Flutter Google Signin Without Firebase For Beginners 

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Command for genrating keystore file for Mac/Linux:-
keytool -genkey -v -keystore ~/upload-keystore.jks -keyalg RSA -keysize 2048 -validity 10000 -alias {your alias name}
Command for genrating keystore file for Window-
keytool -genkey -v -keystore %userprofile%\upload-keystore.jks -storetype JKS -keyalg RSA -keysize 2048 -validity 10000 -alias {your alias name}
Command to get SHA1 key:-
keytool -list -v -keystore {path-to-keystore}

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