关于setImageURI out of memory的一些解决办法

http://stackoverflow.com/questions/477572/strange-out-of-memory-issue-while-loading-an-image-to-a-bitmap-object#823966

http://stackoverflow.com/questions/3020968/android-setimageuri-out-of-memory-error

http://stackoverflow.com/questions/6907317/assigning-bitmap-to-imageview-via-setimageuri-throws-outofmemory-exception