# Callbacks

* **onSDKReady():** This callback is triggered as soon as the SDK is Initialized.
* **onInfo(int code, String infoMessage):** This is a Callback reporting any info logs from Trill SDK. The callback received an info code with an info message. Refer to Info Responses in documentation.
* **onError(int error\_code, String error\_message):**Callback reporting errors from Trill SDK. This callback receives an error code with an error message. Refer to the 'Errors' section for more information.
* **onPlayingCompleted():** This is a Callback reporting player has finished playing. The callback is triggered every time when playing is finished.
* **onSendingCompleted():**Callback reporting sender has finished playing with all repeat counts. For two way check errorVerifyingUser callback. One Way flow ends here for sender side
* **onDecoded(String decodedString):** Callback reporting data is decoded on the receiver side.
* **onErrorDecoding():** Callback reporting receiver has failed to decode data.