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PreferenceManager getDefaultSharedPreferences is deprecated in Android 10. How do I replace it?
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PreferenceManager: Used to help create Preference hierarchies from activities or XML. SharedPreferences: Interface for accessing and modifying preference data returned by getSharedPreferences(String, int). For any particular set of preferences, there is a single instance of this class that all clients share.
This example demonstrates how to use shared preferences in Android using Kotlin. Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project. Step 2 − Add the following code to res/layout/activity_main. xml.
Android Shared Preferences Overview Android stores Shared Preferences settings as XML file in shared_prefs folder under DATA/data/{application package} directory. The DATA folder can be obtained by calling Environment.
You can use the Android 10 support library version of PreferenceManager, i.e., androidx.preference.PreferenceManager and not android.preference.PreferenceManager.
Remember to add the following to your build.gradle:
implementation 'androidx.preference:preference:1.1.1'
Package preference provides the androidx PreferenceManager:
Java: implementation "androidx.preference:preference:1.1.1"
Kotlin: implementation "androidx.preference:preference-ktx:1.1.1"
i.e.
change android.preference.PreferenceManager to androidx.preference.PreferenceManager
Also see PreferenceFragmentCompat, which is the current PreferenceFragment class to use.
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