generate SHA key for firebase code example
Example 1: android developer sha1 fingerprint
keytool -list -v \
-alias androiddebugkey -keystore %USERPROFILE%\.android\debug.keystore
Example 2: how to find google sha licence fdrom android studio in flutter
keytool -list -v -keystore "C:\Users\yourusernamehere\.android\debug.keystore" -alias androiddebugkey -storepass android -keypass android