package_diagram android::shared_preferences_api11 shared_preferences_api11 android\>shared_preferences\> shared_preferences android::shared_preferences_api11->android\>shared_preferences\> android android android\>shared_preferences\>->android json json android\>shared_preferences\>->json ...>android ...json ... ...json->json a_star-m a_star-m a_star-m->android::shared_preferences_api11


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 :: 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

core :: array

This module introduces the standard array structure.
module assets

app :: assets

Portable services to load resources from the assets folder
module aware

android :: aware

Android compatibility module
module bitset

core :: bitset

Services to handle BitSet
module bytes

core :: 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

core :: 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

core :: 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

core :: error

Standard error-management infrastructure.
module error

json :: error

Intro JsonParseError which is exposed by all JSON reading APIs
module exec

core :: 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

core :: 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

core :: flat

All the array-based text representations
module gc

core :: 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

java :: java

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

json :: json

Read and write JSON formatted text using the standard serialization services
module jvm

jvm :: jvm

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

core :: kernel

Most basic classes and methods.
module list

core :: list

This module handle double linked lists
module math

core :: math

Mathematical operations
module meta

meta :: meta

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

core :: 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

poset :: poset

Pre order sets and partial order set (ie hierarchies)
module protocol

core :: protocol

module queue

core :: queue

Queuing data structures and wrappers
module range

core :: range

Module for range of discrete objects.
module re

core :: re

Regular expression support for all services based on Pattern
module ropes

core :: 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

core :: sorter

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

json :: static

Static interface to read Nit objects from JSON strings
module stream

core :: stream

Input and output streams of characters
module text

core :: text

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

core :: time

Management of time and dates
module union_find

core :: union_find

union–find algorithm using an efficient disjoint-set data structure
module utf8

core :: utf8

Codec for UTF-8 I/O


module shared_preferences

android :: shared_preferences

Services allowing to save and load datas to internal android device


module a_star-m


# Refines shared_preferences module to add API 11 services
module shared_preferences_api11 is android_api_min 11

import shared_preferences

in "Java" `{
	import java.util.HashSet;
	import java.util.Set;
	import android.content.Context;

redef extern class NativeSharedPreferences

	# Default value to null instead of Set<String>
	fun get_string_set(key: JavaString): HashSet[JavaString] import HashSet[JavaString],
		HashSet[JavaString].add in "Java" `{
		Set<String> def_value = new HashSet<String>();
		Set<String> java_set = self.getStringSet(key, def_value); nit_hashset = new_HashSet_of_JavaString();

		for (String element: java_set)
			HashSet_of_JavaString_add(nit_hashset, element);

		return nit_hashset;

redef extern class NativeSharedPreferencesEditor

	fun put_string_set(key: JavaString, value: HashSet[JavaString]): NativeSharedPreferencesEditor
		import HashSet[JavaString], HashSet[JavaString].iterator, Iterator[JavaString].is_ok,
		Iterator[JavaString].item, Iterator[JavaString].next in "Java" `{
		Set<String> java_set = new HashSet<String>(); itr = HashSet_of_JavaString_iterator(value);

		while (Iterator_of_JavaString_is_ok(itr)) {

		return self.putStringSet(key, java_set);

redef class SharedPreferences

	# Allows multiple processes to write into the same `SharedPreferences` file
	init multi_process(app: App, file_name: String)
		self.init(app, file_name, multi_process_mode)

	# File access mode
	private fun multi_process_mode: Int in "Java" `{ return Context.MODE_MULTI_PROCESS; `}

	# Returns the `HashSet[JavaString]` value corresponding the given key or `null` if none
	# User has to manage local stack deallocation himself
	# ~~~nitish
	# var a_hash_set = app.shared_preferences.string_set("A key")
	# # ...
	# for element in a_hash_set do element.delete_local_ref
	# ~~~
	fun string_set(key: String): HashSet[JavaString]
		var return_value = shared_preferences.get_string_set(key.to_java_string)
		return return_value

	# Set a key-value pair using a `HashSet[JavaString]` value
	# Returns self allowing fluent programming
	# User has to manage local stack deallocation himself
	# ~~~nitish
	# var foo = new HashSet[JavaString]
	# app.shared_preferences.add_string_set("A key", foo)
	# for element in foo do element.delete_local_ref
	# ~~~
	fun add_string_set(key: String, value: HashSet[JavaString]): SharedPreferences
		editor.put_string_set(key.to_java_string, value)
		return self