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In this article, we are going to learn how to store list in shared preference in Android. So let’s get started.
For storing list of object(String used in this article or any other object) into Shared preference, first we need to convert List<String> into string. And we easily convert list of object in Java or Kotlin into JSON string using Gson.
Gson is a Java library that can be used to convert Java Objects into their JSON representation. It can also be used to convert a JSON string to an equivalent Java object.
Before using Gson in our project, please add below dependency to your app level Gradle file.
Converting List of object into JSON string:
Create your preference editor:
Shared preference to get data:
Accessing stored JSON string from shared preference as List of Object:
Here, type is used to tell Gson that we want this JSON to be translated to a List of Strings.
Happy Coding 🙂
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