android

create a key using

keytool -genkey -v -keystore my-release-key.keystore -alias alias_name -keyalg RSA -keysize 2048 -validity 10000

then sign the apk using :

jarsigner -verbose -sigalg SHA1withRSA -digestalg SHA1 -keystore my-release-key.keystore my_application.apk alias_name

http://developer.android.com/tools/publishing/app-signing.html#setup







http://www.droidviews.com/tutorial-how-to-decompile-and-recomplie-apk-files/

http://pallergabor.uw.hu/androidblog/dalvik_opcodes.html

http://androidcracking.blogspot.com.by/search/label/smali

http://habrahabr.ru/post/127637/