Return the first column of the first row of the supplied cursor as a long. - Android Database

Android examples for Database:Cursor Column

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Description

Return the first column of the first row of the supplied cursor as a long.

Demo Code

/*// w ww . j  a v  a 2s .c o  m
 * Copyright (C) 2010, T-Mobile USA, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
//package com.book2s;
import android.database.Cursor;

public class Main {
    /**
     * Return the first column of the first row of the supplied cursor as a
     * long. Useful for accessing the result of a simple 1x1 query.
     */
    public static long cursorToLong(Cursor cursor, long defaultValue) {
        if (cursor == null) {
            return defaultValue;
        }
        try {
            if (cursor.moveToFirst()) {
                return cursor.getLong(0);
            }
        } finally {
            cursor.close();
        }
        return defaultValue;
    }
}

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