adrianhall

// Configure the Google Sign in requirements
val googleSignInOptions = GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
        .requestIdToken(resources.getString(R.string.google_client))
        .requestEmail()
        .build()
val googleSignInClient = GoogleSignIn.getClient(this, googleSignInOptions)
loginFormGoogleLoginButton.onClick {
    startActivityForResult(googleSignInClient.signInIntent, GOOGLE_SIGN_IN)
}

adrianhall

// Register the callback for the Facebook authentication
LoginManager.getInstance().registerCallback(callbackManager, object : FacebookCallback<LoginResult> {
    override fun onSuccess(result: LoginResult?) {
        result?.let { model.federateWithFacebook(it.accessToken) }
        [email protected]()
    }
    override fun onCancel() {
        Log.d(TAG, "Facebook authentication is cancelled")
        toast("Facebook Authentication is cancelled")
    }

adrianhall

    /**
     * Federate with Facebook authentication
     */
    override fun federateWithFacebook(accessToken: AccessToken) {
        Log.d(TAG, "Federating with Facebook")
        thread(start = true) {
            with(service.identityManager.underlyingProvider) {
                clear()
                withLogins(mapOf("graph.facebook.com" to accessToken.token))
                refresh()

adrianhall

// Register the callback for the Facebook authentication
LoginManager.getInstance().registerCallback(callbackManager, object : FacebookCallback<LoginResult> {
    override fun onSuccess(result: LoginResult?) {
        Log.d(TAG, "Facebook token = ${result?.accessToken?.token}")
        toast("Access Token received")
   }

    override fun onCancel() {
        Log.d(TAG, "Facebook authentication is cancelled")
        toast("Facebook Authentication is cancelled")

adrianhall

// Facebook Requirement
private val callbackManager: CallbackManager = CallbackManager.Factory.create()

override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
    // Handle response from Facebook SDK
    callbackManager.onActivityResult(requestCode, resultCode, data)
    super.onActivityResult(requestCode, resultCode, data)
}

adrianhall

<!-- Facebook Requirements -->
<meta-data
    android:name="com.facebook.sdk.ApplicationId"
    android:value="@string/facebook_app_id"/>
<activity 
    android:name="com.facebook.FacebookActivity"
    android:configChanges="keyboard|keyboardHidden|screenLayout|screenSize|orientation"
    android:label="@string/app_name"/>

adrianhall

custom:
  amplify:
    - filename: ../android/app/src/main/res/raw/awsconfiguration.json
      type: native
      appClient: AndroidUserPoolClient
    - filename: ../ios/App/awsconfiguration.json
      type: native
      appClient: iOSUserPoolClient
    - filename: ../web/src/aws-exports.js
      type: javascript

adrianhall

    @SuppressLint("InflateParams")
    private fun handleLogin() {
        model.initiateSignin { identityRequest, params, callback ->
            when(identityRequest) {
                IdentityRequest.NEED_CREDENTIALS -> {
                    callback(mapOf(
                            "username" to loginFormUsernameField.text.toString(),
                            "password" to loginFormPasswordField.text.toString()
                    ))
                }

adrianhall

class AuthenticatorViewModel(private val identityRepository: IdentityRepository) : ViewModel() {
    /**
     * Current user record, or null if the user is not logged in
     */
    val currentUser: LiveData<User?> = identityRepository.currentUser

    /**
     * Stored user name, or null if the user has never logged in
     */
    val storedUsername: LiveData<String?> = identityRepository.storedUsername

adrianhall

    override fun initiateSignin(handler: IdentityHandler) {
        try {
            userPool.currentUser.getSessionInBackground(object : AuthenticationHandler {
                override fun onSuccess(nSession: CognitoUserSession?, newDevice: CognitoDevice?) {
                    val userSession = checkNotNull(nSession) { "user session is null" }
                    storeUserSession(handler, userSession)
                    runOnUiThread { handler(IdentityRequest.SUCCESS, null, DO_NOTHING) }
                }
                
                override fun onFailure(exception: Exception?) = handleFailure(handler, exception?.message)