AppBarLayout.ScrollingViewBehavior
public
static
class
AppBarLayout.ScrollingViewBehavior
extends Behavior<V extends View>
| java.lang.Object | ||
| ↳ | androidx.coordinatorlayout.widget.CoordinatorLayout.Behavior<V extends android.view.View> | |
| ↳ | com.google.android.material.appbar.AppBarLayout.ScrollingViewBehavior | |
Behavior which should be used by Views which can scroll vertically and support nested
scrolling to automatically scroll any AppBarLayout siblings.
Summary
Public constructors | |
|---|---|
ScrollingViewBehavior()
|
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ScrollingViewBehavior(Context context, AttributeSet attrs)
|
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Public methods | |
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int
|
getLeftAndRightOffset()
|
final
int
|
getOverlayTop()
Returns the distance that this view should overlap any |
int
|
getTopAndBottomOffset()
|
boolean
|
isHorizontalOffsetEnabled()
|
boolean
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isVerticalOffsetEnabled()
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boolean
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layoutDependsOn(CoordinatorLayout parent, View child, View dependency)
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boolean
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onDependentViewChanged(CoordinatorLayout parent, View child, View dependency)
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void
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onDependentViewRemoved(CoordinatorLayout parent, View child, View dependency)
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boolean
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onLayoutChild(CoordinatorLayout parent, V child, int layoutDirection)
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boolean
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onMeasureChild(CoordinatorLayout parent, View child, int parentWidthMeasureSpec, int widthUsed, int parentHeightMeasureSpec, int heightUsed)
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boolean
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onRequestChildRectangleOnScreen(CoordinatorLayout parent, View child, Rect rectangle, boolean immediate)
|
void
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setHorizontalOffsetEnabled(boolean horizontalOffsetEnabled)
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boolean
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setLeftAndRightOffset(int offset)
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final
void
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setOverlayTop(int overlayTop)
Set the distance that this view should overlap any |
boolean
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setTopAndBottomOffset(int offset)
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void
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setVerticalOffsetEnabled(boolean verticalOffsetEnabled)
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Protected methods | |
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void
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layoutChild(CoordinatorLayout parent, V child, int layoutDirection)
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void
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layoutChild(CoordinatorLayout parent, View child, int layoutDirection)
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boolean
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shouldHeaderOverlapScrollingChild()
|
Inherited methods | |
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Public constructors
ScrollingViewBehavior
public ScrollingViewBehavior ()
ScrollingViewBehavior
public ScrollingViewBehavior (Context context,
AttributeSet attrs)| Parameters | |
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context |
Context |
attrs |
AttributeSet |
Public methods
getLeftAndRightOffset
public int getLeftAndRightOffset ()
| Returns | |
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int |
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getOverlayTop
public final int getOverlayTop ()
Returns the distance that this view should overlap any AppBarLayout.
| Returns | |
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int |
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getTopAndBottomOffset
public int getTopAndBottomOffset ()
| Returns | |
|---|---|
int |
|
isHorizontalOffsetEnabled
public boolean isHorizontalOffsetEnabled ()
| Returns | |
|---|---|
boolean |
|
isVerticalOffsetEnabled
public boolean isVerticalOffsetEnabled ()
| Returns | |
|---|---|
boolean |
|
layoutDependsOn
public boolean layoutDependsOn (CoordinatorLayout parent,
View child,
View dependency)| Parameters | |
|---|---|
parent |
CoordinatorLayout |
child |
View |
dependency |
View |
| Returns | |
|---|---|
boolean |
|
onDependentViewChanged
public boolean onDependentViewChanged (CoordinatorLayout parent,
View child,
View dependency)| Parameters | |
|---|---|
parent |
CoordinatorLayout |
child |
View |
dependency |
View |
| Returns | |
|---|---|
boolean |
|
onDependentViewRemoved
public void onDependentViewRemoved (CoordinatorLayout parent,
View child,
View dependency)| Parameters | |
|---|---|
parent |
CoordinatorLayout |
child |
View |
dependency |
View |
onLayoutChild
public boolean onLayoutChild (CoordinatorLayout parent,
V child,
int layoutDirection)| Parameters | |
|---|---|
parent |
CoordinatorLayout |
child |
V |
layoutDirection |
int |
| Returns | |
|---|---|
boolean |
|
onMeasureChild
public boolean onMeasureChild (CoordinatorLayout parent,
View child,
int parentWidthMeasureSpec,
int widthUsed,
int parentHeightMeasureSpec,
int heightUsed)| Parameters | |
|---|---|
parent |
CoordinatorLayout |
child |
View |
parentWidthMeasureSpec |
int |
widthUsed |
int |
parentHeightMeasureSpec |
int |
heightUsed |
int |
| Returns | |
|---|---|
boolean |
|
onRequestChildRectangleOnScreen
public boolean onRequestChildRectangleOnScreen (CoordinatorLayout parent,
View child,
Rect rectangle,
boolean immediate)| Parameters | |
|---|---|
parent |
CoordinatorLayout |
child |
View |
rectangle |
Rect |
immediate |
boolean |
| Returns | |
|---|---|
boolean |
|
setHorizontalOffsetEnabled
public void setHorizontalOffsetEnabled (boolean horizontalOffsetEnabled)
| Parameters | |
|---|---|
horizontalOffsetEnabled |
boolean |
setLeftAndRightOffset
public boolean setLeftAndRightOffset (int offset)
| Parameters | |
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offset |
int |
| Returns | |
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boolean |
|
setOverlayTop
public final void setOverlayTop (int overlayTop)
Set the distance that this view should overlap any AppBarLayout.
| Parameters | |
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overlayTop |
int: the distance in px
|
setTopAndBottomOffset
public boolean setTopAndBottomOffset (int offset)
| Parameters | |
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offset |
int |
| Returns | |
|---|---|
boolean |
|
setVerticalOffsetEnabled
public void setVerticalOffsetEnabled (boolean verticalOffsetEnabled)
| Parameters | |
|---|---|
verticalOffsetEnabled |
boolean |
Protected methods
layoutChild
protected void layoutChild (CoordinatorLayout parent,
V child,
int layoutDirection)| Parameters | |
|---|---|
parent |
CoordinatorLayout |
child |
V |
layoutDirection |
int |
layoutChild
protected void layoutChild (CoordinatorLayout parent,
View child,
int layoutDirection)| Parameters | |
|---|---|
parent |
CoordinatorLayout |
child |
View |
layoutDirection |
int |
shouldHeaderOverlapScrollingChild
protected boolean shouldHeaderOverlapScrollingChild ()
| Returns | |
|---|---|
boolean |
|