Flutter for Beginners

build.gradle – signing the app

The signing step is the final but most important step before releasing an app to the public, even if you do not want to publish in the Google Play Store. It is the signing that confirms the ownership of the application—briefly, whoever has the signature owns the app. You need this so you can publish updates to your app, for example.

Start by taking a look at the buildTypes section of the build.gradle file:

buildTypes {      release {          signingConfig signingConfigs.debug      }}

It contains the signingConfig property, pointing to a default signing configuration. We need to change this to our own signing configuration for the reasons mentioned before. We do this by performing these steps:

1. We generate our developer keystore ...