In this chapter, you learned more about the different types of storage for our data application in Android. You also learned about the characteristics and risks of each type of storage. You also know how to encrypt the user data and manage the local storage. You have created the necessary methods to encrypt your sensitive data and use it in your application.

In the next chapter, you will learn how to preserve the privacy of your data when it is sent or received over a network from an internal or external device. You will also learn how to secure the network using protocols such as HTTPS.