Spinner下拉列表Word文档格式.docx

Spinner下拉列表Word文档格式.docx

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↳android.widget.Spinner

KnownDirectSubclasses

AppCompatSpinner

ClassOverview

Aviewthatdisplaysonechildatatimeandletstheuserpickamongthem.TheitemsintheSpinnercomefromtheAdapterassociatedwiththisview.

SeetheSpinnersguide.

Summary

XMLAttributes

AttributeNameRelatedMethodDescription

android:

dropDownHorizontalOffsetsetDropDownHorizontalOffset（int）Amountofpixelsbywhichthedropdownshouldbeoffsethorizontally.

dropDownSelectorListselectortouseforspinnerMode="

dropdown"

display.

dropDownVerticalOffsetsetDropDownVerticalOffset（int）Amountofpixelsbywhichthedropdownshouldbeoffsetvertically.

dropDownWidthsetDropDownWidth（int）WidthofthedropdowninspinnerMode="

.

gravitysetGravity（int）Gravitysettingforpositioningthecurrentlyselecteditem.

popupBackgroundsetPopupBackgroundResource（int）BackgrounddrawabletouseforthedropdowninspinnerMode="

promptTheprompttodisplaywhenthespinner'

sdialogisshown.

spinnerModeDisplaymodeforspinneroptions.

[Expand]

InheritedXMLAttributes

Fromclassandroid.widget.AbsSpinner

Fromclassandroid.view.ViewGroup

Fromclassandroid.view.View

Constants

intMODE_DIALOGUseadialogwindowforselectingspinneroptions.

intMODE_DROPDOWNUseadropdownanchoredtotheSpinnerforselectingspinneroptions.

InheritedConstants

Fromclassandroid.widget.AdapterView

InheritedFields

PublicConstructors

Spinner（Contextcontext）

Constructanewspinnerwiththegivencontext'

stheme.

Spinner（Contextcontext,intmode）

sthemeandthesuppliedmodeofdisplayingchoices.

Spinner（Contextcontext,AttributeSetattrs）

sthemeandthesuppliedattributeset.

Spinner（Contextcontext,AttributeSetattrs,intdefStyleAttr）

stheme,thesuppliedattributeset,anddefaultstyleattribute.

Spinner（Contextcontext,AttributeSetattrs,intdefStyleAttr,intmode）

stheme,thesuppliedattributeset,anddefaultstyle.

Spinner（Contextcontext,AttributeSetattrs,intdefStyleAttr,intdefStyleRes,intmode）

Spinner（Contextcontext,AttributeSetattrs,intdefStyleAttr,intdefStyleRes,intmode,Resources.ThemepopupTheme）

Constructsanewspinnerwiththegivencontext'

stheme,thesuppliedattributeset,defaultstyles,popupmode（oneofMODE_DIALOGorMODE_DROPDOWN）,andthecontextagainstwhichthepopupshouldbeinflated.

PublicMethods

CharSequencegetAccessibilityClassName（）

Returntheclassnameofthisobjecttobeusedforaccessibilitypurposes.

intgetBaseline（）

Returntheoffsetofthewidget'

stextbaselinefromthewidget'

stopboundary.

intgetDropDownHorizontalOffset（）

Gettheconfiguredhorizontaloffsetinpixelsforthespinner'

spopupwindowofchoices.

intgetDropDownVerticalOffset（）

Gettheconfiguredverticaloffsetinpixelsforthespinner'

intgetDropDownWidth（）

Gettheconfiguredwidthofthespinner'

spopupwindowofchoicesinpixels.

intgetGravity（）

Describeshowtheselecteditemviewispositioned.

DrawablegetPopupBackground（）

Getthebackgrounddrawableforthespinner'

ContextgetPopupContext（）

CharSequencegetPrompt（）

voidonClick（DialogInterfacedialog,intwhich）

Thismethodwillbeinvokedwhenabuttoninthedialogisclicked.

voidonRestoreInstanceState（Parcelablestate）

Hookallowingaviewtore-applyarepresentationofitsinternalstatethathadpreviouslybeengeneratedbyonSaveInstanceState（）.

ParcelableonSaveInstanceState（）

Hookallowingaviewtogeneratearepresentationofitsinternalstatethatcanlaterbeusedtocreateanewinstancewiththatsamestate.

booleanonTouchEvent（MotionEventevent）

Implementthismethodtohandletouchscreenmotionevents.

booleanperformClick（）

Callthisview'

sOnClickListener,ifitisdefined.

voidsetAdapter（SpinnerAdapteradapter）

SetstheSpinnerAdapterusedtoprovidethedatawhichbacksthisSpinner.

voidsetDropDownHorizontalOffset（intpixels）

Setahorizontaloffsetinpixelsforthespinner'

voidsetDropDownVerticalOffset（intpixels）

Setaverticaloffsetinpixelsforthespinner'

voidsetDropDownW