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:org.thoughtcrime.securesms.mms.MmsCommunication.java

protected static MmsConnectionParameters getMmsConnectionParameters(Context context) throws MmsException {
    Cursor cursor = DatabaseFactory.getMmsDatabase(context).getCarrierMmsInformation();

    try {//from   www  .j ava2  s.  c o  m
        if (cursor == null || !cursor.moveToFirst())
            throw new MmsException("No carrier MMS information available.");

        do {
            String mmsc = cursor.getString(cursor.getColumnIndexOrThrow("mmsc"));
            String proxy = cursor.getString(cursor.getColumnIndexOrThrow("mmsproxy"));
            String port = cursor.getString(cursor.getColumnIndexOrThrow("mmsport"));

            if (mmsc != null && !mmsc.equals(""))
                return new MmsConnectionParameters(mmsc, proxy, port);

        } while (cursor.moveToNext());

        throw new MmsException("No carrier MMS information available.");
    } finally {
        if (cursor != null)
            cursor.close();
    }
}

From source file:free.yhc.netmbuddy.share.Json.java

static JSONObject playlistToJson(long plid) {
    final int COLI_ID = 0;
    Cursor c = DB.get().queryVideos(plid, new ColVideo[] { ColVideo.ID }, null, false);
    if (!c.moveToFirst()) {
        c.close();/*from   w  ww . java  2 s .  com*/
        return null;
    }

    JSONObject jo = new JSONObject();
    try {
        jo.put(FTITLE, DB.get().getPlaylistInfo(plid, ColPlaylist.TITLE));
        String thumbnailYtvid = (String) DB.get().getPlaylistInfo(plid, ColPlaylist.THUMBNAIL_YTVID);
        if (Utils.isValidValue(thumbnailYtvid))
            jo.put(FTHUMBNAIL_YTVID, thumbnailYtvid);

        JSONArray jarr = new JSONArray();
        do {
            JSONObject jov = videoToJson(c.getLong(COLI_ID));
            eAssert(null != jov);
            jarr.put(jov);
        } while (c.moveToNext());
        jo.put(FVIDEOS, jarr);
    } catch (JSONException e) {
        jo = null;
    }
    c.close();

    return jo;
}

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  .  j a  v  a2s.  c  om*/
 * @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 index = cursor.getColumnIndexOrThrow(column);
            return cursor.getString(index);
        }
    } finally {
        if (cursor != null)
            cursor.close();
    }
    return null;
}

From source file:Main.java

public static int getOrientation(Context context, Uri photoUri) {
    int orientation = 0;
    Cursor cursor = context.getContentResolver().query(photoUri,
            new String[] { MediaStore.Images.ImageColumns.ORIENTATION }, null, null, null);
    if (cursor != null) {
        if (cursor.getCount() != 1) {
            return -1;
        }/*  w  w w . j ava  2 s.co  m*/
        cursor.moveToFirst();
        orientation = cursor.getInt(0);
        cursor.close();
    }
    return orientation;
}

From source file:Main.java

public static String getRealPathFromURI(Uri contentUri, ContentResolver content_resolver) {
    Cursor cursor = null;
    try {//w w  w.ja v a 2  s .c  om
        String[] proj = { MediaStore.Images.Media.DATA };
        cursor = content_resolver.query(contentUri, proj, null, null, null);
        int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
        cursor.moveToFirst();
        return cursor.getString(column_index);
    } finally {
        if (cursor != null) {
            cursor.close();
        }
    }
}

From source file:Main.java

public static boolean isMediaScannerScanning(Context context) {
    boolean result = false;

    Cursor cursor = query(context, MediaStore.getMediaScannerUri(),
            new String[] { MediaStore.MEDIA_SCANNER_VOLUME }, null, null, null);
    if (cursor != null) {
        if (cursor.getCount() == 1) {
            cursor.moveToFirst();
            result = "external".equals(cursor.getString(0));
        }/*  w  w  w  .  j av a 2  s . c  o  m*/
        cursor.close();
    }

    return result;
}

From source file:ca.mudar.parkcatcher.utils.ParserUtils.java

/**
 * Query and return the newest {@link SyncColumns#UPDATED} time for all
 * entries under the requested {@link Uri}. Expects the {@link Uri} to
 * reference a directory of several items.
 *//*from w ww . jav a 2s.c o m*/
public static long queryDirUpdated(Uri uri, ContentResolver resolver) {
    final String[] projection = { "MAX(" + SyncColumns.UPDATED + ")" };
    final Cursor cursor = resolver.query(uri, projection, null, null, null);
    try {
        cursor.moveToFirst();
        return cursor.getLong(0);
    } finally {
        cursor.close();
    }
}

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  w  w .  jav  a2 s .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 index = cursor.getColumnIndexOrThrow(column);
            return cursor.getString(index);
        }
    } finally {
        if (cursor != null)
            cursor.close();
    }
    return null;
}

From source file:Main.java

/**
 * Handles V19 and up uri's//ww  w. ja v  a  2  s  . c o  m
 * @param context
 * @param contentUri
 * @return path
 */
@TargetApi(Build.VERSION_CODES.KITKAT)
private static String getPathForV19AndUp(Context context, Uri contentUri) {
    String wholeID = DocumentsContract.getDocumentId(contentUri);

    // Split at colon, use second item in the array
    String id = wholeID.split(":")[1];
    String[] column = { MediaStore.Images.Media.DATA };

    // where id is equal to
    String sel = MediaStore.Images.Media._ID + "=?";
    Cursor cursor = context.getContentResolver().query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, column,
            sel, new String[] { id }, null);

    String filePath = "";
    int columnIndex = cursor.getColumnIndex(column[0]);
    if (cursor.moveToFirst()) {
        filePath = cursor.getString(columnIndex);
    }

    cursor.close();
    return filePath;
}

From source file:Main.java

/**
 * Get the file path from a Media storage URI.
 */// www .  ja v  a 2s  .  co m
public static String getPathFromURI(ContentResolver contentResolver, Uri contentUri) {
    String[] proj = { MediaStore.Images.Media.DATA };
    Cursor cursor = contentResolver.query(contentUri, proj, null, null, null);
    if (cursor == null) {
        return null;
    }
    try {
        int columnIndex = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
        if (!cursor.moveToFirst()) {
            return null;
        } else {
            return cursor.getString(columnIndex);
        }
    } finally {
        cursor.close();
    }
}