FileDocCategorySizeDatePackage
ApiDemos.javaAPI DocAndroid 1.5 API4844Wed May 06 22:41:08 BST 2009com.example.android.apis

ApiDemos

public class ApiDemos extends android.app.ListActivity

Fields Summary
private static final Comparator
sDisplayNameComparator
Constructors Summary
Methods Summary
protected android.content.IntentactivityIntent(java.lang.String pkg, java.lang.String componentName)


          
        Intent result = new Intent();
        result.setClassName(pkg, componentName);
        return result;
protected voidaddItem(java.util.List data, java.lang.String name, android.content.Intent intent)

        Map<String, Object> temp = new HashMap<String, Object>();
        temp.put("title", name);
        temp.put("intent", intent);
        data.add(temp);
protected android.content.IntentbrowseIntent(java.lang.String path)

        Intent result = new Intent();
        result.setClass(this, ApiDemos.class);
        result.putExtra("com.example.android.apis.Path", path);
        return result;
protected java.util.ListgetData(java.lang.String prefix)

        List<Map> myData = new ArrayList<Map>();

        Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);
        mainIntent.addCategory(Intent.CATEGORY_SAMPLE_CODE);

        PackageManager pm = getPackageManager();
        List<ResolveInfo> list = pm.queryIntentActivities(mainIntent, 0);

        if (null == list)
            return myData;

        String[] prefixPath;
        
        if (prefix.equals("")) {
            prefixPath = null;
        } else {
            prefixPath = prefix.split("/");
        }
        
        int len = list.size();
        
        Map<String, Boolean> entries = new HashMap<String, Boolean>();

        for (int i = 0; i < len; i++) {
            ResolveInfo info = list.get(i);
            CharSequence labelSeq = info.loadLabel(pm);
            String label = labelSeq != null
                    ? labelSeq.toString()
                    : info.activityInfo.name;
            
            if (prefix.length() == 0 || label.startsWith(prefix)) {
                
                String[] labelPath = label.split("/");

                String nextLabel = prefixPath == null ? labelPath[0] : labelPath[prefixPath.length];

                if ((prefixPath != null ? prefixPath.length : 0) == labelPath.length - 1) {
                    addItem(myData, nextLabel, activityIntent(
                            info.activityInfo.applicationInfo.packageName,
                            info.activityInfo.name));
                } else {
                    if (entries.get(nextLabel) == null) {
                        addItem(myData, nextLabel, browseIntent(prefix.equals("") ? nextLabel : prefix + "/" + nextLabel));
                        entries.put(nextLabel, true);
                    }
                }
            }
        }

        Collections.sort(myData, sDisplayNameComparator);
        
        return myData;
public voidonCreate(android.os.Bundle savedInstanceState)

        super.onCreate(savedInstanceState);
        
        Intent intent = getIntent();
        String path = intent.getStringExtra("com.example.android.apis.Path");
        
        if (path == null) {
            path = "";
        }

        setListAdapter(new SimpleAdapter(this, getData(path),
                android.R.layout.simple_list_item_1, new String[] { "title" },
                new int[] { android.R.id.text1 }));
        getListView().setTextFilterEnabled(true);
protected voidonListItemClick(android.widget.ListView l, android.view.View v, int position, long id)

        Map map = (Map) l.getItemAtPosition(position);

        Intent intent = (Intent) map.get("intent");
        startActivity(intent);