Your question is about programming in general. Anyway, this might be a starting point for you: http://developer.android.com/reference/java/security/interfaces/package-summary.html
BTW, it's a very bad practice to store the username and password locally. You should store them on your server instead. ------------------------------------------------- Ali Chousein https://play.google.com/store/apps/details?id=com.apps.social_nav https://play.google.com/store/apps/details?id=com.apps.weather_buddy http://www.paygol.com/android/implementation On Monday, July 9, 2012 6:21:31 AM UTC+2, mohammed Nuhail wrote: > > I am doing chat Application in Android... I have to encrypt and decrypt > username and password and stored it in database. > -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en