Create Keystore file

To generate the APK, you need to create the Keystore file. Make sure to save this file to reuse other version upgrades.

There are 2 ways to create Keystore file:

1. Follow this manual guide
2. Use AppBuilder to automatically create **Keystore**.

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Steps:

• Following the Android Studio key generation steps
• Running the following at the command line:

On Mac/Linux, use the following command:

keytool -genkey -v -keystore ~/key.jks -keyalg RSA -keysize 2048 -validity 10000 -alias key

On Windows, use the following command:

keytool -genkey -v -keystore c:/Users/USER_NAME/key.jks -storetype JKS -keyalg RSA -keysize 2048 -validity 10000 -alias key

Note:

The keytool command might not be in your path—it’s a part of Java, which is installed as part of Android Studio. For the concrete path, run flutter doctor -v and locate the path printed after ‘Java binary at:’.

Then use that fully qualified path replacing java (at the end) with keytool. If your path includes space-separated names, such as Program Files, use platform-appropriate notation for the names. For example, on Mac/Linux use Program\ Files, and on Windows use "Program Files".

Ref: https://flutter.dev/docs/deployment/android#create-a-keystore