CODE EXAMPLE FOR JAVA

Finding SHA-1 Key in Android Studio For your app

in Android Studio
Fix:
- press ctrl twice
- run->
- keytool -list -v -keystore "c:usersusername.androiddebug.keystore" -alias androiddebugkey -storepass android -keypass android 

in Visual Studio Code 
fix: 
terminal CMD 
run -> cd C:Program Files (x86)Javajre1.8.0_301in
run -> keytool -list -v -keystore "c:usersusername.androiddebug.keystore" -alias androiddebugkey -storepass android -keypass android