MainActivity.java

        if (mResponse != null) {
            // Manually filter the proto message to the label descriptions
            ArrayList<String> labels = new ArrayList<String>();
            String labelstr = "";
            
            if (mResponse != "No stored label data") {
                for (String it : mResponse.split(",")) {
                    if (it.split(":")[0].contains("description")) {
                        labels.add(it.split(":")[1]);
                        labelstr += it.split(":")[1] + " / ";
                    }
                }
                Log.d(TAG, "Found: " + labels.size() + " labels.");
            } else {
                Log.d(TAG, "Building cache...");
            }
            ((TextView) findViewById(R.id.response_data))
                    .setText(labelstr);
        }