I am developing an application in which I have to use existing database but when I try to copy small data base It is copying easily but when I try to copy my database which is o
This is caused by aapt compressing the file in your assets folder. See links below for various solutions:
aapt
How to read LARGE Sqlite file to be copied into Android emulator, or device from assets folder?
http://ponystyle.com/blog/2010/03/26/dealing-with-asset-compression-in-android-apps/