[Android自定义控件]自定义属性attrs.xml中format

前言

在我们自定义控件的时候,需要自己定义布局xml对象属性,就需要styles.xml自定义,然后再自定义java文件中获取信息,记录方便自己使用


使用

xml首先需要自定义命名空间

xmlns: zkbilian ="http://schemas.android.com/apk/res-auto"  
  • 1.reference:参考某一资源ID

属性定义:

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

属性使用:

             "59dp"
                     android:layout_height = "42dp"
                     zkbilian:background = "@drawable/资源ID"
                     />
  • 2.color:颜色值

属性定义:

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

属性使用:

          "42dip"  
            android:layout_height= "42dip"  
            havorld:textColor = "#00FF00" />  
  • 3.boolean:布尔值

属性定义:

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

属性使用:

          <Button  
             android:layout_width = "42dip"  
             android:layout_height = "42dip"  
         havorld:focusable ="true"/>  
  • 4.dimension:尺寸值

属性定义:

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

属性使用:

            <Button  
               havorld:layout_width ="42dip"  
               havorld:layout_height ="42dip"/>
  • 5. float:浮点值

属性定义:

           name = "HavorldAttribute">  
               name = "fromAlpha" format = "float" />  
               name = "toAlpha" format = "float" />  
             

属性使用:

         <alpha  
           havorld:fromAlpha ="1.0"  
           havorld:toAlpha ="0.7"/>  
  • 6. integer:整型值

属性定义:

           name = "HavorldAttribute">  
               name = "frameDuration" format="integer" />  
               name = "framesCount" format="integer" />  
             

属性使用:

           <animated-rotate  
                havorld:framesCount ="12"    
                havorld:frameDuration ="100"  />  
  • 7. string:字符串

属性定义:

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

属性使用:

           <com.google.android.maps.MapView  
                 android:layout_width = "match_parent"  
                 android:layout_height= "match_parent"  
                 havorld:apiKey ="0jOkQ80oD1JL9C6HAja99uGXCRiS2CGjKO_bc_g"/>  
  • 8.fraction:百分数

属性定义:

          name=" HavorldAttribute ">  
               name = "pivotX" format = "fraction" />  
               name = "pivotY" format = "fraction" />  
            

属性使用:

          <rotate  
  android:interpolator = "@anim/动画ID"  
    havorld:pivotX ="200%"  
    havorld:pivotY ="300%" />  
  • 9. enum:枚举值

属性定义:

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

属性使用:

          "vertical"  
            android:layout_width = "match_parent"  
            android:layout_height = "match_parent"/>                   
            
  • 10.flag:位或运算

属性定义:

           name="HavorldAttribute">  
              name="windowSoftInputMode">  
               name = "stateUnspecified" value = "0" />  
               name = "stateUnchanged" value = "1" />  
               name = "stateHidden" value = "2" />  
               name = "stateAlwaysHidden" value = "3"/>  
               name = "stateVisible" value = "4" />  
               name = "stateAlwaysVisible" value = "5" />  
               name = "adjustUnspecified" value = "0x00"/>  
               name = "adjustResize" value = "0x10" />  
               name = "adjustPan" value = "0x20" />  
               name = "adjustNothing" value = "0x30" />  
                   
              

属性使用:

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

PS: 属性定义时可以指定多种类型值 如

属性定义:

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

属性使用:

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

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