Java 类android.app.ListActivity 实例源码

/**
 * Displays a 'List' of 'Demo Beans'
 */
private void showList(ListActivity listApp)
{
    //Reads the synchronized/locally stored demo beans from the 'offlineapp_demochannel' channel on the device
    MobileBean[] demoBeans = MobileBean.readAll("offlineapp_demochannel");

    //Shows these beans in a List
    if(demoBeans != null && demoBeans.length >0)
    {
        String[] ui = new String[demoBeans.length];
        for(int i=0,size=ui.length;i<size;i++)
        {
            ui[i] = demoBeans[i].getValue("demoString");
        }
        listApp.setListAdapter(new ArrayAdapter(listApp, 
        android.R.layout.simple_list_item_1, 
        ui));

        //List Listener
        ListItemClickListener clickListener = new ClickListener(demoBeans);
        NavigationContext.getInstance().addClickListener(clickListener);
    }
}

/**
 * <p>Constructor: Instantiate a new adapter.</p>
 * @param parent ListActivity - associated list view
 * @param cur Cursor - associate managed database query
 */
public AssignmentAdapter (ListActivity parent, Cursor cur) {
    super (
        parent, R.layout.list_item, cur,
        // columns for item display
        new String[] {
            Repository.NumberCode.NUMBER,
            Repository.NumberCode.NAME,
            Repository.NumberCode.CODE
        },
        // associated view elements (identifiers)
        new int[] {
            R.id.txt_number,
            R.id.txt_name,
            R.id.txt_code
        }
    );
}

void checkActivity() {
    Context context = adapterView.getContext();
    if (context instanceof ListActivity) {
        throw new RuntimeException("ListView cannot belong to an activity which subclasses ListActivity");
    }
    if (context instanceof SherlockActivity || context instanceof SherlockFragmentActivity
            || context instanceof SherlockPreferenceActivity) {
        return;
    }
    throw new RuntimeException("ListView must belong to an activity which subclasses SherlockActivity");
}

@Override
/**
 * Invoked by the MVC runtime once the screen is rendered. This callback allows the screen setup the business state of the screen
 * and update the UI to show this information
 */
public void postRender()
{
    //Gets the currently active 'Activity' instance
    ListActivity listApp = (ListActivity)Services.getInstance().getCurrentActivity();

    //Gets the 'Cloud' configuration
    AppResources res = Services.getInstance().getResources();
    Configuration configuration = Configuration.getInstance(listApp);

    //Check to see if the 'Demo Beans' are synchronized from the 'Cloud'. If not, a 'Boot Sync' is issued.
    if(configuration.isActive() && !MobileBean.isBooted("offlineapp_demochannel"))
    {
        //Boots up the 'Demo Bean' sync channel
        CommandContext commandContext = new CommandContext();
        commandContext.setTarget("/channel/bootup/helper");
        Services.getInstance().getCommandService().execute(commandContext);

        return;
    }

    //Show the List of "Demo Beans" synchronized from the 'Cloud'. 
    this.showList(listApp);

    //Setup the App Menu
    this.setMenuItems();
}

public static SubjectFactory<ListActivitySubject, ListActivity> type() {
  return new SubjectFactory<ListActivitySubject, ListActivity>() {
    @Override
    public ListActivitySubject getSubject(FailureStrategy fs, ListActivity that) {
      return new ListActivitySubject(fs, that);
    }
  };
}

@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
    DataItem item = (DataItem) mListView.getItemAtPosition(position);

    // if navigation is supported, open the next activity
    if (item.getNavigationInfo() != DataSource.NO_NAVIGATION) {
        Intent intent = new Intent(this, ListActivity.class);
        intent.putExtra(TYPE, item.getNavigationInfo());
        startActivity(intent);
    }
}

/**
 *
 * @param activity
 *            {@link ListActivity} that uses this CursorAdapter
 * @param uri
 *            {@link Uri} of the {@link Location}s to be displayed
 */
public LocationCursorAdapter(ListActivity activity, Uri uri) {
    super(activity, R.layout.list_row, activity.managedQuery(uri, null,
                    null, null, null),
            new String[]{RedpinContract.Location.SYMBOLIC_ID},
            new int[]{R.id.list_row_label});

    this.activity = activity;
    this.uri = uri;

    setStringConversionColumn(getCursor().getColumnIndex(
            RedpinContract.Location.SYMBOLIC_ID));
}

/**
 *
 * @param activity
 *            {@link ListActivity} that uses this CursorAdapter
 * @param uri
 *            {@link Uri} of the {@link Map}s to be displayed
 */
public MapCursorAdapter(ListActivity activity, Uri uri) {
    super(activity, R.layout.list_row, activity.managedQuery(uri, null,
                    null, null, null), new String[]{RedpinContract.Map.NAME},
            new int[]{R.id.list_row_label});

    this.activity = activity;
    this.uri = uri;

    setStringConversionColumn(getCursor().getColumnIndex(
            RedpinContract.Map.NAME));

}

public static void onListItemClick(
        ListActivity activity, ListView l, View v,
        int position, long id) {
    try {
        Method m = ListActivity.class.getDeclaredMethod("onListItemClick", new Class[]{ListView.class, View.class, int.class, long.class});
        m.setAccessible(true);
        m.invoke(activity, new Object[]{new Object[]{l, v, position, id}});
    } catch (Exception e) {
        e.printStackTrace();
        throw new RuntimeException("error in onListItemClick", e);
    }
}

@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
    DataItem item = (DataItem) mListView.getItemAtPosition(position);

    // if navigation is supported, open the next activity
    if (item.getNavigationInfo() != DataSource.NO_NAVIGATION) {
        Intent intent = new Intent(this, ListActivity.class);
        intent.putExtra(TYPE, item.getNavigationInfo());
        startActivity(intent);
    }
}

public GradeListAdapter(ListActivity context, List<Note> list) {
    super(context, list, R.layout.grade_list_item);
    mGradeColors = new int[] {
            getResources().getColor(R.color.grade_1),
            getResources().getColor(R.color.grade_2),
            getResources().getColor(R.color.grade_3),
            getResources().getColor(R.color.grade_4),
            getResources().getColor(R.color.grade_5)
          };
}

private void ensureActivity() {
    final Context context = adapterView.getContext();

    if (context instanceof ListActivity) {
        throw new RuntimeException("ListView cannot belong to an activity which subclasses ListActivity");
    }

    if (context instanceof ActionBarActivity) {
        return;
    }

    throw new RuntimeException("ListView must belong to an activity which subclasses SherlockActivity");
}

public void test_basic() {
    Router router = new Router();
    router.map("users/:user_id", ListActivity.class);

    Intent intent = router.intentFor("users/4");
    Assert.assertEquals("4", intent.getExtras().getString("user_id"));
}

public void test_empty() {
    Router router = new Router();
    router.map("users", ListActivity.class);

    Intent intent = router.intentFor("users");
    Assert.assertNull(intent.getExtras());
}

public void test_url_starting_with_slash() {
    Router router = new Router();
    router.map("/users", ListActivity.class);

    Intent intent = router.intentFor("/users");
    Assert.assertNull(intent.getExtras());
}

public void test_url_querystring() {
    Router router = new Router();
    router.map("/users/:id", ListActivity.class);

    Intent intent = router.intentFor("/users/123?key1=val2");
    Bundle extras = intent.getExtras();

    Assert.assertEquals("123", extras.getString("id"));
    Assert.assertEquals("val2", extras.getString("key1"));
}

public void test_url_containing_spaces() {
    Router router = new Router();
    router.map("/path+entry/:id", ListActivity.class);

    Intent intent = router.intentFor("/path+entry/123");
    Bundle extras = intent.getExtras();

    Assert.assertEquals("123", extras.getString("id"));
}

public void test_url_querystring_with_encoded_value() {
    Router router = new Router();
    router.map("/users/:id", ListActivity.class);

    Intent intent = router.intentFor("/users/123?key1=val+1&key2=val%202");
    Bundle extras = intent.getExtras();

    Assert.assertEquals("val 1", extras.getString("key1"));
    Assert.assertEquals("val 2", extras.getString("key2"));
}

public void test_url_querystring_without_value() {
    Router router = new Router();
    router.map("/users/:id", ListActivity.class);

    Intent intent = router.intentFor("/users/123?val1");
    Bundle extras = intent.getExtras();

    Assert.assertTrue(extras.containsKey("val1"));
}

public void test_url_starting_with_slash_with_params() {
    Router router = new Router();
    router.map("/users/:user_id", ListActivity.class);

    Intent intent = router.intentFor("/users/4");
    Assert.assertEquals("4", intent.getExtras().getString("user_id"));
}

void setListAdapter(ListAdapter adapter) {
  if (host instanceof ListActivity) {
    ((ListActivity)host).setListAdapter(adapter);
  }
  else {
    lv.setAdapter(adapter);
  }
}

public TimesArrayAdapter(ListActivity context, int layout, 
                boolean ampm, ArrayList<String[]> details) {
    super(context, layout, details);
    // Log.v(TAG, "TimesArrayAdapter()");

    mDetails = details;
    mInflater = LayoutInflater.from(context);
    mLayout = layout;
    ampmflag = ampm;
}

public ListArrayAdapter(ListActivity context, int layout, boolean ampm, ArrayList<String[]> details) {
    super(context, layout, details);
    // Log.v(TAG, "TimesArrayAdapter()");

    mDetails = details;
    mInflater = LayoutInflater.from(context);
    mLayout = layout;
    ampmflag = ampm;
}

public void setScaleFactor(String aNewStringVal) {
    BitsThumbnailUtils.mThumbnailFilePrefix = BitsThumbnailUtils.DEFAULT_THUMBNAIL_FILE_PREFIX+aNewStringVal;
    int theNewValue = (aNewStringVal!=null)?Integer.parseInt(aNewStringVal):scaleFactor;
    if (scaleFactor!=theNewValue) {
        boolean saveEnabled = isEnabled();
        setEnabled(false);
        emptyRecycleBin();
        setEnabled(saveEnabled);
        scaleFactor = theNewValue;
        if (mAct instanceof ListActivity)
            ((ListActivity)mAct).getListView().invalidateViews();
    }

}

/**
 * 
 * @param activity
 *            {@link ListActivity} that uses this CursorAdapter
 * @param uri
 *            {@link Uri} of the {@link Location}s to be displayed
 */
public LocationCursorAdapter(ListActivity activity, Uri uri) {
    super(activity, R.layout.list_row, activity.managedQuery(uri, null,
            null, null, null),
            new String[] { RedpinContract.Location.SYMBOLIC_ID },
            new int[] { R.id.list_row_label });

    this.activity = activity;
    this.uri = uri;

    setStringConversionColumn(getCursor().getColumnIndex(
            RedpinContract.Location.SYMBOLIC_ID));
}

/**
 * 
 * @param activity
 *            {@link ListActivity} that uses this CursorAdapter
 * @param uri
 *            {@link Uri} of the {@link Map}s to be displayed
 */
public MapCursorAdapter(ListActivity activity, Uri uri) {
    super(activity, R.layout.list_row, activity.managedQuery(uri, null,
            null, null, null), new String[] { RedpinContract.Map.NAME },
            new int[] { R.id.list_row_label });

    this.activity = activity;
    this.uri = uri;

    setStringConversionColumn(getCursor().getColumnIndex(
            RedpinContract.Map.NAME));

}

/**
 * Loading of all necessary objects: activity and user list. Getting the
 * inflater.
 */
public LazyAdapter(ListActivity activity, ArrayList<String> names) {
    super();
    this.activity = activity;
    this.names = names;
    this.folks = new FbUser[this.names.size()];
    layoutInflater = (LayoutInflater) activity
            .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    new FetchDataTask(this, 0).execute(new Void[]{});
}

LoadPackagesAsyncTask(ListActivity activity) {
  this.activity = activity;
}

LoadPackagesAsyncTask(ListActivity activity) {
    this.activity = activity;
}

LoadPackagesAsyncTask(ListActivity activity) {
    this.activity = activity;
}

LoadPackagesAsyncTask(ListActivity activity) {
    this.activity = activity;
}

LoadPackagesAsyncTask(ListActivity activity) {
    this.activity = activity;
}

LoadPackagesAsyncTask(ListActivity activity) {
    this.activity = activity;
}

LoadPackagesAsyncTask(ListActivity activity) {
  this.activity = activity;
}

LoadPackagesAsyncTask(ListActivity activity) {
  this.activity = activity;
}

public void postRender()
{       
    //render the list       
    ListActivity listApp = (ListActivity)Services.getInstance().getCurrentActivity();

    final Configuration conf = Configuration.getInstance(listApp);
    AppResources appResources = Services.getInstance().getResources();  

    listApp.setTitle("Sync");

    final String[] adapterArray;
    List<String> myChannels = conf.getMyChannels();
    final boolean channelsFound;
    if(myChannels != null && !myChannels.isEmpty())
    {
        channelsFound = true;
        adapterArray = myChannels.toArray(new String[0]);
        listApp.setListAdapter(new ArrayAdapter(listApp, 
                android.R.layout.simple_list_item_1, 
                adapterArray));
    }
    else
    {
        channelsFound = false;
        adapterArray = new String[]{"There aren't any registered channels for synchronization"};
        listApp.setListAdapter(new ArrayAdapter(listApp, 
                android.R.layout.simple_list_item_1, 
                adapterArray));
    }

    //Setup Menu
    this.setupMenu();

    //Add a List click listener
    ListItemClickListener clickListener = new ListItemClickListener()
    {
        public void onClick(ListItemClickEvent clickEvent)
        {
            if(!channelsFound)
            {
                Services.getInstance().getNavigationContext().back();
                return;
            }

            //Perform channel-oriented functions
            ManualSyncScreen.this.startChannelSelect(adapterArray[clickEvent.getPosition()]);
        }
    };
    NavigationContext.getInstance().addClickListener(clickListener);
}

protected ListActivitySubject(FailureStrategy failureStrategy, ListActivity subject) {
  super(failureStrategy, subject);
}

LoadPackagesAsyncTask(ListActivity activity) {
  this.activity = activity;
}

MapListView(ListActivity activity) {
    m_activity = activity;
    initMapEngine();
}

LoadPackagesAsyncTask(ListActivity activity) {
  this.activity = activity;
}