Simple iOS app with a single label

Redefined classes

redef class App

ios :: hello_ios $ App

App subclasses are cross-platform applications
redef extern class AppDelegate

ios :: hello_ios $ AppDelegate

Application interface to the iOS system

All class definitions

redef class App

ios :: hello_ios $ App

App subclasses are cross-platform applications
redef extern class AppDelegate

ios :: hello_ios $ AppDelegate

Application interface to the iOS system
package_diagram ios::hello_ios hello_ios ios ios ios::hello_ios->ios app app ios->app cocoa cocoa ios->cocoa json json ios->json core core ios->core ...>app ...cocoa ... ...cocoa->cocoa ...json ... ...json->json ...core ... ...core->core a_star-m a_star-m a_star-m->ios::hello_ios


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

app :: app

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

ios :: app

Basic structure for Nit apps on iOS
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 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 core

core :: core

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

cocoa :: foundation

The Foundation Kit provides basic Objective-C classes and structures
module gc

core :: gc

Access to the Nit internal garbage collection mechanism
module hash_collection

core :: hash_collection

Introduce HashMap and HashSet.
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 native

core :: native

Native structures for text and bytes
module numeric

core :: numeric

Advanced services for Numeric types
module platform

ios :: platform

Triggers compilation for the iOS 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 ios

ios :: ios

iOS platform support


module a_star-m


# Simple iOS app with a single label
module hello_ios is
	app_name "Hello iOS"
	app_namespace ""
	app_version(0, 5, git_revision)

import ios

redef class App
	redef fun did_finish_launching_with_options
		return app_delegate.hello_world

redef class AppDelegate

	# Print and show "Hello World!"
	private fun hello_world: Bool in "ObjC" `{

		// Print to the console
		NSLog(@"Hello World!");

		// Display "Hello world!" on the screen
		CGRect frame = [[UIScreen mainScreen] bounds];
		self.window = [[UIWindow alloc] initWithFrame: frame];
		self.window.backgroundColor = [UIColor whiteColor];

		UILabel *label = [[UILabel alloc] init];
		label.text = @"Hello World!"; = CGPointMake(100, 100);
		[label sizeToFit];

		// As with `self.window` we must set a `rootViewController`
		self.window.rootViewController = [[UIViewController alloc]initWithNibName:nil bundle:nil];
		self.window.rootViewController.view = label;

		[self.window addSubview: label];
		[self.window makeKeyAndVisible];

		return YES;