Example usage for android.database Cursor moveToPosition

List of usage examples for android.database Cursor moveToPosition

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Introduction

In this page you can find the example usage for android.database Cursor moveToPosition.

Prototype

boolean moveToPosition(int position);

Source Link

Document

Move the cursor to an absolute position.

Usage

From source file:org.andstatus.app.msg.TimelineActivity.java

/**
 * @param position Of current item in the underlying Cursor
 * @return id of the User linked to this message. This link reflects the User's timeline 
 * or an Account which was used to retrieved the message
 *///from w  w  w. java  2s .  c  om
@Override
public long getLinkedUserIdFromCursor(int position) {
    long userId = 0;
    try {
        Cursor cursor = null;
        if (getListAdapter() != null) {
            cursor = ((CursorAdapter) getListAdapter()).getCursor();
        }
        if (cursor != null && !cursor.isClosed()) {
            cursor.moveToPosition(position);
            int columnIndex = cursor.getColumnIndex(User.LINKED_USER_ID);
            if (columnIndex > -1) {
                userId = cursor.getLong(columnIndex);
            }
        }
    } catch (Exception e) {
        MyLog.v(this, e);
    }
    return userId;
}

From source file:prince.app.sphotos.util.ImageWorker.java

public Bitmap loadImageThumbNailFromSDCard(Object params) {
    Bitmap bitmap = null;//from  w  w  w.  j  a  v  a  2  s.c  o m
    Uri uri = null;
    int columnIndex = 0;

    // Set up an array of the  Image ID column we want
    String[] projection = { MediaStore.Images.Thumbnails._ID };

    // Create the cursor pointing to the SDCard
    Cursor cursor = mContext.getContentResolver().query(MediaStore.Images.Thumbnails.EXTERNAL_CONTENT_URI,
            projection, // Which columns to return
            null, // Return all rows
            null, MediaStore.Images.Thumbnails._ID);

    if (cursor != null) {
        columnIndex = cursor.getColumnIndexOrThrow(MediaStore.Images.Thumbnails._ID);
        int size = cursor.getCount();

        // If size is 0, there are no images on the SD Card.
        if (size == 0) {
            //   Context context = getApplicationContext();
            CharSequence text = "No Images Found!";
            int duration = Toast.LENGTH_LONG;
            Toast.makeText(mContext, text, duration).show();
            ((Activity) mContext).finish(); // close the activity
        }

        int imageID = 0;
        cursor.moveToPosition((Integer) params);
        imageID = cursor.getInt(columnIndex);
        uri = Uri.withAppendedPath(MediaStore.Images.Thumbnails.EXTERNAL_CONTENT_URI, "" + imageID);
        Log.d(TAG, uri.getPath());
        try {
            // First decode with inJustDecodeBounds=true to check dimensions
            final BitmapFactory.Options options = new BitmapFactory.Options();
            options.inJustDecodeBounds = true;
            BitmapFactory.decodeStream(mContext.getContentResolver().openInputStream(uri), null, options);

            // Calculate inSampleSize
            options.inSampleSize = ImageResizer.calculateInSampleSize(options, 110, 110);
            if (Global.hasHoneycomb()) {
                ImageResizer.addInBitmapOptions(options, mImageCache);
            }

            // Decode bitmap with inSampleSize set
            options.inJustDecodeBounds = false;
            bitmap = BitmapFactory.decodeStream(mContext.getContentResolver().openInputStream(uri), null,
                    options);
            if (bitmap != null) {
                cursor.close();
                return bitmap;
            }
        } catch (IOException e) {
            //Error fetching image, try to recover
            //   return loadImageThumbNailFromSDCard(params);
        }
    }

    cursor.close();
    return null;
}

From source file:com.money.manager.ex.common.AllDataListFragment.java

private Money getTotalFromCursor(Cursor cursor) {
    Money total = MoneyFactory.fromString("0");
    int originalPosition = cursor.getPosition();
    AllDataAdapter adapter = getAllDataAdapter();
    CurrencyService currencyService = new CurrencyService(getContext());
    int baseCurrencyId = currencyService.getBaseCurrencyId();
    ContentValues values = new ContentValues();

    int currencyId;
    Money amount;/*ww w  .  j av  a 2  s. c  o m*/
    Money converted;
    String transType;
    TransactionTypes transactionType;

    cursor.moveToPosition(Constants.NOT_SET);

    while (cursor.moveToNext()) {
        values.clear();

        // Read needed data.
        DatabaseUtils.cursorStringToContentValues(cursor, adapter.TRANSACTIONTYPE, values);
        DatabaseUtils.cursorIntToContentValues(cursor, adapter.CURRENCYID, values);
        DatabaseUtils.cursorIntToContentValues(cursor, adapter.TOCURRENCYID, values);
        DatabaseUtils.cursorDoubleToCursorValues(cursor, adapter.AMOUNT, values);
        DatabaseUtils.cursorDoubleToCursorValues(cursor, adapter.TOAMOUNT, values);

        transType = values.getAsString(adapter.TRANSACTIONTYPE);
        transactionType = TransactionTypes.valueOf(transType);

        if (transactionType.equals(TransactionTypes.Transfer)) {
            currencyId = values.getAsInteger(adapter.TOCURRENCYID);
            amount = MoneyFactory.fromString(values.getAsString(adapter.TOAMOUNT));
        } else {
            currencyId = values.getAsInteger(adapter.CURRENCYID);
            amount = MoneyFactory.fromString(values.getAsString(adapter.AMOUNT));
        }

        converted = currencyService.doCurrencyExchange(baseCurrencyId, amount, currencyId);
        total = total.add(converted);
    }

    cursor.moveToPosition(originalPosition);

    return total;
}

From source file:com.visva.voicerecorder.view.fragments.FragmentContact.java

@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
    // This swaps the new cursor into the adapter.
    if (loader.getId() == ContactsQuery.QUERY_ID) {
        mAdapter.swapCursor(data);/*from  w  w  w  .  j a v  a 2s . com*/

        // If this is a two-pane layout and there is a search query then
        // there is some additional work to do around default selected
        // search item.
        if (mIsTwoPaneLayout && !TextUtils.isEmpty(mSearchTerm) && mSearchQueryChanged) {
            // Selects the first item in results, unless this fragment has
            // been restored from a saved state (like orientation change)
            // in which case it selects the previously selected search item.
            if (data != null && data.moveToPosition(mPreviouslySelectedSearchItem)) {
                // Creates the content Uri for the previously selected contact by appending the
                // contact's ID to the Contacts table content Uri
                final Uri uri = Uri.withAppendedPath(Contacts.CONTENT_URI,
                        String.valueOf(data.getLong(ContactsQuery.ID)));
                mOnContactSelectedListener.onContactSelected(uri);
                mListContact.setItemChecked(mPreviouslySelectedSearchItem, true);
            } else {
                // No results, clear selection.
                onSelectionCleared();
            }
            // Only restore from saved state one time. Next time fall back
            // to selecting first item. If the fragment state is saved again
            // then the currently selected item will once again be saved.
            mPreviouslySelectedSearchItem = 0;
            mSearchQueryChanged = false;
        }
    }
}

From source file:com.tavant.droid.womensecurity.fragments.ContactsListFragment.java

@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
    // This swaps the new cursor into the adapter.
    if (loader.getId() == ContactsQuery.QUERY_ID) {
        mAdapter.swapCursor(data);//ww w .  j av  a  2  s .com

        if (!TextUtils.isEmpty(mSearchTerm) && mSearchQueryChanged) {
            // Selects the first item in results, unless this fragment has
            // been restored from a saved state (like orientation change)
            // in which case it selects the previously selected search item.
            if (data != null && data.moveToPosition(mPreviouslySelectedSearchItem)) {
                // Creates the content Uri for the previously selected
                // contact by appending the
                // contact's ID to the Contacts table content Uri
                final Uri uri = Uri.withAppendedPath(Contacts.CONTENT_URI,
                        String.valueOf(data.getLong(ContactsQuery.ID)));
                mOnContactSelectedListener.onContactSelected(uri);
                getListView().setItemChecked(mPreviouslySelectedSearchItem, true);
            } else {
                // No results, clear selection.
                onSelectionCleared();
            }
            // Only restore from saved state one time. Next time fall back
            // to selecting first item. If the fragment state is saved again
            // then the currently selected item will once again be saved.
            mPreviouslySelectedSearchItem = 0;
            mSearchQueryChanged = false;
        }
    }
}

From source file:edu.umbc.cs.ebiquity.mithril.parserapp.contentparsers.contacts.ContactsListFragment.java

private void getData() {
    Cursor data = getContacts();
    mAdapter.swapCursor(data);// w ww  .  jav  a2  s  .c  o  m

    // If this is a two-pane layout and there is a search query then
    // there is some additional work to do around default selected
    // search item.
    if (mIsTwoPaneLayout && !TextUtils.isEmpty(mSearchTerm) && mSearchQueryChanged) {
        // Selects the first item in results, unless this fragment has
        // been restored from a saved state (like orientation change)
        // in which case it selects the previously selected search item.
        if (data != null && data.moveToPosition(mPreviouslySelectedSearchItem)) {
            // Creates the content Uri for the previously selected contact by appending the
            // contact's ID to the Contacts table content Uri
            final Uri uri = Uri.withAppendedPath(Contacts.CONTENT_URI,
                    String.valueOf(data.getLong(ContactsQuery.ID)));
            mOnContactSelectedListener.onContactSelected(uri);
            getListView().setItemChecked(mPreviouslySelectedSearchItem, true);
        } else {
            // No results, clear selection.
            onSelectionCleared();
        }
        // Only restore from saved state one time. Next time fall back
        // to selecting first item. If the fragment state is saved again
        // then the currently selected item will once again be saved.
        mPreviouslySelectedSearchItem = 0;
        mSearchQueryChanged = false;
    }
}

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

@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
    mForecastAdapter.swapCursor(data);/*from   www . j  av  a  2  s .c  o m*/
    updateEmptyView();
    if (data.getCount() == 0) {
        getActivity().supportStartPostponedEnterTransition();
    } else {
        mRecyclerView.getViewTreeObserver().addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {
            @Override
            public boolean onPreDraw() {
                // Since we know we're going to get items, we keep the listener around until
                // we see Children.
                if (mRecyclerView.getChildCount() > 0) {
                    mRecyclerView.getViewTreeObserver().removeOnPreDrawListener(this);
                    int position = mForecastAdapter.getSelectedItemPosition();
                    if (position == RecyclerView.NO_POSITION && -1 != mInitialSelectedDate) {
                        Cursor data = mForecastAdapter.getCursor();
                        int count = data.getCount();
                        int dateColumn = data.getColumnIndex(WeatherContract.WeatherEntry.COLUMN_DATE);
                        for (int i = 0; i < count; i++) {
                            data.moveToPosition(i);
                            if (data.getLong(dateColumn) == mInitialSelectedDate) {
                                position = i;
                                break;
                            }
                        }
                    }
                    if (position == RecyclerView.NO_POSITION)
                        position = 0;
                    // If we don't need to restart the loader, and there's a desired position to restore
                    // to, do so now.
                    mRecyclerView.smoothScrollToPosition(position);
                    RecyclerView.ViewHolder vh = mRecyclerView.findViewHolderForAdapterPosition(position);
                    if (null != vh && mAutoSelectView) {
                        mForecastAdapter.selectView(vh);
                    }
                    if (mHoldForTransition) {
                        getActivity().supportStartPostponedEnterTransition();
                    }
                    return true;
                }
                return false;
            }
        });
    }

}

From source file:com.example.android.sunshineapp.ForecastFragment.java

@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
    mForecastAdapter.swapCursor(data);//ww w.  j  a  v  a 2s  . co m
    updateEmptyView();
    if (data.getCount() == 0) {
        getActivity().supportStartPostponedEnterTransition();
    } else {
        mRecyclerView.getViewTreeObserver().addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {
            @Override
            public boolean onPreDraw() {
                // Since we know we're going to get items, we keep the listener around until
                // we see Children.
                if (mRecyclerView.getChildCount() > 0) {
                    mRecyclerView.getViewTreeObserver().removeOnPreDrawListener(this);
                    int position = mForecastAdapter.getSelectedItemPosition();
                    if (position == RecyclerView.NO_POSITION && -1 != mInitialSelectedDate) {
                        Cursor data = mForecastAdapter.getCursor();
                        int count = data.getCount();
                        int dateColumn = data.getColumnIndex(WeatherContract.WeatherEntry.COLUMN_DATE);
                        for (int i = 0; i < count; i++) {
                            data.moveToPosition(i);
                            if (data.getLong(dateColumn) == mInitialSelectedDate) {
                                position = i;
                                break;
                            }
                        }
                    }
                    if (position == RecyclerView.NO_POSITION)
                        position = 0;

                    mRecyclerView.smoothScrollToPosition(position);
                    RecyclerView.ViewHolder vh = mRecyclerView.findViewHolderForAdapterPosition(position);
                    if (null != vh && mAutoSelectView) {
                        mForecastAdapter.selectView(vh);
                    }
                    if (mHoldForTransition) {
                        getActivity().supportStartPostponedEnterTransition();
                    }
                    return true;
                }
                return false;
            }
        });
    }

}

From source file:android.com.example.contactslist.ui.ContactsListFragment.java

@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
    // This swaps the new cursor into the adapter.
    if (loader.getId() == ContactsQuery.QUERY_ID) {
        mAdapter.swapCursor(data);//from   www . j  a v  a 2s.  c  o m

        // If this is a two-pane layout and there is a search query then
        // there is some additional work to do around default selected
        // search item.
        if (mIsTwoPaneLayout && !TextUtils.isEmpty(mSearchTerm) && mSearchQueryChanged) {
            // Selects the first item in results, unless this fragment has
            // been restored from a saved state (like orientation change)
            // in which case it selects the previously selected search item.
            if (data != null && data.moveToPosition(mPreviouslySelectedSearchItem)) {
                // Creates the content Uri for the previously selected contact by appending the
                // contact's ID to the Contacts table content Uri
                final Uri uri = Uri.withAppendedPath(Contacts.CONTENT_URI,
                        String.valueOf(data.getLong(ContactsQuery.ID)));
                mOnContactSelectedListener.onContactSelected(uri);
                getListView().setItemChecked(mPreviouslySelectedSearchItem, true);
            } else {
                // No results, clear selection.
                onSelectionCleared();
            }
            // Only restore from saved state one time. Next time fall back
            // to selecting first item. If the fragment state is saved again
            // then the currently selected item will once again be saved.
            mPreviouslySelectedSearchItem = 0;
            mSearchQueryChanged = false;
        }
    }
}

From source file:com.android.contacts.list.ContactEntryListAdapter.java

/**
 * Updates partitions according to the directory meta-data contained in the supplied
 * cursor.//from  w  w  w .j a  v  a2  s  .  c  o m
 */
public void changeDirectories(Cursor cursor) {
    if (cursor.getCount() == 0) {
        // Directory table must have at least local directory, without which this adapter will
        // enter very weird state.
        Log.e(TAG, "Directory search loader returned an empty cursor, which implies we have "
                + "no directory entries.", new RuntimeException());
        return;
    }
    HashSet<Long> directoryIds = new HashSet<Long>();

    int idColumnIndex = cursor.getColumnIndex(Directory._ID);
    int directoryTypeColumnIndex = cursor.getColumnIndex(DirectoryListLoader.DIRECTORY_TYPE);
    int displayNameColumnIndex = cursor.getColumnIndex(Directory.DISPLAY_NAME);
    int photoSupportColumnIndex = cursor.getColumnIndex(Directory.PHOTO_SUPPORT);

    // TODO preserve the order of partition to match those of the cursor
    // Phase I: add new directories
    cursor.moveToPosition(-1);
    while (cursor.moveToNext()) {
        long id = cursor.getLong(idColumnIndex);
        directoryIds.add(id);
        if (getPartitionByDirectoryId(id) == -1) {
            DirectoryPartition partition = new DirectoryPartition(false, true);
            partition.setDirectoryId(id);
            partition.setDirectoryType(cursor.getString(directoryTypeColumnIndex));
            partition.setDisplayName(cursor.getString(displayNameColumnIndex));
            int photoSupport = cursor.getInt(photoSupportColumnIndex);
            partition.setPhotoSupported(photoSupport == Directory.PHOTO_SUPPORT_THUMBNAIL_ONLY
                    || photoSupport == Directory.PHOTO_SUPPORT_FULL);
            addPartition(partition);
        }
    }

    // Phase II: remove deleted directories
    int count = getPartitionCount();
    for (int i = count; --i >= 0;) {
        Partition partition = getPartition(i);
        if (partition instanceof DirectoryPartition) {
            long id = ((DirectoryPartition) partition).getDirectoryId();
            if (!directoryIds.contains(id)) {
                removePartition(i);
            }
        }
    }

    invalidate();
    notifyDataSetChanged();
}