Android自定义属性时format选项可以取用的值
1. reference:参考某一资源ID。
(1)属性定义:
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<declare-styleable name="名称">
<attr format="reference" name="background" />
</declare-styleable>
(2)属性使用:
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<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:
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<declare-styleable name="名称">
<attr format="color" name="textColor" />
</declare-styleable>
(2)属性使用:
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<TextView
android:layout_width="42dip"
android:layout_height="42dip"
android:textColor="#00FF00" />
3. boolean:布尔值。
(1)属性定义:
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<declare-styleable name="名称">
<attr format="boolean" name="focusable" />
</declare-styleable>
(2)属性使用:
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<Button
android:layout_width="42dip"
android:layout_height="42dip"
android:focusable="true" />
4. dimension:尺寸值。
(1)属性定义:
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<declare-styleable name="名称">
<attr format="dimension" name="layout_width" />
</declare-styleable>
(2)属性使用:
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<Button
android:layout_width="42dip"
android:layout_height="42dip" />
5. float:浮点值。
(1)属性定义:
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<declare-styleable name="AlphaAnimation">
<attr format="float" name="fromAlpha" />
<attr format="float" name="toAlpha" />
</declare-styleable>
(2)属性使用:
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<alpha
android:fromAlpha="1.0"
android:toAlpha="0.7" />
6. integer:整型值。
(1)属性定义:
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<declare-styleable name="AnimatedRotateDrawable">
<attr format="integer" name="frameDuration" />
<attr format="integer" name="framesCount" />
</declare-styleable>
(2)属性使用:
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<animated-rotate
android:frameDuration="100"
android:framesCount="12"
/>
7. string:字符串。
(1)属性定义:
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<declare-styleable name="MapView">
<attr format="string" name="apiKey" />
</declare-styleable>
(2)属性使用:
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<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:
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<declare-styleable name="RotateDrawable">
<attr format="fraction" name="pivotX" />
<attr format="fraction" name="pivotY" />
</declare-styleable>
(2)属性使用:
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<rotate
android:pivotX="200%"
android:pivotY="300%"
/>
9. enum:枚举值。
(1)属性定义:
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<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:
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<LinearLayout
android:orientation="vertical" >
</LinearLayout>
10. flag:位或运算。
(1)属性定义:
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<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:
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<activity
android:windowSoftInputMode="stateUnspecified | stateUnchanged | stateHidden" >
</activity>
注意:属性定义时可以指定多种类型值:
(1)属性定义:
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<declare-styleable name="名称">
<attr format="reference|color" name="background" />
</declare-styleable>
(2)属性使用:
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<ImageView
android:layout_width="42dip"
android:layout_height="42dip"
android:background="@drawable/图片ID|#00FF00" />
摘自:http://blog.csdn.net/heng615975867/article/details/12834833