• Add a client for each feature:
  • AmericanExpressClient
  • BraintreeClient
  • CardClient
  • DataCollector
  • GooglePayClient
  • LocalPaymentClient
  • PayPalClient
  • PaymentMethodClient
  • PreferredPaymentMethodsClient
  • ThreeDSecureClient
  • UnionPayClient
  • VenmoClient
  • VisaCheckoutClient
• Create callback interfaces to enforce callback pattern:
  • AmericanExpressGetRewardsBalanceCallback
  • CardTokenizeCallback
  • ConfigurationCallback
  • DataCollectorCallback
  • DeletePaymentMethodNonceCallback
  • GetPaymentMethodNoncesCallback
  • LocalPaymentBrowserSwitchResultCallback
  • LocalPaymentStartCallback
  • PayPalBrowserSwitchResultCallback
  • PayPalFlowStartedCallback
  • PreferredPaymentMethodsCallback
  • ThreeDSecureLookupCallback
  • ThreeDSecurePrepareLookupCallback
  • ThreeDSecureResultCallback
  • UnionPayEnrollCallback
  • UnionPayFetchCapabilitiesCallback
  • UnionPayTokenizeCallback
  • VenmoAuthorizeAccountCallback
  • VenmoOnActivityResultCallback
• Migrate braintree-android-google-payment into braintree_android
• Migrate braintree-android-visa-checkout into braintree_android
• Add Configuration#getEnvironment()
• Add Configuration#getPayPalPrivacyUrl()
• Add Configuration#getPayPalUserAgreementUrl()
• Add Configuration#isGooglePayEnabled()
• Add Configuration#isLocalPaymentEnabled()
• Add Configuration#isSamsungPayEnabled()
• Add Configuration#isUnionPayEnabled()
• Add Configuration#isVenmoEnabled()
• Add Configuration#isVisaCheckoutEnabled()
• Update Visa Checkout aar dependency to version 6.6.1
• Add LocalPaymentTransaction to represent Local Payment transactions
• Add amount setter to PayPalRequest
• Breaking Changes
  • Bump browser-switch to 2.0.0-beta1
  • Change GooglePayCapabilities#isGooglePayEnabled() parameters
  • Create american-express module
  • Create card module
  • Create local-payment module
  • Create pay-pal module
  • Create union-pay module
  • Create venmo module
  • Remove PayPal data-collector module
  • Remove PayPal paypal-one-touch module
  • Remove AmericanExpressListener
  • Remove AnalyticsIntentService
  • Remove AnalyticsSender
  • Remove AmericanExpressRewardsBalance default constructor
  • Remove amount parameter from PayPalRequest constructor
  • Remove approvalUrl and paymentId properties from LocalPaymentRequest
  • Remove Beta interface
  • Remove BraintreeApiError
  • Remove BraintreeApiErrorResponse
  • Remove BraintreeApiHttpClient
  • Remove BraintreeBrowserSwitchActivity
  • Remove BraintreeCancelListener
  • Remove BraintreeErrorListener
  • Remove BraintreeFragment
  • Remove BraintreeListener
  • Remove BraintreePaymentResult
  • Remove BraintreePaymentResultListener
  • Remove BrowserSwitchException constructor
  • Remove ConfigurationListener
  • Remove ConfigurationManager
  • Remove Configuration#getCardConfiguration()
  • Remove Configuration#getGraphQL()
  • Remove Configuration#getGooglePayment()
  • Remove Configuration#getKount()
  • Remove deprecated 3DS performVerification methods
  • Remove InstallationIdentifier
  • Remove LocalPaymentResult
  • Remove PaymentMethodNonceCreatedListener
  • Remove PaymentMethodNonceDeletedListener
  • Remove PaymentMethodNoncesUpdatedListener
  • Remove PaymentMethodNotAvailableException
  • Remove PayPalApprovalCallback
  • Remove PayPalApprovalHandler
  • Remove PayPalProductAttributes
  • Remove PayPalTwoFactorAuth
  • Remove PayPalTwoFactorAuthCallback
  • Remove PayPalTwoFactorAuthRequest
  • Remove PayPalTwoFactorAuthResponse
  • Remove PreferredPaymentMethodsListener
  • Remove QueuedCallback
  • Remove ThreeDSecureLookupListener
  • Remove ThreeDSecurePrepareLookupListener
  • Remove TokenizationParametersListener
  • Remove UnionPayListener
  • Remove VisaCheckoutConstants
  • Remove VisaCheckoutNotAvailableException
  • Rename AmericanExpress to AmericanExpressClient
  • Rename Card to CardClient
  • Rename GooglePayment to GooglePayClient
  • Rename LocalPayment to LocalPaymentClient
  • Rename PayPal to PayPalClient
  • Rename PaymentMethod to PaymentMethodClient
  • Rename PreferredPaymentMethods to PreferredPaymentMethodsClient
  • Rename ThreeDSecure to ThreeDSecureClient
  • Rename UnionPay to UnionPayClient
  • Rename Venmo to VenmoClient
  • Rename VisaCheckout to VisaCheckoutClient
  • Rename core module to shared-utils
  • Rename LocalPaymentResult to LocalPaymentNonce
  • Rename braintree module to braintree-core
  • Rename GooglePayment classes to GooglePay
  • Rename BraintreeRequestCodes.GOOGLE_PAYMENT to BraintreeRequestCodes.GOOGLE_PAY
  • Make AnalyticsConfiguration package-private
  • Make AnalyticsDatabase package-private
  • Make AnalyticsEvent package-private
  • Make AppHelper package-private
  • Make AppSwitchNotAvailableException constructor package-private
  • Make AuthenticationException constructor package-private
  • Make AuthorizationException package-private
  • Make BraintreeApiConfiguration package-private
  • Make BraintreeError constructors package-private
  • Make BraintreeException package-private
  • Make BraintreeGraphQLHttpClient package-private
  • Make BraintreeHttpClient package-private
  • Make BraintreeSharedPreferences package-private
  • Make BraintreeResponseListener package-private
  • Make CardConfiguration package-private
  • Make ClassHelper package-private
  • Make ConfigurationException constructor package-private
  • Make DeviceInspector package-private
  • Make DownForMaintenanceException constructor package-private
  • Make ErrorWithResponse constructors package-private
  • Make GraphQLConfiguration package-private
  • Make GraphQLConstants package-private
  • Make GraphQLQueryHelper package-private
  • Make GooglePaymentConfiguration package-private
  • Make HttpClient package-private
  • Make HttpResponseCallback package-private
  • Make IntegrationType package-private
  • Make InvalidArgumentException package-private
  • Make Json package-private
  • Make KountConfiguration package-private
  • Make ManifestValidator package-private
  • Make MetadataBuilder package-private
  • Make PaymentMethodDeleteException constructor package-private
  • Make PayPalConfiguration package-private
  • Make PayPalDataCollector package-private
  • Make PayPalDataCollectorRequest package-private
  • Make PayPalPaymentResource package-private
  • Make PostalAddressParser package-private
  • Make PreferredPaymentMethodsResult constructor package-private
  • Make RateLimitException constructor package-private
  • Make SamsungPayConfiguration package-private
  • Make ServerException constructor package-private
  • Make SignatureVerification package-private
  • Make StreamHelper package-private
  • Make ThreeDSecureV1BrowserSwitchHelper package-private
  • Make TLSSocketFactory package-private
  • Make UnexpectedException constructor package-private
  • Make UnionPayConfiguration package-private
  • Make UnprocessableEntityException constructor package-private
  • Make UpgradeRequiredException constructor package-private
  • Make UUIDHelper package-private
  • Make VenmoConfiguration package-private
  • Make VisaCheckoutConfiguration package-private
  • Move all classes to com.braintreepayments.api package