Android中自定义属性的格式详解

发布时间:2016-12-11 22:07:14 编辑:www.fx114.net 分享查询网我要评论
本篇文章主要介绍了"Android中自定义属性的格式详解",主要涉及到Android中自定义属性的格式详解方面的内容,对于Android中自定义属性的格式详解感兴趣的同学可以参考一下。

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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