Implementation of app::assets

This module is a client of assets_and_resources as the latter covers the services of Android.

Redefined classes

redef class TextAsset

android :: assets $ TextAsset

Text file from the assets folder

All class definitions

redef class TextAsset

android :: assets $ TextAsset

Text file from the assets folder
package_diagram android::assets assets android::assets_and_resources assets_and_resources android::assets->android::assets_and_resources android::dalvik dalvik android::assets_and_resources->android::dalvik java::io io android::assets_and_resources->java::io ...>android::dalvik ...>java::io android::game game android::game->android::assets android::ui ui android::ui->android::assets android::input_events input_events android::input_events->android::game gamnit::display_android display_android gamnit::display_android->android::game android::input_events... ... android::input_events...->android::input_events gamnit::display_android... ... gamnit::display_android...->gamnit::display_android android::http_request http_request android::http_request->android::ui android::ui_test ui_test android::ui_test->android::ui android::http_request... ... android::http_request...->android::http_request android::ui_test... ... android::ui_test...->android::ui_test


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 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 environ

core :: environ

Access to the environment variables of the process
module error

core :: error

Standard error-management infrastructure.
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 io

java :: io

Services from the package
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 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 native

core :: native

Native structures for text and bytes
module numeric

core :: numeric

Advanced services for Numeric types
module platform

android :: platform

Triggers compilation for the android platform
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 sorter

core :: sorter

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

android :: assets_and_resources

Android Assets and Resources Management


module game

android :: game

Android services and implementation of app.nit for gamnit and mnit
module ui

android :: ui

Views and services to use the Android native user interface


module a_star-m


module android19

gamnit :: android19

Variation using features from Android API 19
module camera_control_android

gamnit :: camera_control_android

Two fingers camera manipulation, pinch to zoom and slide to scroll
module display_android

gamnit :: display_android

Gamnit display implementation for Android
module gamepad

android :: gamepad

Support for gamepad events (over Bluetooth or USB)
module gamnit_android

gamnit :: gamnit_android

Support services for Gamnit on Android
module http_request

android :: http_request

Android implementation of app:http_request
module input_events

android :: input_events

Pointer and hardware key events
module sensors

android :: sensors

Access Android sensors
module ui_test

android :: ui_test

Test for app.nit's UI services
# Implementation of `app::assets`
# This module is a client of `assets_and_resources` as the latter
# covers the services of Android.
module assets

intrude import assets_and_resources

redef class TextAsset
	redef fun load
		jni_env.push_local_frame 8

		var manager = app.asset_manager
		var stream =
		if stream.is_java_null then
			self.error = new Error("Failed to open asset at '{path}'")
			self.to_s = ""
			return ""

		var text = stream.read_all
		if text.is_java_null then
			self.error = new Error("Failed to read content of asset file at '{path}'")
			self.to_s = ""
			return ""

		var content = text.to_s
		self.to_s = content
		return content

redef class NativeInputStream

	# Read and return all the content of this stream
	private fun read_all: JavaString in "Java" `{
		// `available` returns the n of bytes currently available, not the total.
		// This may cause problems in the future with large asset files.
		try {
			int size = self.available();
			byte[] bytes = new byte[size];, 0, size);

			return new String(bytes);
		} catch (java.lang.Exception exception) {
			return null;