lib/android/data_store.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Copyright 2014 Alexis Laferrière <alexis.laf@xymus.net>
   4 #
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at
   8 #
   9 #     http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16
  17 # Implements `app::data_store` using `shared_preferences`
  18 #
  19 # We use the shared preferences named "data_store" to store the data.
  20 module data_store
  21
  22 import app::data_store
  23 import shared_preferences
  24
  25 redef class DataStore
  26
  27         # The `SharedPreferences` used to implement the `DataStore`
  28         var shared_preferences = new SharedPreferences.privately(app, "data_store") is lazy
  29
  30         redef fun [](key) do return shared_preferences[key]
  31
  32         redef fun []=(key, value) do shared_preferences[key] = value
  33 end