Simple Expressions At Play
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SimpleExpressions@Play
ShashankTiwariwww.treasuryofideas.com|www.shanky.org
shashank.>[email protected]|[email protected]|twi?er:tshanky
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What’scoming?
• Gestureseverywhere!• GesturesinFlashtoday• What’sbrewing?
• WheredoIgofromhere?
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Whatexactlyisagesture?
• Touch,mo>on,voice,thought?• Sta>c–performandhold– Example–thumbsup!,touch
• Dynamic–movementover>me– Example–wave,flick/pinch
• Welldefineddeviceconstrained|freeform
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GesturesEverywhere!
JeffHan
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GesturesEverywhere!
Wii
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GesturesEverywhere!
TheClapper
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GesturesEverywhere!
GoogleNexusOne
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GesturesEverywhere!
ATM
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GesturesEverywhere!
AirportCheck‐inkiosk
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GesturesEverywhere!
GlowingPlaces
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GesturesEverywhere!
MicrosoYSurface
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GesturesEverywhere!
Fukuda’sautoma>cdoor
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GesturesEverywhere!
enMo>on’sPapertoweldispenser
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GesturesEverywhere!
DysonAirBlade
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GesturesEverywhere!
DanceDanceRevolu>on
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GesturesEverywhere!
Cubit
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GesturesEverywhere!
Intel’stouchscreenwall
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GesturesEverywhere!
PhilipsImageocandlelight
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GesturesinFlash
• It’snotnewontheFlashpla\orm!• Sohowdowegetgesturesworking– Ifyouarenotblindtoinputs,youcanpossibleactonit.
• OldStyle–FP‐>Socket‐>deviceinputs• NewStyle–FP10.1‐>driverbakedintotheplayer
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GesturesinFlash
• OldStyle– Touchlib‐‐h?p://code.google.com/p/touchlib/
– Gestureworks‐‐h?p://gestureworks.com/– Ideo‐‐h?p://code.google.com/p/ideo‐mul>touch/
– Touche‐‐h?p://code.google.com/p/touche/– (op>calmul>‐touch)
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GesturesinFlash
• NewStyle– Build‐insupportinFlashPlayer10.1andAIR2• Formul>‐touchgestures• Promisingtobecrosspla\orminfuture
– (providedthatispossible!)
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GesturesinFlash
• Beforewelearnaboutthemul>‐touchsupport,letsseewhat’sinfluencingit…
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GesturesinFlash
• Typesoftouchdevices:• Resis>ve‐‐(example:Kiosks)– 2thinelectricallyconduc>velayersseparatedbyagap
– Ontouchpanelsgetconnected– Panelsactasvoltagedividerpairwithconnectedoutputs
– Changeinelectriccurrentregisteredasatouchevent
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GesturesinFlash
• Capaci>ve–– InsulatorlikeglasscoveredwithaconductorlikeIndiumTinOxide(ITO)
– Humanbodyisagoodcondutor
– Ontouchelectrosta>cfieldisdistorted,whichisrecordedasachangeincapacitance(abilityofabodytoholdcharge)
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GesturesinFlash
• Op>calImaging–– 2or>imagesensorsplacedaroundedges
– Ontheotherside,inthecamera’sfieldofviewinfraredlightisplaced
– touchtranslatestoshadow– Pairofcamerastriangulatedtolocateatouch
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GesturesinFlash
• Surfacewaveacous>cs–– Ultrasonicwavespassoverthesurface– Touchabsorbsultrasonicwaves
• Dispersivesignal– Sensorstouchmechanicalenergyintheglassduetotouch
• Straingauge– Springmountedon4corners– Gaugesdeterminedeflec>onontouch
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GesturesinFlash
• Numberoftouchpoints– 2seemstoomany!
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GesturesinFlash
• Mul>‐touchdevices–whathavewegot?– 3M—M2256PWwithten‐fingersupport– Acer—AcerAspire1820PT&5738PG– Apple—iPhone,iPad,iPodTouch,MacBook,MacBookAir,MacBookPro,MagicMouse
– Asus—EEEPCT91MT&T101MT– CircleTwelve—DiamondTouch– Dell—La>tudeXT&XT2,Mini5,Studio17– Google—NexusOne– Hewle?‐Packard—HPTouchsmart– HTC—HTCHero,HTCHD2– Ideum—MT‐50Mul>touchTable
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GesturesinFlash– Lenovo—X200&T400– LGElectronics—Arena,BL40NewChocolate– MicrosoY—Surface,ZuneHD– Motorola—Droid– MULTIVISION—Mul>‐TouchLCD—upto32fingers– Nortd—TouchKit– Palm—Pre,Pixi– Percep>vePixel—Mul>‐TouchCollabora>onWall– Shu?leInc.—Mul>‐touchLCDX50v2– Sony—VAIOLSeriesAll‐in‐onedesktops– TycoElectronics/EloTouchSystems‐IntelliTouchPlusSurface
Acous>cWaveMul>‐touchTouchTechnology– Wacom—Bambootablets
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GesturesinFlash
• ForstartershowdoIfindifFP10.1|AIR2knowsofthetouchevents?
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GesturesinFlash
Mul>touch.supportsGestureEvents– Doesit?
Mul>touch.supportsTouchEvents– Doesit?
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GesturesinFlash
• Isitsingletouchorgestures?
– SetthecorrectinputMode
– Whichissetflash.ui.Mul>touch.inputMode
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GesturesinFlash
• flash.ui.Mul>touchInputMode– GESTURE–gesturesrecognized,simpletouchevent=mouseevent
– NONE–everythingistreatedasamouseevent
– TOUCH_POINT–onlythebasictouchevents,nogestures
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GesturesinFlash
• Howmanytouchpointsaresupported?
– Mul>touch.maxTouchPoints 16Of45
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GesturesinFlash
• ToucheventorGestureevent?• flash.events.TouchEvent
• flash.events.GestureEvent• flash.events.TransformGestureEvent
• flash.events.PressAndTapGestureEvent
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GesturesinFlash
• TouchEvent– TOUCH_BEGIN– TOUCH_END– TOUCH_MOVE– TOUCH_OUT
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GesturesinFlash
• TouchEvent(…cont)– TOUCH_OVER– TOUCH_ROLL_OUT– TOUCH_ROLL_OVER– TOUCH_TAP
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GesturesinFlash
• Proper>estheTouchEventobjecthas–– touchPointID–uniqueIDa?achedtothetouchpoint
– localX–xcoordinaterela>vetothesprite– localY–ycordinaterela>vetothesprite– sizeX–widthofthecontactarea– sizeY–heightofthecontactarea
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GesturesinFlash
• Proper>estheTouchEventobjecthas(…cont)–– controlKey– commandKey– altKey– shiYKey
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GesturesinFlash
• Rawtoucheventscanbehandledtounderstandgestures,buttherearesomealreadythere. 22
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GesturesinFlash
• TransformGestureEvent– GESTURE_PAN– GESTURE_ROTATE– GESTURE_SWIPE– GESTURE_ZOOM
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GesturesinFlash
• GESTURE_PAN
• h?p://gestureworks.com/wp‐content/themes/gestureWorks/images/gesturePngs/lock_two_pan.png
• (h?p://i.msdn.microsoY.com/Dd940543.gestures%28en‐us,VS.85%29.png)
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GesturesinFlash
• GESTURE_ROTATE
• h?p://gestureworks.com/wp‐content/themes/gestureWorks/images/gesturePngs/two_finger_rotate.png
• (h?p://i.msdn.microsoY.com/Dd940543.gestures%28en‐us,VS.85%29.png)
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GesturesinFlash
• Whataboutthis?
• h?p://gestureworks.com/wp‐content/themes/gestureWorks/images/gesturePngs/two_hand_rotate.png
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GesturesinFlash
• GESTURE_SWIPE
• h?p://regmedia.co.uk/2008/12/29/swipe_patent1.jpg• (h?p://i.msdn.microsoY.com/Dd940543.gestures%28en‐us,VS.85%29.png)
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GesturesinFlash
• Whataboutthis?
• Onefingerflick‐‐h?p://gestureworks.com/wp‐content/themes/gestureWorks/images/gesturePngs/one_finger_swipe.png
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GesturesinFlash
• Andthis?
• Twofingerflick‐‐h?p://gestureworks.com/wp‐content/themes/gestureWorks/images/gesturePngs/two_finger_swipe.png
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GesturesinFlash
• GESTURE_ZOOM
• h?p://gestureworks.com/wp‐content/themes/gestureWorks/images/gesturePngs/two_finger_zoom_in.png
• (h?p://i.msdn.microsoY.com/Dd940543.gestures%28en‐us,VS.85%29.png)
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GesturesinFlash
• Whataboutthis?
• Mul>pointzoom‐‐h?p://gestureworks.com/wp‐content/themes/gestureWorks/images/gesturePngs/two_hand_zoom_in.png
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GesturesinFlash
• Andthis?
• h?p://gestureworks.com/wp‐content/themes/gestureWorks/images/gesturePngs/pinch_zoom.png
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GesturesinFlash
• GestureEvent– GESTURE_TWO_FINGER_TAP
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GesturesinFlash
• GESTURE_TWO_FINGER_TAP
• h?p://gestureworks.com/wp‐content/themes/gestureWorks/images/gesturePngs/two_finger_tap.png• h?p://i.msdn.microsoY.com/Dd940543.gestures%28en‐us,VS.85%29.png
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GesturesinFlash
• Whataboutthis?
• Twofingerdoubletap‐‐h?p://gestureworks.com/wp‐content/themes/gestureWorks/images/gesturePngs/two_finger_double_tap.png
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GesturesinFlash
• PressAndTapGestureEvent– GESTURE_PRESS_AND_TAP
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GesturesinFlash
• GESTURE_PRESS_AND_TAP
• h?p://i.msdn.microsoY.com/Dd940543.gestures%28en‐us,VS.85%29.png
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GesturesinFlash
• Letsseeasimpleexample(amediasorter)– FP10.1– AIR2 38
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GesturesinFlash
• Sowhatworks?• Win7–allgood
• Mac–AIR2|FP10.1
• Linux–some>mesworks!
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GesturesinFlash
• Anotherexample(asoYkeyboard)– OlderFP(earlierthantheonethatofficiallysupportstouchandgestures)
– FP10.1– AIR2
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GesturesinFlash
• Yetanotherexample(anelementaryrota>ngglobe)
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GesturesinFlash
• Whataboutcustomgestures?– Combina>on|Aggrega>on
– Extension 42Of45
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GesturesinFlash
• Aggrega>on• GESTURE_ZOOM+TAP– <>.addEventListener(TransformGestureEvent.GESTURE_ZOOM,onZoom);
– func>ononZoom(evt:TransformGestureEvent):void{if(evt.phase==GesturePhase.BEGIN){addeventlistenerfortap–whichistranslatedtoamouseclick}
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GesturesinFlash
• Aggrega>on• GESTURE_ZOOM+GESTURE_ROTATE
• ? 44Of45
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GesturesinFlash
• Extension– Listentorawtoucheventsanduseyourbrilliance!
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What’sbrewing?
• Extendgesturesupportbeyondthebasics– Gesturekit‐‐h?p://code.google.com/p/gesturekit/ 1
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What’sbrewing?
• Helpthosewhodon’thaveaccesstoamul>‐touchdevice– Startwithmul>touchup.com– Relyonyourmouse– Mactrackpadisn’tbad(withAIR2)
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What’sbrewing?
• TouchdragsupportwithintheFPapi• Supportonallpla\orms– Mobileseemsapriority 3
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What’sbrewing?
• Newerdevices–smartphones,slatesandnetbooks
• Newertouchaccesspoints–kiosks,surfacesandwalls
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What’sbrewing?
• Integra>onwithgesturesbeyondtouch– Mo>ondetec>on
– Soundrecogni>on– Freeformexpressions– Simultaneoustrackingofeachofthese
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WheredoIgofromhere?
• GetFP10.1&AIR2• Getholdofatouchscreen|device• Readthedocumenta>on– h?p://help.adobe.com/en_US/as3/dev/WSb2ba3b1aad8a27b0‐6�37601221e58cc29‐8000.html
– h?p://help.adobe.com/en_US/FlashPla\orm/beta/reference/ac>onscript/3/flash/events/TouchEvent.html
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WheredoIgofromhere?
• Writeanapportwo• GiveupyoursleeptrackingtheTouchEvent!
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WheredoIgofromhere?
• Explore– Unistrokerecognizer‐‐h?p://depts.washington.edu/aimgroup/proj/dollar/
– h?p://www.betriebsraum.de/projects/gestures/
• Gestureworks–Opensourcegesturelibrary– h?p://gestureworks.com/about/open‐source‐gesture‐library/
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WheredoIgofromhere?
• Gesturerecogni>on‐‐h?p://github.com/sqrtof5/GestureRecogni>on
• Touchlibsource–– h?p://code.google.com/p/touchlib/source/browse/trunk/AS3/int/app/core/ac>on/gestures/GestureNormalizer.as
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Thispresenta>on&demos?
• h?p://shanky.org/publish‐and‐present/flex• h?p://www.treasuryofideas.com/gestures/touch/MediaSorter/MediaSorter.html
– Iwilltweettheexactlinksandwhentheupdatedversionsareready–twi?er:tshanky
– Imagesforslidesweredownloadedfromtheweb.Thecopyrightsiswiththeirrespec>veowners
– Referencestomaterialusedbetweenslides4and18isavailableath?p://www.shanky.org/references/simple_expressions_at_play_references.pdf.
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Thanksforcoming!
ShashankTiwariwww.treasuryofideas.com|www.shanky.org
[email protected]|[email protected]|
twi?er:tshanky