Synchronizes transactions and closes the current batch¶

public class MyActivity extends Activity implements PaymentClient.PaymentCallback {

    private PaymentClient paymentClient;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_payment);

        paymentClient = new PaymentClientImpl();
    }

    @Override
    protected void onResume() {
        super.onResume();
        paymentClient.bind(this);
    }

    @Override
    protected void onDestroy() {
         try {
            paymentClient.unbind(this);
        } catch (Exception e) {
            Log.e(TAG, e.getMessage());
        }
        super.onDestroy();
    }

    public void doExecute(){
        ApplicationInfo appInfo = new ApplicationInfo();
        appInfo.setCredentials(new Credentials("demo-app", "TOKEN-KEY-DEMO"));
        appInfo.setSoftwareVersion("1.0.0.0");

        SettlementRequest settlementRequest = new SettlementRequest();
        settlementRequest.setApplicationInfo(appInfo);
        settlementRequest.setPrintMerchantReceipt(true);

        try {
            paymentClient.closeBatchV2(settlementRequest, this);
        } catch (ClientException e) {
            Log.e(TAG, "Error while closing batch.", e);
        }
    }

    @Override
    public void onError(ErrorDataV2 errorDataV2) {
        Log.e(TAG, "Error: " + errorDataV2.getResponseMessage());
    }

    @Override
    public void onSuccess(Settlement settlement) {
        Log.i(TAG, "Success!");
    }
}