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Objective-C Vitamins
Ash Furrow, iOS Developer & Author
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Accessibility
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Matters
Accessibility
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Ontario Citizens
1 in 7
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Ontario Citizens
Broader
1 in 7
Appeal
Market
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Legislation
Ontario Citizens
Broader
AODA
1 in 7
Appeal
Market
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Legislation
Ontario Citizens
Broader
Low Cost in iOS
AODA
Relatively
1 in 7
Appeal
Market
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iOS is
and
visual
aural
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You wouldn’t ship a
bad visual interface
Why would you ship a
bad aural one?
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Accessibility is
HARD
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WHY?
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TURN VoiceOver ON
(seriously)
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Accessibility is
EASY
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UIAccessibility
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Part of UIKit Built in
UIAccessibility
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Part of UIKit Built in
UIAccessibility
Conformed to by UIView Built in
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Part of UIKit Built in
UIAccessibility
Conformed to by UIView Built in
You can roll your own Built in
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UIAccessibilityTraits
Causes
Page
Turn
Starts
Media
Session
None
Button
Link
Search Field
Image
Plays Sound
Keyboard Key
Static Text
Summary
Element
Not Enabled Updates Frequently
Adjustable
Allow Direct Interaction
Header
Selected
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invisible
THE
BUTTON
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Using
as
button
labels
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drawRect:
UITableViewCell
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Localization
ຊԽ
ϩʔΧϥΠθʔγϣϯ
!"#$%&ا
локализация
lokalisasyon
lokalisatie
εντοπισµός
localisation
localización
lokalisering
localização
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Honour
Building quality software
is a measure of
Quality
Building accessible software
is a measure of
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Testing
Unit
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WHAT IS
UNIT TESTING?
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WHY UNIT TEST?
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MODEL
CONTROLLER
VIEW
KVO
OWNS OWNS
USER
INTERACTION
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MODEL
CONTROLLER
VIEW
KVO
OWNS OWNS
USER
INTERACTION
EXTENSION EXTENSION
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“Common things are easy and
uncommon things are possible.”
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Uncommon
“Common things are easy and
uncommon things are possible.”
Unit Testing is
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Uh oh.
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Yes!
In Objective-C?
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No content
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- (void)testExample
{
STFail(@"Unit tests are not implemented yet in
My Sweet New AppTests");
}
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And that’s it.
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OCMock
Introducing
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Objects
Mock
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NSURLRequest *dummyURLRequest = [NSURLRequest requestWithURL:[NSURL URLWithString:@"http://
example.com"]];
PXRequest *requestUnderTest = [[PXRequest alloc] initWithURLRequest:dummyURLRequest completion:nil];
id mockConnection = [OCMockObject niceMockForClass:[NSURLConnection class]];
[[mockConnection expect] start];
id partialRequestMock = (PXRequest *)[OCMockObject partialMockForObject:requestUnderTest];
[[[partialRequestMock stub] andReturn:mockConnection] urlConnectionForURLRequest:OCMOCK_ANY];
[partialRequestMock start];
[mockConnection verify];
A Simple Test
A lot of Code
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Why?
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Because OCMock is
OLD and BUSTED
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New Hotness
Kiwi
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Integrates
Xcode
with
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No content
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describe(@"ClassName", ^{
context(@"a state the component is in", ^{
__block id variable = nil;
it(@"should do something", ^{
[[variable should] meetSomeExpectation];
});
specify(^{
[variable shouldNotBeNil]
});
});
});
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describe(@"ClassName", ^{
context(@"a state the component is in", ^{
__block id variable = nil;
beforeAll(^{ // Occurs once
});
afterAll(^{ // Occurs once
});
beforeEach(^{ // Occurs before each enclosed "it"
variable = [MyClass instance];
});
afterEach(^{ // Occurs after each enclosed "it"
});
});
});
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VIOUR DRIVEN DEVELOPMENT
BEHAVIOUR DRIVEN DEVELOPMENT
R DRIVEN DEVELOPMENTBEHAVIOUR D
BEHAVIOU
BEHAVIOUR DRIVEN DEVEL
BEHAVIOUR DRIVEN DEVELOPMENT
VELOPMENT
NT
DEVELOPMENT
NT
BEHAVIOUR DRIVEN DEV
UR DRIVEN DEVELOPMENTBEHAVIOUR
BEHAVIOUR DRIVEN DEVELOPMENTBEH
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GTFO.
UAT?
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SOURCE
OPEN
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INSULAR
Objective-C Developers Tend to be
(probably historical)
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WITHOUT
IMAGINE A WORLD
RubyGems
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Copy Files Ugh.
OPTIONS
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Copy Files Ugh.
OPTIONS
Git Submodules Complicated.
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Copy Files Ugh.
OPTIONS
Git Submodules Complicated.
CocoaPods DAZZLINGLY AMAZING.
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Dependency Management
CocoaPods
Versioning
GitHub
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DEVELOPERS
STUBBORN
are
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DEVELOPERS
DON’T KNOW
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THE TOOLS
SUCK
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Let’s
LEARN
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Let’s
TEACH
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Let’s
BLOG
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http://ashfurrow.com/book
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@ashfurrow
ashfurrow.com