Example usage for android.content CursorLoader CursorLoader

Introduction

In this page you can find the example usage for android.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.ogunwale.android.app.yaps.ui.PhotosActivity.java

@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
    // This is called when a new Loader needs to be created. We
    // only has one Loader, so we don't care about the ID.

    //@formatter:off
    String[] projection = new String[] { PhotosProvider.AlbumTable._ID,
            PhotosProvider.AlbumTable.COLUMN_NAME_COVER_BITMAP, PhotosProvider.AlbumTable.COLUMN_NAME_TITLE,
            PhotosProvider.AlbumTable.COLUMN_NAME_PHOTOS_COUNT,
            PhotosProvider.AlbumTable.COLUMN_NAME_LOCATION };
    String selection = String.format(Locale.getDefault(), "%s=?", PhotosProvider.AlbumTable.COLUMN_NAME_SOURCE);
    String[] selectionArgs = new String[] { String.valueOf(mSourceSelection.getValue()) };
    //@formatter:on

    // Create and return a CursorLoader that will take care of
    // creating a Cursor for the data being displayed.
    return new CursorLoader(this, PhotosProvider.AlbumTable.CONTENT_URI, projection, selection, selectionArgs,
            null);/*  w w w .  ja  va  2  s .  co m*/
}

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From source file:de.msal.shoutemo.fragments.ChatFragment.java

@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
    switch (id) {
    case LOADER_ID_MESSAGES:
        String where = null;/*from  www .  j a v a 2 s.co  m*/
        if (args != null) {
            where = args.getString("WHERE");
        }
        return new CursorLoader(getActivity(), ChatDb.Posts.CONTENT_URI, null, where, null, null);
    default:
        return null;
    }

}

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From source file:com.example.android.cupboard.EditorActivity.java

@Override
public Loader<Cursor> onCreateLoader(int i, Bundle bundle) {
    // Since the editor shows all food attributes, define a projection that contains
    // all columns from the pantry table
    String[] projection = { FoodEntry._ID, PantryContract.FoodEntry.COLUMN_FOOD_NAME,
            PantryContract.FoodEntry.COLUMN_USE_BY_DATE, PantryContract.FoodEntry.COLUMN_FOOD_AMOUNT,
            PantryContract.FoodEntry.COLUMN_FOOD_AMOUNT_UNIT };

    // This loader will execute the ContentProvider's query method on a background thread
    return new CursorLoader(this, // Parent activity context
            mCurrentFoodUri, // Query the content URI for the current food item
            projection, // Columns to include in the resulting Cursor
            null, // No selection clause
            null, // No selection arguments
            null); // Default sort order
}

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From source file:com.ncode.android.apps.schedo.ui.EventsFragment.java

@Override
public Loader<Cursor> onCreateLoader(int id, Bundle data) {
    LOGD(TAG, "onCreateLoader, id=" + id + ", data=" + data);
    final Intent intent = BaseActivity.fragmentArgumentsToIntent(data);
    Uri eventsUri = intent.getData();//from   ww w  .j  a v a 2 s  .  com
    if ((id == EventsQuery.NORMAL_TOKEN || id == EventsQuery.SEARCH_TOKEN) && eventsUri == null) {
        LOGD(TAG, "intent.getData() is null, setting to default events search");
        eventsUri = ScheduleContract.Events.CONTENT_URI;
    }
    Loader<Cursor> loader = null;
    String liveStreamedOnlySelection = UIUtils.shouldShowLiveEventsOnly(getActivity())
            ? "IFNULL(" + ScheduleContract.Events.EVENT_LIVESTREAM_URL + ",'')!=''"
            : null;
    if (id == EventsQuery.NORMAL_TOKEN) {
        LOGD(TAG, "Creating events loader for " + eventsUri + ", selection " + liveStreamedOnlySelection);
        loader = new CursorLoader(getActivity(), eventsUri, EventsQuery.NORMAL_PROJECTION,
                liveStreamedOnlySelection, null, ScheduleContract.Events.SORT_BY_TYPE_THEN_TIME);
    } else if (id == EventsQuery.SEARCH_TOKEN) {
        LOGD(TAG, "Creating search loader for " + eventsUri + ", selection " + liveStreamedOnlySelection);
        loader = new CursorLoader(getActivity(), eventsUri, EventsQuery.SEARCH_PROJECTION,
                liveStreamedOnlySelection, null, ScheduleContract.Events.SORT_BY_TYPE_THEN_TIME);
    } else if (id == TAG_METADATA_TOKEN) {
        LOGD(TAG, "Creating metadata loader");
        loader = TagMetadata.createCursorLoader(getActivity());
    }
    return loader;
}

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From source file:com.google.samples.apps.iosched.ui.SessionsFragment.java

@Override
public Loader<Cursor> onCreateLoader(int id, Bundle data) {
    LOGD(TAG, "onCreateLoader, id=" + id + ", data=" + data);
    final Intent intent = BaseActivity.fragmentArgumentsToIntent(data);
    Uri sessionsUri = intent.getData();//  ww  w .j  a  va2 s  .com
    if ((id == SessionsQuery.NORMAL_TOKEN || id == SessionsQuery.SEARCH_TOKEN) && sessionsUri == null) {
        LOGD(TAG, "intent.getData() is null, setting to default sessions search");
        sessionsUri = ScheduleContract.Sessions.CONTENT_URI;
    }
    Loader<Cursor> loader = null;
    String liveStreamedOnlySelection = UIUtils.shouldShowLiveSessionsOnly(getActivity())
            ? "IFNULL(" + ScheduleContract.Sessions.SESSION_LIVESTREAM_URL + ",'')!=''"
            : null;
    if (id == SessionsQuery.NORMAL_TOKEN) {
        LOGD(TAG, "Creating sessions loader for " + sessionsUri + ", selection " + liveStreamedOnlySelection);
        loader = new CursorLoader(getActivity(), sessionsUri, SessionsQuery.NORMAL_PROJECTION,
                liveStreamedOnlySelection, null, ScheduleContract.Sessions.SORT_BY_TYPE_THEN_TIME);
    } else if (id == SessionsQuery.SEARCH_TOKEN) {
        LOGD(TAG, "Creating search loader for " + sessionsUri + ", selection " + liveStreamedOnlySelection);
        loader = new CursorLoader(getActivity(), sessionsUri, SessionsQuery.SEARCH_PROJECTION,
                liveStreamedOnlySelection, null, ScheduleContract.Sessions.SORT_BY_TYPE_THEN_TIME);
    } else if (id == TAG_METADATA_TOKEN) {
        LOGD(TAG, "Creating metadata loader");
        loader = TagMetadata.createCursorLoader(getActivity());
    }
    return loader;
}

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From source file:com.antew.redditinpictures.library.ui.RedditFragmentActivity.java

@Override
public Loader<Cursor> onCreateLoader(int id, Bundle paramBundle) {
    switch (id) {
    case Constants.Loader.LOADER_LOGIN:
        return new CursorLoader(this, RedditContract.Login.CONTENT_URI, null, null, null,
                RedditContract.Login.DEFAULT_SORT);
    default:/*  w w w  . j a v a2  s .  co m*/
        return super.onCreateLoader(id, paramBundle);
    }
}

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From source file:com.hackensack.umc.activity.ProfileActivity.java

private String getPath(Uri uri) {
    String[] data = { MediaStore.Images.Media.DATA };
    CursorLoader loader = new CursorLoader(ProfileActivity.this, uri, data, null, null, null);
    Cursor cursor = loader.loadInBackground();
    int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
    cursor.moveToFirst();// w w  w .j  a v a  2  s.c om
    return cursor.getString(column_index);
}

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From source file:com.buddi.client.dfu.DfuActivity.java

@Override
public Loader<Cursor> onCreateLoader(final int id, final Bundle args) {
    final Uri uri = args.getParcelable(EXTRA_URI);
    /*/*from  w w w  .j av a 2 s.  com*/
     * Some apps, f.e. Google Drive allow to select file that is not on the device. There is no "_data" column handled by that provider. Let's try to obtain all columns and than check
     * which columns are present.
     */
    //final String[] projection = new String[] { MediaStore.MediaColumns.DISPLAY_NAME, MediaStore.MediaColumns.SIZE, MediaStore.MediaColumns.DATA };
    return new CursorLoader(this, uri, null /* all columns, instead of projection */, null, null, null);
}

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From source file:spring16.cs442.com.obtchat_10.BluetoothChatFragment.java

public void onActivityResult(int requestCode, int resultCode, Intent data) {
    switch (requestCode) {
    case REQUEST_CONNECT_DEVICE_SECURE:
        // When DeviceListActivity returns with a device to connect
        if (resultCode == Activity.RESULT_OK) {
            connectDevice(data, true);//from w  ww .  j a v a2 s . co  m
        }
        break;
    case REQUEST_CONNECT_DEVICE_INSECURE:
        // When DeviceListActivity returns with a device to connect
        if (resultCode == Activity.RESULT_OK) {
            connectDevice(data, false);
        }
        break;
    case REQUEST_ENABLE_BT:
        // When the request to enable Bluetooth returns
        if (resultCode == Activity.RESULT_OK) {
            // Bluetooth is now enabled, so set up a chat session
            setupChat();
        } else {
            // User did not enable Bluetooth or an error occurred
            //Log.d(TAG, "BT not enabled");
            Toast.makeText(self, R.string.bt_not_enabled_leaving, Toast.LENGTH_SHORT).show();
            //getActivity().finish();
        }
        break;
    case 44:
        if (resultCode == Activity.RESULT_OK && data != null) {
            String realPath;
            // SDK < API11
            if (Build.VERSION.SDK_INT < 11)
                realPath = RealPathUtil.getRealPathFromURI_BelowAPI11(this, data.getData());

            // SDK >= 11 && SDK < 19
            else if (Build.VERSION.SDK_INT < 19)
                realPath = RealPathUtil.getRealPathFromURI_API11to18(this, data.getData());

            // SDK > 19 (Android 4.4)
            else
                realPath = RealPathUtil.getRealPathFromURI_API19(this, data.getData());

            //setTextViews(Build.VERSION.SDK_INT, data.getData().getPath(),realPath);

            //Toast.makeText(MainActivity.this, file.toString(), Toast.LENGTH_LONG).show();

            Uri uritoSend = Uri.fromFile(new File(realPath));
            Intent intent = new Intent();
            intent.setAction(Intent.ACTION_SEND);
            intent.setType("image/*");

            //String uri = uritoSend;
            intent.putExtra(Intent.EXTRA_STREAM, uritoSend);
            startActivity(intent);

        }
    }
    LinearLayout layout = (LinearLayout) findViewById(R.id.chatFragment);
    if (resultCode == RESULT_OK) {
        if (requestCode == 1888) {
            Bitmap thumbnail = (Bitmap) data.getExtras().get("data");
            ByteArrayOutputStream bytes = new ByteArrayOutputStream();
            thumbnail.compress(Bitmap.CompressFormat.JPEG, 90, bytes);
            File destination = new File(Environment.getExternalStorageDirectory(),
                    System.currentTimeMillis() + ".jpg");
            FileOutputStream fo;
            try {
                destination.createNewFile();
                fo = new FileOutputStream(destination);
                fo.write(bytes.toByteArray());
                fo.close();
            } catch (FileNotFoundException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            }
            Drawable d = Drawable.createFromPath(destination.getPath());
            layout.setBackgroundDrawable(d);

            //ivImage.setImageBitmap(thumbnail);
        } else if (requestCode == 79) {
            Uri selectedImageUri = data.getData();
            String[] projection = { MediaStore.MediaColumns.DATA };
            CursorLoader cursorLoader = new CursorLoader(this, selectedImageUri, projection, null, null, null);
            Cursor cursor = cursorLoader.loadInBackground();
            int column_index = cursor.getColumnIndexOrThrow(MediaStore.MediaColumns.DATA);
            cursor.moveToFirst();
            String selectedImagePath = cursor.getString(column_index);
            Bitmap bm;
            BitmapFactory.Options options = new BitmapFactory.Options();
            options.inJustDecodeBounds = true;
            BitmapFactory.decodeFile(selectedImagePath, options);
            final int REQUIRED_SIZE = 200;
            int scale = 1;
            while (options.outWidth / scale / 2 >= REQUIRED_SIZE
                    && options.outHeight / scale / 2 >= REQUIRED_SIZE)
                scale *= 2;
            options.inSampleSize = scale;
            options.inJustDecodeBounds = false;
            bm = BitmapFactory.decodeFile(selectedImagePath, options);

            Drawable d = Drawable.createFromPath(selectedImagePath);
            layout.setBackgroundDrawable(d);

        }
    }
}

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From source file:com.antew.redditinpictures.library.ui.base.BaseFragmentActivityWithMenu.java

/**
 * Instantiate and return a new Loader for the given ID.
 *
 * @param id/*from   ww w. j  a  va 2 s.co  m*/
 *     The ID whose loader is to be created.
 * @param args
 *     Any arguments supplied by the caller.
 *
 * @return Return a new Loader instance that is ready to start loading.
 */
@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
    switch (id) {
    case Constants.Loader.LOADER_SUBREDDITS:
        String selection = null;
        String[] selectionArgs = null;

        if (args != null && args.containsKey(Constants.Extra.EXTRA_QUERY)) {
            String query = args.getString(Constants.Extra.EXTRA_QUERY);

            if (Strings.notEmpty(query)) {
                selection = RedditContract.SubredditColumns.DISPLAY_NAME + " LIKE ?";
                selectionArgs = new String[] { "%" + query + "%" };
            }
        }
        return new CursorLoader(this, RedditContract.Subreddits.CONTENT_URI,
                RedditContract.Subreddits.SUBREDDITS_PROJECTION, selection, selectionArgs, mSubredditSort);
    }

    return null;
}

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