Implements `app::data_store` using `shared_preferences`

We use the shared preferences named "data_store" to store the data.

Redefined classes

redef class DataStore

android :: data_store $ DataStore

Simple data storage facility

All class definitions

redef class DataStore

android :: data_store $ DataStore

Simple data storage facility

Ancestors

module abstract_collection

core :: abstract_collection

Abstract collection classes and services.

module abstract_text

core :: abstract_text

Abstract class for manipulation of sequences of characters

module activities

android :: activities

Android Activities wrapper

module app

app.nit is a framework to create cross-platform applications

module app_base

app :: app_base

Base of the app.nit framework, defines App

module array

This module introduces the standard array structure.

module assets

Portable services to load resources from the assets folder

module aware

android :: aware

Android compatibility module

module bitset

Services to handle BitSet

module bytes

Services for byte streams and arrays

module caching

serialization :: caching

Services for caching serialization engines

module circular_array

core :: circular_array

Efficient data structure to access both end of the sequence.

module codec_base

core :: codec_base

Base for codecs to use with streams

module codecs

Group module for all codec-related manipulations

module collection

core :: collection

This module define several collection classes.

module collections

java :: collections

Basic Java collections

module core

Standard classes and methods used by default by Nit programs and libraries.

module dalvik

android :: dalvik

Java related services specific to Android and its Dalvik VM

module engine_tools

serialization :: engine_tools

Advanced services for serialization engines

module environ

core :: environ

Access to the environment variables of the process

module error

Standard error-management infrastructure.

module error

Intro JsonParseError which is exposed by all JSON reading APIs

module exec

Invocation and management of operating system sub-processes.

module ffi_support

java :: ffi_support

Core supporting services for the FFI with Java

module file

File manipulations (create, read, write, etc.)

module fixed_ints

core :: fixed_ints

Basic integers of fixed-precision

module fixed_ints_text

core :: fixed_ints_text

Text services to complement fixed_ints

module flat

All the array-based text representations

module gc

Access to the Nit internal garbage collection mechanism

module hash_collection

core :: hash_collection

Introduce HashMap and HashSet.

module inspect

serialization :: inspect

Refine Serializable::inspect to show more useful information

module iso8859_1

core :: iso8859_1

Codec for ISO8859-1 I/O

module java

Supporting services for the FFI with Java and to access Java libraries

module json

Read and write JSON formatted text using the standard serialization services

module jvm

Java Virtual Machine invocation API and others services from the JNI C API

module kernel

Most basic classes and methods.

module list

This module handle double linked lists

module math

Mathematical operations

module meta

Simple user-defined meta-level to manipulate types of instances as object.

module native

Native structures for text and bytes

module numeric

core :: numeric

Advanced services for Numeric types

module parser_base

parser_base :: parser_base

Simple base for hand-made parsers of all kinds

module platform

android :: platform

Triggers compilation for the android platform

module poset

Pre order sets and partial order set (ie hierarchies)

module protocol

core :: protocol

module queue

Queuing data structures and wrappers

module range

Module for range of discrete objects.

module re

Regular expression support for all services based on Pattern

module ropes

Tree-based representation of a String.

module safe

serialization :: safe

Services for safer deserialization engines

module serialization

serialization :: serialization

General serialization services

module serialization_core

serialization :: serialization_core

Abstract services to serialize Nit objects to different formats

module serialization_read

json :: serialization_read

Services to read JSON: deserialize_json and JsonDeserializer

module serialization_write

json :: serialization_write

Services to write Nit objects to JSON strings: serialize_to_json and JsonSerializer

module shared_preferences_api10

android :: shared_preferences_api10

Services to save/load data using android.content.SharedPreferences for the android platform

module sorter

This module contains classes used to compare things and sorts arrays.

module static

Static interface to read Nit objects from JSON strings

module stream

Input and output streams of characters

module string_search

core :: string_search

Basic string search, match and replace.

module text

All the classes and methods related to the manipulation of text entities

module time

Management of time and dates

module union_find

core :: union_find

union–find algorithm using an efficient disjoint-set data structure

module utf8

Codec for UTF-8 I/O

Parents

module data_store

app :: data_store

Key/value storage services

module shared_preferences

android :: shared_preferences

Services allowing to save and load datas to internal android device

Children

module ui

Views and services to use the Android native user interface

Descendants

module a_star-m

module http_request

android :: http_request

Android implementation of app:http_request

module ui_test

android :: ui_test

Test for app.nit's UI services

# Implements `app::data_store` using `shared_preferences`
#
# We use the shared preferences named "data_store" to store the data.
module data_store

import app::data_store
import shared_preferences

redef class DataStore

	# The `SharedPreferences` used to implement the `DataStore`
	var shared_preferences = new SharedPreferences.privately(app, "data_store") is lazy

	redef fun [](key) do return shared_preferences[key]

	redef fun []=(key, value) do shared_preferences[key] = value
end

lib/android/data_store.nit:17,1--33,3