belongs to Maven artifact com.android.support:support-compat:28.0.0-alpha1
NestedScrollView
public
class
NestedScrollView
extends FrameLayout
implements
NestedScrollingParent,
NestedScrollingChild2,
ScrollingView
| java.lang.Object | ||||
| ↳ | android.view.View | |||
| ↳ | android.view.ViewGroup | |||
| ↳ | android.widget.FrameLayout | |||
| ↳ | android.support.v4.widget.NestedScrollView | |||
NestedScrollView is just like ScrollView, but it supports acting
as both a nested scrolling parent and child on both new and old versions of Android.
Nested scrolling is enabled by default.
Summary
Nested classes | |
|---|---|
interface |
NestedScrollView.OnScrollChangeListener
Interface definition for a callback to be invoked when the scroll X or Y positions of a view change. |
Inherited constants |
|---|
From
class
android.view.ViewGroup
|
From
class
android.view.View
|
Inherited fields |
|---|
From
class
android.view.View
|
Public constructors | |
|---|---|
NestedScrollView(Context context)
|
|
NestedScrollView(Context context, AttributeSet attrs)
|
|
NestedScrollView(Context context, AttributeSet attrs, int defStyleAttr)
|
|
Public methods | |
|---|---|
void
|
addView(View child, int index)
|
void
|
addView(View child, ViewGroup.LayoutParams params)
|
void
|
addView(View child, int index, ViewGroup.LayoutParams params)
|
void
|
addView(View child)
|
boolean
|
arrowScroll(int direction)
Handle scrolling in response to an up or down arrow click. |
void
|
computeScroll()
|
boolean
|
dispatchKeyEvent(KeyEvent event)
|
boolean
|
dispatchNestedFling(float velocityX, float velocityY, boolean consumed)
|
boolean
|
dispatchNestedPreFling(float velocityX, float velocityY)
|
boolean
|
dispatchNestedPreScroll(int dx, int dy, int[] consumed, int[] offsetInWindow)
|
boolean
|
dispatchNestedPreScroll(int dx, int dy, int[] consumed, int[] offsetInWindow, int type)
Dispatch one step of a nested scroll in progress before this view consumes any portion of it. |
boolean
|
dispatchNestedScroll(int dxConsumed, int dyConsumed, int dxUnconsumed, int dyUnconsumed, int[] offsetInWindow, int type)
Dispatch one step of a nested scroll in progress. |
boolean
|
dispatchNestedScroll(int dxConsumed, int dyConsumed, int dxUnconsumed, int dyUnconsumed, int[] offsetInWindow)
|
void
|
draw(Canvas canvas)
|
boolean
|
executeKeyEvent(KeyEvent event)
You can call this function yourself to have the scroll view perform scrolling from a key event, just as if the event had been dispatched to it by the view hierarchy. |
void
|
fling(int velocityY)
Fling the scroll view |
boolean
|
fullScroll(int direction)
Handles scrolling in response to a "home/end" shortcut press. |
int
|
getMaxScrollAmount()
|
int
|
getNestedScrollAxes()
|
boolean
|
hasNestedScrollingParent()
|
boolean
|
hasNestedScrollingParent(int type)
Returns true if this view has a nested scrolling parent for the given input type. |
boolean
|
isFillViewport()
Indicates whether this ScrollView's content is stretched to fill the viewport. |
boolean
|
isNestedScrollingEnabled()
|
boolean
|
isSmoothScrollingEnabled()
|
void
|
onAttachedToWindow()
|
boolean
|
onGenericMotionEvent(MotionEvent event)
|
boolean
|
onInterceptTouchEvent(MotionEvent ev)
|
boolean
|
onNestedFling(View target, float velocityX, float velocityY, boolean consumed)
|
boolean
|
onNestedPreFling(View target, float velocityX, float velocityY)
|
void
|
onNestedPreScroll(View target, int dx, int dy, int[] consumed)
|
void
|
onNestedScroll(View target, int dxConsumed, int dyConsumed, int dxUnconsumed, int dyUnconsumed)
|
void
|
onNestedScrollAccepted(View child, View target, int nestedScrollAxes)
|
boolean
|
onStartNestedScroll(View child, View target, int nestedScrollAxes)
|
void
|
onStopNestedScroll(View target)
|
boolean
|
onTouchEvent(MotionEvent ev)
|
boolean
|
pageScroll(int direction)
Handles scrolling in response to a "page up/down" shortcut press. |
void
|
requestChildFocus(View child, View focused)
|
boolean
|
requestChildRectangleOnScreen(View child, Rect rectangle, boolean immediate)
|
void
|
requestDisallowInterceptTouchEvent(boolean disallowIntercept)
|
void
|
requestLayout()
|
void
|
scrollTo(int x, int y)
This version also clamps the scrolling to the bounds of our child. |
void
|
setFillViewport(boolean fillViewport)
Set whether this ScrollView should stretch its content height to fill the viewport or not. |
void
|
setNestedScrollingEnabled(boolean enabled)
|