SharedPreferences Android Studio | SharedPreference | Save and Retrieve Data in SharedPreferences

SharedPreference Android Studio
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. Each SharedPreferences file is managed by the framework and can be private or shared.
This page shows you how to use the SharedPreferences APIs to store and retrieve simple values.
One of this way is called Shared Preferences. SharedPreferences allow you to save and retrieve data in the form of key,value pair.

Android SharedPreferences
Android provides many ways of storing data of an application. One of this way is called SharedPreferences. SharedPreferences allow you to save and retrieve data in the form of key,value pair.
In order to use shared preferences, you have to call a method getSharedPreferences() that returns a SharedPreference instance pointing to the file that contains the values of preferences.

SharedPreferences in Android with Example
One of the most Interesting Data Storage options Android provides its users is SharedPreferences. SharedPreferences is the way in which one can store and retrieve small amounts of primitive data as key/value pairs to a file on the device storage such as String, int, float, Boolean that make up your preferences in an XML file inside the app on the device storage. SharedPreferences can be thought of as a dictionary or a key/value pair. For example, you might have a key being “username” and for the value, you might store the user’s username. And then you could retrieve that by its key (here username). You can have a simple sharedpreference API that you can use to store preferences and pull them back as and when needed. SharedPreferences class provides APIs for reading, writing, and managing this data. A sample GIF is given below to get an idea about what we are going to do in this article. Note that we are going to implement this project using the Java language.

Using SharedPreferences in Android to store data
We are going to talk about SharedPreferences in Android. It is a place where you can store data; this is an XML file with values stored in it. Almost all applications need to store some data. Data can be a lot of different things; it can be just an email for a registration form, the last opened screen, nickname for a game or a proper database. If you are not ready to use a full-blown database yet (or just don’t need it), you can use SharedPreferences to store simple data. But you can also store a bit more complex data if you want.

SharedPreferences are not intended to store a lot of data, there is no limit per se (since it is an xml file), but for larger sets of data, I would suggest using Room (or SQLite for the older projects). There is also another reason why storing in a database makes more sense. For example the structure, tables and relations, primary/foreign keys… but this is a whole other topic, and today we will store data in SharedPreferences

Shared Preference Tutorial With Example In Android Studio
Shared Preference in Android are used to save data based on key-value pair. If we go deep into understanding of word: shared means to distribute data within and preference means something important or preferable, so SharedPreferences data is shared and preferred data.
In order to use shared preferences, you have to call a method getSharedPreferences() that returns a SharedPreference instance pointing to the file that contains the values of preferences.
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Often you'll find it is necessary to store certain options persistently throughout the lifetime of the application. Using the SharedPreferences interface is the perfect way to do this! This tutorial will cover storing and accessing data using the SharedPreferences interface.

Storing Data with SharedPreferences
In order to store data to the SharedPreferences you need to first instantiate an instance of the SharedPreferences like so.

Android Shared Preferences Example Tutorial
hared Preferences allows activities and applications to keep preferences, in the form of key-value pairs similar to a Map that will persist even when the user closes the application.

Storing and Accessing SharedPreferences
Shared Preferences: Saving data to Android device | Shared Preference In Android
Shared Preferences: Saving data to Android device | Shared Preference In Android

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