How to delete shared preferences data from App in Android

Question

How do I delete SharedPreferences data for my application   I m creating an application that uses a lot of web services to sync data  For testing purposes  I need to wipe out some SharedPreferences values when I restart the app

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The Kotlin ktx way to clear all preferences   val prefs  SharedPreferences   getSharedPreferences  prefsName   Context MODE PRIVATE  prefs edit commit   true        clear       Click here for all Shared preferences operations with examples

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To remove a particular value    SharedPreferences Editor remove String key  followed by a commit   or a apply     To remove all the values   SharedPreferences Editor clear   followed by a commit   or a apply

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None of the answers work for me since I have many shared preferences keys   Let s say you are running an Android Test instead of a unit test   It is working for me loop and delete through all the shared prefs files       BeforeClass will run before all the tests and ActivityTestRule    BeforeClass public static void setUp         Context context   InstrumentationRegistry getTargetContext         File root   context getFilesDir   getParentFile        String   sharedPreferencesFileNames   new File root   shared prefs   list        for  String fileName   sharedPreferencesFileNames            context getSharedPreferences fileName replace   xml        Context MODE PRIVATE  edit   clear   commit

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If it is for your testing  You can use adb commands   adb shell pm clear  lt package name gt

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One line of code in kotlin  getSharedPreferences  quot MY PREFS NAME quot   MODE PRIVATE  edit   clear   apply

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My solution   SharedPreferences preferences   getSharedPreferences  Mypref   0   preferences edit   remove  text   commit

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Seems that all solution is not completely working or out-dead   to clear all SharedPreferences in an Activity   PreferenceManager getDefaultSharedPreferences getBaseContext    edit   clear   apply      Call this from the Main Activity after onCreate   note  i used  apply   instead of  commit    you are free to choose commit

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new File context getFilesDir    fileName  delete      I can delete file in shared preferences with it

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Try this code    SharedPreferences sharedPreferences   getSharedPreferences  fake   Context MODE PRIVATE   SharedPreferences Editor edit   sharedPreferences edit    edit clear   commit

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To remove the key-value pairs from preference  you can easily do the following getActivity   getSharedPreference   edit   remove  quot key quot   apply     I have also developed a library for easy manipulation of shared preferences  You may find the following link https   github com farruhha SimplePrefs

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In the class definitions   private static final String PREFERENCES    shared prefs    private static final SharedPreferences sharedPreferences    getApplicationContext   getSharedPreferences PREFERENCES  MODE PRIVATE     Inside the class   public static void deleteAllSharedPrefs        sharedPreferences edit   clear   commit

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You can also just manually uninstall your app using your device  Then when you re-install your app  shared preferences have been reset

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Removing all preferences   SharedPreferences settings   context getSharedPreferences  PreferencesName   Context MODE PRIVATE   settings edit   clear   commit      Removing single preference   SharedPreferences settings   context getSharedPreferences  PreferencesName   Context MODE PRIVATE   settings edit   remove  KeyName   commit

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As of API 24  Nougat  you can just do   context deleteSharedPreferences  YOUR PREFS      However  there is no backward compatibility  so if you re supporting anything less than 24  stick with   context getSharedPreferences  YOUR PREFS   Context MODE PRIVATE  edit   clear   apply

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To clear all SharedPreferences centrally from any class   public static SharedPreferences Editor getEditor Context context        return getPreferences context  edit        And then from any class   commit returns a Boolean where you can check whether your Preferences cleared or not   Navigation getEditor this  clear   commit      Or you can use apply  it returns void  Navigation getEditor this  clear   apply

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To remove specific values  SharedPreferences Editor remove   followed by a commit    To remove them all SharedPreferences Editor clear   followed by a commit    If you don t care about the return value and you re using this from your application s main thread  consider using apply   instead

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If it s not necessary to be removed every time  you can remove it manually from      Settings -  Applications -  Manage applications -   choose your app    -  Clear data or Uninstall   Newer versions of Android      Settings -  Applications -   choose your app  -  Storage -  Clear data   and Clear cache

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Deleting Android Shared Preferences in one line  -   context getSharedPreferences  YOUR PREFS   0  edit   clear   commit      Or apply for non-blocking asynchronous operation   this getSharedPreferences  YOUR PREFS   0  edit   clear   apply

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Clear them all   PreferenceManager getDefaultSharedPreferences context  edit   clear   apply

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Editor editor   getSharedPreferences  clear cache   Context MODE PRIVATE  edit    editor clear    editor commit

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You can use the adb shell to do this even without a rooted phone  The only catch is that the app must be debuggable   run-as  lt your package name gt   lt command gt    For example   run-as com asdf blah rm  data data com asdf blah databases myDB db   Alternatively  you can just do the above but without the command which will direct you to the app package root and allow you to execute more commands in the app s context

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Just did this this morning   From a command prompt   adb shell cd  data data YOUR PACKAGE NAME shared prefs rm      to remove all shared preference files rm YOUR PREFS NAME xml    to remove a specific shared preference file   NOTE  This requires a rooted device such as the stock Android virtual devices  a Genymotion device  or an actual rooted handset tablet  etc

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You can always do it programmatically as suggested by the other answers over here  But for development purpose  I find this Plugin very helpful as it speeds up my development significantly  PLUGIN  ADB Idea It provides you with features to Clear App Data and Revoke Permission from your Android Studio itself  just with click of a button

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You can use preferences edit   remove  key   commit   to delete saved values from shared preferences

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String prefTag    someTag   SharedPreferences prefs   PreferenceManager getDefaultSharedPreferences applicationContext   prefs edit   remove prefTag  commit      This will delete the saved shared preferences with the name  someTag

[android] How to delete shared preferences data from App in Android

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