Exploring the code

Now, let's take a closer look at the main pieces of the app by digging into the source code. Follow the given steps to open the app's code in Android Studio:

1. From the Project window, find and double-click on the HelloArActivity, as shown:

2. After the source is loaded, scroll through the code to the following section:

private void showLoadingMessage() {
 runOnUiThread(new Runnable() {
  @Override
  public void run() {
   mLoadingMessageSnackbar = Snackbar.make(
    HelloArActivity.this.findViewById(android.R.id.content),
    "Searching for surfaces...",
    Snackbar.LENGTH_INDEFINITE);
   mLoadingMessageSnackbar.getView().setBackgroundColor(0xbf323232);
   mLoadingMessageSnackbar.show();
  }
 });
}

3. Note the highlighted text—"Searching for surfaces..". Select this text and change it to &quot...