Android实现平铺图片效果

<?xml version="1.0" encoding="utf-8"?><bitmap xmlns:android="http://schemas.android.com/apk/res/android" android:src="@mipmap/ic_border_cupons_left" android:tileMode="repeat" ></bitmap>

/**  * 初始化锯齿背景  * @param holder  */ private void initViewBg(ViewHolder holder) {  // 设置内容区域平铺的小圆角背景  Bitmap topBitmap = BitmapFactory.decodeResource(mContext.getResources(), R.mipmap.ic_border_cupons_left);  BitmapDrawable leftDrawable = new BitmapDrawable(mContext.getResources(), topBitmap);  leftDrawable.setTileModeY(Shader.TileMode.REPEAT);  Bitmap bottomBitmap = BitmapFactory.decodeResource(mContext.getResources(), R.mipmap.ic_border_cupons);  BitmapDrawable rightDrawable = new BitmapDrawable(mContext.getResources(), bottomBitmap);  rightDrawable.setTileModeY(Shader.TileMode.REPEAT);  if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {   holder.favourItemBgLeft.setBackground(leftDrawable);   holder.favourItemBgRight.setBackground(rightDrawable);  } else {   holder.favourItemBgLeft.setBackgroundDrawable(leftDrawable);   holder.favourItemBgRight.setBackgroundDrawable(rightDrawable);  } }