让背景小图不是拉伸而是多个重复

 先上图：

 

 <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"
 >

 

backrepeat.xml

 <bitmap
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:src="@drawable/repeatimg"
     android:tileMode="repeat"
     android:dither="true" />

 
代码方式：

 Bitmap bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.icon);
 BitmapDrawable bd = new BitmapDrawable(bitmap);
 bd.setTileModeXY(TileMode.REPEAT , TileMode.REPEAT );
 bd.setDither(true);
 view.setBackgroundDrawable(bd);