Example usage for android.database Cursor moveToFirst

Introduction

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

Prototype

boolean moveToFirst();

Source Link

Document

Move the cursor to the first row.

Usage

From source file:fr.mixit.android.io.RemoteSessionsHandler.java

private static boolean isSessionUpdated(Uri uri, JSONObject session, ContentResolver resolver)
        throws JSONException {
    final Cursor cursor = resolver.query(uri, SessionsQuery.PROJECTION, null, null, null);
    try {//  w ww.j  a  v  a2 s.  co  m
        if (!cursor.moveToFirst())
            return false;

        final String curTitle = cursor.getString(SessionsQuery.TITLE).toLowerCase().trim();
        final String curSummary = cursor.getString(SessionsQuery.SUMMARY).toLowerCase().trim();
        final String curTrackId = cursor.getString(SessionsQuery.TRACK_ID) != null
                ? cursor.getString(SessionsQuery.TRACK_ID).toLowerCase().trim()
                : "";
        final String newTitle = session.getString("name").toLowerCase().trim();
        final String newSummary = session.getString("description").toLowerCase().trim();
        final String newTrackId = session.has("track") ? session.getString("track").toLowerCase().trim() : "";

        return (!curTitle.equals(newTitle) || !curSummary.equals(newSummary) || !curTrackId.equals(newTrackId));
    } finally {
        cursor.close();
    }
}

From source file:com.docd.purefm.test.MediaStoreUtilsTest.java

private static boolean isFileInMediaStore(final ContentResolver resolver, final GenericFile file) {
    final Uri uri = MediaStoreUtils.getContentUri(file);
    final Pair<String, String[]> selection = MediaStoreUtils.dataSelection(file.toFile());
    final Cursor c = resolver.query(uri, new String[] { MediaStore.Files.FileColumns._ID }, selection.first,
            selection.second, null);//from w w w . j a  va  2  s. c o m
    if (c != null) {
        try {
            if (c.moveToFirst()) {
                return c.getLong(0) != 0;
            }
        } finally {
            c.close();
        }
    }
    return false;
}

From source file:Main.java

private static int getOrientation(Context context, Uri photoUri) {
    /* it's on the external media. */
    Cursor cursor = context.getContentResolver().query(photoUri,
            new String[] { MediaStore.Images.ImageColumns.ORIENTATION }, null, null, null);

    if (cursor.getCount() != 1) {
        return -1;
    }/*from   w ww.ja  v a 2  s. c om*/

    cursor.moveToFirst();
    return cursor.getInt(0);
}

From source file:com.dahl.brendan.wordsearch.view.IOService.java

private static void writeFile(Context context, File file, boolean overwrite) {
    if (!file.exists() || overwrite) {
        Cursor cursor = context.getContentResolver().query(Word.CONTENT_URI, new String[] { Word.WORD }, null,
                null, null);/*from   w  w w  .  j  a v  a  2  s  . c  om*/
        JSONArray array = new JSONArray();
        if (cursor.moveToFirst()) {
            while (!cursor.isAfterLast()) {
                array.put(cursor.getString(0));
                cursor.moveToNext();
            }
        }
        try {
            file.getParentFile().mkdirs();
            file.createNewFile();
            BufferedWriter out = new BufferedWriter(new FileWriter(file));
            out.write(array.toString());
            out.close();
        } catch (IOException e) {
            Log.e(LOGTAG, "write failed", e);
        }
    }
}

From source file:Main.java

public static String getPersonNameFromNumber(Context context, String box, String address) {
    if (address == null) {
        return "unknown";
    }/* w w w . j a va  2s.  co  m*/
    if (!box.equalsIgnoreCase("draft")) {
        Cursor cursor = context.getContentResolver().query(
                Uri.withAppendedPath(PhoneLookup.CONTENT_FILTER_URI, Uri.encode(address)),
                new String[] { PhoneLookup.DISPLAY_NAME }, null, null, null);
        if (cursor != null) {
            try {
                if (cursor.getCount() > 0) {
                    cursor.moveToFirst();
                    String name = cursor.getString(0);
                    return name;
                }
            } finally {
                cursor.close();
            }
        }
    }
    if (address != null) {
        return PhoneNumberUtils.formatNumber(address);
    }
    return "unknown";
}

From source file:Main.java

/**
 * Get the value of the data column for this Uri. This is useful for
 * MediaStore Uris, and other file-based ContentProviders.
 *
 * @param context The context./*from   w ww  .j  av  a  2s  .c o m*/
 * @param uri The Uri to query.
 * @param selection (Optional) Filter used in the query.
 * @param selectionArgs (Optional) Selection arguments used in the query.
 * @return The value of the _data column, which is typically a file path.
 */
private static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {

    Cursor cursor = null;
    final String column = "_data";
    final String[] projection = { column };

    try {
        cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null);
        if (cursor != null && cursor.moveToFirst()) {
            final int column_index = cursor.getColumnIndexOrThrow(column);
            return cursor.getString(column_index);
        }
    } finally {
        if (cursor != null)
            cursor.close();
    }
    return null;
}

From source file:Main.java

/**
 * Get the value of the data column for this Uri. This is useful for
 * MediaStore Uris, and other file-based ContentProviders.
 *
 * @param context       The context./*from w  ww .  j  a va2 s .co m*/
 * @param uri           The Uri to query.
 * @param selection     (Optional) Filter used in the query.
 * @param selectionArgs (Optional) Selection arguments used in the query.
 * @return The value of the _data column, which is typically a file path.
 */
public static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {

    Cursor cursor = null;
    final String column = "_data";
    final String[] projection = { column };

    try {

        cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null);
        if (cursor != null && cursor.moveToFirst()) {

            final int column_index = cursor.getColumnIndexOrThrow(column);
            return cursor.getString(column_index);
        }
    } finally {

        if (cursor != null) {
            cursor.close();
        }
    }
    return null;
}

From source file:info.guardianproject.otr.app.im.app.DatabaseUtils.java

public static Cursor queryAccountsForProvider(ContentResolver cr, String[] projection, long providerId) {
    StringBuilder where = new StringBuilder(Imps.Account.ACTIVE);
    where.append("=1 AND ").append(Imps.Account.PROVIDER).append('=').append(providerId);
    Cursor c = cr.query(Imps.Account.CONTENT_URI, projection, where.toString(), null, null);
    if (c != null && !c.moveToFirst()) {
        c.close();//www .j ava2  s.c o  m
        return null;
    }
    return c;
}

From source file:Main.java

/**
 * Get the value of the data column for this Uri . This is useful for
 * MediaStore Uris , and other file - based ContentProviders.
 * /*  w  w  w.ja v  a 2s  .  com*/
 * @param context
 *            The context.
 * @param uri
 *            The Uri to query.
 * @param selection
 *            (Optional) Filter used in the query.
 * @param selectionArgs
 *            (Optional) Selection arguments used in the query.
 * @return The value of the _data column, which is typically a file path.
 */
public static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {
    Cursor cursor = null;
    final String column = MediaColumns.DATA;
    final String[] projection = { column };
    try {
        cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null);
        if (cursor != null && cursor.moveToFirst()) {
            final int index = cursor.getColumnIndexOrThrow(column);
            return cursor.getString(index);
        }
    } finally {
        if (cursor != null)
            cursor.close();
    }
    return null;
}

From source file:Main.java

/**
 * Get the value of the data column for this Uri. This is useful for
 * MediaStore Uris, and other file-based ContentProviders.
 *
 * @param context       The context./*  w  w  w. java2s  . c  o  m*/
 * @param uri           The Uri to query.
 * @param selection     (Optional) Filter used in the query.
 * @param selectionArgs (Optional) Selection arguments used in the query.
 * @return The value of the _data column, which is typically a file path.
 */
public static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {

    Cursor cursor = null;
    final String column = "_data";
    final String[] projection = { column };

    try {
        cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null);
        if (cursor != null && cursor.moveToFirst()) {
            final int column_index = cursor.getColumnIndexOrThrow(column);
            return cursor.getString(column_index);
        }
    } finally {
        if (cursor != null)
            cursor.close();
    }
    return null;
}