Android：如何从图案创建背景？
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Android: how to create a background from pattern?
提问by Niko Gamulin
I have a pattern (.png image 4x4px) and have to fill the layout with it.
我有一个图案（.png 图像 4x4px）并且必须用它填充布局。
Does anyone know how to do this?
有谁知道如何做到这一点？
If I simply select the drawable as a background the image, it is stretched; instead it needs to be repeated along the x and y axis.
如果我只是选择可绘制对象作为图像的背景，它会被拉伸；相反，它需要沿 x 和 y 轴重复。
回答by Dimitar Dimitrov
Hereis a really nice explanation:
这是一个非常好的解释：
Put your "back.png" image on "drawable" folder. Then create a drawable "backrepeat.xml" like that:
将“back.png”图像放在“drawable”文件夹中。然后像这样创建一个可绘制的“backrepeat.xml”：
<?xml version="1.0" encoding="utf-8"?>
<bitmap xmlns:android="http://schemas.android.com/apk/res/android"
android:src="@drawable/back"
android:tileMode="repeat" />
In your layout, add android:background="@drawable/backrepeat":
在您的布局中，添加android:background="@drawable/backrepeat"：
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
android:id="@+id/MainLayout"
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
android:background="@drawable/backrepeat">
</LinearLayout>
As is the case with many Android good practices/handy tricks, it can be traced back to Romain Guy.
与许多 Android 良好实践/方便的技巧一样，它可以追溯到 Romain Guy。
