FLutter Building release APK file

******* command for generating jks file ****
keytool -v -genkey -v -keystore release.keystore -alias sai -keyalg RSA -validity 100000
***********************

** android/app/build.gradle **

def keystoreProperties = new Properties()
def keystorePropertiesFile = rootProject.file('key.properties')
if (keystorePropertiesFile.exists()) {
    keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
}

android{
 signingConfigs {
        release {
            keyAlias keystoreProperties['keyAlias']
            keyPassword keystoreProperties['keyPassword']
            storeFile file(keystoreProperties['storeFile'])
            storePassword keystoreProperties['storePassword']
        }
    }
    buildTypes {
        release {
            // TODO: Add your own signing config for the release build.
            // Signing with the debug keys for now, so `flutter run --release` works.
            signingConfig signingConfigs.release
        }
    }
}


** android/key.properties **
storePassword=saigopi@123
keyPassword=saigopi@123
keyAlias=sai
storeFile=/Users/saigopinarimeti/Downloads/chat2x.jks