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首先自定义命名空间：
xmlns: havorld ="http://schemas.android.com/apk/res-auto"
1. reference：参考某一资源ID
属性定义：
<declare-styleable name = "HavorldAttribute">
<attr name = "background" format = "reference" />
</declare-styleable>
属性使用：
<ImageView
android:layout_width = "42dip"
android:layout_height= "42dip"
havorld:background ="@drawable/图片ID" />
2. color：颜色值
属性定义：
<declare-styleable name = "HavorldAttribute">
<attr name = "textColor" format = "color" />
</declare-styleable>
属性使用：
<TextView
android:layout_width = "42dip"
android:layout_height= "42dip"
havorld:textColor = "#00FF00" />
3. boolean：布尔值
属性定义：
<declare-styleable name = "HavorldAttribute">
<attr name = "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">
<attr name = "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：
<declare-styleable name = "HavorldAttribute">
<attr name = "fromAlpha" format = "float" />
<attr name = "toAlpha" format = "float" />
</declare-styleable>
属性使用：
<alpha
havorld:fromAlpha ="1.0"
havorld:toAlpha ="0.7"/>
6. integer：整型值
属性定义：
<declare-styleable name = "HavorldAttribute">
<attr name = "frameDuration" format="integer" />
<attr name = "framesCount" format="integer" />
</declare-styleable>
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 ">
<attr name = "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：
<declare-styleable name=" HavorldAttribute ">
<attr name = "pivotX" format = "fraction" />
<attr name = "pivotY" format = "fraction" />
</declare-styleable>
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：
<LinearLayout
havorld:orientation ="vertical"
android:layout_width = "match_parent"
android:layout_height = "match_parent"/>
</LinearLayout>
10. flag：位或运算
（1）属性定义：
<declare-styleable name="HavorldAttribute">
<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 如：
属性定义：
<declare-styleable name = "HavorldAttribute">
<attr name = "background" format = "reference|color"/>
</declare-styleable>
属性使用：
<ImageView
android:layout_width = "42dip"
android:layout_height= "42dip"
havorld:background ="@drawable/图片ID|#00FF00"/>