android有效显示图片Displaying Bitmaps Efficiently

This comes from andriod developer.

Learn how to use common techniques to process and load

Bitmap

objects
in a way that keeps your user interface (UI) components responsive and avoids exceeding your application memory limit. If you're not careful, bitmaps can quickly consume your available memory budget leading to an application crash due to the dreaded exception:

java.lang.OutofMemoryError: bitmap size exceeds VM budget

.

Please refer to http://developer.android.com/training/displaying-bitmaps/index.html