Payload receive callback

gistfile1.txt

private final PayloadCallback mPayloadCallback = new PayloadCallback() {
@Override
    public void onPayloadReceived(@NonNull String s, @NonNull Payload payload) {
      final   byte[] receivedBytes = payload.asBytes();
        AppUtil.runOnUiThread(new Runnable() {
            @Override
            public void run() {
                long timestamp = System.currentTimeMillis();
                long timeTaken=(timestamp-Long.valueOf(new String(receivedBytes)))/1000;
                strReceived=strReceived+"\n"+timeTaken +""+" sec"+"\n";
                txtReceivedData.setText(strReceived+"");
            }
        });
    }
    @Override
    public void onPayloadTransferUpdate(@NonNull String s,
 @NonNull PayloadTransferUpdate payloadTransferUpdate) {
        if (payloadTransferUpdate.getStatus() == PayloadTransferUpdate.Status.SUCCESS) {
            // Do something with is here...
        }
    }
};