belongs to Maven artifact com.android.support:support-compat:28.0.0-alpha1
ScrollingView
public
interface
ScrollingView
android.support.v4.view.ScrollingView |
Known Indirect Subclasses |
An interface that can be implemented by Views to provide scroll related APIs.
Summary
Public methods | |
---|---|
abstract
int
|
computeHorizontalScrollExtent()
Compute the horizontal extent of the horizontal scrollbar's thumb within the horizontal range. |
abstract
int
|
computeHorizontalScrollOffset()
Compute the horizontal offset of the horizontal scrollbar's thumb within the horizontal range. |
abstract
int
|
computeHorizontalScrollRange()
Compute the horizontal range that the horizontal scrollbar represents. |
abstract
int
|
computeVerticalScrollExtent()
Compute the vertical extent of the vertical scrollbar's thumb within the vertical range. |
abstract
int
|
computeVerticalScrollOffset()
Compute the vertical offset of the vertical scrollbar's thumb within the horizontal range. |
abstract
int
|
computeVerticalScrollRange()
Compute the vertical range that the vertical scrollbar represents. |
Public methods
computeHorizontalScrollExtent
int computeHorizontalScrollExtent ()
Compute the horizontal extent of the horizontal scrollbar's thumb within the horizontal range. This value is used to compute the length of the thumb within the scrollbar's track.
The range is expressed in arbitrary units that must be the same as the
units used by computeHorizontalScrollRange()
and
computeHorizontalScrollOffset()
.
The default extent is the drawing width of this view.
Returns | |
---|---|
int |
the horizontal extent of the scrollbar's thumb |
computeHorizontalScrollOffset
int computeHorizontalScrollOffset ()
Compute the horizontal offset of the horizontal scrollbar's thumb within the horizontal range. This value is used to compute the position of the thumb within the scrollbar's track.
The range is expressed in arbitrary units that must be the same as the
units used by computeHorizontalScrollRange()
and
computeHorizontalScrollExtent()
.
The default offset is the scroll offset of this view.
Returns | |
---|---|
int |
the horizontal offset of the scrollbar's thumb |
computeHorizontalScrollRange
int computeHorizontalScrollRange ()
Compute the horizontal range that the horizontal scrollbar represents.
The range is expressed in arbitrary units that must be the same as the
units used by computeHorizontalScrollExtent()
and
computeHorizontalScrollOffset()
.
The default range is the drawing width of this view.
Returns | |
---|---|
int |
the total horizontal range represented by the horizontal scrollbar |
computeVerticalScrollExtent
int computeVerticalScrollExtent ()
Compute the vertical extent of the vertical scrollbar's thumb within the vertical range. This value is used to compute the length of the thumb within the scrollbar's track.
The range is expressed in arbitrary units that must be the same as the
units used by computeVerticalScrollRange()
and
computeVerticalScrollOffset()
.
The default extent is the drawing height of this view.
Returns | |
---|---|
int |
the vertical extent of the scrollbar's thumb |
computeVerticalScrollOffset
int computeVerticalScrollOffset ()
Compute the vertical offset of the vertical scrollbar's thumb within the horizontal range. This value is used to compute the position of the thumb within the scrollbar's track.
The range is expressed in arbitrary units that must be the same as the
units used by computeVerticalScrollRange()
and
computeVerticalScrollExtent()
.
The default offset is the scroll offset of this view.
Returns | |
---|---|
int |
the vertical offset of the scrollbar's thumb |
computeVerticalScrollRange
int computeVerticalScrollRange ()
Compute the vertical range that the vertical scrollbar represents.
The range is expressed in arbitrary units that must be the same as the
units used by computeVerticalScrollExtent()
and
computeVerticalScrollOffset()
.
Returns | |
---|---|
int |
the total vertical range represented by the vertical scrollbar
The default range is the drawing height of this view. |
Annotations
Interfaces
- ActionProvider.VisibilityListener
- AsyncLayoutInflater.OnInflateFinishedListener
- LayoutInflaterFactory
- MenuItemCompat.OnActionExpandListener
- NestedScrollingChild
- NestedScrollingChild2
- NestedScrollingParent
- NestedScrollingParent2
- OnApplyWindowInsetsListener
- ScrollingView
- TintableBackgroundView
- ViewPager.OnAdapterChangeListener
- ViewPager.OnPageChangeListener
- ViewPager.PageTransformer
- ViewPropertyAnimatorListener
- ViewPropertyAnimatorUpdateListener
Classes
- AbsSavedState
- AccessibilityDelegateCompat
- ActionProvider
- AsyncLayoutInflater
- GestureDetectorCompat
- GravityCompat
- InputDeviceCompat
- LayoutInflaterCompat
- MarginLayoutParamsCompat
- MenuCompat
- MenuItemCompat
- MotionEventCompat
- NestedScrollingChildHelper
- NestedScrollingParentHelper
- PagerAdapter
- PagerTabStrip
- PagerTitleStrip
- PointerIconCompat
- ScaleGestureDetectorCompat
- VelocityTrackerCompat
- ViewCompat
- ViewConfigurationCompat
- ViewGroupCompat
- ViewPager
- ViewPager.LayoutParams
- ViewPager.SavedState
- ViewPager.SimpleOnPageChangeListener
- ViewParentCompat
- ViewPropertyAnimatorCompat
- ViewPropertyAnimatorListenerAdapter
- WindowCompat
- WindowInsetsCompat