Most applications need to save some kind of data. You want to learn how to use the storage options provided by the Android system, how can you protect your data application, what security measures should be taken in each type of storage, and how can you use encryption in Android to preserve the privacy of your data.

This chapter presents the mechanisms offered by Android to preserve user data privacy. You will learn to handle data when it's stored on the device, what are the risks involved with the storage, the different storage options, and how to secure the storage. You will also learn about cryptography and how to encrypt local data.

The topics that will be covered in this chapter are: