static async signIn() {
    try {
      await GoogleSignin.hasPlayServices({ autoResolve: true });
      await GoogleSignin.configure(googleKeys);
      const { idToken } = await GoogleSignin.signIn();

      const provider = firebase.auth.GoogleAuthProvider;
      const credential = provider.credential(idToken);

      const data = await firebase.auth().signInWithCredential(credential);

      const user = {
        mail: data.email,
        photoURL: data.photoURL,
        name: data.displayName,
      };

      return user;
    } catch (err) {
      console.log(`There was an error in google signIn : ${err}`)
    }
  }