android-signer

Using JDK 8

if you not have JDK 8, you can download in here https://github.com/frekele/oracle-java/releases

USAGE :

/bin/java -jar sign.jar [name].apk

Manuall signer with zipalign and apksigner

zipalign -f -v 4 release.RE.apk release.RE.zipalign.apk

apksigner sign -v --out release.RE.saved.apk --ks ~/Tools/android-signer/my-release-key.keystore --ks-key-alias alias release.RE.zipalign.apk

NOTE Password keystore : 123456

Other way if you failed to install apk

CASE : adb: failed to install release.RE.saved.apk: Failure [INSTALL_FAILED_INVALID_APK: Failed to extract native libraries, res=-2]

zipalign -p -f 4 release.RE.apk release.RE.zipalign.apk

Create Your Own Keystore

keytool -genkey -v -keystore my-release-key.keystore -alias alias -keyalg RSA -sigalg SHA1withRSA -keysize 2048 -validity 10000