Extends v2 parameters while adding a cryptographic signing lineage capability to support key rotation. Android 11.0 (Red Velvet Cake)
He couldn’t sign it with his old key, and generating a new one through the standard IDE was throwing incomprehensible errors, screaming about JDK path mismatches. He was a coder, but tonight he was just a frantic man with a deadline.
If you see a version number (e.g., openjdk version "11.0.18" ), you are ready. If not, download and install the latest JRE from Adoptium or Oracle.
java -jar uber-apk-signer.jar --apks release/app.apk --ks ~/mykeys/playstore.jks --ksAlias myapp --ksPass mySecret123 download uber-apk-signer.jar
: The tool requires a working Java Runtime Environment (JRE). You can get a compatible build from the Adoptium Eclipse Temurin Download Portal . Verify your installation by running this command in your terminal: java -version Use code with caution. How to Use Uber-APK-Signer (Examples)
The tool shines in its granularity. Below is a breakdown of the most critical command-line arguments.
java -jar uber-apk-signer.jar --apks /path/to/app.apk --ks /path/to/release.keystore --ksAlias myKeyAlias --ksPass myKeystorePassword --ksKeyPass myKeyPassword Use code with caution. 4. Verify an Existing APK Extends v2 parameters while adding a cryptographic signing
: It supports Android signing schemes v1, v2, v3, and v4.
Compatible with Android signing schemes v1, v2, v3, and v4.
If the output indicates a "Good signature," you can be confident the file hasn’t been tampered with. If you see a version number (e
The simplest way to use it is to let the tool handle everything with its built-in debug certificate. java -jar uber-apk-signer.jar --apks /path/to/your/app.apk Use code with caution. Copied to clipboard
It can verify whether an existing APK is correctly signed and aligned. Why Download uber-apk-signer.jar?
Point to a specific zipalign executable if you don't want to use the built-in one. Why Use Uber APK Signer Over Manual Signing?
Simultaneously handles signing, zip aligning, and verification.