Created with Copy to Gist

gist.java

public synchronized void printText(String text) throws PrintingException {
    final PrintTask printTask = new PrintTask();

    PrintingListener printingListener = new PrintingListener() {
        @Override
        public void onSuccess(SuccessResult successResult) {
            printTask.setResult(PrintTask.RESULT_SUCCESS);
        }

        @Override
        public void onFailure(FailureResult failureResult) {
            printTask.setResult(PrintTask.RESULT_FAILURE);
        }

        @Override
        public void onTimeout(TimeoutResult timeoutResult) {
            printTask.setResult(PrintTask.RESULT_TIMEOUT);
        }
    };

    printerApi.startPrinting(text, printingListener);

    printTask.getResult();

}