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fillViewportsetFillViewport（boolean）Defineswhetherthescrollviewshouldstretchitscontenttofilltheviewport.
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InheritedXMLAttributes
Fromclassandroid.widget.FrameLayout
Fromclassandroid.view.ViewGroup
Fromclassandroid.view.View
InheritedConstants
InheritedFields
PublicConstructors
ScrollView（Contextcontext）
ScrollView（Contextcontext,AttributeSetattrs）
ScrollView（Contextcontext,AttributeSetattrs,intdefStyleAttr）
ScrollView（Contextcontext,AttributeSetattrs,intdefStyleAttr,intdefStyleRes）
PublicMethods
voidaddView（Viewchild,intindex）
Addsachildview.
voidaddView（Viewchild,intindex,ViewGroup.LayoutParamsparams）
Addsachildviewwiththespecifiedlayoutparameters.
voidaddView（Viewchild）
voidaddView（Viewchild,ViewGroup.LayoutParamsparams）
booleanarrowScroll（intdirection）
Handlescrollinginresponsetoanupordownarrowclick.
voidcomputeScroll（）
CalledbyaparenttorequestthatachildupdateitsvaluesformScrollXandmScrollYifnecessary.
booleandispatchKeyEvent（KeyEventevent）
Dispatchakeyeventtothenextviewonthefocuspath.
voiddraw（Canvascanvas）
Manuallyrenderthisview（andallofitschildren）tothegivenCanvas.
booleanexecuteKeyEvent（KeyEventevent）
Youcancallthisfunctionyourselftohavethescrollviewperformscrollingfromakeyevent,justasiftheeventhadbeendispatchedtoitbytheviewhierarchy.
voidfling（intvelocityY）
Flingthescrollview
booleanfullScroll（intdirection）
Handlesscrollinginresponsetoa"
home/end"
shortcutpress.
CharSequencegetAccessibilityClassName（）
Returntheclassnameofthisobjecttobeusedforaccessibilitypurposes.
intgetMaxScrollAmount（）
booleanisFillViewport（）
IndicateswhetherthisScrollView'
scontentisstretchedtofilltheviewport.
booleanisSmoothScrollingEnabled（）
booleanonGenericMotionEvent（MotionEventevent）
Implementthismethodtohandlegenericmotionevents.
booleanonInterceptTouchEvent（MotionEventev）
Implementthismethodtointerceptalltouchscreenmotionevents.
booleanonNestedFling（Viewtarget,floatvelocityX,floatvelocityY,booleanconsumed）
Requestaflingfromanestedscroll.
voidonNestedScroll（Viewtarget,intdxConsumed,intdyConsumed,intdxUnconsumed,intdyUnconsumed）
Reacttoanestedscrollinprogress.
voidonNestedScrollAccepted（Viewchild,Viewtarget,intaxes）
Reacttothesuccessfulclaimingofanestedscrolloperation.
booleanonStartNestedScroll（Viewchild,Viewtarget,intnestedScrollAxes）
Reacttoadescendantviewinitiatinganestablescrolloperation,claimingthenestedscrolloperationifappropriate.
voidonStopNestedScroll（Viewtarget）
Reacttoanestedscrolloperationending.
booleanonTouchEvent（MotionEventev）
Implementthismethodtohandletouchscreenmotionevents.
booleanpageScroll（intdirection）
pageup/down"
voidrequestChildFocus（Viewchild,Viewfocused）
Calledwhenachildofthisparentwantsfocus
booleanrequestChildRectangleOnScreen（Viewchild,Rectrectangle,booleanimmediate）
Calledwhenachildofthisgroupwantsaparticularrectangletobepositionedontothescreen.
voidrequestDisallowInterceptTouchEvent（booleandisallowIntercept）
CalledwhenachilddoesnotwantthisparentanditsancestorstointercepttoucheventswithonInterceptTouchEvent（MotionEvent）.
voidrequestLayout（）
Callthiswhensomethinghaschangedwhichhasinvalidatedthelayoutofthisview.
voidscrollTo（intx,inty）
Setthescrolledpositionofyourview.
Thisversionalsoclampsthescrollingtotheboundsofourchild.
voidsetFillViewport（booleanfillViewport）
IndicatesthisScrollViewwhetheritshouldstretchitscontentheighttofilltheviewportornot.
voidsetOverScrollMode（intmode）
Settheover-scrollmodeforthisview.
voidsetSmoothScrollingEnabled（booleansmoothScrollingEnabled）
Setwhetherarrowscrollingwillanimateitstransition.
booleanshouldDelayChildPressedState（）
ReturntrueifthepressedstateshouldbedelayedforchildrenordescendantsofthisViewGroup.
finalvoidsmoothScrollBy（intdx,intdy）
LikescrollBy（int,int）,butscrollsmoothlyinsteadofimmediately.
finalvoidsmoothScrollTo（intx,inty）
LikescrollTo（int,int）,butscrollsmoothlyinsteadofimmediately.
ProtectedMethods
intcomputeScrollDeltaToGetChildRectOnScreen（Rectrect）
ComputetheamounttoscrollintheYdirectioninordertogetarectanglecompletelyonthescreen（or,iftallerthanthescreen,atleastthefirstscreensizechunkofit）.
intcomputeVerticalScrollOffset（）
Computetheverticaloffsetoftheverticalscrollbar'
sthumbwithinthehorizontalrange.
intcomputeVerticalScrollRange（）
Thescrollrangeofascrollviewistheoverallheightofallofitschildren.
floatgetBottomFadingEdgeStrength（）
Returnsthestrength,orintensity,ofthebottomfadededge.
floatgetTopFadingEdgeStrength（）
Returnsthestrength,orintensity,ofthetopfadededge.
voidmeasureChild（Viewchild,intparentWidthMeasureSpec,intparentHeightMeasureSpec）
Askoneofthechildrenofthisviewtomeasureitself,takingintoaccountboththeMeasureSpecrequirementsforthisviewanditspadding.
voidmeasureChildWithMargins（Viewchild,intparentWidthMeasureSpec,intwidthUsed,intparentHeightMeasureSpec,intheightUsed）
Askoneofthechildrenofthisviewtomeasureitself,takingintoaccountboththeMeasureSpecrequirementsforthisviewanditspaddingandmargins.
voidonDetachedFromWindow（）
Thisiscalledwhentheviewisdetachedfromawindow.
voidonLayout（booleanchanged,intl,intt,intr,intb）
Calledfromlayoutwhenthisviewshouldassignasizeandpositiontoeachofitschildren.
voidonMeasure（intwidthMeasureSpec,intheightMeasureSpec）
Measuretheviewanditscontenttodeterminethemeasuredwidthandthemeasuredheight.
voidonOverScrolled（intscrollX,intscrollY,booleanclampedX,booleanclampedY）
CalledbyoverScrollBy（int,int,int,int,int,int,int,int,boolean）torespondtotheresultsofanover-scrolloperation.
booleanonRequestFocusInDescendants（intdirection,RectpreviouslyFocusedRect）
Whenlookingforfocusinchildrenofascrollview,needtobealittlemorecarefulnottogivefocustosomethingthatisscrolledoffscreen.
voidonRestoreInstanceState（Parcelablestate）
Hookallowingaviewtore-applyarepresentationofitsinternalstatethathadpreviouslybeengeneratedbyonSaveInstanceState（）.
ParcelableonSaveInstanceState（）
Hookallowingaviewtogeneratearepresentationofitsinternalstatethatcanlaterbeusedtocreateanewinstancewiththatsamestate.
voidonSizeChanged（intw,inth,intoldw,intoldh）
Thisiscalledduringlayoutwhenthesizeofthisviewhaschanged.
InheritedMethods
Fromclassandroid.widget.FrameLayout
Fromclassandroid.view.ViewGroup
Fromclassandroid.view.View
Fromclassjava.lang.Object
Frominterfaceandroid.view.ViewParent
Frominterfaceandroid.view.ViewManager
Frominterfaceandroid.graphics.drawable.Drawable.Callback
Frominterfaceandroid.view.KeyEvent.Callback
Frominterfaceandroid.view.accessibility.AccessibilityEventSource
fillViewport
Defineswhetherthescrollviewshouldstretchitscontenttofilltheviewport.
Mustbeabooleanvalue,either"
true"
or"
false"
.
Thismayalsobeareferencetoaresource（intheform"
@[package:
]type:
name"
）orthemeattribute（intheform"
?
[package:
][type:
]name"
）containingavalueofthistype.
ThiscorrespondstotheglobalattributeresourcesymbolfillViewport.
RelatedMethods
setFillViewport（boolean）
publicScrollView（Contextcontext）
AddedinAPIlevel1
publicScrollView（Contextcontext,AttributeSetattrs）
publicScrollView（Contextcontext,AttributeSetattrs,intdefStyleAttr）
publicScrollView（Contextcontext,AttributeSetattrs,intdefStyleAttr,intdefStyleRes）
AddedinAPIlevel21
publicvoidaddView（Viewchild,intindex）
Addsachildview.Ifnolayoutparametersarealreadysetonthechild,thedefaultparametersforthisViewGrouparesetonth
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