Saving Data on Android

Where to go from here?
File encryption — and encryption in general — is a broad topic. To learn more about 
it, read the tutorial located at 
https://www.raywenderlich.com/778533-encryption-
tutorial-for-android-getting-started
.To dig deeper into file management on Android, 
also read the official documentation available on the Android Developer site at 
https://developer.android.com/guide/topics/data/data-storage
.
Saving Data on Android
Chapter 1: Using Files
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Chapter 2: Shared 
Preferences
By Jennifer Bailey
Files are a quick and convenient way to store unstructured data in Android. But there 
are other convenient, and more organized, ways to store small bits of data: 
SharedPreferences
.
Understanding SharedPreferences
The