Android中attr自定义属性,记录而已

"http://schemas.android.com/apk/res/android"
    xmlns:lynn=http://schemas.android.com/apk/res/com.iteye.googlers
    android:orientation="vertical" 
    android:layout_width="fill_parent"
    android:layout_height="wrap_content">

第二行是自定义标签。

格式如上,其中“xmlns:lynn”冒号后面是标签名,在下面使用时(只对当前文件可用)


"com.iteye.googlers"是你的工程包名。
  1. reference:参考某一资源ID。
    (1)属性定义:
<declare-styleable name = "名称">
    "background" format = "reference" />
declare-styleable>
(2)属性使用:
"42dip"
    android:layout_height = "42dip"
    android:background = "@drawable/图片ID"
/>
  1. color:颜色值。
    (1)属性定义:
<declare-styleable name = "名称">
    "textColor" format = "color" />
declare-styleable>
(2)属性使用:
 "42dip"
    android:layout_height = "42dip"
    android:textColor = "#00FF00"
/>
  1. boolean:布尔值。
    (1)属性定义:
<declare-styleable name = "名称">
     "focusable" format = "boolean" />
declare-styleable>
 (2)属性使用:
<Button
    android:layout_width = "42dip"
    android:layout_height = "42dip"
    android:focusable = "true"
/>
  1. dimension:尺寸值。
    (1)属性定义:
<declare-styleable name = "名称">
    "layout_width" format = "dimension" />
declare-styleable>
(2)属性使用:        
<Button
     android:layout_width = "42dip"
     android:layout_height = "42dip"
/>
  1. float:浮点值。
    (1)属性定义:
name = "AlphaAnimation">
     name = "fromAlpha" format = "float" />
     name = "toAlpha" format = "float" />
(2)属性使用:
"1.0"
    android:toAlpha = "0.7"
/>
  1. integer:整型值。
    (1)属性定义:
name = "AnimatedRotateDrawable">
     name = "visible" />
     name = "frameDuration" format="integer" />
     name = "framesCount" format="integer" />
     name = "pivotX" />
     name = "pivotY" />
     name = "drawable" />
(2)属性使用:
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"
/>
  1. string:字符串。
    (1)属性定义:
<declare-styleable name = "MapView">
     "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"
/>
  1. fraction:百分数。
    (1)属性定义:
name="RotateDrawable">
     name = "visible" />
     name = "fromDegrees" format = "float" />
     name = "toDegrees" format = "float" />
     name = "pivotX" format = "fraction" />
     name = "pivotY" format = "fraction" />
     name = "drawable" />
(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"
/>
  1. 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:
"http://schemas.android.com/apk/res/android"
     android:orientation = "vertical"
     android:layout_width = "fill_parent"
     android:layout_height = "fill_parent"
     >
  1. flag:位或运算。
    (1)属性定义:
name="名称">
    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" />
             
 (2)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" />
       
 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">
     "background" format = "reference|color" />
declare-styleable>
(2)属性使用:
"42dip"
    android:layout_height = "42dip"
    android:background = "@drawable/图片ID|#00FF00"
/>

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