
        fetchData.add(eElement.getAttribute("salary")); 
       } 
      } 
      } catch (Exception e) { 
      e.printStackTrace(); 
      } 
     setListAdapter(); 
} 
    private void setListAdapter(){ 
     ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,R.layout.list_item,fetchData); 
     list.setAdapter(adapter); 
    } 

} 

我想检索列表视图中的xml数据。在Android.so文件没有太多的知识it.please指导我。

Answer 1

看一看这些教程：

http://www.androidhive.info/2011/11/android-xml-parsing-tutorial/

http://www.androidhive.info/2012/02/android-custom-listview-with-image-and-text/

Answer 2

使用自定义适配器像this.try这一点。

public class Adapter extends BaseAdapter { 

LayoutInflater inflater; 
ArrayList<DbResultBean> beanList; 
DbResultBean bean; 
Holder mHolder; 
Handler handler; 

public Adapter(Context context, 
    ArrayList<DbResultBean> beanList,Handler handler) { 
    inflater = LayoutInflater.from(context); 
    this.beanList = beanList; 
    this.handler=handler; 
} 

@Override 
public int getCount() { 
    return beanList.size(); 
} 

@Override 
public Object getItem(int position) { 
    return null; 
} 

@Override 
public long getItemId(int position) { 
    return 0; 
} 

@Override 
public View getView(int position, View convertView, ViewGroup parent) { 

    View view = convertView; 
    if (view == null) { 

     view = inflater.inflate(R.layout.adapter_result_listitem, null, false); 

     mHolder = new Holder(); 
     mHolder.mtxt_exam_dt=(TextView) view.findViewById(R.id.mTxt_ExamDt); 
     mHolder.mtxt_marks=(TextView) view.findViewById(R.id.mTxt_MarksObtn); 
     mHolder.mtxt_subject=(TextView) view.findViewById(R.id.mTxt_Subject); 
     mHolder.mtxtCourse=(TextView) view.findViewById(R.id.mTxt_Course); 
     mHolder.mtxtCollege=(TextView) view.findViewById(R.id.mTxt_College); 

     view.setTag(mHolder); 
    }else{ 
     mHolder=(Holder) view.getTag(); 
    } 
    bean=beanList.get(position); 
    mHolder.mtxt_exam_dt.setText(bean.getExam_date()); 
    mHolder.mtxt_marks.setText(bean.getMark_obtain()); 
    mHolder.mtxt_subject.setText(bean.getSubject()); 
    mHolder.mtxtCourse.setText(bean.getCourse()); 
    mHolder.mtxtCollege.setText(bean.getCollege()); 
    return view; 
} 

public class Holder { 
    TextView mtxt_exam_dt; 
    TextView mtxt_marks; 
    TextView mtxt_subject; 
    TextView mtxtCourse; 
    TextView mtxtCollege; 

} 
}