change from properties file to xml config file
added back event to fragments, make more clear click event on fragments and activity
Add PKCS7Padding.
Check size of android_id on key, on several devices could be less than 16 characters.
Fix issue #4 Clear back stack to first fragment
Fixes #3 Secure preferences
Fixes #3 Secure preferences
Close #3 Override get preferences to get secure preferences with ENCRYPT flag enabled or unencrypted preferences with flag disabled. Removed preferences instance from activity and fragment. Added test examples.
added legal info and updated readme info of functionality
updated doc and uml
updated readme info of functionality
Merge branch 'develop'