将一个按钮上的ImageView的 [英] Put a button over an ImageView

问题描述

我是新手的Andr​​oid系统。

I'm newbie in Android.

我想知道是否有可能把一个按钮或其他部件上的ImageView的。我试着设置图像作为LinearLayout中的背景图片，但是当我横向和纵向显示模式之间切换，图像porportions改变。

I would like to know if it's possible to put a button or another component over an ImageView. I've tried setting the image as a background image of a LinearLayout, but when I change between landscape and portrait mode, the image porportions are changed.

多谢了。

推荐答案

不要把图片作为背景，你没有上的图像如何缩放任何控制。相反，创建一个RelativeLayout的，并把一个ImageView的作为孩子之一，你可以把任何东西（按钮等），其他RelativeLayout的孩子。

Don't put the image as a background, you don't have any control on how the image is scaled. Instead, create a RelativeLayout, and put an ImageView as one of the child, and you can place anything (buttons etc) as other RelativeLayout children.

<RelativeLayout ...>
    <ImageView (your image) ...>
    <Button (the button you want) ... />
</RelativeLayout>

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