I am create my app in ionic v3 with Target SDK version 30 when i am upload my apk on google play console i am getting error "You uploaded an APK with an invalid signature (learn more about signing). Error from apksigner: ERROR: MIN_SIG_SCHEME_FOR_TARGET_SDK_NOT_MET: Target SDK version 30 requires a minimum of signature scheme v2; the APK is not signed with this or a later signature scheme"
When i am making apk with Target SDK version 29 and upload on google play console its upload without any error
i don't no whay google give me an error
create sign in apk proccess are same in Target SDK version 30 or Target SDK version 29 same keystore and all command are same for create sign apk
My command are ionic cordova build --release android
jarsigner -verbose -sigalg SHA1withRSA -digestalg SHA1 -keystore myappname.keystore app-release-unsigned.apk myapp
zipalign -v 4 app-release-unsigned.apk myappname.apk
Please Check what is wrong on about command and let me know it's argent my client are waiting a Target SDK version 30
Solution
i am use this solution for ionic app only using cmd
After zipalign command success apply this command for conver sign apk with signature scheme v2
apksigner sign --v2-signing-enabled false --ks keystore name.keystore signapkname.apk
apksigner sign --ks keystore name.keystore signapkname.apk
apksigner sign --ks keystore name.keystore --ks-key-alias aliasname signapkname.apk
keytool -printcert -jarfile signapkname.apk
apksigner verify -v --print-certs signapkname.apk
apksigner verify -v signapkname.apk