User interface example using app::ui

Introduced classes

class SecondWindow

app :: SecondWindow

Another window with a small VerticalLayout
class UiExampleWindow

app :: UiExampleWindow

Window showing off some the available controls

Redefined classes

redef class Sys

app :: ui_example $ Sys

The main class of the program.

All class definitions

class SecondWindow

app $ SecondWindow

Another window with a small VerticalLayout
redef class Sys

app :: ui_example $ Sys

The main class of the program.
class UiExampleWindow

app $ UiExampleWindow

Window showing off some the available controls
package_diagram app::ui_example ui_example app::ui ui app::ui_example->app::ui app::data_store data_store app::ui_example->app::data_store android::aware aware app::ui_example->android::aware app::app_base app_base app::ui->app::app_base app::data_store->app::app_base serialization serialization app::data_store->serialization core core android::aware->core ...>app::app_base ...serialization ... ...serialization->serialization ...core ... ...core->core a_star-m a_star-m a_star-m->app::ui_example


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 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 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 core

core :: core

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

core :: exec

Invocation and management of operating system sub-processes.
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 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 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 serialization

serialization :: serialization

General serialization services
module serialization_core

serialization :: serialization_core

Abstract services to serialize Nit objects to different formats
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 aware

android :: aware

Android compatibility module
module data_store

app :: data_store

Key/value storage services
module ui

app :: ui

Portable UI controls for mobiles apps


module a_star-m


# User interface example using `app::ui`
module ui_example is
	app_name "app.nit UI"
	app_namespace "org.nitlanguage.ui_example"
	android_api_min 21
	android_api_target 21
	android_manifest_activity "android:theme=\"@android:style/Theme.Material\""

import app::ui
import app::data_store
import android::aware # for android_api_target

# Window showing off some the available controls
class UiExampleWindow
	super Window

	# Root layout
	var layout = new ListLayout(parent=self)

	# Some label
	var some_label = new Label(parent=layout, text="Sample Window using a ListLayout.")

	# A checkbox
	var checkbox = new CheckBox(parent=layout, text="A CheckBox")

	# Horizontal organization
	var h_layout = new HorizontalLayout(parent=layout)

	# Description for the `user_input`
	var user_input_label = new Label(parent=h_layout, text="Input some text:", align=0.5)

	# Field for the user to enter data
	var user_input = new TextInput(parent=h_layout, text="Default text")

	# Button to open a new window with a ListLayout
	var button_window = new Button(parent=layout, text="Open a new window")

	# URL to open
	var example_url = ""

	# Button to open the browser
	var button_browser = new Button(parent=layout, text="Open {example_url}")

	redef fun on_event(event)
		if event isa ButtonPressEvent then
			if event.sender == button_browser then
			else if event.sender == button_window then
				app.push_window new SecondWindow
		else if event isa ToggleEvent then
			if event.sender == checkbox then checkbox.text = if checkbox.is_checked then "Checked" else "Unchecked"

# Another window with a small `VerticalLayout`
class SecondWindow
	super Window

	# Root layout
	var layout = new VerticalLayout(parent=self)

	# Some label
	var a_label = new Label(parent=layout, text="This window uses a VerticalLayout.")

	# Another label
	var another_label = new Label(parent=layout, text="Close it by tapping the back button.")

redef fun root_window do return new UiExampleWindow