用于 Adobe® Flash® Platform 的 ActionScript® 3.0 参考
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过滤条件: AIR 30.0 和更早版本, Flash Player 30.0 和更早版本, Flash Lite 4
Flex 4.6 和更早版本, Flash Pro CS6 和更早版本
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flash.ui 

Multitouch  - AS3

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顶级
adobe.utils
air.desktop
air.net
air.update
air.update.events
coldfusion.air
coldfusion.air.errors
coldfusion.air.events
coldfusion.service
coldfusion.service.events
coldfusion.service.mxml
com.adobe.acm.solutions.authoring.domain.extensions
com.adobe.acm.solutions.ccr.domain.extensions
com.adobe.consulting.pst.vo
com.adobe.dct.component
com.adobe.dct.component.datadictionary
com.adobe.dct.component.datadictionaryElement
com.adobe.dct.component.dataElementsPanel
com.adobe.dct.component.toolbars
com.adobe.dct.event
com.adobe.dct.exp
com.adobe.dct.model
com.adobe.dct.service
com.adobe.dct.service.provider
com.adobe.dct.transfer
com.adobe.dct.util
com.adobe.dct.view
com.adobe.ep.taskmanagement.domain
com.adobe.ep.taskmanagement.event
com.adobe.ep.taskmanagement.filter
com.adobe.ep.taskmanagement.services
com.adobe.ep.taskmanagement.util
com.adobe.ep.ux.attachmentlist.component
com.adobe.ep.ux.attachmentlist.domain
com.adobe.ep.ux.attachmentlist.domain.events
com.adobe.ep.ux.attachmentlist.domain.renderers
com.adobe.ep.ux.attachmentlist.skin
com.adobe.ep.ux.attachmentlist.skin.renderers
com.adobe.ep.ux.content.event
com.adobe.ep.ux.content.factory
com.adobe.ep.ux.content.handlers
com.adobe.ep.ux.content.managers
com.adobe.ep.ux.content.model.asset
com.adobe.ep.ux.content.model.preview
com.adobe.ep.ux.content.model.relation
com.adobe.ep.ux.content.model.search
com.adobe.ep.ux.content.model.toolbar
com.adobe.ep.ux.content.search
com.adobe.ep.ux.content.services
com.adobe.ep.ux.content.services.load
com.adobe.ep.ux.content.services.permissions
com.adobe.ep.ux.content.services.preview
com.adobe.ep.ux.content.services.providers
com.adobe.ep.ux.content.services.query
com.adobe.ep.ux.content.services.relationships
com.adobe.ep.ux.content.services.search.lccontent
com.adobe.ep.ux.content.services.version
com.adobe.ep.ux.content.view
com.adobe.ep.ux.content.view.components.activate
com.adobe.ep.ux.content.view.components.grid
com.adobe.ep.ux.content.view.components.grid.hover
com.adobe.ep.ux.content.view.components.grid.hover.component
com.adobe.ep.ux.content.view.components.grid.renderers
com.adobe.ep.ux.content.view.components.relationships
com.adobe.ep.ux.content.view.components.review
com.adobe.ep.ux.content.view.components.search.renderers
com.adobe.ep.ux.content.view.components.searchpod
com.adobe.ep.ux.content.view.components.toolbar
com.adobe.ep.ux.content.view.components.toolbar.controlRenderers
com.adobe.ep.ux.content.view.components.version
com.adobe.ep.ux.documentsubmit.component
com.adobe.ep.ux.documentsubmit.domain
com.adobe.ep.ux.documentsubmit.skin
com.adobe.ep.ux.taskaction.component
com.adobe.ep.ux.taskaction.domain
com.adobe.ep.ux.taskaction.domain.events
com.adobe.ep.ux.taskaction.skin
com.adobe.ep.ux.taskdetails.component
com.adobe.ep.ux.taskdetails.domain
com.adobe.ep.ux.taskdetails.skin
com.adobe.ep.ux.tasklist.component
com.adobe.ep.ux.tasklist.domain
com.adobe.ep.ux.tasklist.skin
com.adobe.ep.ux.webdocumentviewer.domain
com.adobe.exm.expression
com.adobe.exm.expression.error
com.adobe.exm.expression.event
com.adobe.exm.expression.impl
com.adobe.fiber.runtime.lib
com.adobe.fiber.services
com.adobe.fiber.services.wrapper
com.adobe.fiber.styles
com.adobe.fiber.util
com.adobe.fiber.valueobjects
com.adobe.gravity.binding
com.adobe.gravity.context
com.adobe.gravity.flex.bundleloader
com.adobe.gravity.flex.progress
com.adobe.gravity.flex.serviceloader
com.adobe.gravity.framework
com.adobe.gravity.init
com.adobe.gravity.service.bundleloader
com.adobe.gravity.service.logging
com.adobe.gravity.service.manifest
com.adobe.gravity.service.progress
com.adobe.gravity.tracker
com.adobe.gravity.ui
com.adobe.gravity.utility
com.adobe.gravity.utility.async
com.adobe.gravity.utility.error
com.adobe.gravity.utility.events
com.adobe.gravity.utility.factory
com.adobe.gravity.utility.flex.async
com.adobe.gravity.utility.logging
com.adobe.gravity.utility.message
com.adobe.gravity.utility.sequence
com.adobe.gravity.utility.url
com.adobe.guides.control
com.adobe.guides.domain
com.adobe.guides.i18n
com.adobe.guides.spark.components.skins
com.adobe.guides.spark.components.skins.mx
com.adobe.guides.spark.headers.components
com.adobe.guides.spark.headers.skins
com.adobe.guides.spark.layouts.components
com.adobe.guides.spark.layouts.skins
com.adobe.guides.spark.navigators.components
com.adobe.guides.spark.navigators.renderers
com.adobe.guides.spark.navigators.skins
com.adobe.guides.spark.util
com.adobe.guides.spark.wrappers.components
com.adobe.guides.spark.wrappers.skins
com.adobe.guides.submit
com.adobe.icc.dc.domain
com.adobe.icc.dc.domain.factory
com.adobe.icc.editors.events
com.adobe.icc.editors.handlers
com.adobe.icc.editors.managers
com.adobe.icc.editors.model
com.adobe.icc.editors.model.config
com.adobe.icc.editors.model.el
com.adobe.icc.editors.model.el.operands
com.adobe.icc.editors.model.el.operators
com.adobe.icc.enum
com.adobe.icc.external.dc
com.adobe.icc.obj
com.adobe.icc.services
com.adobe.icc.services.category
com.adobe.icc.services.config
com.adobe.icc.services.download
com.adobe.icc.services.export
com.adobe.icc.services.external
com.adobe.icc.services.formbridge
com.adobe.icc.services.fragmentlayout
com.adobe.icc.services.layout
com.adobe.icc.services.letter
com.adobe.icc.services.locator
com.adobe.icc.services.module
com.adobe.icc.services.render
com.adobe.icc.services.submit
com.adobe.icc.services.user
com.adobe.icc.token
com.adobe.icc.vo
com.adobe.icc.vo.render
com.adobe.icomm.assetplacement.controller
com.adobe.icomm.assetplacement.controller.utils
com.adobe.icomm.assetplacement.data
com.adobe.icomm.assetplacement.model
com.adobe.livecycle.assetmanager.client
com.adobe.livecycle.assetmanager.client.event
com.adobe.livecycle.assetmanager.client.handler
com.adobe.livecycle.assetmanager.client.managers
com.adobe.livecycle.assetmanager.client.model
com.adobe.livecycle.assetmanager.client.model.cms
com.adobe.livecycle.assetmanager.client.service
com.adobe.livecycle.assetmanager.client.service.search
com.adobe.livecycle.assetmanager.client.service.search.cms
com.adobe.livecycle.assetmanager.client.utils
com.adobe.livecycle.content
com.adobe.livecycle.rca.model
com.adobe.livecycle.rca.model.constant
com.adobe.livecycle.rca.model.document
com.adobe.livecycle.rca.model.participant
com.adobe.livecycle.rca.model.reminder
com.adobe.livecycle.rca.model.stage
com.adobe.livecycle.rca.service
com.adobe.livecycle.rca.service.core
com.adobe.livecycle.rca.service.core.delegate
com.adobe.livecycle.rca.service.process
com.adobe.livecycle.rca.service.process.delegate
com.adobe.livecycle.rca.token
com.adobe.livecycle.ria.security.api
com.adobe.livecycle.ria.security.service
com.adobe.mosaic.layouts
com.adobe.mosaic.layouts.dragAndDrop
com.adobe.mosaic.layouts.interfaces
com.adobe.mosaic.mxml
com.adobe.mosaic.om.constants
com.adobe.mosaic.om.events
com.adobe.mosaic.om.impl
com.adobe.mosaic.om.interfaces
com.adobe.mosaic.skinning
com.adobe.mosaic.sparklib.editors
com.adobe.mosaic.sparklib.optionMenu
com.adobe.mosaic.sparklib.scrollableMenu
com.adobe.mosaic.sparklib.scrollableMenu.skins
com.adobe.mosaic.sparklib.tabLayout
com.adobe.mosaic.sparklib.tabLayout.events
com.adobe.mosaic.sparklib.tabLayout.layouts
com.adobe.mosaic.sparklib.tabLayout.skins
com.adobe.mosaic.sparklib.text
com.adobe.mosaic.sparklib.util
com.adobe.solutions.acm.authoring.presentation
com.adobe.solutions.acm.authoring.presentation.actionbar
com.adobe.solutions.acm.authoring.presentation.common
com.adobe.solutions.acm.authoring.presentation.events
com.adobe.solutions.acm.authoring.presentation.fragment
com.adobe.solutions.acm.authoring.presentation.letter
com.adobe.solutions.acm.authoring.presentation.letter.data
com.adobe.solutions.acm.authoring.presentation.preview
com.adobe.solutions.acm.authoring.presentation.rte
com.adobe.solutions.acm.ccr.presentation
com.adobe.solutions.acm.ccr.presentation.contentcapture
com.adobe.solutions.acm.ccr.presentation.contentcapture.events
com.adobe.solutions.acm.ccr.presentation.contentcapture.preview
com.adobe.solutions.acm.ccr.presentation.datacapture
com.adobe.solutions.acm.ccr.presentation.datacapture.renderers
com.adobe.solutions.acm.ccr.presentation.pdf
com.adobe.solutions.exm
com.adobe.solutions.exm.authoring
com.adobe.solutions.exm.authoring.components.controls
com.adobe.solutions.exm.authoring.components.toolbars
com.adobe.solutions.exm.authoring.domain
com.adobe.solutions.exm.authoring.domain.expression
com.adobe.solutions.exm.authoring.domain.impl
com.adobe.solutions.exm.authoring.domain.method
com.adobe.solutions.exm.authoring.domain.variable
com.adobe.solutions.exm.authoring.enum
com.adobe.solutions.exm.authoring.events
com.adobe.solutions.exm.authoring.model
com.adobe.solutions.exm.authoring.renderer
com.adobe.solutions.exm.authoring.view
com.adobe.solutions.exm.expression
com.adobe.solutions.exm.impl
com.adobe.solutions.exm.impl.method
com.adobe.solutions.exm.method
com.adobe.solutions.exm.mock
com.adobe.solutions.exm.mock.method
com.adobe.solutions.exm.runtime
com.adobe.solutions.exm.runtime.impl
com.adobe.solutions.exm.variable
com.adobe.solutions.prm.constant
com.adobe.solutions.prm.domain
com.adobe.solutions.prm.domain.factory
com.adobe.solutions.prm.domain.impl
com.adobe.solutions.prm.domain.manager
com.adobe.solutions.prm.presentation.asset
com.adobe.solutions.prm.presentation.constant
com.adobe.solutions.prm.presentation.document
com.adobe.solutions.prm.presentation.event
com.adobe.solutions.prm.presentation.file
com.adobe.solutions.prm.presentation.project
com.adobe.solutions.prm.presentation.team
com.adobe.solutions.prm.presentation.util
com.adobe.solutions.prm.service
com.adobe.solutions.prm.services.impl
com.adobe.solutions.prm.vo
com.adobe.solutions.rca.constant
com.adobe.solutions.rca.domain
com.adobe.solutions.rca.domain.common
com.adobe.solutions.rca.domain.factory
com.adobe.solutions.rca.domain.impl
com.adobe.solutions.rca.domain.impl.manager
com.adobe.solutions.rca.domain.manager
com.adobe.solutions.rca.presentation
com.adobe.solutions.rca.presentation.comment
com.adobe.solutions.rca.presentation.constant
com.adobe.solutions.rca.presentation.event
com.adobe.solutions.rca.presentation.gantt
com.adobe.solutions.rca.presentation.gantt.ruler
com.adobe.solutions.rca.presentation.template
com.adobe.solutions.rca.presentation.template.audit
com.adobe.solutions.rca.presentation.template.definition
com.adobe.solutions.rca.presentation.template.documents
com.adobe.solutions.rca.presentation.template.stages
com.adobe.solutions.rca.presentation.util
com.adobe.solutions.rca.service
com.adobe.solutions.rca.services.impl
com.adobe.solutions.rca.vo
com.adobe.solutions.rca.vo.um
com.adobe.viewsource
fl.accessibility
fl.containers
fl.controls
fl.controls.dataGridClasses
fl.controls.listClasses
fl.controls.progressBarClasses
fl.core
fl.data
fl.display
fl.events
fl.ik
fl.lang
fl.livepreview
fl.managers
fl.motion
fl.motion.easing
fl.rsl
fl.text
fl.transitions
fl.transitions.easing
fl.video
flash.accessibility
flash.concurrent
flash.crypto
flash.data
flash.desktop
flash.display
flash.display3D
flash.display3D.textures
flash.errors
flash.events
flash.external
flash.filesystem
flash.filters
flash.geom
flash.globalization
flash.html
flash.media
flash.net
flash.net.dns
flash.net.drm
flash.notifications
flash.permissions
flash.printing
flash.profiler
flash.sampler
flash.security
flash.sensors
flash.system
flash.text
flash.text.engine
flash.text.ime
flash.ui
flash.utils
flash.xml
flashx.textLayout
flashx.textLayout.compose
flashx.textLayout.container
flashx.textLayout.conversion
flashx.textLayout.edit
flashx.textLayout.elements
flashx.textLayout.events
flashx.textLayout.factory
flashx.textLayout.formats
flashx.textLayout.operations
flashx.textLayout.utils
flashx.undo
ga.controls
ga.layouts
ga.model
ga.uiComponents
ga.util
ga.views
ga.wrappers
lc.foundation
lc.foundation.domain
lc.foundation.events
lc.foundation.ui
lc.foundation.util
lc.preloader
lc.procmgmt
lc.procmgmt.commands
lc.procmgmt.domain
lc.procmgmt.events
lc.procmgmt.formbridge
lc.procmgmt.impl
lc.procmgmt.ui.attachments
lc.procmgmt.ui.controls
lc.procmgmt.ui.controls.card
lc.procmgmt.ui.controls.renderer
lc.procmgmt.ui.help
lc.procmgmt.ui.layout
lc.procmgmt.ui.presentationmodel
lc.procmgmt.ui.process
lc.procmgmt.ui.search
lc.procmgmt.ui.startpoint
lc.procmgmt.ui.task
lc.procmgmt.ui.task.form
lc.procmgmt.ui.task.form.commands
lc.procmgmt.ui.tracking
mx.accessibility
mx.automation
mx.automation.air
mx.automation.delegates
mx.automation.delegates.advancedDataGrid
mx.automation.delegates.charts
mx.automation.delegates.containers
mx.automation.delegates.controls
mx.automation.delegates.controls.dataGridClasses
mx.automation.delegates.controls.fileSystemClasses
mx.automation.delegates.core
mx.automation.delegates.flashflexkit
mx.automation.events
mx.binding
mx.binding.utils
mx.charts
mx.charts.chartClasses
mx.charts.effects
mx.charts.effects.effectClasses
mx.charts.events
mx.charts.renderers
mx.charts.series
mx.charts.series.items
mx.charts.series.renderData
mx.charts.styles
mx.collections
mx.collections.errors
mx.containers
mx.containers.accordionClasses
mx.containers.dividedBoxClasses
mx.containers.errors
mx.containers.utilityClasses
mx.controls
mx.controls.advancedDataGridClasses
mx.controls.dataGridClasses
mx.controls.listClasses
mx.controls.menuClasses
mx.controls.olapDataGridClasses
mx.controls.scrollClasses
mx.controls.sliderClasses
mx.controls.textClasses
mx.controls.treeClasses
mx.controls.videoClasses
mx.core
mx.core.windowClasses
mx.data
mx.data.crypto
mx.data.errors
mx.data.events
mx.data.messages
mx.data.mxml
mx.data.offline.errors
mx.data.utils
mx.effects
mx.effects.easing
mx.effects.effectClasses
mx.events
mx.filters
mx.flash
mx.formatters
mx.geom
mx.graphics
mx.graphics.codec
mx.graphics.shaderClasses
mx.logging
mx.logging.errors
mx.logging.targets
mx.managers
mx.messaging
mx.messaging.channels
mx.messaging.config
mx.messaging.errors
mx.messaging.events
mx.messaging.management
mx.messaging.messages
mx.modules
mx.netmon
mx.olap
mx.olap.aggregators
mx.preloaders
mx.printing
mx.resources
mx.rpc
mx.rpc.events
mx.rpc.http
mx.rpc.http.mxml
mx.rpc.livecycle
mx.rpc.mxml
mx.rpc.remoting
mx.rpc.remoting.mxml
mx.rpc.soap
mx.rpc.soap.mxml
mx.rpc.wsdl
mx.rpc.xml
mx.skins
mx.skins.halo
mx.skins.spark
mx.skins.wireframe
mx.skins.wireframe.windowChrome
mx.states
mx.styles
mx.utils
mx.validators
org.osmf.containers
org.osmf.display
org.osmf.elements
org.osmf.events
org.osmf.layout
org.osmf.logging
org.osmf.media
org.osmf.metadata
org.osmf.net
org.osmf.net.dvr
org.osmf.net.httpstreaming
org.osmf.net.metrics
org.osmf.net.qos
org.osmf.net.rtmpstreaming
org.osmf.net.rules
org.osmf.traits
org.osmf.utils
spark.accessibility
spark.automation.delegates
spark.automation.delegates.components
spark.automation.delegates.components.gridClasses
spark.automation.delegates.components.mediaClasses
spark.automation.delegates.components.supportClasses
spark.automation.delegates.skins.spark
spark.automation.events
spark.collections
spark.components
spark.components.calendarClasses
spark.components.gridClasses
spark.components.mediaClasses
spark.components.supportClasses
spark.components.windowClasses
spark.core
spark.effects
spark.effects.animation
spark.effects.easing
spark.effects.interpolation
spark.effects.supportClasses
spark.events
spark.filters
spark.formatters
spark.formatters.supportClasses
spark.globalization
spark.globalization.supportClasses
spark.layouts
spark.layouts.supportClasses
spark.managers
spark.modules
spark.preloaders
spark.primitives
spark.primitives.supportClasses
spark.skins
spark.skins.mobile
spark.skins.mobile.supportClasses
spark.skins.spark
spark.skins.spark.mediaClasses.fullScreen
spark.skins.spark.mediaClasses.normal
spark.skins.spark.windowChrome
spark.skins.wireframe
spark.skins.wireframe.mediaClasses
spark.skins.wireframe.mediaClasses.fullScreen
spark.transitions
spark.utils
spark.validators
spark.validators.supportClasses
xd.core.axm.enterprise.view.components
xd.core.axm.enterprise.view.skins
xd.core.axm.view.components
xd.core.axm.view.components.support

语言元素

全局常量
全局函数
运算符
语句、关键字和指令
特殊类型

附录

新增内容
编译器错误
编译器警告
运行时错误
迁移到 ActionScript 3
支持的字符集
仅适用于 MXML 的标签
Motion XML 元素
Timed Text 标记
不推荐使用的元素的列表
AccessibilityImplementation 常量
如何使用 ActionScript 示例
法律声明
flash.ui
public final class Multitouch
继承Multitouch Inheritance Object

语言版本: ActionScript 3.0
运行时版本: Flash Player 10.1, AIR 2, Flash Lite 4

Multitouch 类管理并提供有关当前环境支持用于处理来自用户输入设备的接触的信息,包括有两个或多个触点(例如,用户在触摸屏上使用的手指)的接触。当用户与带有触摸屏的移动电话或平板电脑等设备交互时,用户通常使用手指或指针设备接触屏幕。有很多种指针设备,如鼠标或笔针,其中很多种设备在某个应用程序中仅具有一个触控点。对于具有一个触控点的指针设备,用户交互事件可处理为鼠标事件,或者使用基本 touch 事件集(称为“接触点”事件)。但是,对于具有多个触控点以及执行复杂运动的指针设备,如人手,Flash 运行时支持其他事件处理 API 集(称为 gesture 事件)。使用这些 gesture 事件处理用户交互的 API 包括下列类:

  • flash.events.TouchEvent
  • flash.events.GestureEvent
  • flash.events.GesturePhase
  • flash.events.TransformGestureEvent
  • flash.events.PressAndTapGestureEvent

使用列出的类编写处理 touch 事件的代码。使用 Multitouch 类确定当前环境的触摸交互支持,如果当前环境支持触摸交互,则对其进行管理。

您无法从 ActionScript 代码直接创建 Multitouch 对象。当您调用新 Multitouch() 时,将引发异常。

注意:在 Mac OS 上运行的 HTML 中嵌入的 SWF 文件不支持多点触控功能。

查看示例

了解详细信息

相关 API 元素



公共属性
 属性由以下参数定义
 Inheritedconstructor : Object
对类对象或给定对象实例的构造函数的引用。
Object
  inputMode : String
[静态] 标识用于触摸和手势事件处理的多点触控模式。
Multitouch
      mapTouchToMouse : Boolean
[静态] 指定 AIR 运行时是否将触摸事件映射到鼠标事件。
Multitouch
  maxTouchPoints : int
[静态] [只读] 当前环境支持最大并发触摸点数。
Multitouch
  supportedGestures : Vector.<String>
[静态] [只读] 当前环境中支持的多点触控触摸类型向量数组(类型化的字符串值数组)。
Multitouch
  supportsGestureEvents : Boolean
[静态] [只读] 表示当前环境是否支持手势输入,例如绕触摸屏旋转两个手指。
Multitouch
  supportsTouchEvents : Boolean
[静态] [只读] 表示当前环境是否支持基本触摸输入,如单指点击。
Multitouch
公共方法
 方法由以下参数定义
 Inherited
表示对象是否已经定义了指定的属性。
Object
 Inherited
表示 Object 类的实例是否在指定为参数的对象的原型链中。
Object
 Inherited
表示指定的属性是否存在、是否可枚举。
Object
 Inherited
设置循环操作动态属性的可用性。
Object
 Inherited
返回此对象的字符串表示形式,其格式设置遵守区域设置特定的约定。
Object
 Inherited
返回指定对象的字符串表示形式。
Object
 Inherited
返回指定对象的原始值。
Object
属性详细信息

inputMode

属性
inputMode:String

语言版本: ActionScript 3.0
运行时版本: Flash Player 10.1, AIR 2, Flash Lite 4

标识用于触摸和手势事件处理的多点触控模式。使用此属性管理是否将事件调度为具有多个触控点或单一触控点(如点击)或没有触控点(触控处理为鼠标事件)的 touch 事件和针对不同手势(如旋转和平移)的特定事件。要设置此属性,请使用 flash.ui.MultitouchInputMode 类中的值。

默认值为 gesture。



实现
    public static function get inputMode():String
    public static function set inputMode(value:String):void

相关 API 元素


示例  ( 如何使用本示例 )
以下示例在启用触摸的屏幕上点击在 mySprite 上绘制的正方形时显示一条信息:
Multitouch.inputMode=MultitouchInputMode.TOUCH_POINT;

var mySprite:Sprite = new Sprite();
var myTextField:TextField = new TextField();

mySprite.graphics.beginFill(0x336699);
mySprite.graphics.drawRect(0,0,40,40);
addChild(mySprite);

mySprite.addEventListener(TouchEvent.TOUCH_TAP, taphandler);

function taphandler(e:TouchEvent): void {
    myTextField.text = "I've been tapped";
    myTextField.y = 50;
    addChild(myTextField);
}
    

mapTouchToMouse

属性 
mapTouchToMouse:Boolean

语言版本: ActionScript 3.0
运行时版本: AIR 3

指定 AIR 运行时是否将触摸事件映射到鼠标事件。

当值为 true(默认值)时,AIR 运行时除了为触摸输入调度触摸事件之外,还调度鼠标事件。当值为 false 时,运行时不另外调度鼠标事件。将此属性设置为 false 可能导致依赖于鼠标事件的现有代码、库和框架在支持触摸屏输入的设备上功能不正常。



实现
    public static function get mapTouchToMouse():Boolean
    public static function set mapTouchToMouse(value:Boolean):void

相关 API 元素

maxTouchPoints

属性 
maxTouchPoints:int  [只读]

语言版本: ActionScript 3.0
运行时版本: Flash Player 10.1, AIR 2, Flash Lite 4

当前环境支持最大并发触摸点数。

注意:在 Android 上,对于支持两个以上触摸点的设备,返回值为 2。



实现
    public static function get maxTouchPoints():int

相关 API 元素

supportedGestures

属性 
supportedGestures:Vector.<String>  [只读]

语言版本: ActionScript 3.0
运行时版本: Flash Player 10.1, AIR 2, Flash Lite 4

当前环境中支持的多点触控触摸类型向量数组(类型化的字符串值数组)。该字符串数组可用作注册事件侦听器的事件类型。可能的值是 GestureEvent、PressAndTapGestureEvent 和 TransformGestureEvent 类中的常量(如 GESTURE_PAN)。

如果 Flash 运行时所处环境不支持任何多点触控手势,该值为 null

注意:对于 Mac OS 10.5.3 和更高版本,Multitouch.supportedGestures 返回非空值(可能错误地表示支持 gesture 事件),即使当前硬件不支持手势输入。

使用此属性测试是否支持多触点手势。然后,为可用多触点手势使用事件处理程序。对于当前环境中不支持的手势,您将需要创建替代事件处理。



实现
    public static function get supportedGestures():Vector.<String>

相关 API 元素


示例  ( 如何使用本示例 )
下面的示例为当前环境中每个受支持的手势添加适当的事件侦听器。Multitouch.supportedGestures 矢量数组内容更改为包含 Flash 运行时的当前软件和硬件环境中可用的所有手势。如果 Multitouch.supportedGestures 矢量数组不包含某个 TransformGe tureEvent 手势,将不会为该手势添加事件侦听器。此示例由 Holly Schinsky 提供。
Multitouch.inputMode = MultitouchInputMode.GESTURE;

    for each (var item:String in Multitouch.supportedGestures) {
        trace("gesture " + item);
        if (item == TransformGestureEvent.GESTURE_PAN)
            img.addEventListener(TransformGestureEvent.GESTURE_PAN, onPan);
        else if (item == TransformGestureEvent.GESTURE_ROTATE)
            img.addEventListener(TransformGestureEvent.GESTURE_ROTATE, onRotate);
        else if (item == TransformGestureEvent.GESTURE_SWIPE)
            img.addEventListener(TransformGestureEvent.GESTURE_SWIPE, onSwipe);
        else if (item == TransformGestureEvent.GESTURE_ZOOM)
            img.addEventListener(TransformGestureEvent.GESTURE_ZOOM, onZoom);
    }

supportsGestureEvents

属性 
supportsGestureEvents:Boolean  [只读]

语言版本: ActionScript 3.0
运行时版本: Flash Player 10.1, AIR 2, Flash Lite 4

表示当前环境是否支持手势输入,例如绕触摸屏旋转两个手指。Gesture 事件在 TransformGestureEvent、PressAndTapGestureEvent 和 GestureEvent 类中列出。

注意:对于 Mac OS 10.5.3 和更高版本,此值始终为 true。即使硬件不支持 gesture 事件,Multitouch.supportsGestureEvent 仍将返回 true



实现
    public static function get supportsGestureEvents():Boolean

相关 API 元素

supportsTouchEvents

属性 
supportsTouchEvents:Boolean  [只读]

语言版本: ActionScript 3.0
运行时版本: Flash Player 10.1, AIR 2, Flash Lite 4

表示当前环境是否支持基本触摸输入,如单指点击。TouchEvent 类中列出了 Touch 事件。



实现
    public static function get supportsTouchEvents():Boolean

相关 API 元素

MultitouchExample.as

以下示例首先查看是否支持 gesture 事件(如果计算机不支持 gesture 事件,矢量数组 Multitouch.supportedGestures 返回 null 并且为字符串矢量分配 null 时将导致运行时错误)。如果支持 gesture 事件,此示例显示来自当前环境中支持的 TransformGestureEvent 类的事件:
package {
    import flash.ui.Multitouch;
    import flash.ui.MultitouchInputMode;
    import flash.display.Sprite;
    import flash.text.TextField;

    public class MultitouchExample extends Sprite {

        Multitouch.inputMode = MultitouchInputMode.GESTURE;

        public function MultitouchExample() {

            if(Multitouch.supportsGestureEvents){
                var supportedGesturesVar:Vector.<String> = Multitouch.supportedGestures;
                var deviceSupports:TextField = new TextField();
                deviceSupports.width = 200;
                deviceSupports.height = 200;
                deviceSupports.wordWrap = true;

                for (var i:int=0; i<supportedGesturesVar.length; ++i) {
                    deviceSupports.appendText(supportedGesturesVar[i] + ",  ");
                    addChild(deviceSupports);
                }
            }
        }
    }
}




[ X ]为什么显示为英语?
《ActionScript 3.0 参考》中的内容以英语显示

《ActionScript 3.0 参考》中的部分内容未翻译成所有语言。当某个语言元素未翻译时,将显示为英语。例如,ga.controls.HelpBox 类未翻译成任何语言。因此在简体中文版的参考中,ga.controls.HelpBox 类显示为英语。