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- How to change signature of android studio apk how to#
- How to change signature of android studio apk apk#
When you generated your apk file, one of the inputs was a Java keystore (.jks) file. The Java keytool utility is part of the Java JDK installation and can be found in your JAVA_HOME\bin directoryĪpps signed with your app signing key (Build -> Generate Signed APK) Use the Java keytool utility to extract the certificate from the keystore SigTools output is also written to the clipboard, enabling you to easily paste the string into StageNow if required 2. crt file or HEX / Base64 string to MX as required. Generate a Base64 string java -jar SigTools.jar getcert -inform apk -outform base64 -in app.apk -outfile app.base64 Generate a HEX string java -jar SigTools.jar getcert -inform apk -outform hex -in app.apk -outfile app.hex Generate a certificate file encoded as a binary DER (.crt) java -jar SigTools.jar getcert -inform apk -outform der -in app.apk -outfile app.crt Note that you CANNOT use the app signature tool to generate the signature of an app signed with the Android debug keyĪssuming you have a signed apk file you can invoke the signature tools utility as follows:
How to change signature of android studio apk how to#
In all cases, the data contained within the certificate represents the same thing, the signature of the certificate that signed the app How to obtain the Package Signature
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How you specify the signature to MX depends on which MX feature you are calling. The Android app bundle process complicates this slightly and is discussed later in this document.įor more information on Android app signing please see the Google documentation How to specify the Package Signature So, the apk is always signed with a key unless you deliberately choose to generate an unsigned apk.