Behavior
abstract class Behavior<V : View!>
kotlin.Any | |
↳ | androidx.coordinatorlayout.widget.CoordinatorLayout.Behavior |
Interaction behavior plugin for child views of CoordinatorLayout
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A Behavior implements one or more interactions that a user can take on a child view. These interactions may include drags, swipes, flings, or any other gestures.
Summary
Public constructors | |
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<init>() Default constructor for instantiating Behaviors. |
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<init>(context: Context!, attrs: AttributeSet!) Default constructor for inflating Behaviors from layout. |
Public methods | |
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open Boolean |
blocksInteractionBelow(@NonNull parent: CoordinatorLayout, @NonNull child: V) Determine whether interaction with views behind the given child in the child order should be blocked. |
open Boolean |
getInsetDodgeRect(@NonNull parent: CoordinatorLayout, @NonNull child: V, @NonNull rect: Rect) Called when a view is set to dodge view insets. |
open Int |
getScrimColor(@NonNull parent: CoordinatorLayout, @NonNull child: V) Supply a scrim color that will be painted behind the associated child view. |
open Float |
getScrimOpacity(@NonNull parent: CoordinatorLayout, @NonNull child: V) Determine the current opacity of the scrim behind a given child view |
open static Any? |
Get the behavior-specific tag object with the given child view. |
open Boolean |
layoutDependsOn(@NonNull parent: CoordinatorLayout, @NonNull child: V, @NonNull dependency: View) Determine whether the supplied child view has another specific sibling view as a layout dependency. |
open WindowInsetsCompat |
onApplyWindowInsets(@NonNull coordinatorLayout: CoordinatorLayout, @NonNull child: V, @NonNull insets: WindowInsetsCompat) Called when the window insets have changed. |
open Unit |
onAttachedToLayoutParams(@NonNull params: CoordinatorLayout.LayoutParams) Called when the Behavior has been attached to a LayoutParams instance. |
open Boolean |
onDependentViewChanged(@NonNull parent: CoordinatorLayout, @NonNull child: V, @NonNull dependency: View) Respond to a change in a child's dependent view |
open Unit |
onDependentViewRemoved(@NonNull parent: CoordinatorLayout, @NonNull child: V, @NonNull dependency: View) Respond to a child's dependent view being removed. |
open Unit |
Called when the Behavior has been detached from its holding LayoutParams instance. |
open Boolean |
onInterceptTouchEvent(@NonNull parent: CoordinatorLayout, @NonNull child: V, @NonNull ev: MotionEvent) Respond to CoordinatorLayout touch events before they are dispatched to child views. |
open Boolean |
onLayoutChild(@NonNull parent: CoordinatorLayout, @NonNull child: V, layoutDirection: Int) Called when the parent CoordinatorLayout is about the lay out the given child view. |
open Boolean |
onMeasureChild(@NonNull parent: CoordinatorLayout, @NonNull child: V, parentWidthMeasureSpec: Int, widthUsed: Int, parentHeightMeasureSpec: Int, heightUsed: Int) Called when the parent CoordinatorLayout is about to measure the given child view. |
open Boolean |
onNestedFling(@NonNull coordinatorLayout: CoordinatorLayout, @NonNull child: V, @NonNull target: View, velocityX: Float, velocityY: Float, consumed: Boolean) Called when a nested scrolling child is starting a fling or an action that would be a fling. |
open Boolean |
onNestedPreFling(@NonNull coordinatorLayout: CoordinatorLayout, @NonNull child: V, @NonNull target: View, velocityX: Float, velocityY: Float) Called when a nested scrolling child is about to start a fling. |
open Unit |
onNestedPreScroll(@NonNull coordinatorLayout: CoordinatorLayout, @NonNull child: V, @NonNull target: View, dx: Int, dy: Int, @NonNull consumed: IntArray) |
open Unit |
onNestedPreScroll(@NonNull coordinatorLayout: CoordinatorLayout, @NonNull child: V, @NonNull target: View, dx: Int, dy: Int, @NonNull consumed: IntArray, type: Int) Called when a nested scroll in progress is about to update, before the target has consumed any of the scrolled distance. |
open Unit |
onNestedScroll(@NonNull |