PreferencesUtils.java

package com.malcom.library.android.utils;

import android.content.SharedPreferences;

public class PreferencesUtils {

	// http://stackoverflow.com/questions/16319237/cant-put-double-sharedpreferences
	//
	public static double getDouble(SharedPreferences prefs, String key, long defaultValue)
	{
		if (prefs.contains(key))
            return Double.longBitsToDouble(prefs.getLong(key, 0L));
		else
			return defaultValue;
	}

	// http://stackoverflow.com/questions/16319237/cant-put-double-sharedpreferences
	//
	public static void putDouble(SharedPreferences.Editor editor, String key, double value)
	{
		editor.putLong(key, Double.doubleToLongBits(value));
	}
}