Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (c) 2013, David Brodsky. All rights reserved.
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *   
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *   
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import android.content.Context;
import android.os.Environment;
import android.util.Log;

import java.io.File;

public class Main {
    static final String TAG = "FileUtils";

    /**
     * Returns a Java File initialized to a directory of given name
     * at the root storage location, with preference to external storage.
     * If the directory did not exist, it will be created at the conclusion of this call.
     * If a file with conflicting name exists, this method returns null;
     *
     * @param c the context to determine the internal storage location, if external is unavailable
     * @param directory_name the name of the directory desired at the storage location
     * @return a File pointing to the storage directory, or null if a file with conflicting name
     * exists
     */
    public static File getRootStorageDirectory(Context c, String directory_name) {
        File result;
        // First, try getting access to the sdcard partition
        if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
            Log.d(TAG, "Using sdcard");
            result = new File(Environment.getExternalStorageDirectory(), directory_name);
        } else {
            // Else, use the internal storage directory for this application
            Log.d(TAG, "Using internal storage");
            result = new File(c.getApplicationContext().getFilesDir(), directory_name);
        }

        if (!result.exists())
            result.mkdir();
        else if (result.isFile()) {
            return null;
        }
        Log.d("getRootStorageDirectory", result.getAbsolutePath());
        return result;
    }
}