第三方控件gridcontrol cardview 怎么设置上下滚动条
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CardView是安卓5.0的新控件,这控件其实就是一个卡片,当然我们自己也完全可以定义这样一个卡片,从现在的App中可以看到各式各样的自定义卡片,所以这个控件意义不是很大。support中的view所以使用在布局里面的时候一下子看不到效果的,比较不好。CardView继承的是FrameLayout,所以摆放内部控件的时候需要注意一下。
用代码来进行参数说明:
<resources>
<declare-styleable name="CardView">
<!-- Background color for CardView. -->
<!-- 背景色 -->
<attr name="cardBackgroundColor" format="color" />
<!-- Corner radius for CardView. -->
<!-- 边缘弧度数 -->
<attr name="cardCornerRadius" format="dimension" />
<!-- Elevation for CardView. -->
<!-- 高度 -->
<attr name="cardElevation" format="dimension" />
<!-- Maximum Elevation for CardView. -->
<!-- 最大高度 -->
<attr name="cardMaxElevation" format="dimension" />
<!-- Add padding in API v21+ as well to have the same measurements with previous versions. -->
<!-- 设置内边距,v21+的版本和之前的版本仍旧具有一样的计算方式 -->
<attr name="cardUseCompatPadding" format="boolean" />
<!-- Add padding to CardView on v20 and before to prevent intersections between the Card content and rounded corners. -->
<!-- 在v20和之前的版本中添加内边距,这个属性是为了防止卡片内容和边角的重叠 -->
<attr name="cardPreventCornerOverlap" format="boolean" />
<!-- 下面是卡片边界距离内部的距离-->
<!-- Inner padding between the edges of the Card and children of the CardView. -->
<attr name="contentPadding" format="dimension" />
<!-- Inner padding between the left edge of the Card and children of the CardView. -->
<attr name="contentPaddingLeft" format="dimension" />
<!-- Inner padding between the right edge of the Card and children of the CardView. -->
<attr name="contentPaddingRight" format="dimension" />
<!-- Inner padding between the top edge of the Card and children of the CardView. -->
<attr name="contentPaddingTop" format="dimension" />
<!-- Inner padding between the bottom edge of the Card and children of the CardView. -->
<attr name="contentPaddingBottom" format="dimension" />
</declare-styleable>
</resources>
看完了参数,那么我们来看看布局文件中的用法。
<!-- A CardView that contains a TextView -->
<android.support.v7.widget.CardView xmlns:android=""
xmlns:tools=""
xmlns:app=""
android:id="@+id/card_view"
android:layout_width="200dp"
android:layout_height="200dp"
android:layout_gravity="center"
app:cardCornerRadius="4dp"
app:cardBackgroundColor="#ff0000"
app:cardElevation="5dp"
app:cardMaxElevation="10dp"
app:cardUseCompatPadding="true"
app:cardPreventCornerOverlap="true">
<TextView
android:id="@+id/info_text"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="center"
android:textSize="25sp"
android:textColor="#ffffff"
android:text="Hello CardView"/>
</android.support.v7.widget.CardView>
以上就是详细使用说明。
这样我们就定义好了一个CardView了。
用代码来进行参数说明:
<resources>
<declare-styleable name="CardView">
<!-- Background color for CardView. -->
<!-- 背景色 -->
<attr name="cardBackgroundColor" format="color" />
<!-- Corner radius for CardView. -->
<!-- 边缘弧度数 -->
<attr name="cardCornerRadius" format="dimension" />
<!-- Elevation for CardView. -->
<!-- 高度 -->
<attr name="cardElevation" format="dimension" />
<!-- Maximum Elevation for CardView. -->
<!-- 最大高度 -->
<attr name="cardMaxElevation" format="dimension" />
<!-- Add padding in API v21+ as well to have the same measurements with previous versions. -->
<!-- 设置内边距,v21+的版本和之前的版本仍旧具有一样的计算方式 -->
<attr name="cardUseCompatPadding" format="boolean" />
<!-- Add padding to CardView on v20 and before to prevent intersections between the Card content and rounded corners. -->
<!-- 在v20和之前的版本中添加内边距,这个属性是为了防止卡片内容和边角的重叠 -->
<attr name="cardPreventCornerOverlap" format="boolean" />
<!-- 下面是卡片边界距离内部的距离-->
<!-- Inner padding between the edges of the Card and children of the CardView. -->
<attr name="contentPadding" format="dimension" />
<!-- Inner padding between the left edge of the Card and children of the CardView. -->
<attr name="contentPaddingLeft" format="dimension" />
<!-- Inner padding between the right edge of the Card and children of the CardView. -->
<attr name="contentPaddingRight" format="dimension" />
<!-- Inner padding between the top edge of the Card and children of the CardView. -->
<attr name="contentPaddingTop" format="dimension" />
<!-- Inner padding between the bottom edge of the Card and children of the CardView. -->
<attr name="contentPaddingBottom" format="dimension" />
</declare-styleable>
</resources>
看完了参数,那么我们来看看布局文件中的用法。
<!-- A CardView that contains a TextView -->
<android.support.v7.widget.CardView xmlns:android=""
xmlns:tools=""
xmlns:app=""
android:id="@+id/card_view"
android:layout_width="200dp"
android:layout_height="200dp"
android:layout_gravity="center"
app:cardCornerRadius="4dp"
app:cardBackgroundColor="#ff0000"
app:cardElevation="5dp"
app:cardMaxElevation="10dp"
app:cardUseCompatPadding="true"
app:cardPreventCornerOverlap="true">
<TextView
android:id="@+id/info_text"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="center"
android:textSize="25sp"
android:textColor="#ffffff"
android:text="Hello CardView"/>
</android.support.v7.widget.CardView>
以上就是详细使用说明。
这样我们就定义好了一个CardView了。
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