android自定义控件属性详解

1. reference：参考某一资源ID。

   （1）属性定义：

        <declare-styleable name = "名称">
               <attr name = "background" format = "reference" />
        </declare-styleable>
   

   （2）属性使用：

         <ImageView
                 android:layout_width = "42dip"
                 android:layout_height = "42dip"
                 android:background = "@drawable/图片ID"
                 />
   

2. color：颜色值。

   （1）属性定义：

        <declare-styleable name = "名称">
               <attr name = "textColor" format = "color" />
        </declare-styleable>
   

   （2）属性使用：

        <TextView
                 android:layout_width = "42dip"
                 android:layout_height = "42dip"
                 android:textColor = "#00FF00"
                 />
   

3. boolean：布尔值。

   （1）属性定义：

        <declare-styleable name = "名称">
               <attr name = "focusable" format = "boolean" />
        </declare-styleable>
   

   （2）属性使用：

        <Button
                android:layout_width = "42dip"
                android:layout_height = "42dip"
                android:focusable = "true"
                />
   

4. dimension：尺寸值。

   （1）属性定义：

        <declare-styleable name = "名称">
               <attr name = "layout_width" format = "dimension" />
        </declare-styleable>
   

   （2）属性使用：

        <Button
                android:layout_width = "42dip"
                android:layout_height = "42dip"
                />
   

5. float：浮点值。

   （1）属性定义：

        <declare-styleable name = "AlphaAnimation">
               <attr name = "fromAlpha" format = "float" />
               <attr name = "toAlpha" format = "float" />
        </declare-styleable>
   

   （2）属性使用：

        <alpha
               android:fromAlpha = "1.0"
               android:toAlpha = "0.7"
               />
   

6. integer：整型值。

   （1）属性定义：

        <declare-styleable name = "AnimatedRotateDrawable">
               <attr name = "visible" />
               <attr name = "frameDuration" format="integer" />
               <attr name = "framesCount" format="integer" />
               <attr name = "pivotX" />
               <attr name = "pivotY" />
               <attr name = "drawable" />
        </declare-styleable>
   

   （2）属性使用：

        <animated-rotate
               xmlns:android = "http://schemas.android.com/apk/res/android"  
               android:drawable = "@drawable/图片ID"  
               android:pivotX = "50%"  
               android:pivotY = "50%"  
               android:framesCount = "12"  
               android:frameDuration = "100"
               />
   

7. string：字符串。

   （1）属性定义：

        <declare-styleable name = "MapView">
               <attr name = "apiKey" format = "string" />
        </declare-styleable>
   

   （2）属性使用：

        <com.google.android.maps.MapView
                android:layout_width = "fill_parent"
                android:layout_height = "fill_parent"
                android:apiKey = "0jOkQ80oD1JL9C6HAja99uGXCRiS2CGjKO_bc_g"
                />
   

8. fraction：百分数。

   （1）属性定义：

        <declare-styleable name="RotateDrawable">
               <attr name = "visible" />
               <attr name = "fromDegrees" format = "float" />
               <attr name = "toDegrees" format = "float" />
               <attr name = "pivotX" format = "fraction" />
               <attr name = "pivotY" format = "fraction" />
               <attr name = "drawable" />
        </declare-styleable>
   

   （2）属性使用：

        <rotate
               xmlns:android = "http://schemas.android.com/apk/res/android" 
   

android:interpolator = "@anim/动画ID"
android:fromDegrees = "0"
　　 android:toDegrees = "360"
android:pivotX = "200%"
android:pivotY = "300%"
　　 android:duration = "5000"
android:repeatMode = "restart"
android:repeatCount = "infinite"
/>

9. enum：枚举值。

   （1）属性定义：

        <declare-styleable name="名称">
               <attr name="orientation">
                      <enum name="horizontal" value="0" />
                      <enum name="vertical" value="1" />
               </attr>            
        </declare-styleable>
   

   （2）属性使用：

        <LinearLayout
                xmlns:android = "http://schemas.android.com/apk/res/android"
                android:orientation = "vertical"
                android:layout_width = "fill_parent"
                android:layout_height = "fill_parent"
                >
        </LinearLayout>
   

10. flag：位或运算。

    （1）属性定义：

         <declare-styleable name="名称">
                <attr name="windowSoftInputMode">
                        <flag name = "stateUnspecified" value = "0" />
                        <flag name = "stateUnchanged" value = "1" />
                        <flag name = "stateHidden" value = "2" />
                        <flag name = "stateAlwaysHidden" value = "3" />
                        <flag name = "stateVisible" value = "4" />
                        <flag name = "stateAlwaysVisible" value = "5" />
                        <flag name = "adjustUnspecified" value = "0x00" />
                        <flag name = "adjustResize" value = "0x10" />
                        <flag name = "adjustPan" value = "0x20" />
                        <flag name = "adjustNothing" value = "0x30" />
                 </attr>         
         </declare-styleable>
    

    （2）属性使用：

        <activity
               android:name = ".StyleAndThemeActivity"
               android:label = "@string/app_name"
               android:windowSoftInputMode = "stateUnspecified | stateUnchanged　|　stateHidden">
               <intent-filter>
                      <action android:name = "android.intent.action.MAIN" />
                      <category android:name = "android.intent.category.LAUNCHER" />
               </intent-filter>
         </activity>
    

    注意：

    属性定义时可以指定多种类型值。

    （1）属性定义：

        <declare-styleable name = "名称">
               <attr name = "background" format = "reference|color" />
        </declare-styleable>
    

    （2）属性使用：

         <ImageView
                 android:layout_width = "42dip"
                 android:layout_height = "42dip"
                 android:background = "@drawable/图片ID|#00FF00"
                 />
    

转自android自定义控件属性详解