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Android中自定义属性的格式详解

colorlesswind
 colorlesswind
发布于 2016/09/29 17:31
字数 575
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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"  />

本文转载自:http://blog.csdn.net/mayingcai1987/article/details/6216655

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