Android自定义控件属性详细介绍
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2023-12-01 15:35:16
android自定义控件属性详细介绍
1. reference:参考某一资源id。
(1)属性定义:...
android自定义控件属性详细介绍
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" />
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