Android Open Source - android-utils Database Export Utils

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License

The source code is released under:

Apache License

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Java Source Code

/**
 * Copyright 2014 Zhenguo Jin (jingle1267@163.com)
 */*from ww w  .  j a va  2s . c o  m*/
 * 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.worthed.util;

import android.content.Context;
import android.os.Environment;
import android.text.TextUtils;

/**
 * ????????????
 *
 * @author jingle1267@163.com
 */
public class DatabaseExportUtils {

    private static final boolean DEBUG = true;
    private static final String TAG = "DatabaseExportUtils";

    /**
     * ???????? ????????,????????
     *
     * @param context      ???
     * @param targetFile   ????
     * @param databaseName ????????????????
     * @return ?????????
     */
    public boolean startExportDatabase(Context context, String targetFile,
                                       String databaseName) {
        if (DEBUG) {
            LogUtils.d(TAG, "start export ...");
        }
        if (!Environment.MEDIA_MOUNTED.equals(Environment
                .getExternalStorageState())) {
            if (DEBUG) {
                LogUtils.w(TAG, "cannot find SDCard");
            }
            return false;
        }
        String sourceFilePath = Environment.getDataDirectory() + "/data/"
                + context.getPackageName() + "/databases/" + databaseName;
        String destFilePath = Environment.getExternalStorageDirectory()
                + (TextUtils.isEmpty(targetFile) ? (context.getPackageName() + ".db")
                : targetFile);
        boolean isCopySuccess = FileUtils
                .copyFile(sourceFilePath, destFilePath);
        if (DEBUG) {
            if (isCopySuccess) {
                LogUtils.d(TAG, "copy database file success. target file : "
                        + destFilePath);
            } else {
                LogUtils.w(TAG, "copy database file failure");
            }
        }
        return isCopySuccess;
    }
}

Java Source Code List