如何在Android线性布局上获得阴影? [英] How to get shadow on android linear layout?

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问题描述


可能重复:

如何设置阴影到Android中的View?

在我的Android应用程序中,我需要一个带有圆角的布局,背景应该有一些透明度。为此,我使用这个xml,它工作正常:

In my Android app I need a layout with round corners and the background should have some transparency. For this I'm using this xml, it works fine:

customshape.xml:

customshape.xml:

<shape android:shape="rectangle"> 
    <gradient android:startColor="#E2FFFFFF" android:endColor="#E2D0E3E5" android:angle="270"/> 
    <corners android:radius="10dp" /> 
</shape>

style.xml:

style.xml:

<style name="LinearLayoutRoundCorners">
    <item name="android:layout_width">fill_parent</item>
    <item name="android:layout_height">wrap_content</item>
    <item name="android:background">@drawable/customshape</item>
</style>

我还需要一个小的阴影在右侧和底部的布局。我找不到办法做到这一点。我看到一个黑客,你把另一个布局放在后面,使它看起来像一个阴影,但这对我来说不会有效,因为我的布局有透明度,所以看起来不是很好。如何在布局上获得一个漂亮的阴影,而不使用图像作为布局的背景?

I also need a small shadow to the right and bottom of the layout. I can not find a way to do this. I've seen a hack where you put another layout behind to make it look like a shadow but that will not work for me as my layout have transparency, so that will not look very good. How can I get a nice looking shadow on my layout without using an image as background of the layout?

推荐答案

就我而言知道没有办法将影子应用于 View 对象。我建议你看看九个补丁,我已经用它们来做一个阴影。

As far as I know there is no way to apply a shadow to a View object. I suggest you take a look at nine patches, I have used them to make a shadow.

http://developer.android.com/guide/topics/graphics/2d-graphics.html#nine-patch

(另见此答案带有阴影的自定义ImageView

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