Java Code Examples for android.widget.ArrayAdapter#notifyDataSetChanged()

@Override
  public void onGetInputtips(List<Tip> tipList, int rCode) {
      if (rCode == AMapException.CODE_AMAP_SUCCESS) {
          if (tipList != null) {
              List<String> listString = new ArrayList<String>();
              int size = tipList.size();
              for (int i = 0; i < size; i++) {
                  listString.add(tipList.get(i).getName());
              }
              ArrayAdapter<String> aAdapter = new ArrayAdapter<String>(
                      getApplicationContext(),
                      R.layout.route_inputs, listString);
              mKeywordText.setAdapter(aAdapter);
              aAdapter.notifyDataSetChanged();
          }
      } else {
      	ToastUtil.showerror(this, rCode);
}     
  }
 

@Override
public void onGetInputtips(List<Tip> tipList, int rCode) {
	if (rCode == AMapException.CODE_AMAP_SUCCESS) {// 正确返回
		List<String> listString = new ArrayList<String>();
		for (int i = 0; i < tipList.size(); i++) {
			listString.add(tipList.get(i).getName());
		}
		ArrayAdapter<String> aAdapter = new ArrayAdapter<String>(
				getApplicationContext(),
				R.layout.route_inputs, listString);
		searchText.setAdapter(aAdapter);
		aAdapter.notifyDataSetChanged();
	} else {
		ToastUtil.showerror(this, rCode);
	}
	
}
 

private void updateSearchResultListView(){
    ListView listView = (ListView) findViewById(R.id.main_search_results_list_view);
    ArrayAdapter<FileInfo> arrayAdapter=((ArrayAdapter)listView.getAdapter());
    arrayAdapter.clear();
    if(searchCompletedEvent==null || searchCompletedEvent.hasZeroResults()){
        Log.i("Main", "updateSearchResultListView, no result");
        ((TextView)findViewById(R.id.main_search_results_empty_element)).setText(R.string.no_search_result_message);
    }else if(searchCompletedEvent.hasTooManyResults()) {
        Log.i("Main", "updateSearchResultListView, too many results");
        ((TextView)findViewById(R.id.main_search_results_empty_element)).setText(R.string.too_many_search_results_message);
    }else{
        List<FileInfo> list = searchCompletedEvent.getResultList();
        Log.i("Main", "updateSearchResultListView, result count = " + list.size());
        arrayAdapter.addAll(list);
    }
    arrayAdapter.notifyDataSetChanged();
    listView.setSelection(0);
}
 

public void add (App app, boolean checkDuplicate, boolean sortAndNotifyAdapter)
{
	if (! (checkDuplicate && this.apps.contains (app)))
	{
		this.apps.add (app);

		if (sortAndNotifyAdapter)
		{
			this.sort ();

			ArrayAdapter adapter = (ArrayAdapter) this.gvDashHomeApps.getAdapter ();
			if (adapter != null)
				adapter.notifyDataSetChanged ();
		}
	}
}
 

private void updateSetupList() {
    ArrayAdapter<String> ga = (ArrayAdapter) profileList.getAdapter();

    if (ga != null) {
        ga.clear();
    }

    String[] arrayData = prepareSetup();

    if (arrayData != null) {
        for (String string : arrayData) {
            ga.insert(string, ga.getCount());
        }
    }

    ga.notifyDataSetChanged();
}
 

public void onClick(View view) {
	@SuppressWarnings("unchecked")
	ArrayAdapter<Comment> adapter = (ArrayAdapter<Comment>) getListAdapter();
	Comment comment = null;
	switch (view.getId()) {
	case R.id.add:
		String[] comments = new String[] { "Cool", "Very nice", "Hate it" };
		int nextInt = new Random().nextInt(3);
		// Save the new comment to the database
		comment = datasource.createComment(comments[nextInt]);
		adapter.add(comment);
		break;
	case R.id.delete:
		if (getListAdapter().getCount() > 0) {
			comment = (Comment) getListAdapter().getItem(0);
			datasource.deleteComment(comment);
			adapter.remove(comment);
		}
		break;
	}
	adapter.notifyDataSetChanged();
}
 

public PSpinner setData(String[] data) {
    this.mData = data;

    ArrayList<String> data_ = new ArrayList<>();
    data_.add("qq1");
    data_.add("qq2");

    ArrayAdapter<String> adapter = new ArrayAdapter<String>(getContext(), android.R.layout.simple_spinner_dropdown_item, data_);
    // adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
    this.setAdapter(adapter);
    adapter.notifyDataSetChanged();

    return this;
}
 

public static void setIconSpinner(Spinner spinner, String iconValue) {
  @SuppressWarnings("unchecked")
  ArrayAdapter<StringBuilder> adapter = (ArrayAdapter<StringBuilder>) spinner.getAdapter();
  StringBuilder stringBuilder = adapter.getItem(0);
  stringBuilder.delete(0, stringBuilder.length());
  stringBuilder.append(iconValue);
  adapter.notifyDataSetChanged();
}
 

private static <T> void addData(@NonNull List<T> singleDataList,
                                @NonNull ArrayAdapter<T> cellLocationDataListAdapter,
                                @Nullable T data) {
    if (data != null) {
        if (!singleDataList.contains(data)) {
            singleDataList.add(data);
            cellLocationDataListAdapter.notifyDataSetChanged();
        }
    }
}
 

private static void addData(@NonNull List<CellLocationSingleData> singleDataList,
                            @NonNull ArrayAdapter<CellLocationSingleData> cellLocationDataListAdapter,
                            @Nullable CellLocationSingleData data) {
    if (data != null) {
        if (!singleDataList.contains(data)) {
            singleDataList.add(data);
            cellLocationDataListAdapter.notifyDataSetChanged();
        }
    }
}
 

@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
    ArrayAdapter a = (ArrayAdapter)lvItemList.getAdapter();
    CheckListItem temp = (CheckListItem) a.getItem(position);
    temp.setChecked(!temp.isChecked());
    a.notifyDataSetChanged();
}
 

public boolean remove (App app)
{
	boolean modified = this.apps.remove (app);
	this.unpin (app, false);

	ArrayAdapter adapter = (ArrayAdapter) this.gvDashHomeApps.getAdapter ();
	if (adapter != null)
		adapter.notifyDataSetChanged ();

	return modified;
}
 

private void navigateToFolder(FileInfo fileInfo) {
    Log.d("navigateToFolder", "BEGIN");
    if (indexBrowser.isRoot() && PathUtils.isParent(fileInfo.getPath())) {
        showAllFoldersListView(); //navigate back to folder list
    } else {
        if (fileInfo.isDirectory()) {
            indexBrowser.navigateTo(fileInfo);
            FileInfo newFileInfo=PathUtils.isParent(fileInfo.getPath())?indexBrowser.getCurrentPathInfo():fileInfo;
            if (!indexBrowser.isCacheReadyAfterALittleWait()) {
                Log.d("navigateToFolder", "load folder cache bg");
                new AsyncTask<Void, Void, Void>() {
                    @Override
                    protected void onPreExecute() {
                        updateMainProgressBar(true,"open directory: " + (indexBrowser.isRoot() ? folderBrowser.getFolderInfo(indexBrowser.getFolder()).getLabel() : indexBrowser.getCurrentPathFileName()));
                    }

                    @Override
                    protected Void doInBackground(Void... voids) {
                        indexBrowser.waitForCacheReady();
                        return null;
                    }

                    @Override
                    protected void onPostExecute(Void aVoid) {
                        Log.d("navigateToFolder", "cache ready, navigate to folder");
                        updateMainProgressBar(false,null);
                        navigateToFolder(newFileInfo);
                    }
                }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
            } else {
                List<FileInfo> list = indexBrowser.listFiles();
                Log.i("navigateToFolder", "list for path = '" + indexBrowser.getCurrentPath() + "' list = " + list.size() + " records");
                Log.d("navigateToFolder", "list for path = '" + indexBrowser.getCurrentPath() + "' list = " + list);
                checkArgument(!list.isEmpty());//list must contain at least the 'parent' path
                ListView listView = (ListView) findViewById(R.id.main_folder_and_files_list_view);
                ArrayAdapter adapter = (ArrayAdapter) listView.getAdapter();
                adapter.clear();
                adapter.addAll(list);
                adapter.notifyDataSetChanged();
                listView.setSelection(0);
                saveCurrentFolder();
                ((TextView) findViewById(R.id.main_header_folder_label)).setText(indexBrowser.isRoot()
                        ?folderBrowser.getFolderInfo(indexBrowser.getFolder()).getLabel()
                        :newFileInfo.getFileName());
            }
        } else {
            pullFile(fileInfo);
        }
    }
    Log.d("navigateToFolder", "END");
}
 

private void setDrawerChoices() {
	m_drawerList.clearChoices();
	boolean haveContexts = false;
	boolean haveProjects = false;

	for (int i = 0; i < m_lists.size(); i++) {
		char sigil = m_lists.get(i).charAt(0);
		String item = m_lists.get(i).substring(1);

		if (sigil == '@' && m_app.m_contexts.contains(item)) {
			m_drawerList.setItemChecked(i, true);
			haveContexts = true;
		} else if (sigil == '+' && m_app.m_projects.contains(item)) {
			m_drawerList.setItemChecked(i, true);
			haveProjects = true;
		}
	}

	if (haveContexts) {
		if (!m_app.m_filters
				.contains(getString(R.string.filter_tab_contexts))) {
			m_app.m_filters.add(getString(R.string.filter_tab_contexts));
		}
	} else {
		m_app.m_filters.remove(getString(R.string.filter_tab_contexts));
		m_app.m_contexts = new ArrayList<String>();
	}

	if (haveProjects) {
		if (!m_app.m_filters
				.contains(getString(R.string.filter_tab_projects))) {
			m_app.m_filters.add(getString(R.string.filter_tab_projects));
		}
	} else {
		m_app.m_filters.remove(getString(R.string.filter_tab_projects));
		m_app.m_projects = new ArrayList<String>();
	}

	ArrayAdapter<?> adapter = (ArrayAdapter<?>) m_drawerList.getAdapter();

	if (adapter != null) {
		adapter.notifyDataSetChanged();
	}
}
 

/**
 * Sets the items of the given adapter to the specified collection
 *
 * This operation includes removing the old items (if any) and adding the new ones
 *
 * Any listeners will only be informed about the final result
 *
 * @param adapter the adapter for which to set the items
 * @param content the collection that has the new items
 */
public static <T> void setItems(final ArrayAdapter<T> adapter, final Collection<T> content) {
   	adapter.setNotifyOnChange(false);

   	adapter.clear();
   	addAll(adapter, content);

   	adapter.notifyDataSetChanged();
   }