適用於 Adobe® Flash® Platform 的 ActionScript® 3.0 參考
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篩選: 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
隱藏篩選
flash.sensors 

DeviceRotation  - AS3

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adobe.utils
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com.adobe.acm.solutions.authoring.domain.extensions
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com.adobe.ep.taskmanagement.domain
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com.adobe.livecycle.ria.security.api
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com.adobe.solutions.acm.authoring.presentation.fragment
com.adobe.solutions.acm.authoring.presentation.letter
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com.adobe.solutions.exm.authoring.domain.method
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com.adobe.solutions.exm.variable
com.adobe.solutions.prm.constant
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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
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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
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com.adobe.solutions.rca.presentation
com.adobe.solutions.rca.presentation.comment
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fl.accessibility
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flash.notifications
flash.permissions
flash.printing
flash.profiler
flash.sampler
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flash.sensors
flash.system
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flash.text.engine
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flash.ui
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flash.xml
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語言元素

全域常數
全域函數
運算子
陳述式、關鍵字和指令
特殊類型

附錄

新增內容
編譯器錯誤
編譯器警告
執行階段錯誤
移轉至 ActionScript 3
支援的字元集
僅限 MXML 標籤
移動 XML 元素
Timed Text 標籤
不建議元素清單
AccessibilityImplementation 常數
如何使用 ActionScript 範例
法律聲明
套件flash.sensors
類別public class DeviceRotation
繼承DeviceRotation Inheritance EventDispatcher Inheritance Object

語言版本: ActionScript 3.0
執行階段版本: AIR 26.0

DeviceRotation 類別會根據裝置的加速計、迴轉儀感應器偵測到的活動來傳送事件。這個資料代表裝置的滾動、俯仰、偏轉和四元數。當裝置旋轉時,感應器會偵測到此次旋轉並傳回這個資料。DeviceRotation 類別提供查詢是否支援裝置旋轉事件處理的方法,同時也設定裝置旋轉事件傳送的速率。

注意:使用 DeviceRotation.isSupported 屬性可以測試執行階段環境是否有能力使用此功能。雖然多個執行階段平台和裝置都可以存取裝置旋轉類別及其成員,但這不意味著處理常式總是在執行階段受到支援。在 Android 版本等少數情況中,這個處理常式並未受到支援,因此,您必須使用 DeviceRotation.isSupported 屬性來確認這個處理常式是否受到支援。如果 DeviceRotation.isSupported 在執行階段是 true,則表示 DeviceRotation 支援目前存在。

AIR 描述檔支援:僅行動裝置支援此功能。桌面或 AIR for TV 裝置不支援。如需有關跨多個描述檔之 API 支援的詳細資訊,請參閱 AIR 描述檔支援

相關 API 元素



公用屬性
 屬性定義自
 Inheritedconstructor : Object
類別物件的參照或是特定物件實體的建構函數。
Object
      isSupported : Boolean
[靜態] [唯讀] 如果裝置中可以使用加速計和迴轉儀感應器,isSupported 屬性會設定為 True,否則設定為 False。
DeviceRotation
      muted : Boolean
[唯讀] 指定使用者已經拒絕存取裝置旋轉資料 (true) 或允許存取 (false)。
DeviceRotation
公用方法
 方法定義自
  
    DeviceRotation()
建立新的 DeviceRotation 實體。
DeviceRotation
 Inherited
addEventListener(type:String, listener:Function, useCapture:Boolean = false, priority:int = 0, useWeakReference:Boolean = false):void
會在 EventDispatcher 物件註冊事件偵聽程式,以便讓偵聽程式收到事件的通知。
EventDispatcher
 Inherited
會將事件傳送到事件流程。
EventDispatcher
 Inherited
會檢查 EventDispatcher 物件是否有對特定的事件類型註冊偵聽程式。
EventDispatcher
 Inherited
指出物件是否有已定義的指定屬性。
Object
 Inherited
指出 Object 類別的實體是否位於指定為參數的物件原型鏈中。
Object
 Inherited
指出指定的屬性是否存在,以及是否可列舉。
Object
 Inherited
removeEventListener(type:String, listener:Function, useCapture:Boolean = false):void
會從 EventDispatcher 物件移除偵聽程式。
EventDispatcher
 Inherited
為迴圈作業設定動態屬性的可用性。
Object
  
setRequestedUpdateInterval 方法用於設定希望的更新時間間隔。
DeviceRotation
 Inherited
傳回代表此物件的字串,根據地區特定慣例進行格式化。
Object
 Inherited
會傳回指定之物件的字串形式。
Object
 Inherited
會傳回指定之物件的基本值。
Object
 Inherited
檢查此 EventDispatcher 物件是否已註冊事件偵聽程式,或者此物件的任何祖系已為特定事件類型註冊事件偵聽程式。
EventDispatcher
事件
 事件 摘要 定義自
 Inherited[廣播事件] 當 Flash Player 或 AIR 應用程式取得作業系統焦點並成為作用中時傳送。EventDispatcher
 Inherited[廣播事件] 當 Flash Player 或 AIR 應用程式失去作業系統焦點並成為非作用中時傳送。EventDispatcher
  
    status
當裝置旋轉變更它的狀態時傳送。DeviceRotation
  
    update
當裝置旋轉以回應來自加速計和迴轉儀感應器之合併讀數的更新時,就會傳送 update 事件。DeviceRotation
屬性詳細資訊
    

isSupported

屬性
isSupported:Boolean  [唯讀]

語言版本: ActionScript 3.0
執行階段版本: AIR 26.0

如果裝置中可以使用加速計和迴轉儀感應器,isSupported 屬性會設定為 true,否則設定為 false



實作
    public static function get isSupported():Boolean

範例  ( 如何使用本範例 )
下列範例使用 DeviceRotation.isSupported 屬性,測試執行階段的 DeviceRotation 支援。如果目前的環境支援 DeviceRotation 功能,則會將事件偵聽程式加入 DeviceRotation 物件,而相關聯的處理常式則會在文字欄位中填入時間戳記和滾動值、偏轉值及俯仰值。否則,文字欄位會指出在目前環境中不支援該功能。
var myTextField:TextField = new TextField();
myTextField.width = 200;
addChild(myTextField);
var deviceRotation = new DeviceRotation();
var isSupported:Boolean = DeviceRotation.isSupported;
checksupport();

function checksupport():void {
    if (isSupported) {
        myTextField.text = "DeviceRotation feature supported";
        deviceRotation.addEventListener(DeviceRotationEvent.UPDATE,deviceRotUpdateHandler);
    } else {
        myTextField.text = "DeviceRotation feature not supported";
    }
}

function deviceRotUpdateHandler(evt:DeviceRotationEvent):void {
    myTextField.text = String("at: " + evt.timestamp + "\n" + "Roll: " + evt.roll + "\n" + "Yaw: " + evt.yaw + "\n" + "Pitch: " + evt.pitch);

}
    

muted

屬性 
muted:Boolean  [唯讀]

語言版本: ActionScript 3.0
執行階段版本: AIR 26.0

指定使用者已經拒絕存取裝置旋轉資料 (true) 或允許存取 (false)。當這個值變更時,會傳送 status 事件。



實作
    public function get muted():Boolean

相關 API 元素

建構函式詳細資料
    

DeviceRotation

()建構函式
public function DeviceRotation()

語言版本: ActionScript 3.0
執行階段版本: AIR 26.0

建立新的 DeviceRotation 實體。

方法詳細資訊

    setRequestedUpdateInterval

()方法
public function setRequestedUpdateInterval(interval:Number):void

語言版本: ActionScript 3.0
執行階段版本: AIR 26.0

setRequestedUpdateInterval 方法用於設定希望的更新時間間隔。時間間隔的測量以毫秒為單位。更新間隔僅用於提示以保留電池電力。裝置旋轉向量更新之間的實際時間可能大於或小於這個值。在更新間隔中所做的任何變更會影響所有註冊的偵聽程式。您可以使用 DeviceRotation 類別,無需呼叫 setRequestedUpdateInterval() 方法。在這種情況下,應用程式會根據裝置預設間隔接收更新。

參數

interval:Number — 要求的更新間隔。若 interval 設為 0,將使用最低支援的更新間隔。


擲回值
ArgumentError — 指定的 interval 小於零。
事件詳細資訊
    

status

事件
事件物件類型: flash.events.StatusEvent
屬性 StatusEvent.type = flash.events.StatusEvent.STATUS

語言版本: ActionScript 3.0
執行階段版本: AIR 26.0

當裝置旋轉變更它的狀態時傳送。

定義 status 事件物件的 type 屬性值。

這個事件具有下列屬性:

屬性
bubblesfalse
cancelablefalse;沒有要取消的預設行為指令。
code物件狀態的說明。
currentTarget正主動使用事件偵聽程式處理 Event 物件的物件。
level訊息的類別,例如 "status""warning""error"
target回報其自身狀態的物件。
    

update

事件  
事件物件類型: flash.events.DeviceRotationEvent
屬性 DeviceRotationEvent.type = flash.events.DeviceRotationEvent.UPDATE

語言版本: ActionScript 3.0
執行階段版本: AIR 26.0

當裝置旋轉以回應來自加速計和迴轉儀感應器之合併讀數的更新時,就會傳送 update 事件。會在以下情況傳送事件:

  • 就滾動俯仰和四元數來說,當透過 addEventListener() 附加新的偵聽程式函數時,會對所有已註冊的偵聽程式傳送這個事件一次,以提供裝置旋轉向量的目前值。
  • 每當裝置旋轉依照裝置決定的間隔從平台取得更新時。
  • 每當應用程式遺失裝置旋轉的變更時 (例如,執行階段在閒置之後繼續)。

定義 DeviceRotationEvent 事件物件的 type 屬性值。

這個事件具有下列屬性:

屬性
bubblesfalse
cancelablefalse;沒有要取消的預設行為指令。
currentTarget正主動使用事件偵聽程式處理 Event 物件的物件。
timestampDeviceRotation 更新的時間戳記。
roll滾動值 (以度為單位)。
pitch俯仰值 (以度為單位)。
yaw偏轉值 (以度為單位)。
quaternion 四元數資料 (採用 [w, x, y, z] 格式)。




[ X ]為什麼顯示英文?
「ActionScript 3.0 參考」的內容是以英文顯示

並非所有「ActionScript 3.0 參考」的內容都翻譯為所有語言。當語言元素未翻譯時,就會以英文顯示。例如,ga.controls.HelpBox 類別並沒有翻譯為任何語言。因此在參考的繁體中文版本中,ga.controls.HelpBox 類別就會以英文顯示。