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:com.futurologeek.smartcrossing.crop.CropImageActivity.java

public static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {

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

    try {/*from   ww  w  .j a  v  a  2s. c om*/
        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;
}

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From source file:Main.java

@SuppressLint("NewApi")
public static String uriToPath(Context activity, Uri uri) {
    if (null == uri) {
        return null;
    }/*from   ww w  . ja  va 2  s. c  o m*/
    String urlStr = uri.toString();
    if (urlStr.startsWith("file://")) {
        return uri.getPath();
    }
    Cursor cursor = null;
    String idWhere;
    String id;
    String[] columns = { MediaStore.Images.Media.DATA };
    try {
        if (Build.VERSION.SDK_INT == 19 && DocumentsContract.isDocumentUri(activity, uri)) {
            final String docId = DocumentsContract.getDocumentId(uri);
            final String[] split = docId.split(":");
            id = split[1];
            idWhere = MediaStore.Images.Media._ID + "=?";
            cursor = activity.getContentResolver().query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, columns,
                    idWhere, new String[] { id }, null);
        } else {
            cursor = activity.getContentResolver().query(uri, columns, null, null, null);
        }
        if (cursor != null) {
            int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
            if (cursor.moveToFirst()) {
                return cursor.getString(column_index);
            }
        }
    } catch (Exception e) {
    } finally {
        if (cursor != null) {
            cursor.close();
        }
    }
    return null;
}

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From source file:com.haoqee.chatsdk.net.Utility.java

/**
 * Get a HttpClient object which is setting correctly .
 * /* ww  w  .j  ava 2s  .co m*/
 * @param context
 *            : context of activity
 * @return HttpClient: HttpClient object
 */
public static DefaultHttpClient getHttpClient(Context context) {
    BasicHttpParams httpParameters = new BasicHttpParams();
    // Set the default socket timeout (SO_TIMEOUT) // in
    // milliseconds which is the timeout for waiting for data.
    HttpConnectionParams.setConnectionTimeout(httpParameters, Utility.SET_CONNECTION_TIMEOUT);
    HttpConnectionParams.setSoTimeout(httpParameters, Utility.SET_SOCKET_TIMEOUT);
    DefaultHttpClient client = new DefaultHttpClient(httpParameters);
    WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
    if (!wifiManager.isWifiEnabled()) {
        // ??PN????
        Uri uri = Uri.parse("content://telephony/carriers/preferapn");
        Cursor mCursor = context.getContentResolver().query(uri, null, null, null, null);
        if (mCursor != null && mCursor.moveToFirst()) {
            // ??????
            String proxyStr = mCursor.getString(mCursor.getColumnIndex("proxy"));
            if (proxyStr != null && proxyStr.trim().length() > 0) {
                HttpHost proxy = new HttpHost(proxyStr, 80);
                client.getParams().setParameter(ConnRouteParams.DEFAULT_PROXY, proxy);
            }
            mCursor.close();
        }
    }
    return client;
}

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From source file:ro.weednet.contactssync.platform.ContactManager.java

public static long ensureGroupExists(Context context, Account account) {
    final ContentResolver resolver = context.getContentResolver();

    // Lookup the group
    long groupId = 0;
    final Cursor cursor = resolver.query(Groups.CONTENT_URI, new String[] { Groups._ID },
            Groups.ACCOUNT_NAME + "=? AND " + Groups.ACCOUNT_TYPE + "=? AND " + Groups.TITLE + "=?",
            new String[] { account.name, account.type, GROUP_NAME }, null);
    if (cursor != null) {
        try {/* w  w  w .jav  a2s .c  o  m*/
            if (cursor.moveToFirst()) {
                groupId = cursor.getLong(0);
            }
        } finally {
            cursor.close();
        }
    }

    if (groupId == 0) {
        // Group doesn't exist yet, so create it
        final ContentValues contentValues = new ContentValues();
        contentValues.put(Groups.ACCOUNT_NAME, account.name);
        contentValues.put(Groups.ACCOUNT_TYPE, account.type);
        contentValues.put(Groups.TITLE, GROUP_NAME);
        //   contentValues.put(Groups.GROUP_IS_READ_ONLY, true);
        contentValues.put(Groups.GROUP_VISIBLE, true);

        final Uri newGroupUri = resolver.insert(Groups.CONTENT_URI, contentValues);
        groupId = ContentUris.parseId(newGroupUri);
    }
    return groupId;
}

---

From source file:edu.mit.mobile.android.locast.data.JsonSyncableItem.java

/**
 * Given a public Uri fragment, finds the local item representing it. If there isn't any such item, null is returned.
 *
 * @param context/*  w ww. ja  va2 s. c  om*/
 * @param dirUri the base local URI to search.
 * @param pubUri A public URI fragment that represents the given item. This must match the result from the API.
 * @return a local URI matching the item or null if none were found.
 */
public static Uri getItemByPubIUri(Context context, Uri dirUri, String pubUri) {
    Uri uri = null;
    final ContentResolver cr = context.getContentResolver();

    final String[] selectionArgs = { pubUri };
    final Cursor c = cr.query(dirUri, PUB_URI_PROJECTION, _PUBLIC_URI + "=?", selectionArgs, null);
    if (c.moveToFirst()) {
        uri = ContentUris.withAppendedId(dirUri, c.getLong(c.getColumnIndex(_ID)));
    }

    c.close();
    return uri;
}

---

From source file:com.android.providers.downloads.DownloadInfo.java

/**
 * Query and return status of requested download.
 *//*from  ww w.  j a v  a2  s  .c om*/
public static int queryDownloadStatus(ContentResolver resolver, long id) {
    final Cursor cursor = resolver.query(
            ContentUris.withAppendedId(Downloads.Impl.ALL_DOWNLOADS_CONTENT_URI, id),
            new String[] { Downloads.Impl.COLUMN_STATUS }, null, null, null);
    try {
        if (cursor.moveToFirst()) {
            return cursor.getInt(0);
        } else {
            // TODO: increase strictness of value returned for unknown
            // downloads; this is safe default for now.
            return Downloads.Impl.STATUS_PENDING;
        }
    } finally {
        cursor.close();
    }
}

---

From source file:com.ubuntuone.android.files.provider.MetaUtilities.java

public static ArrayList<U1Node> getPhotoNodesFromDirectory(String directoryResourcePath) {
    String[] projection = Nodes.getDefaultProjection();
    String selection = Nodes.NODE_PARENT_PATH + "=? AND " + Nodes.NODE_MIME + "=?";
    String[] selectionArgs = new String[] { directoryResourcePath, "image/jpeg" };

    Cursor c = sResolver.query(Nodes.CONTENT_URI, projection, selection, selectionArgs, null);

    ArrayList<U1Node> photoNodes = null;
    if (c != null) {
        photoNodes = new ArrayList<U1Node>();
        try {/* w  ww.j  av a  2s. c o m*/
            if (c.moveToFirst()) {
                do {
                    String resourcePath;
                    String key;
                    U1NodeKind kind;
                    Boolean isLive = true;
                    String path;
                    String parentPath;
                    String volumePath;
                    Date whenCreated;
                    Date whenChanged;
                    Long generation;
                    Long generationCreated;
                    String contentPath;

                    resourcePath = c.getString(c.getColumnIndex(Nodes.NODE_RESOURCE_PATH));
                    key = c.getString(c.getColumnIndex(Nodes.NODE_KEY));
                    kind = U1NodeKind
                            .valueOf(c.getString(c.getColumnIndex(Nodes.NODE_KIND)).toUpperCase(Locale.US));
                    isLive = c.getInt(c.getColumnIndex(Nodes.NODE_IS_LIVE)) != 0;
                    path = c.getString(c.getColumnIndex(Nodes.NODE_PATH));
                    parentPath = c.getString(c.getColumnIndex(Nodes.NODE_PARENT_PATH));
                    volumePath = c.getString(c.getColumnIndex(Nodes.NODE_VOLUME_PATH));
                    whenCreated = new Date(c.getLong(c.getColumnIndex(Nodes.NODE_WHEN_CREATED)));
                    whenChanged = new Date(c.getLong(c.getColumnIndex(Nodes.NODE_WHEN_CHANGED)));
                    generation = c.getLong(c.getColumnIndex(Nodes.NODE_GENERATION));
                    generationCreated = c.getLong(c.getColumnIndex(Nodes.NODE_GENERATION_CREATED));
                    contentPath = c.getString(c.getColumnIndex(Nodes.NODE_CONTENT_PATH));

                    U1Node node = new U1Node(resourcePath, kind, isLive, path, parentPath, volumePath, key,
                            whenCreated, whenChanged, generation, generationCreated, contentPath);
                    photoNodes.add(node);
                } while (c.moveToNext());
            }
        } finally {
            c.close();
        }
    }
    return photoNodes;
}

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From source file:mil.nga.giat.mage.sdk.utils.MediaUtility.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  ww .ja v  a  2 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.
 */
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);
        }
    } catch (Exception e) {
        Log.e(LOG_NAME, "Error getting data column", e);
    } finally {
        if (cursor != null)
            cursor.close();
    }
    return null;
}

---

From source file:com.almarsoft.GroundhogReader.lib.DBUtils.java

public static long getGroupLastFetchedNumber(String group, Context context) {

    long lastFetched = -1;

    DBHelper dbhelper = new DBHelper(context);
    SQLiteDatabase readdb = dbhelper.getReadableDatabase();

    String fQuery = "SELECT lastFetched FROM subscribed_groups WHERE name=" + esc(group);
    Cursor cur = readdb.rawQuery(fQuery, null);

    if (cur.getCount() > 0) {
        cur.moveToFirst();
        lastFetched = cur.getInt(0);/*from   ww w .j  a v a 2s.c o  m*/
    }

    cur.close();
    readdb.close();
    dbhelper.close();

    return lastFetched;
}

---

From source file:com.codebutler.farebot.transit.SuicaTransitData.java

/**
 * ?????//  www .  ja v  a2  s .  c om
 * <pre>http:// sourceforge.jp/projects/felicalib/wiki/suica???????</pre>
 * @param lineCode 
 * @param stationCode 
 * @return ????????0????1??????
 */
private static Station getBusStop(int regionCode, int lineCode, int stationCode) {
    int areaCode = (regionCode >> 6);

    try {
        SQLiteDatabase db = FareBotApplication.getInstance().getSuicaDBUtil().openDatabase();
        Cursor cursor = db.query(TABLE_IRUCA_STATIONCODE, COLUMNS_IRUCA_STATIONCODE,
                String.format("%s = ? AND %s = ?", COLUMN_LINECODE, COLUMN_STATIONCODE),
                new String[] { Integer.toHexString(lineCode), Integer.toHexString(stationCode) }, null, null,
                COLUMN_ID);

        if (!cursor.moveToFirst()) {
            return null;
        }

        // FIXME: Figure out a better way to deal with i18n.
        boolean isJa = Locale.getDefault().getLanguage().equals("ja");
        String companyName = cursor
                .getString(cursor.getColumnIndex(isJa ? COLUMN_COMPANYNAME : COLUMN_COMPANYNAME_EN));
        String stationName = cursor
                .getString(cursor.getColumnIndex(isJa ? COLUMN_STATIONNAME : COLUMN_STATIONNAME_EN));
        return new Station(companyName, null, stationName, null, null, null);

    } catch (Exception e) {
        Log.e("SuicaStationProvider", "getBusStop() error", e);
        return null;
    }
}

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