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Design'101'for'Developers Stephen'Barnes','@smbarne mdevcon(2015 1

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Who$is$this$guy? Hello,&I'm&Stephen.& ! !smbarne engineeringart.io 2

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WHY 3

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O.K.$Really,$Though... • Interdiciplinary.teams • Small.teams • Closer.user.interac5on.than.desktop.so8ware • Compe55ve.marketplace 7

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"I#can't#do#design." 8

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Not$True I"can't"do"design. 9

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A"Designer"Is"A"Problem"Solver 10

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What%we%need,%are%TOOLS 11

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Color%•%Space%•%Shape%•%Composi0on%•% Alignment%•%Dominance%•%Similarity%•%Rhythm% •%Texture%•%Direc0on%•%Contrast%•%Typography% •%Whitespace%•%Balance 12

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Factory(Pa*ern(•(Singleton(•(Command( Pa*ern(•(Dynamic(Programming(•(Responder( Chain(•(Itera;on(•(Recursive(•(Mutex(•( Mul;threading(•(Encapsula;on 13

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Tools%help%us%solve%problems 14

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What%is%Design? 15

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de#sign((\di%ˈzīn) To#plan#and#make#(something)#for#a#specific# use#or#purpose 16

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Design'is'thinking'made'visual.' 2'Saul'Bass 17

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There%are%many%types%of%design Today,'we'll'primarily'discuss'user'interface' design'and'user'experience'design 18

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User%interface%design!or!user% interface%engineering!is!the!design! of!user!interfaces!for!machines!and! so1ware,!such!as!computers,!home! appliances,!mobile!devices,!and! other!electronic!devices,!with!the! focus!on!maximizing%the%user% experience. 19

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User%Exerience%Design!is!Systems%Design 20

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Fundamentals+of+Design Vitruvius()(De#Architectura((1st(century(BC) 21

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FIRMITAS Strength(and(Durability 22

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u"litas 23

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UTILITAS Usefulness(And(Suitability(For(The(Intended( User 24

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VENUSTAS Beauty 25

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Aesthe&c(Usability/Effect The$aesthe(c*usability$effect$describes$a$phenomenon$in$which$ people$perceive$more*aesthe(c$designs$as$easier$to$use$than$less* aesthe(c$designs—$whether$they$are$or$not.1 1"Lidwell,"William;"Holden,"Kri3na;"Butler,"Jill"(2010;01;01)."Universal"Principles"of"Design."Crea3ve"Publishing" Interna3onal. 26

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Design'='Art Art$!=$Design 27

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TOOLS 29

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EMPHASIS 30

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iOS$7$shook$up$the$market$and,$by$ pure$luck,$shi8ed$high:end$iOS$ design$away$from$fashions$I$could$ never$compete$in$—$heavy$use$of$ textures$and$complex$graphical$ widgets$—$into$what$I$could$actually$ do:$simplicity,*space,*and* typography.$:$Marco$Arment 31

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Emphasis Also%known%as%dominance%in%graphic%design. • The%first%thing%the%eye%sees • O/ent%the%central%part%of%the%design,%from%which%all%other%parts% radiate 32

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Design'Is'To'Manipulate'The'Viewer Dominance)is)where)the)viewer)is)to)start) looking There%is%an%order%in%a%design.%You%want%the% viewer%to%follow%the%correct%direc6on,%ge8ng% informa6on%in%the%correct%order. 33

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"Elements)that)are)close)together) are)perceived)to)be)more related)than)elements)that)are) farther)apart."5 5"William"Lidwell,"Kri/na"Holden"&"Jill"Butler."“Universal"Principles"of"Design.” 36

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Gestalt'Principles'And'Visual'Hierarchy 37

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COLOR 38

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Lets%define%some%jargon 39

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hue$((h)yo ͞ o) The$a&ribute$of$a$color$by$virtue$of$which$it$is$ discernible$as$red,$green,$etc.,$and$which$is$ dependent$on$its$dominant$wavelength,$and$ independent$of$intensity$or$lightness. 40

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Hue$is$what$we$refer$to$when$we$ give$a$descrip4on$for$a$color "Blue"&•&"Orange"&•&"Purple" 41

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Monochroma)c*means*of*the*same*color*(the* same*hue) 42

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Complementary,Colors • Highest)contrast)from)one)of)another • Opposite)on)color)wheel 45

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Triad&Colors • Good%for%a%color%pale-e • 3%colors%of%equal%distance 46

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Picking'a'Pale+e Start%from%a%set%of%colors%which%live%in%the% same%neighborhood%on%the%5nts,%shades,%and% tones%scale 47

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Complimentary-Colors-Work-As-Well 52

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Color%Pale)es%don't% have%to%be%hard 56

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Color%Resources • Google'Material'Colors'/'google.com/design/spec/style/ color.html • Color'Lovers'/'colourlovers.com/ • I'Want'Hue'/'tools.medialab.sciences/po.fr/iwanthue • Adobe'Kuler'/'hDps:/ /color.adobe.com/create/color/wheel/ 58

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TYPOGRAPHY (Windows)Phone)Devs)Take)Note) 59

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But$I$really$Want$A$Custom$Font. • Proxima)Nova • Gotham • Avenir • Futura • Open)Sans • Bariol 61

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Side%Note%For%iOS iosfonts.com 62

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Text%Should%Always%Be%Legible 63

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TEXT$SHOULD ALWAYS BE$LEGIBLE 64

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Contrast!in!type!sizes!can!go!a!long! way!to!create!ordered,! understandable!layouts...!too!many! can!be!messy.3 3"Google"Android"Typography"Guidelines 65

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TEXT$SHOULD$BE$CONSISTENT 66

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iOS static const CGFloat kSBTextVerySmall = 8.0f; static const CGFloat kSBTextSmall = 10.0f; static const CGFloat kSBTextStandard = 14.0f; static const CGFloat kSBTextLarge = 18.0f; static const CGFloat kSBTextVeryLarge = 22.0f; static const CGFloat kSBTextGigantic = 26.0f; 67

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Android 10sp 12sp 14sp 16sp 18sp 20sp 68

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Aesthe&cly*pleasing. Less*Usable. 69

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Aesthe&cly*Pleasing.* More*Usable. • Add$dark$shade$to$background • Increases$font$size • Increases$contrast • Centers$text 70

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Font%Weight%+%Size%+%Color Is#Visual#Heirarchy 71

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COMPOSITION)TECHNIQUES 77

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Propor%on!is!key!in!making!things! look!beau1ful.2 2"David"Kadavy."“Design"for"Hackers.” 78

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The$Golden$Ra,o 79

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Rule%of%Space • Used&to&illustrate&depth • We&don't&want&ambiguous&space • Atmospheric&Perspec:ve 80

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Illustra(on+of+ Depth 81

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Atmospheric, Perspec.ve 82

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Whitespace Let$the$informa-on$breath 83

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You$already$know$about$whitespace... #pragma mark - UITextFieldDelegate methods - (BOOL) textFieldShouldReturn:(UITextField *)textField { [self.flickr searchFlickrForTerm:textField.text completionBlock:^(NSString *searchTerm, NSArray *results, NSError *error) { if(results && [results count] > 0) { if(![self.searches containsObject:searchTerm]) { [self.searches insertObject:searchTerm atIndex:0]; self.searchResults[searchTerm] = results; } dispatch_async(dispatch_get_main_queue(), ^{ }); } else { NSLog(@"Error searching Flickr: %@", error.localizedDescription);} }]; [textField resignFirstResponder]; return YES; } 84

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Simplicity)is)not)the)goal,)it's)the)by4 product)of)a)good)idea)and)modest) expecta:ons.)4)Paul)Rand 85

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Contrast(and(Balance If#you#make#everything#bold,!nothing!is!bold. 87

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Balance People&like&balance;&we&are&creatures&of&symmetry&and&appreciate&it& in&everything.&A&design&is&like&a&real&world&building:&it&needs&to&be& balanced&or&it&doesn’t&work.4 4"NHS"Designs 88

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Achieving)Balance • Color"Colors"have"weight"(More"Satura4on"="Heavier) • Shape"Squares"can"be"heavier"than"circles • Lines"Thin"vs."thick • Size"larger=heavier 89

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INFORMATION)DENSITY 90

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How$About$A$More$Prac/cal$ Example 91

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FOURSQUARE)REDESIGNED 92

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FOURSQUARE 93

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FOURSQUARE)REDESIGNED 94

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Alternate(composi/ons 95

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ANIMATIONS 97

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Good$Anima*ons • Provide(Context • Instruct • Interact 98

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Provide(Context 99

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Instruct 100

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Interact 101

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Anima&ons)can)be)subtle 102

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Or#(occasionally)#not 103

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Implementa)on+Details 104

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reloadData)Is)The)Enemy! 105

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I'm$looking$at$you$as$ well,$other$pla6orms 106

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Add#Some#Delight! 107

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TRANSITIONS github.com/Raizlabs/ RZTransi5ons 108

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Your%App%Will%Be%Remembered By%The%Expierences%It%Provides 110

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Recap&'&Anima,ons • Provide(Context • Instruct • Interact 111

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Design'Review (Like&Code&Reviews&For&Your&Designs) 112

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• Who%is%this%design%for? • Is%this%design%Effec4ve? • Is%this%design%visually%appealing?% 114

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Product "Is$this$valuable" • Value • Useful • Makes,Sense • Vision 115

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Interac(on "Does&it&make&sense" • Intu&ve • Naviga&on • Transi&ons1&1Anima&ons • Touch1States 116

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Visual "Does&it&look&good" • Typography • Colors • Graphics • Cohesive2Look2and2Feel 119

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RECAP 120

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DURABLE(•(USABLE(•(BEAUTIFUL 121

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TOOLS • Color • Typography • Composi/on • Anima/on • Design4Review 122

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This%is%nice%and%all... But$how$about$some$reference 123

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Slides Speakerdeck)*)h,ps:/ /speakerdeck.com/smbarne 124

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Reading Google&Design&Guidelines&-&developer.android.com/design Apple&HIG&-&developer.apple.com/library/ios/documenta

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UI#Inspira*on#and#Reference Dribbble'•'dribbble.com p/rns'•'p/rns.com inspired2ui'•'inspired2ui.com capp5vate.co'•'capp5vate.co mobile2pa/erns'•'mobile2pa/erns.com Android'Nice5es'•'androidnice5es.tumblr.com MaterialUp'•'materialup.com 126

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Typography iOS iosfonts.com HIG-.-Color-and-Typography Android Roboto Windows(Phone 127

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Color Colour&Lovers&•&colourlovers.com iWantHue&•&tools.medialab.sciences7po.fr/iwanthue 128

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Books Universal*Principles*of*Design Design*for*Hackers:*Reverse*Engineering*Beauty 129

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Thanks'Everyone! Let's&go&build& something&awesome ! !smbarne engineeringart.io 130