Android:为RelativeLayout设置背景图片吗?

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问题描述

我已经在运行时下载了映像.现在，我要将其设置为RelativeLayout的背景.有可能吗?

I have downloaded an image at runtime. Now I want to set it as a background for RelativeLayout. Does it possible?

推荐答案

查看 setBackgroundDrawable ，或者 createFromPath 在Drawable类中.

Check out the setBackgroundDrawable, or maybe createFromPath in the Drawable class.

   RelativeLayout rLayout = (RelativeLayout) findViewById (R.id.rLayout);
   Resources res = getResources(); //resource handle
   Drawable drawable = res.getDrawable(R.drawable.newImage); //new Image that was added to the res folder

    rLayout.setBackground(drawable);

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