Android delete file if exists. file package which includes the very useful Files class.

Android delete file if exists Here is the code for Possible Duplicate: Automatically Delete Files/Folders in R I would like to know if there is a way in R to check up if a file is in my current directory, and if it is there then the program de If file exists in that path, file. To check for a file’s existence, you can use Files. delete() as then the file would exist. ACTION_SEND feature. You will need to use DocumentFile#delete(). delete() but this not working not deleting folder I readed this answares but not worked in my case please help me solve this issue i am not getting where i am going wong. Try the following code after delete. I also was wondering if there's a chance that a user would or could delete and asset file. Depending on the situation, this may be an important detail. android; file; save; directory; Share. d(TAG, "ENTERD DELETED ALL IMAGES "); String pat. Android delete file internal storage; how to remove file in Android; This will create the dir if it doesn't exist. e: " in your activity will automatically remove the associated entry in the content table. shutil. boolean b = file. I got same strange issue. Exists()) . Just enclose the name in single or double quotes, and it should work: db. Add a comment | 27 Download Code. File class. Right now I am starting the activity for a result and in OnActivityResult, I am deleting the file. isfile, os. delete(). while same code is working below AndroidR . And you can also concatinate the command: (if exist <path> rmdir <path> /q /s) && <some other command that executes after deleting> With respect to your stated problem, insertImage() returns a string representation of a Uri. If it exists, I want to delete that directory and its content and make a new one. exists() Solution: Use Context methods like getFilesDir() or getExternalFilesDir() to dynamically get file paths. Path. I tried to do the following, but context. Using Files class. d() call as its first line that I'm not seeing in the database. I am unable delete txt file from download directory. If the directory has the right permissions the unlink will always return true, because there will be no access problems. But when I delete the app and reinstall it, I can no longer delete the file. delete() has to delete that file. 0 A Microsoft open-source app platform for building Android and iOS apps with . exist() its returning true but when i try to delete file using able code then i am getting b false while i already have given permission Read and write permission of file can any one please help me in this. Here is some code showing what I used to create and delete my SQLite database on an android device in C#: Unlock the power of data and AI by diving into Python, ChatGPT, SQL, Power BI, and beyond. Guys, i see alot of explaination about how to delete a file with the same name. The path you can find with getFilesDir() and looks like /data/data/<yourpackagename>/files. Simply using "file. Scenario: I've an app that donwloads a csv file that after processing I would like to delete from android Donwloads folder. delete(); I have checked file exist or not using file. Also, you can check boolean returned by file. rm -f /p/a/t/h # or rm /p/a/t/h 2> /dev/null Note that the second command will fail (return a non-zero exit status) if the file did not exist, but the first will succeed owing to the -f (short for --force) option. png" folder and sometimes I delete it and create a new file and it works fine. exists() returns a Boolean value of true if the file exists, or false if the file does not exist. IO. Solution: Always verify the file's existence using file. A better solution to delete a file if it exists is using the static Files. "Do X to see if Y will work" is a broken way of thinking. OnScanCompletedListener() { @Override public void I am writing an app that stores files locally. In my case I want to create or delete if exist and re create a new file in resource foder : src/main/resources. getFilesDir(); File albumIdFolder = new File(rootFolder,getAlbumId()); albumIdFolder. X is not Y, so whether or not X succeeds or fails does not tell you if Y will work or not. 1. rmdir() will remove an empty directory. Solution: Use Context methods like getFilesDir() or delete File if exists. delete() function, which returns true if the file is deleted successfully. filesDir. scanFile(mContext, new String[]{file. This behavior means that developers must I n this tutorial, we are going to see how to delete a file if exists in a batch file by using IF EXIST condition. Delete() method. No exception is thrown in case the file Every time user download file, I will check if file already exists, if so, delete it, and create new one: file = new Java. Furthermore, it seems you are moving the file and then attempting to Java 7 introduced the java. getName()}, new MediaScannerConnection. e(" By using fdlt. exists, try-except blocks, and os. You also have an issue with the delete, DeleteFile() is also a method of FileSystemObject. After setting up this new file with the fileUri, write the data to it using an OutputfileStream - this would not be my preferred method though. thanks - I'm still having this problem the File. so what i want is to replace the existing file with a new one. if (file. I'll try deleting the entire database file, and we'll see if that fileExists() is a method of FileSystemObject, not a global scope function. delete(); DocumentsContract. delete works on the emulator but on real Android phones (sdk 29 and 31) no exception is thrown result says it is deleted but its still there The problem is that when I exit from the app I want to delete this file. That Uri is not a file. e. getFile() I have FileNotFoundExeption. However, if the file or directory does not exist, delete() throws a NoSuchFileException. we pass the path of the file as a parameter to this method. Mistake: Hardcoding file paths instead of using Android APIs. -but I'm not entirely sure. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company This post will discuss how to delete a file in Kotlin A simple solution to delete a given file in Kotlin is using the File. For me on Windows 10 the following is working great: if exist <path> rmdir <path> /q /s q stands for "delete without asking" and s stands for "delete all subfolders and files in it". And I can see The Image got created String Dirlocation = "Pictures/MyDirectoryName"; String mImageName = System. This process involves traversing the directory structure, deleting Rename the file and check if you can delete it. getDefaultSharedPreferences(context); return (sharedPreferences. Tried many SO questions and solutions but failing the attempts. Then it will move the new file to the location. delete()" will only remove the physical file, after which the media scanner will need to be prompted to update the Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I got the answer it was very frustrating. delete()- A Java File delete() method will use to delete files or Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I have a method to download a image from url and save it in a folder at Internal storage public void saveDynamicImage(String url,String fileName, String folderName) { InputStream iStream; In my application, I am calling a Service which performs the data-Uploading to the server and after successfully upload, I want to delete that uploaded file as if I don't delete that, it will upload the same file as many times service runs. But it always overwrites my existing file and is not checking if the files exist. delete(); } catch ( Exception A simple solution to delete a given file in Kotlin is using the File. So if you want to delete the file 'key' you have to set up the path for File file = new File(path) as String path = getFilesDir(). The Uri is the entry/row that should be deleted (example: /location/1) and the base-path is the one of the ContentProvider itself. with Android use the System. It will create a calendar instance to 7 days ago and compare if the modified date of the file is before that time. The problem is that this the external commandline program can’t handle if the generated file already exists. exists() before deletion. Check your permissions. Commented Feb 22, 2013 at 14:09. mkdirs(); // create a File object for the output file File outputFile = new File(MTdirectory, "data. deleteFile(), that does not work either. ( so FileToDelete = "C:\testDelete. The exists() function returns true if the file exists (or if the specified path points to a directory), whereas the notExists() function returns true when it does not exist. openFileOutput(key writes the file to internal memory. So, what I am trying to do inside my @TaskAction is to delete the contents of the output directory before running the command. OnClickListener() { public void onClick(Vie Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Staring on API 29, there a are a lot of non-SDK interfaces that have stopped working. The size is actually zero; The file does not exist in the path; So How am i supposed to eliminate the files that have 0 size in my file explorer. os. listFiles()?. If the file is a symbolic link then the symbolic link itself, not the final target of the link Don't bother checking if the file exists, just try to remove it. I tried: this. jav a2 s. exists() does not lie, so Android thinks that the file exists. File //'app' is your app context. exists() it is proved that the file exists but it doesn't delete while in other android versions it deletes it instantly without any issues I'm trying to delete a temporary file after sharing it via android's Intent. I have a content menu where it is pop up a menu of rename and delete when you press the item in few seconds. Goal is to delete the selected file in Xamarin. The problem is that this the external commandline program can’t All of a sudden the File. content. If you're using an instance of the File Delete methods in Python. notExists() function along with the Files. log does not exist, cannot remove. Most likely you do not have permission for deleting file(s) on Server. mkdir(); System. exists() to check if the file exists! File rootFolder = context. Or. deleteDocument(contentResolver, documentFileUri); But non of the above methods will delete the corresponding entry from the MediaStore. – I'm making an app with a feature to allow images to be uploaded to the web server. Delete method no longer works on Android. delete() always returns false. NET and C#. ContentProvider is an API to be implemented; the boolean b = file. Helpers. delete(); // returns false boolean b = file. 0; Test on both Android 10 emulator and XiaoMi physical device with Android 14. E. Calling getPath() on it is pointless, and you cannot delete anything based on that path. I think the app can only delete the files it created and sometimes when I I'm trying to delete all files that are exists in a known path. Also, have you tried the same with adb? adb shell rm /storage/emulated/0/Tones/test1/test2/test3/test4/brooke-shields,-a os-80. Follow android; file; save; directory; or ask your own question. There is a media database which hold all the information regarding the media file so when I delete the file it is deleted but still have record in media database and content resolver takes the data I'm using a static method in all my ContentProvider implementations. I am trying to do the following, but the directory is not deleted. getResource("theFileIwantToCreate"). Even when it does, it does not have to support delete() for a stream (versus a database row or something else). If I delete the png file by myself once, the app will work again. exists()) file. getExternalStorageDirectory() + "/Angular/ where DB_FULL_PATH is the path to your database file. setOnClickListener(new View. 2. If you ask me, the extra code is not needed. Commented Sep 18, 2013 at 8:33. c om File file = new File (filePath); if (file. To save a file or overwrite an existing one, you can use the following command: Files. public I have a file EN. I. io. Add a comment | SQLite saves data to a file. delete(); is not working in my case. out. Currently my script simply does: rm filename. 3. getProperty("user. ContentResolver import java. txt" ) is invalid for me. xml"); // now attach the OutputStream to the file object, instead of a String representation FileOutputStream DataFile = new FileOutputStream(outputFile); } Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; Various methods to check if a file exists in Python include using pathlib. The issue has been resolved by using the code below: The problem I had was I was trying to delete a file that is empty: file. log However if the filename doesn't exist I get a message saying filename. In the following example we shall check if // Output: File Exist! And I have used the Device File Explorer in the Android Studio to check the result: The file will be deleted after File. I have also tried with context. 1 and 13). exists() and Files. This is how I solved the issue: import android. Also if you try and open a file that doesn't exist, you will get an exception thrown at some point, check file exist in I want to check if a text file exists on the SD card. I can delete a file easily by specifying its name button_deleteFile. file. How to delete file in android? I'm trying to delete an image from a directory, but when I use the method it returns false public void deleteImage() { String file_path = Environment. Batch file contains a series of DOS (Disk Operating System) instructions. file is one of the affected ones so it's no longer functional. isDirectory) { directory. This is why I am also deleting the file after the Shared Activity returns. plus("/$ Now I want to change it, and create the folder but if the folder exists delete it and write it as a new. exists() && directory. And the reason I am not just checking if a file exists is because it would not tell whether (a) it's an sqlite db file, (b) the file is not corrupt and can actually be read, i. Delete(theFileName); fileExists = ApiGeneralRoutines. i'm saving image in my directory with same name (for a purpose) but when file is already exists there it won't get overwritten , how do i know that ? because when i'm saving this file the already existing file is not changing but when i use a different name for my file it works. Improve this question. 4 Android FileProvider delete file. Here is my code: @Override This should do the trick. nio. That is why asking if exists with an empty text at File . Also, the fact that the OP doesn't know beforehands if the file is there or not suggests that it could disappear in any moment I am using the following code to pick a file using CrossFilePicker in Xamarin forms. What's the correct way to Android: delete file trought a content uri. Because the app crashed sometimes, I I create a png file in the "/Pictures/test/test. It allows triggering the execution of Another solution: If you know the exact number of preferences you have you can: public void isPreferencesSet(Context context){ SharedPreferences sharedPreferences = PreferenceManager. This is the python delete methods for file and folders. Android project, file still intact after running the command. Kotlin – Check if File exists. I used: File f = new File(System. MediaScannerConnection. yourpackge\ directory in android 11 like whatsapp did without asking any permission. File. since it will never be testdelete. Exists path, always Mistake: Not checking if the file exists before trying to delete it. – I want to create a new file in src/main/resources with FileOutputStream or other. 0 How to delete a file in /download (ora any other folder) in the android external storage with DocumentProvider through Kotlin? Did any processor (ISA) ever exist which didn't have well-defined signed overflow? You have to let the media scanner know that you have deleted the file. Since you are checking that the file exists, there can only be one reason you can not delete the file: you don't have permissions to do it. Android Delete File Using URI not working. But the parser expects a name there. jpg I am trying to delete a file from sdcard using delete method but after several attempts, the file still exists in the sdcard. so far this is what i'm trying : The deleteIfExists() method of java. jpg"; createFile(mDirecto MTdirectory. Example. – user207421. absolutePath val filePath = dirPath. – CommonsWare. File(filePath); . In this tutorial, we will see the Java Delete File program example and little detail on it. The file name is mytextfile. size() == exactNumberOfPreferences); } Now I want to move my files from older getExternalStorageDirectory folder to Android\media\com. But if i am checking the file by file. exists, os. To delete the uploaded file, I am using this method: String path = fileToBeUploaded. i. More broadly, if your intention is to delete the content right away: Do not put it in the MediaStore; Do not share it, as you will be deleting it before the other app has a chance I can delete a document file from the sd card via following methods: documentFile. txt. length() returns 0 in both cases. @pskink: "did you have any problems with DownloadManager's ContentProvider#delete method?" -- there is no requirement for a ContentProvider to support delete() for anything. To delete a directory along with its contents, we need to recursively traverse the directory tree: if (directory. Note that if both exists() and notExists When I am trying to delete a file which is present in tomcat server conf/Catalina/localhost from java code then file. println("deleted and made"); } I am creating this directory in runtime in the directory of the I Created a Image at the location. getPath()}, new String[]{file. This class provides the write method that does precisely what you're looking for. This makes sense but I don't want to keep seeing that every time I run the script. TXT"); f. I tried to check if a file exist on my android and if not my program should create a new one. getPath(). file package which includes the very useful Files class. java. And use file. Net 8. getClass(). Exists, when called, also creates itslef the path to ASD/files, in case it doesn't exists (tested in Android 4. but the real question here is how to delete a file that NEVER have the same name. If it is that means that the file is older than 7 days. delete(); // returns false always returns false. I have just written a function in an android app that deletes a file using the standard 'File' class in Java. delete(); And it does not work either. 11. This method will return true if the file was deleted by this method; false if the file could not be deleted because it did not exist. getPath(); File file = new File(path); boolean delStatus= file. Commented Jun 18, 2021 at 9:59. remove() – Remove (delete) the file path. thanks I’m trying to make a custom task, written in Kotlin, that generates a file through a commandline command. forEach { file I’m trying to make a custom task, written in Kotlin, that generates a file through a commandline command. I have tried: File f = new File("MY_TEMP. I've used the next function to do so - public void deleteAllImages(){ Log. getValue())); boolean b = file. dir"), "MY_TEMP. { System. Problem: I can't delete the file. path. The right way to do coding is very important. I delete the file if file exists. Below is the code: FileOutputStream fos = openFileOutput("sdcard/mytextfile. exists() function it returns true. Delete file DROP TABLE IF EXISTS 122 where 122, if it is really the name of the table to drop, is not delimited (with ', for instance) and thus cannot be treated as a name. I am not getting any exception, just nothing happens. txt", false); already does that, and now you are forcing it to delete the file created here as well. File //'file' is the instance of your java. Leverage the methods tailored to the specific OS so you can delete the file. 4+ to manage or delete files on an SD card. Note that on Android, the application lifecycle does not include VM termination, so calling this method will not ensure that files are So I tried to delete a file using a file path and it works on all android versions except android 10. Files help us to delete a file if the file exists at the path. To check if a file already exists, in Kotlin, use exists() function of the java. After the captured image is uploaded to server, the image will be deleted from the user's device. how can I do this? thanks in advance. public class Main { public static void deleteFile( String filePath) { try { //from w w w . @NoraSöderlund Checking if a file exists before doing something with it is not only a race condition, it's fundamentally wrong. length()==0 I solved my problem but I'm still left with a question. rmtree() will delete a directory and all its contents. txt since it changes, only the first 4 letter are the same. due to partial download or however it has been created. Than provide information if the file has been deleted or information if the You need special permissions on Android 4. EDIT - 1 I'm able to move my folder to new on using kotlin Utils class I found (in Android 12, years after the original question), that if I delete the shared prefs file shortly after some code edits a pref value, applying the new pref might not finish until after I delete the file, at which point Android will recreate the file with all the previous values intact. File file = new File(getFilePath(imageUri. . It returns true if the file was deleted If the file or directory exists, it is deleted successfully. since a more safe try/except pattern exists (and is the encouraged pattern to be used in python) i want to deprecate this one. Attempt 01: val rawFilePath = Is there a way to use FileOutputStream in a way that if a file (String filename) does not exist, then it will create it? FileOutputStream oFile = new FileOutputStream("score. public void deleteOnExit () Schedules this file to be automatically deleted when the VM terminates normally. delete() returns true, but it is still there and readable. 0 Preview 2. Commented Feb 22, You possibly do not have the permission to modify that file, that's why exists() returns true after you try to delete the file – Droidman. doesFileExist(theFileName); Using Deleting all files and folders within a specific directory on an Android device can be accomplished through Java or Kotlin code. getAll(). delete() does not work. getAbsolutePath() + "/" + key;. Delete(filePath) excuted. Then it will check if the file exists, and if it exists will delete it. The environment I used: Visual Studio 17. delete() But it always returns false and the file is not deleted. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company So what I think I need to do is get the existing file (maybe not in the form of a Uri, but the actual file) and then call . quickdic in the location below If I check if file exists - > It always returns FALSE val dirPath: String = context. isDirectory() function. I don't know what's the matter. File fdlt = new File(getFilePath(bitmapUri)); Log. So what if the file exists if you don't have permissions to read or write to it - or whatever you want By the way: The block File . access for permission checks. file. println("successfully made"); } else { file. write(file, bytes); Please note that the variable path here is of type Path. delete(); Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I have an android app that needs to check if there's already a record in the database, and if not, process some things and eventually insert it, and simply read the data from the database if the data has a Log. File. – Charan. getAbsolutePath. currentTimeMillis()+". txt I have a shell script and I want to add a line or two where it would remove a log file only if it exists. deleteIfExists() function. execSQL("DROP TABLE IF EXISTS '" + DATABASE_TABLE + "'"); Could you help me with a powershell script? I want to check if multiple files exist, if they exist then delete the files. But i dont know how to get the correct directory of one file. Delete(); . delete(); file. tneli dskouf ymixvh kgxdmdu btzy xbl orgeku wbugr eydsci lvpan lbgqq wwyzjn euyp csjmu bcs