/config/src/com/google/marvin/config/InstallerActivity.java

 1package com.google.marvin.config;
 2
 3import org.w3c.dom.Document;
 4import org.w3c.dom.NamedNodeMap;
 5import org.w3c.dom.NodeList;
 6import org.xml.sax.SAXException;
 7
 8import java.io.IOException;
 9import java.io.InputStream;
10import java.net.URL;
11import java.net.URLConnection;
12import java.util.ArrayList;
13
14import javax.xml.parsers.DocumentBuilder;
15import javax.xml.parsers.DocumentBuilderFactory;
16import javax.xml.parsers.FactoryConfigurationError;
17import javax.xml.parsers.ParserConfigurationException;
18
19import android.app.Activity;
20import android.app.ProgressDialog;
21import android.os.Bundle;
22
23/**
24 * InstallerActivity that displays the list of installable apps from the
25 * Eyes-Free project.
26 * 
27 * @author clchen@google.com (Charles L. Chen)
28 */
29public class InstallerActivity extends Activity {
30
31  private InstallerActivity self;
32
33  private AppListView appList;
34  private ProgressDialog loadingDialog = null;
35
36  /** Called when the activity is first created. */
37  @Override
38  public void onCreate(Bundle savedInstanceState) {
39    super.onCreate(savedInstanceState);
40    self = this;
41
42    appList = new AppListView(this);
43
44    setContentView(appList);
45    getAppsList();
46  }
47
48  private void getAppsList() {
49    loadingDialog = ProgressDialog.show(self, "Loading", "Please wait.", true);
50
51    class appListLoader implements Runnable {
52      public void run() {
53        try {
54          URLConnection cn;
55          URL url = new URL("http://eyes-free.googlecode.com/svn/trunk/config/assets/applist.xml");
56          cn = url.openConnection();
57          cn.connect();
58          InputStream stream = cn.getInputStream();
59          DocumentBuilder docBuild = DocumentBuilderFactory.newInstance().newDocumentBuilder();
60          Document appListDoc = docBuild.parse(stream);
61          NodeList appNodes = appListDoc.getElementsByTagName("app");
62
63          ArrayList<AppDesc> appDescs = new ArrayList<AppDesc>();
64          for (int i = 0; i < appNodes.getLength(); i++) {
65            NamedNodeMap attribs = appNodes.item(i).getAttributes();
66            String packageName = attribs.getNamedItem("packageName").getNodeValue();
67            String title = attribs.getNamedItem("title").getNodeValue();
68            String description = attribs.getNamedItem("desc").getNodeValue();
69            appDescs.add(new AppDesc(packageName, title, description));
70          }
71
72          appList.updateApps(appDescs);
73          appList.postInvalidate();
74        } catch (IOException e) {
75          // TODO Auto-generated catch block
76          e.printStackTrace();
77        } catch (SAXException e) {
78          // TODO Auto-generated catch block
79          e.printStackTrace();
80        } catch (ParserConfigurationException e) {
81          // TODO Auto-generated catch block
82          e.printStackTrace();
83        } catch (FactoryConfigurationError e) {
84          // TODO Auto-generated catch block
85          e.printStackTrace();
86        } finally {
87          loadingDialog.dismiss();
88        }
89      }
90    }
91    Thread loadThread = (new Thread(new appListLoader()));
92    loadThread.start();
93  }
94
95
96
97
98
99}