This will be the end of our journey of exploring ARCore and augmented reality. In this chapter, we will look at general performance tips for AR and mobile apps specifically. Then, we will cover a number of troubleshooting solutions to use when and/or if you encounter any problems. We will speak about the possible specific issues you may encounter as well as more general patterns to follow if you encounter problems. Here's a summary of the main topics we will cover in this chapter:

• Diagnosing performance
  • Chrome DevTools
  • Android Profiler
  • Unity editor
• Tips for better performance
• General troubleshooting
• Troubleshooting tips

As you likely have already noted many times throughout this book, AR apps require a high level of performance in order to provide a compelling user experience. In the next section, we will look at how we can diagnose performance with each of our platforms.