Hi,
You have not properly configured the login . Please test it on debug mode, You will get console logs.
You need to configure your client id and facebook app id
ionic cordova plugin add cordova-plugin-googleplus --variable REVERSED_CLIENT_ID=myreversedclientid
ionic cordova plugin add [email protected] --variable APP_ID="491338181212175" --variable APP_NAME="WPLMS Mobile App"