An invocation of an SDK call that sends a request to Square servers and returns a response. Each call yields its own request and response. Use
Communicates the result of an asynchronous operation.
Represents the result of a successful operation to process card payment information.
A callback invoked on a background thread after the customer successfully enters their card information and before the card entry activity finishes. This lets the application perform additional work using the card information, such as as charging the card.
Represents a payment card.
Lets the application collect card information from the customer.
Commands that determine the behavior of the Square card entry activity after the completion of a
Lets the application retrieve a card nonce using a Google Pay token.
Lets the application read and write the Square application ID via the