Android_Review_16

Login & Oauth

remember to use Web_app Clien Id , not Anroid_app_clien_id.

1.exchange key

see file called KatesOauh.

2.code

    //config
    val gso = GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
        .requestIdToken("YOUR_WEB_APPLICATION_CLIENT_ID") // generate by step 12 see in github
        .requestEmail()
        .build()

    //create instance using config
    gClient = GoogleSignIn.getClient(this, gso)

    btn.setOnClickListener {
        signIn()
    }

ref: https://johncodeos.com/how-to-add-google-login-button-to-your-android-app-using-kotlin/