which is the better way to keep and load images at run time in android?

I have up to 200 large scale fixed images and i need to handle it at run time.

[Consider performance and apk size]

1.where开发者_运维百科 i can keep this images(Asset folder or drawables)?

2.currently following this technique image.setBackgroundResources(R.drawable.mango);

3.Any other better way is there?

Please use image loader for many images. I hope Image Loader is very help full for you...