first commit
added preference code
updated pref helper
logtype needed with log
updated with log type
Merge branch 'master' of bitbucket.org:minhaz/utility
added app certificate
added key generation algorithm
header utility completd
added current local
updated version code
added aes encryption decryption
fix decryption
added date utility
check if activity exist or not
Update For github upload
Merge branch 'master' of https://github.com/minhazr/AndroidUtility