Preferences.java

/*****************************************************************************
 * Preferences.java
 *****************************************************************************
 * Copyright © 2011-2014 VLC authors and VideoLAN
 *
 * 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 2 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
 *****************************************************************************/

package org.videolan.vlc.util;

import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;

import org.json.JSONArray;
import org.json.JSONException;

public class Preferences {
    public final static String TAG = "VLC/Util/Preferences";

    public static float[] getFloatArray(SharedPreferences pref, String key) {
        float[] array = null;
        String s = pref.getString(key, null);
        if (s != null) {
            try {
                JSONArray json = new JSONArray(s);
                array = new float[json.length()];
                for (int i = 0; i < array.length; i++)
                    array[i] = (float) json.getDouble(i);
            } catch (JSONException e) {
                e.printStackTrace();
            }
        }
        return array;
    }

    public static void putFloatArray(Editor editor, String key, float[] array) {
        try {
            JSONArray json = new JSONArray();
            for (float f : array)
                json.put(f);
            editor.putString(key, json.toString());
        } catch (JSONException e) {
            e.printStackTrace();
        }
    }

}