How to use

notifyDataSetChanged

method

in

android.widget.ArrayAdapter

@Override
public void notifyDatasetChanged() {
  super.notifyDataSetChanged();
}

 @Override
 public void run() {
  mPortList.add(entry);
  mListAdapter.notifyDataSetChanged();
 }
});

 @Subscribe public void onLocationCleared(LocationClearEvent event) {
  locationEvents.clear();
  if (adapter != null) {
   adapter.notifyDataSetChanged();
  }
 }
}

@SuppressLint("InflateParams")
void renameSession(final TerminalSession sessionToRename) {
  DialogUtils.textInput(this, R.string.session_rename_title, sessionToRename.mSessionName, R.string.session_rename_positive_button, text -> {
    sessionToRename.mSessionName = text;
    mListViewAdapter.notifyDataSetChanged();
  }, -1, null, -1, null, null);
}

 final ArrayAdapter adapter = ((ArrayAdapter)getListAdapter());
runOnUiThread(new Runnable() {
  public void run() {
    adapter.notifyDataSetChanged();
  }
});

@Subscribe public void onLocationChanged(LocationChangedEvent event) {
 locationEvents.add(0, event.toString());
 if (adapter != null) {
  adapter.notifyDataSetChanged();
 }
}

 @Override
 public void onNext(Pair<User, Contributor> pair) {
  User user = pair.first;
  Contributor contributor = pair.second;
  _adapter.add(
    format(
      "%s(%s) has made %d contributions to %s",
      user.name,
      user.email,
      contributor.contributions,
      _repo.getText().toString()));
  _adapter.notifyDataSetChanged();
  Timber.d(
    "%s(%s) has made %d contributions to %s",
    user.name,
    user.email,
    contributor.contributions,
    _repo.getText().toString());
 }
}));

   @Override
   public void run() {
String addr;
if (name != null && !name.isEmpty()) {
 addr = name + " [" + address + "]";
} else {
 addr = address;
}
     if (usec > 0)
       mListAdapter.add(addr + " ( " + formatTime(usec) + " )");
     else
       mListAdapter.add(addr + getString(R.string.untraced_hops));
     mListAdapter.notifyDataSetChanged();
   }
 });

@Override
public void onStart() {
  super.onStart();
  mIsVisible = true;
  if (mTermService != null) {
    // The service has connected, but data may have changed since we were last in the foreground.
    switchToSession(getStoredCurrentSessionOrLast());
    mListViewAdapter.notifyDataSetChanged();
  }
  registerReceiver(mBroadcastReceiever, new IntentFilter(RELOAD_STYLE_ACTION));
  // The current terminal session may have changed while being away, force
  // a refresh of the displayed terminal:
  mTerminalView.onScreenUpdated();
}

/**
 * 查询全国所有的省，优先从数据库查询，如果没有查询到再去服务器上查询。
 */
private void queryProvinces() {
  titleText.setText("中国");
  backButton.setVisibility(View.GONE);
  provinceList = DataSupport.findAll(Province.class);
  if (provinceList.size() > 0) {
    dataList.clear();
    for (Province province : provinceList) {
      dataList.add(province.getProvinceName());
    }
    adapter.notifyDataSetChanged();
    listView.setSelection(0);
    currentLevel = LEVEL_PROVINCE;
  } else {
    String address = "http://guolin.tech/api/china";
    queryFromServer(address, "province");
  }
}

@Override
public void onTitleChanged(TerminalSession updatedSession) {
  if (!mIsVisible) return;
  if (updatedSession != getCurrentTermSession()) {
    // Only show toast for other sessions than the current one, since the user
    // probably consciously caused the title change to change in the current session
    // and don't want an annoying toast for that.
    showToast(toToastTitle(updatedSession), false);
  }
  mListViewAdapter.notifyDataSetChanged();
}

public void removeFinishedSession(TerminalSession finishedSession) {
  // Return pressed with finished session - remove it.
  TermuxService service = mTermService;
  int index = service.removeTermSession(finishedSession);
  mListViewAdapter.notifyDataSetChanged();
  if (mTermService.getSessions().isEmpty()) {
    // There are no sessions to show, so finish the activity.
    finish();
  } else {
    if (index >= service.getSessions().size()) {
      index = service.getSessions().size() - 1;
    }
    switchToSession(service.getSessions().get(index));
  }
}

/**
 * 查询选中省内所有的市，优先从数据库查询，如果没有查询到再去服务器上查询。
 */
private void queryCities() {
  titleText.setText(selectedProvince.getProvinceName());
  backButton.setVisibility(View.VISIBLE);
  cityList = DataSupport.where("provinceid = ?", String.valueOf(selectedProvince.getId())).find(City.class);
  if (cityList.size() > 0) {
    dataList.clear();
    for (City city : cityList) {
      dataList.add(city.getCityName());
    }
    adapter.notifyDataSetChanged();
    listView.setSelection(0);
    currentLevel = LEVEL_CITY;
  } else {
    int provinceCode = selectedProvince.getProvinceCode();
    String address = "http://guolin.tech/api/china/" + provinceCode;
    queryFromServer(address, "city");
  }
}

protected void refreshView() {
  adapter.setNotifyOnChange(false);
  adapter.clear();
  identities = mAccount.getIdentities();
  for (Identity identity : identities) {
    String description = identity.getDescription();
    if (description == null || description.trim().isEmpty()) {
      description = getString(R.string.message_view_from_format, identity.getName(), identity.getEmail());
    }
    adapter.add(description);
  }
  adapter.notifyDataSetChanged();
}

/**
 * 查询选中市内所有的县，优先从数据库查询，如果没有查询到再去服务器上查询。
 */
private void queryCounties() {
  titleText.setText(selectedCity.getCityName());
  backButton.setVisibility(View.VISIBLE);
  countyList = DataSupport.where("cityid = ?", String.valueOf(selectedCity.getId())).find(County.class);
  if (countyList.size() > 0) {
    dataList.clear();
    for (County county : countyList) {
      dataList.add(county.getCountyName());
    }
    adapter.notifyDataSetChanged();
    listView.setSelection(0);
    currentLevel = LEVEL_COUNTY;
  } else {
    int provinceCode = selectedProvince.getProvinceCode();
    int cityCode = selectedCity.getCityCode();
    String address = "http://guolin.tech/api/china/" + provinceCode + "/" + cityCode;
    queryFromServer(address, "county");
  }
}

void noteSessionInfo() {
  if (!mIsVisible) return;
  TerminalSession session = getCurrentTermSession();
  final int indexOfSession = mTermService.getSessions().indexOf(session);
  showToast(toToastTitle(session), false);
  mListViewAdapter.notifyDataSetChanged();
  final ListView lv = findViewById(R.id.left_drawer_list);
  lv.setItemChecked(indexOfSession, true);
  lv.smoothScrollToPosition(indexOfSession);
}

@Override
public void onSessionFinished(final TerminalSession finishedSession) {
  if (mTermService.mWantsToStop) {
    // The service wants to stop as soon as possible.
    finish();
    return;
  }
  if (mIsVisible && finishedSession != getCurrentTermSession()) {
    // Show toast for non-current sessions that exit.
    int indexOfSession = mTermService.getSessions().indexOf(finishedSession);
    // Verify that session was not removed before we got told about it finishing:
    if (indexOfSession >= 0)
      showToast(toToastTitle(finishedSession) + " - exited", true);
  }
  if (mTermService.getSessions().size() > 1) {
    removeFinishedSession(finishedSession);
  }
  mListViewAdapter.notifyDataSetChanged();
}

EhDB.insertQuickSearch(quickSearch);
list.add(quickSearch);
adapter.notifyDataSetChanged();

listViewDetected.setAdapter(detectedAdapter);
listItemClicked = new ListItemClicked();
detectedAdapter.notifyDataSetChanged();
listViewPaired.setAdapter(adapter);
      detectedAdapter.notifyDataSetChanged();
        detectedAdapter.notifyDataSetChanged();

/**
 * Publish the results to the user-interface.
 * {@inheritDoc}
 */
@SuppressWarnings("unchecked")
@Override
protected void publishResults(CharSequence constraint, FilterResults results) {
  // Don't notify for every change
  mFolders.setNotifyOnChange(false);
  try {
    //noinspection unchecked
    final List<T> folders = (List<T>) results.values;
    mFolders.clear();
    if (folders != null) {
      for (T folder : folders) {
        if (folder != null) {
          mFolders.add(folder);
        }
      }
    } else {
      Timber.w("FolderListFilter.publishResults - null search-result ");
    }
    // Send notification that the data set changed now
    mFolders.notifyDataSetChanged();
  } finally {
    // restore notification status
    mFolders.setNotifyOnChange(true);
  }
}