Example usage for android.support.v4.content CursorLoader CursorLoader

Introduction

In this page you can find the example usage for android.support.v4.content CursorLoader CursorLoader.

Prototype

public CursorLoader(Context context, Uri uri, String[] projection, String selection, String[] selectionArgs,
        String sortOrder)

Source Link

Document

Creates a fully-specified CursorLoader.

Usage

From source file:com.example.android.honeypad.ui.NoteListFragment.java

public Loader<Cursor> onCreateLoader(int id, Bundle args) {
    // This is called when a new Loader needs to be created. This
    // sample only has one Loader, so we don't care about the ID.
    return new CursorLoader(getActivity(), NotesProvider.CONTENT_URI, NotesQuery.PROJECTION, null, null,
            NotesProvider.KEY_TITLE + " COLLATE LOCALIZED ASC");
}

From source file:com.example.android.gcncouponalert.app.DetailFragment.java

@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
    if (null != mUri) {
        // Now create and return a CursorLoader that will take care of
        // creating a Cursor for the data being displayed.
        return new CursorLoader(getActivity(),
                //getContext(),
                mUri, DETAIL_COLUMNS, null, null, null);
    }//from  w  w  w . j  a v  a 2s. c  o m
    return null;
}

From source file:com.feathercoin.wallet.feathercoin.ui.AmountCalculatorFragment.java

public Loader<Cursor> onCreateLoader(final int id, final Bundle args) {
    return new CursorLoader(activity, ExchangeRatesProvider.contentUri(activity.getPackageName()), null,
            ExchangeRatesProvider.KEY_CURRENCY_CODE, new String[] { exchangeCurrency }, null);
}

From source file:com.fbartnitzek.tasteemall.mainpager.DrinkPagerFragment.java

@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
    Log.v(LOG_TAG,/*from  w w  w. jav  a2s  . c om*/
            "onCreateLoader, hashCode=" + this.hashCode() + ", " + "id = [" + id + "], args = [" + args + "]");
    switch (id) {
    case DRINK_LOADER_ID:

        String pattern = ((MainActivity) getActivity()).getSearchPattern();
        String drinkType = Utils.getDrinkTypeFromSharedPrefs(getActivity(), true);

        if (jsonUri == null) {
            // private static final String DRINKS_OR_PRODUCERS_BY_NAME_AND_TYPE_SELECTION =
            //                    "(" + DA + "." + Drink.NAME + " LIKE ? OR " + PA + "." + Producer.NAME + " LIKE ?)" +
            //                            " AND " + DA + "." + Drink.TYPE + " = ?";

            // TODO: performance of static jsonObject...?

            Log.v(LOG_TAG, "onCreateLoader before jsonCreation, hashCode=" + this.hashCode() + ", " + "id = ["
                    + id + "], args = [" + args + "]");
            try {
                String encodedValue = DatabaseContract.encodeValue(pattern);
                if (jsonTextFilter == null) { //reuse it every time
                    jsonTextFilter = new JSONObject().put(Drink.ENTITY,
                            new JSONObject().put(DatabaseContract.OR,
                                    new JSONObject().put(Drink.ENTITY,
                                            new JSONObject().put(Drink.NAME, new JSONObject()).put(
                                                    Producer.ENTITY,
                                                    new JSONObject().put(Producer.NAME, new JSONObject())))));
                }

                jsonTextFilter.getJSONObject(Drink.ENTITY).getJSONObject(DatabaseContract.OR)
                        .getJSONObject(Drink.ENTITY).getJSONObject(Drink.NAME)
                        .put(DatabaseContract.Operations.CONTAINS, encodedValue);
                jsonTextFilter.getJSONObject(Drink.ENTITY).getJSONObject(DatabaseContract.OR)
                        .getJSONObject(Drink.ENTITY).getJSONObject(Producer.ENTITY).getJSONObject(Producer.NAME)
                        .put(DatabaseContract.Operations.CONTAINS, encodedValue);

                if (Drink.TYPE_ALL.equals(drinkType)) {
                    jsonTextFilter.getJSONObject(Drink.ENTITY).remove(Drink.TYPE);
                } else {
                    jsonTextFilter.getJSONObject(Drink.ENTITY).put(Drink.TYPE, new JSONObject()
                            .put(DatabaseContract.Operations.IS, DatabaseContract.encodeValue(drinkType)));
                }

                jsonUri = DatabaseContract.buildUriWithJson(jsonTextFilter);
                Log.v(LOG_TAG, "onCreateLoader after jsonCreation, hashCode=" + this.hashCode() + ", "
                        + "id = [" + id + "], args = [" + args + "]");
            } catch (JSONException | UnsupportedEncodingException e) {
                e.printStackTrace();
                Log.e(LOG_TAG, "onCreateLoader building jsonUri failed, hashCode=" + this.hashCode() + ", "
                        + "pattern= [" + pattern + "], drinkType= [" + drinkType + "]");
                throw new RuntimeException("building jsonUri failed");
            }
        }

        return new CursorLoader(getActivity(), jsonUri,
                QueryColumns.MainFragment.DrinkWithProducerQuery.COLUMNS, null, null,
                DatabaseContract.ProducerEntry.ALIAS + "." + Producer.NAME + ", "
                        + DatabaseContract.DrinkEntry.ALIAS + "." + Drink.NAME);

    default:
        throw new RuntimeException("wrong loader_id in DrinkPagerFragment...");
    }
}

From source file:com.gbozza.android.stockhawk.ui.StockFragment.java

@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
    return new CursorLoader(mContext, Contract.Quote.URI, Contract.Quote.QUOTE_COLUMNS.toArray(new String[] {}),
            null, null, Contract.Quote.COLUMN_SYMBOL);
}

From source file:com.alboteanu.android.sunshine.app.DetailFragment.java

@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
    if (null != mUri) {
        // Now create and return a CursorLoader that will take care of
        // creating a Cursor for the data being displayed.
        return new CursorLoader(getActivity(), mUri, DETAIL_COLUMNS, null, null, null);
    }/* w ww  .java  2 s  . c o m*/
    ViewParent vp = getView().getParent();
    if (vp instanceof CardView) {
        ((View) vp).setVisibility(View.INVISIBLE);
    }
    return null;
}

From source file:com.adkdevelopment.earthquakesurvival.ui.RecentFragment.java

@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {

    int sort = Utilities.getSortingPreference(getContext());
    String sortingPreference = EarthquakeColumns.TIME;

    String sortOrder = " DESC";
    switch (sort) {
    case EarthquakeObject.SORT_MAGNITUDE:
        sortingPreference = EarthquakeColumns.MAG;
        break;/*from  ww  w.  ja  v a 2  s. com*/
    case EarthquakeObject.SORT_TIME:
        sortingPreference = EarthquakeColumns.TIME;
        break;
    case EarthquakeObject.SORT_DISTANCE:
        sortingPreference = EarthquakeColumns.DISTANCE;
        sortOrder = " ASC";
        break;
    }

    return new CursorLoader(getActivity(), EarthquakeColumns.CONTENT_URI, null, EarthquakeColumns.MAG + " >= ?",
            new String[] { String.valueOf(Utilities.getMagnitudePrefs(getContext())) },
            sortingPreference + sortOrder);
}

From source file:com.dustinmreed.openwifi.DetailFragment.java

@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
    if (null != mUri) {
        Log.e(LOG_TAG, mUri.toString());
        // Now create and return a CursorLoader that will take care of
        // creating a Cursor for the data being displayed.
        return new CursorLoader(getActivity(), mUri, DETAIL_COLUMNS, null, null, null);
    }/*from www.j  av a2  s.com*/
    return null;
}

From source file:ca.qc.bdeb.info.horus.ForecastFragment.java

@Override
public Loader<Cursor> onCreateLoader(int i, Bundle bundle) {
    // This is called when a new Loader needs to be created.  This
    // fragment only uses one loader, so we don't care about checking the id.

    // To only show current and future dates, filter the query to return weather only for
    // dates after or including today.

    // Sort order:  Ascending, by date.
    String sortOrder = WeatherContract.WeatherEntry.COLUMN_DATE + " ASC";

    String locationSetting = Utility.getPreferredLocation(getActivity());
    Uri weatherForLocationUri = WeatherContract.WeatherEntry.buildWeatherLocationWithStartDate(locationSetting,
            System.currentTimeMillis());

    return new CursorLoader(getActivity(), weatherForLocationUri, FORECAST_COLUMNS, null, null, sortOrder);
}

From source file:com.g11x.checklistapp.ChecklistItemActivity.java

@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
    if (checklistContentObserver != null) {
        getContentResolver().unregisterContentObserver(checklistContentObserver);
    }/*w w  w  .  j a  va  2s . c  om*/
    checklistContentObserver = new ContentObserver(new Handler()) {
        @Override
        public void onChange(boolean selfChange) {
            getSupportLoaderManager().restartLoader(LOADER_ID, null, ChecklistItemActivity.this);
            super.onChange(selfChange);
        }

        @Override
        public void onChange(boolean selfChange, Uri uri) {
            getSupportLoaderManager().restartLoader(LOADER_ID, null, ChecklistItemActivity.this);
            super.onChange(selfChange, uri);
        }
    };
    getContentResolver().registerContentObserver(Database.ChecklistItem.CONTENT_URI, true,
            checklistContentObserver);

    return new CursorLoader(ChecklistItemActivity.this, Database.ChecklistItem.CONTENT_URI,
            ChecklistItem.PROJECTION, null, null, null);
}