Android clear application data programmatically

Android clear application data programmatically. import { Storage } from '@ionic/storage'; @Injectable () export class CacheService { constructor (public cache: Storage Jan 30, 2018 · The only way I figured out to clear the data is to check the lastUpdateTime at the time of publishing the app. can be entered again. Mar 1, 2017 · Clear Cache in Android Application programmatically. applicationpackagename/. This is equivalent to the user choosing to clear the app's data from within the device settings UI. I have database in that server. Mar 27, 2019 · After calling . The code looks like this: webView. I suppose all data was deleted. 00B. None of the above questions give a straightforward answer that is applicable to Android PhoneGap/Cordova applications. Saha. Jun 24, 2020 · How to implement Flutter App clear user app data and storage on logout. clearApplicationUserData() application is killed. Applications like facebook, google+, gmail and some games captures more data on phone and SDCARD. g. The app is designed to store the details that it asks in its first screen. --> Then click button clear data to erase the app from the Phone and SDCARD. exec("pm clear com. Apr 24, 2022 · Part of Mobile Development Collective. 2. You need to create Dao, in your Dao make something like this: @Dao. When you want to close the entire app, you can do something like this: setResult(RESULT_CLOSE_ALL); finish(); Because you don't have access to the system folders to delete them by your self in a non rooted device so you politely ask Android to do it for you. Dec 11, 2015 · Is there a code only for clear cache and not data of a application? Code: Clearing Cache in android App Programmatically. What I would like to do is after logging out, the application should restart so that credentials etc. The problem I'm having is that at the point of the user clicking 'log-out', the application already has 3-4 activities running, and I'm not sure how to Nov 16, 2011 · I clear the browser's cache for development reasons. getPackageName(); Runtime runtime = Runtime. clearCache(true); webView. They use a richer version of the PackageManager. name_prefs. As the user navigates to screens throughout your app, the NavController adds and removes destinations to and from the back stack. getSharedPreferences (SHARED, Context. katana. BUT all shared preferences were not cleared. Your app to remove other apps' data might work only if the Android device is rooted. In practice it doesn't work. Apr 14, 2023 · The following are the steps to remove the leftover files manually: 1. 1. i want to clear everything (shared preferences, global variables, singletons, local storage, cache) this should be equivalent to Android > settings > App > clear storage & clear cache. To clear the cache in the non-system data folders you do this. Check the documentation. If you use Async Storage, you need to use API of removeItem. The default value is "false". xml. Having access to backup files (i. the reason your Feb 21, 2021 · I need one help regarding cache memory in my android app. Answer found here: Clear Application cache on exit in android. I just want to clear cache not to clear data. I want reference/help/code that handles my application. Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project. 0, you can get a reference to the NavBackStackEntry for any destination on the navigation stack by calling NavController. packageName,null)); startActivity(intent); This is obviously not the way e. May 23, 2024 · On devices that run Android 9 (API level 28) or lower, your app can access the app-specific files that belong to other apps, provided that your app has the appropriate storage permissions. Below is my tried code. clearApplicationUserData(); Permits an application to erase its own data from disk. Constant Value: Mar 1, 2011 · sharedPref = context. I have also used below permission in manifest file: "android. If you remove the flag, logcat will not terminate and keeps sending any new line added to it. 2. Solution - use android:allowBackup="false" in the manifest file. katana"); it does not work,i have no Jan 2, 2018 · In the world of Android app development, making network requests to fetch data from APIs is a common task. Step 2. 4. The xml file that is created on internal storage won't be deleted. Step 2: Updated xml file with below . REQUEST_DELETE_PACKAGES" /> add a package in your pubspec. This is the code I use: Jul 8, 2020 · Since, play store got problem to update apps instantly instead, have to clear cache/ clear data before can get update apps. exec("pm clear PACKAGE_NAME"); but this is working for own app only, i can not clear data of other app using this. For information : Android - How to delete a whole folder and content? Sep 19, 2017 · LoginManager. How to clear other apps data Jan 9, 2019 · what is the correct way to clear cache in android Application programmatically. 1. CLEAR_APP_CACHE"/>. Share. If you have multiple tasks (unlikely for most apps) in your application then you need o set this flag for root activity of all the task. name_preferences. Jan 22, 2019 · Oct 25, 2012 at 16:12. Enable USB Debugging . CLEAR_APP_USER_DATA to clear data of package. I'm using the cordova storage plugin. Enable Developer Option . I have implemented this functionality in a cordova-plugin: Nov 14, 2019 · 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. Once in there, click on an application. Jan 19, 2019 · Clear app data programmatically in Android. To learn more about how to store and access files on Android, see the storage training guides. But it force closes the app. so to remove the app from the list of recent app you can set this flag on the first activity in your application since that activity launches the the task for you application. adb shell 'pm list packages' | sed -e "s/package\://" | xargs -n1 adb shell pm clear List all packages. Thanks Oct 2, 2012 · You can keep reading the logs, just by removing the "-d" flag in your code above. This will help resolving the Issue with Android 8 and above . then i try to clean login information by clear other apps application data on root device. I also see lots of tutorials in stackoverflow, but I am not able to clear all the data from my application. Read more > How to clear the application cache programmatically - Quora Oct 14, 2021 · this is first one: Intent intent = new Intent(); intent. (Image credit: Future) The next time you use the app, it will Jul 30, 2019 · This example demonstrates how do I programmatically “restart” an Android app. The "-d" flag instruct to logcat to show log content and exit. Most probably you can run adb shell su -c "rm -rf /data/data/<app's package>/cache/*" to delete the cache only for the app (the app might have some custom caching, which isn't affected by this). setAction(ACTION_CLEAR_APP_CACHE); startActivityForResult(intent,REQUEST_CLEAR_APP_CACHE); And this is second one: Intent storageIntent = new Intent(); storageIntent. clearSearches(getContentResolver()); Feb 16, 2019 · It should work like the "Force Stop" on device. Part of Mobile Development Collective. getInstance(). Newer versions of Android: Settings -> Applications -> (choose your app) -> Storage -> Clear data and Clear cache. resetApp(); Jun 13, 2023 · Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand I'm trying to achieve the goal of clearing all app data using Git Bash on Windows, but I don't know exactly if this approach is wrong, because it shows FAILED on every line. clearApplicationUserData() is designed to work like that, once you call it, the app process will be killed without any warning. Jul 12, 2018 · Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand Mar 8, 2023 · Find the application you want to clear the cache of and tap its listing. name_foo. when android:allowBackup="true"), it is possible to modify/read the content of an app even on a non-rooted device. when the data schema changes. getRuntime(); runtime. If the back stack contains more than one instance of the specified destination, getBackStackEntry() returns the topmost instance from the stack. and it logins (Google SignIn) correctly but after logout and pressing on LogIn Again doesn't take my account, instead it saves that Gmail once, and clicking log-in again uses previous login credentials. facebook. 1, I observed that uninstalling my app and installing it again does not clear its data. Clearing app cache programmatically? 0. Mar 4, 2016 · Basically, by logging out, the application data should be cleared. clearHistory(getContentResolver()); Browser. Interestingly enough, you can delete files from the cache, but you cannot put files in another application's cache and you can't read files from another application's cache. fromParts("package", getPackageManager(). Apr 4, 2019 · got solved, i think it's old way but it's working fine found it here i actually used his question code at the end of the my mainActivity file and it worked like a charm, though i guess it's an old way but it's ok. FLAG_ACTIVITY_CLEAR_TASK); From the doc: public static final int FLAG_ACTIVITY_CLEAR_TASK. Apr 30, 2017 · Refreshing the application data before each test case without restarting Katalon Studio katalon-studio , katalon-recorder , mobile-testing Apr 29, 2017 · Android : How to Clear Application data and cache programmatically. Navigate down to “Apps”. list(); for (int i=0; i<myFiles. 0. How to clear user data upon app update? 0. The use cases are organized into two categories: handling media files and handling non-media files. If you only have one of the IDs available, you can set emptyList() on the other list. The following code example shows how to delete Steps data using its IDs: suspend fun deleteStepsByUniqueIdentifier(. 806 1 11 22. Let's Start. but I want to clear all these data in application exit. Your application is run by a user which has R/W access on this directory. getCacheDir () in your DiskLruCache. exec(""+packageName); I have following errors in unity editor: The name `getApplicationContext' does not exist in the current context. I guess the app is storing some sort of startup code in app data. He probably means file-types that are set to open via his application. removeAllCookies (ValueCallback callback). Use "startActivityForResult" instead of "startActivity": //Get cache dialog. Logon credentials are often stored in browser cookies, which you can delete by a call to. The answer given here is false, there are market apps which have a programmatic clear all app cache functionality. I want to do clear cache of that app programmatically. What is the simplest way to delete all data stored in your created app programmatically? Jun 10, 2020 · 4. However, I want to delete the stored data and the cache in a simple way whenever I am exiting my app. You don't need that getInstance() method as the runtime already guarantees you that there will only be one instance. This intent should be launched using Activity#startActivityForResult (Intent, int) so that the user knows which app is requesting to clear cache. FLAG_ACTIVITY_NEW_TASK | Intent. 1-devices. – Amit K. But it's not reliable since the user has other ways or sources of getting the app (like sharing it with a friend or if the user had a backup of the old app). Clearing local storage, session storage, IndexDB, cookies, etc. If not cleared, there could be data corruption when syncing data with the database. MODE_PRIVATE); editor =sharedPref. Tap the Clear cache button. There's clearly a problem here---but simply clearing your app data and cache might prove to be a pretty easy fix. Get the temp folder and delete files in it. Understand your needs. In this post we are going to learn how to uninstall apk programmatically in Android. getDriver() driver. File cache = getCacheDir(); File appDir1 = new File(cache Aug 2, 2021 · Basically my App displays the WebView of a website. same "defaults" that you can clear by going to Settings>ManageApplication>some app - "clear defaults" like when an app is set as default launcher or sharer of mages. – erik. Retrofit is a powerful and… 8 min read · Nov 28, 2023 Mar 27, 2021 · I am trying to delete my app data programmatically using Kotlin as my programing language but did not find any solution. logOut(); no work. Step 1. calling finish () will only exit the current activity, not the entire application. I am keeping some app data to the device's internal memory so when users clicks on Clear Data option from Settings->Applications-> Clear Data button, all data saved in internal memory gets cleared. yaml file. xml Note: Using pm clear YOUR_APP_PACKAGE the app crashes. After that observe ViewModel in your Activity/Fragment. Its not clearing data. how to clear cached data in android. getSystemService(ACTIVITY_SERVICE)). 5. xml app. Oct 21, 2021 · 0. You just need to remove every files in it. It is recommended to disallow users to backup an app if it contains sensitive data. Update: CookieManager. If you want just to clear DB or some files stored by app that you know of, you can do it manually, and then restart app, but if you want to completely erase all user data you need to shut app, and maybe before that inform user that he will need to manually start Added in API level 1 Allows an application to clear the caches of all installed applications on the device. The NavController therefore pushes items to and Feb 25, 2020 · How to uninstall/delete APK Programmatically in Android Last updated Feb 25, 2020. Tap on the application’s name. Follow how to clear data cache of the application through code. Is it Jun 26, 2013 · 2. First, go to the Settings of your Android device, find the applications option, and tap on Apps. Oct 25, 2012 at 16:14. Aug 16, 2011 · Most of you are wrong. 10. – MR. package. this one can work on adb shell: adb shell pm clear com. getBackStackEntry() , passing it a destination ID. setAction(ACTION_MANAGE_STORAGE); startActivity(storageIntent); this is just open only download folder to free some space. Oct 29, 2012 · Hi Everyone, I want to clear my application cache memory when it set to exit. name_tips. It erases all dynamic data associated with the app -- its private data and data in its private area on external storage -- but does not remove the installed application itself, nor any OBB files. I am building an app and the feature to automatically backup the data is set as below: android:allowBackup="true". and here is the code Apr 28, 2015 · I'm doing an Android application which needs to list out all installed applications with cache size & app user data size. May 23, 2024 · To help you migrate your app to support scoped storage, follow the best practices for common storage use cases that are outlined in this guide. . Jan 3, 2024 · The NavController holds a "back stack" that contains the destinations the user has visited. Based on that database my client operations are going on. 4, the app prompts the user to fill in the data, which is normal. In the above code, we have taken a text view. This app gets only installed on dedicated Android 5. Feb 3, 2014 · After that the button "Clear Data" in "Manage applications" became inactive and "Data" = 0. Hi there ‘Clear app data’ can be done but the solution requires many complicated steps have to Jan 21, 2019 · It is just an optimization. Now cache is cleared every time, a user closes the app, it works for me since I don't want to keep cache from webview, for others who want to clear this on updates only, implementing this with onReceive should work. Everything in your application is stored here /data/data/com. If your data are stored at your app's folder or public folder, you can use react-native-fs to delete them. getInstance (). File androidDataFolder = new File((String) storageVolumePath + "/Android/data/"); Mar 14, 2019 · Add a permission in manifest file <uses-permission android:name="android. xml while for another app i could have: app. So I don't want it (Database) to get effected. Is there a way to programmatically or in some preferences specify, for an app to clear app data? May 14, 2014 · I am an android developer doing an update to my users of an Android app and my desire is to clear the app storage for the app on all users devices as the data packaged with the app has expired. Mar 24, 2014 · Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand Jun 23, 2021 · 2. After the specified time is over I want to delete my app data and reload my WebView to delete any stored cache or other files stored from the previous Jan 25, 2017 · Jackie Man. i want to implement this method when clicked on LOGOUT button in my application. This requests that Android clear enough cache files so that there is 8GB free. Any app that relies on something being in the cache is broken. This may be renamed to something like Applications or Application Manager in OEM skinned versions of Android 6. interface MyDao {. and it gets solved if I clear my app data using device settings. My logout method calls the clearCache () method. It seems to cache and store alot of data in my application. 0. Edit: Of course, your device's adb must be set up to have Feb 18, 2013 · File file = new File("C:\\A\\B"); String[] myFiles; myFiles = file. May 21, 2009 · A 3rd party app cannot install or uninstall any other packages programmatically, that would be a security risk for Android. It worked for me. I have a WebView and it is reloading my URL after a specified time period. Thanks in advance. Jan 5, 2011 · 7. Step 1: Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project. SecurityException: PID 9237 does not have permission android. getPackageArchiveInfo(apkUri. Jun 12, 2017 · I have an Android browser and I have the option to clear cache, storage, cookies, etc. Search for "Disable Permission Monitoring" and Enable it. Make sure you are using context. removeAllCookie () was deprecated in Android SDK 21 (Lollipop), and was replaced by CookieManager. Oct 16, 2015 · While developing an Android app targeting all versions above 4. Cache could also be cleared for security reasons as the OP suggested. edited Nov 25, 2017 at 19:54. I'm creating an application in which I have used shared preferences, for testing purpose I have to swipe out that data (preferences) so, how could I clear shared preferences in Android programmatically? Sep 23, 2010 · startActivity(i); I need to make sure that before sending the intent the browser cache and history are cleared so that the page get loaded from server directly and not from phone. path; new Directory(appDir). If you want to close existing activity stack regardless of what's in there and create new root, correct set of flags is the following: intent. Dec 6, 2019 · It is a privacy concern. I believe you need to post the image caching code of yours to detect specific problem further. Aug 13, 2022 · It depends on where you store the data. ((ActivityManager)context. To give users more control over their files and to limit file clutter, apps that target Android 10 (API level 29) and higher are given scoped access into Dec 20, 2019 · This is equivalent to the user choosing to clear the app's data from within the device settings UI. So you can get the permission to clear cache of all application. May 3, 2017 · Android : How to Clear Application data and cache programmatically Have you tried using resetApp() from appium, as I know it will clear the app data MobileDriver driver = MobileDriverFactory. I can't ask the user of the app to delete the backup itself or disable the data sync. So far I've found the 2 following but I'm not sure they are used correctly : Browser. I am Running server (android) in a device. Now I want to clear the data (both cache & User data) of all installed applications. i want to delete that xml which sharedpref will create in it. int requestCode = 999; Dec 5, 2016 · I am programming an Android-application with cordova. Jan 12, 2017 · What kind of cache do you want to clean? some application level cache? If so - create the react-native native module and implement functionality you need. How to Clear App Cache and Data. If you want just to clear DB or some files stored by app that you know of, you can do it manually, and then restart app, but if you want to completely erase all user data you need to shut app, and maybe before Aug 31, 2017 · Try this way to clear cache and Application data (Tried and Worked perfectly on Lollipop):- (1) Add below ClearApplicationData class with change your AcivityName in progressDialog and your sharedPreference name to clear with editor:- I developed one android app which is having sets of activities and one background service running. ACTION_DELETE, Uri. If one clears its app data, the app works fine. Feb 8, 2017 · It is because AOT does not have tns_modules folder there by idea. Android : which call back do we get when we click CLEAR DATA of any application ? Steps : settings > applications > my_app > clear data ! What do you mean by callback? if you are thinking to override clear data functionality in your app then its not possible. Among others I have the functionality to clear all the apps data. It's the best one for image cache clear. Oct 10, 2023 · Use deleteRecords, and supply it with two lists of Strings, one for the Record IDs and one for the Client IDs. CLEAR_APP_USER_DATA"></uses-permission> Oct 10, 2015 · ClearDataApplication extends Application so that means it's intended to be your representation of the Application for the lifetime of the running process. Is there a way to programmatically ask for? Nov 7, 2013 · EDIT2:- the following piece of code clears app data. I wrote the method: private void deleteData() {. But there is a problem that it cant clear other app's data because every android app runs in a Sandbox, which shields their data from being accessed from outside its scope. Then from adb shell I deleted the contents, and the app's cache was reset. answered Aug 14, 2022 at 8:25. public void clearApplicationData(String packageName) {. In practice, you just cannot write an app to remove the application data of another apps as each app can only work in a sandbox manner and your app will not have any access to other apps' data. I'm building an application that I need to clear cache and localstorage data after logout. getRuntime(). I found this from other answer. edit (); the code which is written in logout button is not working i. So you can have only one of those - clear app data, or restart app. however, there is a workaround for this: Every time you start an Activity, start it using startActivityForResult (). Clear app data programatically doesnt work. When I see the app info after using this code, its show 30kb in data. Dec 20, 2023 · each package has special places allocated for its data which is usually protected from tamper by other applications without necessary manifest permissions. adb shell 'pm list packages' Jun 22, 2012 · It also builds on 'How can I clear the Android app cache?' and 'How to programatically clear application data?'. 4 Use the below shown code and Jul 12, 2021 · 0. Mar 2, 2018 · 0. You open it again, it does the same thing. If you set this number high enough you should achieve what you want (that Android will delete all of the files in the cache). length; i++) { File myFile = new File(file, myFiles[i]); myFile Jun 15, 2016 · To clear each apps data and cached data. Reference. – David Wasser. setFlags(Intent. I try use this code: Sep 19, 2014 · In logout I have made the shared preference data (userId and password) as null. I already using following code but its not look work for me @Override protected void onDestroy() { // TODO Auto- Mar 27, 2019 · After calling . Jun 13, 2015 · For example an app may create these files under shared_prefs: appname. Dec 12, 2018 · How to delete shared preferences data from App in Android (29 answers) Closed 5 years ago . CLEAR_APP_CACHE". clearFormData Apr 1, 2014 · I am using the below code for clear data in android application, but its not clearing all the data. It erases all dynamic data associated with the app -- its private data and data You will need to have this in your manifest: <uses-permission android:name="android. Constant Value: "android. Otherwise, clear the directory which you are setting in your DiskLruCache path. delete(recursive: true); answered Jun 23, 2021 at 16:54. permission. Uninstall APK using Intent: Intent intent = new Intent(Intent. I know we can clear data in the mobile device through: Settings->Applications-> ManageApplications-> My_application->Clear Data. Step 2 − Add the following code to res/layout/activity_main. There's this API. getPath(), 0). However a 3rd party app can ask the Android OS to install or uninstall a package using intents, this question should provide more complete information: install / uninstall APKs programmatically (PackageManager vs Intents) Apr 21, 2017 · In android, clear everything using the pm command, that will kill our app and all background process with all asynstorage data. According to what you described, you only need to delete the database manually and recreate a new one instead of resetting the whole app data which doesn't answer your request efficiently. But I don't think there is any method in the SDK to use this permission. String packageName = getApplicationContext(). In being a stack, the back stack is a "last in, first out" data structure. @Query("DELETE FROM table_name") suspend fun deleteAll() } Furthermore, if you are using MVVM architecture, you need to create Repository and ViewModel. Jul 15, 2015 · In Android, is there a way to clear all the app data at the same time without using the factory reset? Jun 11, 2018 · Quick Links. Nov 23, 2016 · 1. example. when i run this programmatically: Process exec = Runtime. You open an app, it immediately force closes. Try clearing the browser cookies. After uninstalling and installing again in OS version 4. Please, help – Jan 3, 2024 · Starting with Navigation 2. Runtime. Added in API level 11. you could do this from ADB, but i highly doubt you can do this without using PackageManager especially just by trying to run a script from system shell. it is not a kotlin issue, but a safeguard put in place by android. clear() only deletes it's content. Since: API Level 1 in android Allows an application to clear the caches of all installed applications on the device. how to clear app data programmatically. Consider a below code snippet: var appDir = (await getTemporaryDirectory()). Kalpesh Khandla. CLEAR_APP_USER_DATA" <uses-permission android:name="android. Very important Step : Step 3. Just have in mind that this may block your application if not correctly designed. Open the Settings menu either through your notification shade (drop-down) or through the Settings app in your app drawer. Now that would be a security flaw. Dec 18, 2014 · This data has been manually clear on Settings -- > Apps (or) Application Manager --> Select the app you want to clear the data. Tap the Storage & cache button. intent: ^1. Jun 15, 2015 · When I use RecyclerView and/or Picasso. lang. Furthermore the following is in the documentation: public static final String CLEAR_APP_CACHE. In the Apps section of device settings, find the application that you wish to uninstall from your phone. Error: java. e. I need to delete this data. 3. Feb 24, 2015 · Feb 24, 2015 at 11:59. Android Market installs / uninstalls packages. jh nh wv ys ul ta zq jh nj pq