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Android Development Essential Training: 5 Storage and Databases

1h 16mBeginner2021-09-15

Authors

Annyce Davis

Engineering leader, international conference speaker, and author.

Course details

Do you want to build an application for Android? The Android Development Essential Training series teaches the basics needed to develop, design, manage, and distribute your own native Android application using the Kotlin programming language and the Android SDK. In part 5 of this course, Annyce Davis tackles storage and databases, and how you can develop apps that take advantage of a device’s storage. She shows how to use the Android file system to store and load JSON data with Moshi, how to persist data with shared preferences, and how to manage databases with Room. To close out the course, Annyce gives one last challenge to test your knowledge.

Skills covered

Android DevelopmentAndroidMobile DevelopmentGoogleEssential Training

Concepts

Introduction

Data storage on Android
What you should know
Following along with the course

Read and Write Files

Manage storage on Android
Save files to internal storage
Read files from internal storage
Manage runtime permissions
Request external storage permissions
Save files to external storage

Persist Data in Shared Preferences

Manage shared preferences with code
Explore Jetpack DataStore
Use Preferences DataStore to manage user settings

Manage Databases with Room

Manage data with Room
Define a database with Room
Define SQL operations in a DAO
Insert data with Room
Retrieve data with Room
✓ Challenge - Modify data with Room
✓ Solution - Modify data with Room

Conclusion

Next steps