Simple Quiz App- Android Shared Preferences-store data using shared preferences tutorial

In this tutorial we will learn how to store highest score of an user using Shared Preferences. Android Shared Preferences allows us to store data in the memory of android phone so that data is not lost even the app get closed.


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code for this tutorial - https://bit.ly/2NoLj9c

This is the final part( part 11) video of our simple quiz app development.
Full Playlist : https://www.youtube.com/watch?v=P5OeFYPj-ao&list=PLTNKiuHA_U6uKh3pk_LZ-_URsfXi1k2fx
10th part(Part 10 - Firebase Authentication - User login using Firebase Auth) - https://youtu.be/LEEefFbHLsA
Ninth part(Part 9 - Options Menu with NavigationUI) - https://youtu.be/QFk2yjoXopY
Eighth part(Part 8 - Safe Args to pass data between fragments) - https://youtu.be/GL_VRKkqFNI
Seventh part(Part 7 - Navigation and navigation pop behaviour) - https://youtu.be/GE4GcKXIjlM
Sixth part(Part 6 - More Game Logic to generate questions and get score) - https://youtu.be/yg3P8xvXVkI
Fifth part(Part 5 - DataBinding to update UI data) - https://youtu.be/MwduuPL-eTk
Fourth part(Part 4 - Add Game Logic) - https://youtu.be/Mnm1UD8My34
Third part(Part 3 - Fragment and Navigation) - https://youtu.be/dmZk1ov-mOM
Second part(Part 2 - Starter Project) - https://bit.ly/2svbmEv



 First, Let’s see what shared Prefences are.
1.Shared Preferences allows activities and applications to keep preferences or data.
2.If you have a relatively small collection of key-values that you'd like to save, you should use the SharedPreferences APIs. A SharedPreferences object points to a file containing key-value pairs and provides simple methods to read and write them.
3.Shared preferences only store Primitive data types like Integer, String, Double , Float or Boolean. If you want to store object type data please consider SQLite database.
4. Shared Preferences is persistent which means it stores data into disk of android phone. So that even if the app get closed the data still remains stored and ready to use.

This tutorial is focused on How to Save Variables in SharedPreferences.


Full Source Code - https://github.com/pastoral/Simple-Quiz

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