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CoordinatorLayoutのBehaviorを使い倒す
HiroYUKI Seto
December 12, 2019
Technology
1
200
CoordinatorLayoutのBehaviorを使い倒す
19/12/12
DMM Android勉強会 #3
HiroYUKI Seto
December 12, 2019
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Transcript
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X © DMM.com $PPSEJOBUPS-BZPVUΛ༻ҙ͢Δ $PPSEJOBUPS-BZPVUͷࢠ7JFXʹ app:layout_behavior ଐੑΛՃ͢Δ Ҏ্ʂ $PPSEJOBUPS-BZPVU#FIBWJPS
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X © DMM.com
X © DMM.com $PPSEJOBUPS-BZPVU#FIBWJPS
X © DMM.com
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X © DMM.com • layoutDependsOn w ҙͷ7JFXͰ͋Δ͔Λฦ͢ • onDependentViewChanged w
ҙͷ7JFXͷϨΠΞτ͕มΘΔͱݺΕΔ • onNestedScroll / onNestedFling w ରͷ7JFX͕4DSPMM'MJOH͞ΕΔͱݺΕΔ େࣄͳϝιου
X © DMM.com αϯϓϧϦϙδτϦ IUUQTHJUIVCDPNIJSPZVLJTFUPCFIBWJPSTBNQMF
X © DMM.com class FabRotationBehavior() : CoordinatorLayout.Behavior<View>() { // xmlͰࢦఆͨ͠ࡍʹݺΕΔίϯετϥΫλ
constructor( context: Context, attrs: AttributeSet ) : this() } ࣮ίϯετϥΫλ
X © DMM.com override fun layoutDependsOn( … ): Boolean {
return dependency is NestedScrollingChild2 } ࣮PO4UBSU/FTUFE4DSPMM
X © DMM.com override fun onStartNestedScroll( … ): Boolean {
//trueΛฦ͢ͱ onNestedScroll ͕ݺΕΔ return true } ࣮PO4UBSU/FTUFE4DSPMM
X © DMM.com override fun onNestedScroll( … dyConsumed: Int …
) { child.rotation += dyConsumed } ࣮PO/FTUFE4DSPMM
X © DMM.com Ͳ͏͏
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