1.Drawable drawable=gerResource().getDrawable(id);//id为R.drawable.图片名称
2. Drawable
da = Drawable.createFromStream(getAssetMg().open(name),
null
);
3.Bitmap
bitmap=BitmapFactory.decodeResource(gerResource(), id);
4.Bitmap
bitmap=BitmapFactory.decodeStream(getAssetMg().open(name));