android

设置PullToRefresh下拉刷新样式

以下是开源控件PullToRefresh的自定义样式属性：

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<?xml version="1.0" encoding="utf-8"?>  
<resources>  
    <declare-styleable name="PullToRefresh">  
        <!-- A drawable to use as the background of the Refreshable View -->  
        <!-- 设置整个刷新列表的背景色 -->  
        <attr name="ptrRefreshableViewBackground" format="reference|color" />  
        <!-- A drawable to use as the background of the Header and Footer Loading Views -->  
        <!--  设置下拉Header或者上拉Footer的背景色 -->  
        <attr name="ptrHeaderBackground" format="reference|color" />  
        <!-- Text Color of the Header and Footer Loading Views -->  
        <!-- 用于设置Header与Footer中文本的颜色 -->  
        <attr name="ptrHeaderTextColor" format="reference|color" />  
        <!-- Text Color of the Header and Footer Loading Views Sub Header -->  
        <!-- 用于设置Header与Footer中上次刷新时间的颜色 -->  
        <attr name="ptrHeaderSubTextColor" format="reference|color" />  
        <!-- Mode of Pull-to-Refresh that should be used -->  
        <attr name="ptrMode">  
            <flag name="disabled" value="0x0" /><!-- 禁用下拉刷新 -->  
            <flag name="pullFromStart" value="0x1" /><!-- 仅支持下拉刷新 -->  
            <flag name="pullFromEnd" value="0x2" /><!-- 仅支持上拉刷新 -->  
            <flag name="both" value="0x3" /><!-- 上拉刷新和下拉刷新都支持 -->  
            <flag name="manualOnly" value="0x4" /><!-- 只允许手动触发 -->  
  
            <!-- These last two are depreacted -->  
            <flag name="pullDownFromTop" value="0x1" />  
            <flag name="pullUpFromBottom" value="0x2" />  
        </attr>  
        <!-- Whether the Indicator overlay(s) should be used -->  
        <!-- 如果为true会在mPullRefreshListView中出现icon，右上角和右下角，挺有意思的 -->  
        <attr name="ptrShowIndicator" format="reference|boolean" />  
        <!-- Drawable to use as Loading Indicator. Changes both Header and Footer. -->  
        <!-- 同时改变头部和底部的图标 -->  
        <attr name="ptrDrawable" format="reference" />  
        <!-- Drawable to use as Loading Indicator in the Header View. Overrides value set in ptrDrawable. -->  
        <!-- 头部视图的图标-->  
        <attr name="ptrDrawableStart" format="reference" />  
  
        <!-- Drawable to use as Loading Indicator in the Footer View. Overrides value set in ptrDrawable. -->  
        <!-- 底部视图的图标 -->  
        <attr name="ptrDrawableEnd" format="reference" />  
        <!-- Whether Android's built-in Over Scroll should be utilised for Pull-to-Refresh. -->  
        <attr name="ptrOverScroll" format="reference|boolean" />  
        <!-- Base text color, typeface, size, and style for Header and Footer Loading Views -->  
         <!-- 分别设置拉Header或者上拉Footer中字体的类型颜色等等 -->  
        <attr name="ptrHeaderTextAppearance" format="reference" />  
        <!-- Base text color, typeface, size, and style for Header and Footer Loading Views Sub Header -->  
        <attr name="ptrSubHeaderTextAppearance" format="reference" />  
        <!-- Style of Animation should be used displayed when pulling. -->  
        <attr name="ptrAnimationStyle">  
            <flag name="rotate" value="0x0" /><!-- flip（翻转动画）， rotate（旋转动画）  -->  
            <flag name="flip" value="0x1" />  
        </attr>  
        <!-- Whether the user can scroll while the View is Refreshing -->  
        <!-- 刷新的时候，是否允许ListView或GridView滚动 -->  
        <attr name="ptrScrollingWhileRefreshingEnabled" format="reference|boolean" />  
        <!--  
            Whether PullToRefreshListView has it's extras enabled. This allows the user to be   
            able to scroll while refreshing, and behaves better. It acheives this by adding  
            Header and/or Footer Views to the ListView.  
        -->  
        <!-- 决定了Header，Footer以何种方式加入mPullRefreshListView，true为headView方式加入，就是滚动时刷新头部会一起滚动 -->  
        <attr name="ptrListViewExtrasEnabled" format="reference|boolean" />  
        <!--  
            Whether the Drawable should be continually rotated as you pull. This only  
            takes effect when using the 'Rotate' Animation Style.  
        -->  
        <attr name="ptrRotateDrawableWhilePulling" format="reference|boolean" />  
        <!-- BELOW HERE ARE DEPRECEATED. DO NOT USE. -->  
        <attr name="ptrAdapterViewBackground" format="reference|color" />  
        <attr name="ptrDrawableTop" format="reference" />  
        <attr name="ptrDrawableBottom" format="reference" />  
    </declare-styleable>  
</resources>

可以在布局文件中设置自定义的这些样式，使用方法如下：

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<com.handmark.pulltorefresh.libaray        
    xmlns:ptr="http://schemas.android.com/apk/res-auto"  
    android:id="@+id/lv"  
    android:layout_width="match_parent"  
    android:layout_height="match_parent"  
    android:background="@color/white"  
    android:cacheColorHint="#00000000"  
    android:divider="@drawable/border"  
    android:fadingEdge="none"  
    android:fadingEdgeLength="0dip"  
    android:scrollbars="none"  
    android:scrollingCache="true"   
    ptr:ptrDrawable="@drawable/infzm_logo"  
/>

注意：需要声明命名空间：xmlns:ptr=http://schemas.android.com/apk/res-auto

使用自定义属性：ptr:ptrDrawable="@drawable/logo"

其他属性使用方法类似。