public class PreferencesUtils {
    public static String PREFERENCE_NAME = "XXX";

    public static boolean putString(Context context, String key, String value) {
        SharedPreferences.Editor editor = getEditor(context);
        editor.putString(key, value);
        return editor.commit();
    
 
}

    private static SharedPreferences.Editor getEditor(Context context) {
        SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
                Context.MODE_PRIVATE);
        return settings.edit();
    }

    public static String getString(Context context, String key) {
        return 
 
getString(context, key, null);
    }

    public static String getString(Context context, String key, String defaultValue) {
        SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
                Context.MODE_PRIVATE);
        return settings.getString(key, defaultValue);
 
    }

    public static boolean putInt(Context context, String key, int value) {
        SharedPreferences.Editor editor = getEditor(context);
        editor.putInt(key, value);
        return editor.commit();
    }

    public static int getInt(Context context, String key) {
        return getInt(context, key, -1);
    }

    public static int getInt(Context context, String key, int defaultValue) {
        SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
                Context.MODE_PRIVATE);
        return settings.getInt(key, defaultValue);
    }

    public static boolean putLong(Context context, String key, long value) {
        SharedPreferences.Editor editor = getEditor(context);
        editor.putLong(key, value);
        return editor.commit();
    }

    public static long getLong(Context context, String key) {
        return getLong(context, key, -1);
    }

    public static long getLong(Context context, String key, long defaultValue) {
        SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
                Context.MODE_PRIVATE);
        return settings.getLong(key, defaultValue);
    }

    public static boolean putFloat(Context context, String key, float value) {
        SharedPreferences.Editor editor = getEditor(context);
        editor.putFloat(key, value);
        return editor.commit();
    }

    public static float getFloat(Context context, String key) {
        return getFloat(context, key, -1);
    }

    public static float getFloat(Context context, String key, float defaultValue) {
        SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
                Context.MODE_PRIVATE);
        return settings.getFloat(key, defaultValue);
    }

    public static boolean putBoolean(Context context, String key, boolean value) {
        SharedPreferences.Editor editor = getEditor(context);
        editor.putBoolean(key, value);
        return editor.commit();
    }

    public static boolean getBoolean(Context context, String key) {
        return getBoolean(context, key, false);
    }

    public static boolean getBoolean(Context context, String key, boolean defaultValue) {
        SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME,
                Context.MODE_PRIVATE);
        return settings.getBoolean(key, defaultValue);
    }
}