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ZoomButtonsController

版本:Android 2.2 r1

結(jié)構(gòu)

繼承關(guān)系

public class ZoomButtonsController extends View implements View.OnTouchListener

????????

java.lang.Object

android.widget.ZoomButtonsController

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類概述

ZoomButtonsController處理縮放控件的顯示和隱藏并且定位其在相關(guān)父視圖的位置。他也可以做為縮放控件的容器,允許在縮放控制窗口里面顯示一些附加的按鈕。

通常情況下,客戶端在按下或者移動(dòng)顯示容器需要調(diào)用setVisible(ture)方法(不需要調(diào)用setVisible(false),來隱藏空間,因?yàn)楫?dāng)時(shí)間超時(shí),它會(huì)自動(dòng)隱藏),同時(shí),當(dāng)擁有者不能再進(jìn)一步縮放的時(shí)候,客戶端應(yīng)該調(diào)setZoomInEnabled(boolean) setZoomOutEnabled(boolean)

來及時(shí)更新。

???????? 如果你需要和自定義視圖搭配使用,請?jiān)?/span>onDetachedFromWindow()方法中調(diào)用setVisible(false)。

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構(gòu)造函數(shù)

public ZoomButtonsController (View ownerView) ?

ZoomButtonsController的構(gòu)造函數(shù)

參數(shù)

ownerView 被縮放控件進(jìn)行縮放的可視控件, 縮放控件顯示將和可視控件保持一致

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公共方法

public ViewGroup getContainer ()

獲取縮放控件的父容器。

客戶端可以增加其他的可視控件,和縮放控件一起放到這個(gè)容器中

返回

縮放控件的容器,它的布局將和它子控件的布局保持一致

?

public View getZoomControls ()

獲取縮放控件的視圖

返回

縮放控件視圖

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public boolean isAutoDismissed ()

獲取縮放控件是否顯示后自動(dòng)關(guān)閉

返回

縮放控件是否顯示后自動(dòng)關(guān)閉

?

public boolean isVisible ()

縮放控件是否對用戶可視

返回

true 或者false

?

public void setAutoDismissed (boolean autoDismiss)

設(shè)置縮放控件是否顯示后自動(dòng)關(guān)閉

參數(shù)

AutoDismiss?? true或者false

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public void setFocusable (boolean focusable)

設(shè)置縮放控件是否獲取焦點(diǎn),如果控件獲取焦點(diǎn),就是可以使用軌跡球和方向鍵進(jìn)行操作,否則,只能觸摸進(jìn)行操作

參數(shù)

focusable? Truefalse

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public void setOnZoomListener (ZoomButtonsController.OnZoomListener listener)

設(shè)置ZoomButtonsController.OnZoomListener偵聽接收回調(diào)進(jìn)行縮放

參數(shù)

listener? 介紹是否縮放的偵聽器

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public void setVisible (boolean visible)

設(shè)置縮放控件是否對用戶可視

參數(shù)

visible? 縮放控件是否對用戶可視(true或者false?

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public void setZoomInEnabled (boolean enabled)

是否允許空間放大

參數(shù)

enabled 是否允許空間放大(true或者false

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public void setZoomOutEnabled (boolean enabled)

是否允許控件縮小

參數(shù)

enabled? 是否允許控件縮?。?/span>true或者false

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public void setZoomSpeed (long speed)

設(shè)置用戶操作縮放按鈕到縮放回調(diào)的延遲時(shí)間

參數(shù)

speed? 以毫秒為單位的縮放回調(diào)的間隔時(shí)間

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補(bǔ)充

???????? 文章精選

?????????????????? Android Google map使用心得

?????????????????? googlemap加載多個(gè)overlay內(nèi)存溢出

???????? 示例代碼


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