Convert file Uri to File in Android

Question

What s the easiest way to convert from a file  android net Uri to a File in Android   Tried the following but it doesn t work    final File file   new File Environment getExternalStorageDirectory     read me     Uri uri   Uri fromFile file    File auxFile   new File uri toString      assertEquals file getAbsolutePath    auxFile getAbsolutePath

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EDIT  Sorry  I should have tested better before  This should work   new File new URI androidURI toString        URI is java net URI

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None of this works for me  I found this to be the working solution  But my case is specific to images   String   filePathColumn     MediaStore Images Media DATA    Cursor cursor   getActivity   getContentResolver   query uri  filePathColumn  null  null  null   cursor moveToFirst    int columnIndex   cursor getColumnIndex filePathColumn 0    String filePath   cursor getString columnIndex   cursor close

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public String getRealPathFromURI Uri uri         String result      Cursor cursor   getContentResolver   query uri  null  null  null  null       if  cursor    null            result   uri getPath            cursor close            return result            cursor moveToFirst        int idx   cursor getColumnIndex MediaStore Images ImageColumns DATA       result   cursor getString idx       cursor close        return result      Then using to get file from URI             File finalFile   newFile getRealPathFromURI uri      --HOPE CAN HELP YOU----

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Get the input stream using content resolver InputStream inputStream   getContentResolver   openInputStream uri    Then copy the input stream into a file FileUtils copyInputStreamToFile inputStream  file    Sample utility method  private File toFile Uri uri  throws IOException           String displayName    quot  quot           Cursor cursor   getContentResolver   query uri  null  null  null  null            if cursor    null  amp  amp  cursor moveToFirst                 try                   displayName   cursor getString cursor getColumnIndex OpenableColumns DISPLAY NAME                 finally                   cursor close                                     File file    File createTempFile                  FilenameUtils getBaseName displayName                    quot   quot  FilenameUtils getExtension displayName                     InputStream inputStream   getContentResolver   openInputStream uri           FileUtils copyInputStreamToFile inputStream  file           return file

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For folks that are here looking for a solution for images in particular here it is   private Bitmap getBitmapFromUri Uri contentUri            String path   null          String   projection     MediaStore Images Media DATA            Cursor cursor   getContentResolver   query contentUri  projection  null  null  null           if  cursor moveToFirst                  int columnIndex   cursor getColumnIndexOrThrow MediaStore Images Media DATA               path   cursor getString columnIndex                     cursor close            Bitmap bitmap   BitmapFactory decodeFile path           return bitmap

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CommonsWare explained all things quite well  And we really should use the solution he proposed    By the way  only information we could rely on when querying ContentResolver is a file s name and size as mentioned here  Retrieving File Information   Android developers  As you could see there is an interface OpenableColumns that contains only two fields  DISPLAY NAME and SIZE   In my case I was need to retrieve EXIF information about a JPEG image and rotate it if needed before sending to a server  To do that I copied a file content into a temporary file using ContentResolver and openInputStream

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File imageToUpload    new File new URI androidURI toString      works if this is a file u have created in the external storage   For example file    storage emulated 0  some directory and file name

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I made this like the following way   try       readImageInformation new File contentUri getPath         catch  IOException e        readImageInformation new File getRealPathFromURI context                  contentUri        public static String getRealPathFromURI Context context  Uri contentUri            String   proj     MediaStore Images Media DATA            Cursor cursor   context getContentResolver   query contentUri  proj                  null  null  null           int column index   cursor                  getColumnIndexOrThrow MediaStore Images Media DATA           cursor moveToFirst            return cursor getString column index       So basically first I try to use a file i e  picture taken by camera and saved on SD card  This don t work for image returned by  Intent photoPickerIntent   new Intent Intent ACTION PICK   That case there is a need to convert Uri to real path by getRealPathFromURI   function  So the conclusion is that it depends on what type of Uri you want to convert to File

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By the following code  I am able to get adobe application shared pdf file as a stream and saving into android application path  Android Net Uri fileuri        Android Net Uri Intent GetParcelableExtra Intent ExtraStream        fileuri i am getting as  content   com adobe reader fileprovider root external                                          data data com adobe reader files Downloads sample pdf       string filePath   fileuri Path      filePath I am gettings as root external data data com adobe reader files Download sample pdf        using  var stream   ContentResolver OpenInputStream fileuri                  byte   fileByteArray   ToByteArray stream     only once you can read bytes from stream second time onwards it has zero bytes         string fileDestinationPath    lt path of your destination gt           convertByteArrayToPDF fileByteArray  fileDestinationPath    here pdf copied to your destination path               public static byte   ToByteArray Stream stream                        var bytes   new List lt byte gt                  int b              while   b   stream ReadByte       -1                  bytes Add  byte b                return bytes ToArray                     public static string convertByteArrayToPDF byte   pdfByteArray  string filePath                         try                               Java IO File data   new Java IO File filePath                   Java IO OutputStream outPut   new Java IO FileOutputStream data                   outPut Write pdfByteArray                   return data AbsolutePath                             catch  System Exception ex                                return string Empty

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Android   Kotlin  Add dependency for Kotlin Android extensions  implementation  androidx core core-ktx  latestVersion    Get file from uri  uri toFile     Android   Java Just move to top

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Best Solution Create one simple FileUtil class  amp  use to create  copy and rename the file I used uri toString   and uri getPath   but not work for me  I finally found this solution  import android content Context  import android database Cursor  import android net Uri  import android provider OpenableColumns  import android util Log   import java io File  import java io FileNotFoundException  import java io FileOutputStream  import java io IOException  import java io InputStream  import java io OutputStream   public class FileUtil       private static final int EOF   -1      private static final int DEFAULT BUFFER SIZE   1024   4       private FileUtil                 public static File from Context context  Uri uri  throws IOException           InputStream inputStream   context getContentResolver   openInputStream uri           String fileName   getFileName context  uri           String   splitName   splitFileName fileName           File tempFile   File createTempFile splitName 0   splitName 1            tempFile   rename tempFile  fileName           tempFile deleteOnExit            FileOutputStream out   null          try               out   new FileOutputStream tempFile             catch  FileNotFoundException e                e printStackTrace                      if  inputStream    null                copy inputStream  out               inputStream close                       if  out    null                out close                      return tempFile             private static String   splitFileName String fileName            String name   fileName          String extension    quot  quot           int i   fileName lastIndexOf  quot   quot            if  i    -1                name   fileName substring 0  i               extension   fileName substring i                      return new String   name  extension              private static String getFileName Context context  Uri uri            String result   null          if  uri getScheme   equals  quot content quot                  Cursor cursor   context getContentResolver   query uri  null  null  null  null               try                   if  cursor    null  amp  amp  cursor moveToFirst                          result   cursor getString cursor getColumnIndex OpenableColumns DISPLAY NAME                                    catch  Exception e                    e printStackTrace                  finally                   if  cursor    null                        cursor close                                                      if  result    null                result   uri getPath                int cut   result lastIndexOf File separator               if  cut    -1                    result   result substring cut   1                                   return result             private static File rename File file  String newName            File newFile   new File file getParent    newName           if   newFile equals file                 if  newFile exists    amp  amp  newFile delete                      Log d  quot FileUtil quot    quot Delete old  quot    newName    quot  file quot                              if  file renameTo newFile                     Log d  quot FileUtil quot    quot Rename file to  quot    newName                                   return newFile             private static long copy InputStream input  OutputStream output  throws IOException           long count   0          int n          byte   buffer   new byte DEFAULT BUFFER SIZE           while  EOF     n   input read buffer                  output write buffer  0  n               count    n                    return count           Use FileUtil class in your code try            File file   FileUtil from MainActivity this fileUri            Log d  quot file quot    quot File        uti -  quot  file  getPath    quot  file - quot    file    quot     quot    file  exists          catch  IOException e              e printStackTrace

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Add in onActivityResult  getting docx  or pdf file  var imageUriPath      imageUriPath     if  Build VERSION SDK INT  gt   Build VERSION CODES O        val split    imageUri path         split        split the path      split 1      else       imageUri path            val file   File imageUriPath

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Extension base on  Jacek Kwiecien answer for convert image uri to file  fun Uri toImageFile context  Context   File        val filePathColumn   arrayOf MediaStore Images Media DATA      val cursor   context contentResolver query this  filePathColumn  null  null  null      if  cursor    null            if  cursor moveToFirst                  val columnIndex   cursor getColumnIndex filePathColumn 0               val filePath   cursor getString columnIndex              cursor close               return File filePath                    cursor close             return null     If we use File uri getPath     it will not work    If we use extension from android-ktx  it still not work too because  https   github com android android-ktx blob master src main java androidx core net Uri kt

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After searching for a long time this is what worked for me   File file   new File getPath uri      public String getPath Uri uri                 String   projection     MediaStore Images Media DATA            Cursor cursor   getContentResolver   query uri  projection  null  null  null           if  cursor    null  return null          int column index               cursor getColumnIndexOrThrow MediaStore Images Media DATA           cursor moveToFirst            String s cursor getString column index           cursor close            return s

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use      InputStream inputStream   getContentResolver   openInputStream uri         directly and copy the file  Also see    https   developer android com guide topics providers document-provider html

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What you want is    new File uri getPath          and not    new File uri toString      Note  uri toString   returns a String in the format   quot file    mnt sdcard myPicture jpg quot   whereas uri getPath   returns a String in the format   quot  mnt sdcard myPicture jpg quot

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With Kotlin it is even easier  val file   File uri path   Or if you are using Kotlin extensions for Android  val file   uri toFile

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For this case  especially on Android  the way going for bytes is usually faster   With this  I solved it by setting up a class FileHelper which is given the responsibility to deal with reading writing bytes from to file through stream and a class UriHelper which is given the responsibility to figure out path of Uri and permission   As far as it s knew generally  string getBytes  charset    null    DEFAULT CHARSET charset  can help us to transfer string you want to bytes you need   How to let UriHelper and FileHelper you to copy a picture noted by Uri into a file  you can run    FileHelper getInstance   copy UriHelper getInstance   toFile uri of a picture                            FileHelper getInstance   createExternalFile null  UriHelper getInstance   generateFileNameBasedOnTimeStamp                                     UriHelper getInstance   getFileName uri of a picture  context   context                       about my UriHelper   public class UriHelper   private static UriHelper INSTANCE   new UriHelper     public static UriHelper getInstance         return INSTANCE      SuppressLint  SimpleDateFormat   public String generateFileNameBasedOnTimeStamp         return new SimpleDateFormat  yyyyMMdd hhmmss   format new Date        jpeg             if uri getScheme equals  content    open it with a content resolver     if the uri Scheme equals  file    open it using normal file methods          public File toFile Uri uri        if  uri    null  return null      Logger d   gt  gt  gt  uri path     uri getPath         Logger d   gt  gt  gt  uri string     uri toString         return new File uri getPath        public DocumentFile toDocumentFile Uri uri        if  uri    null  return null      Logger d   gt  gt  gt  uri path     uri getPath         Logger d   gt  gt  gt  uri string     uri toString         return DocumentFile fromFile new File uri getPath         public Uri toUri File file        if  file    null  return null      Logger d   gt  gt  gt  file path     file getAbsolutePath         return Uri fromFile file     returns an immutable URI reference representing the file    public String getPath Uri uri  Context context        if  uri    null  return null      if  uri getScheme      null  return null      Logger d   gt  gt  gt  uri path     uri getPath         Logger d   gt  gt  gt  uri string     uri toString         String path      if  uri getScheme   equals  content                Cursor cursor   context getContentResolver   query uri  new String    MediaStore Images ImageColumns DATA   null  null  null           Cursor cursor   context getContentResolver   query uri  null  null  null  null           if  cursor    null                Logger e      cursor is null                return null                    if  cursor getCount    gt   0                Logger d      the numbers of rows     cursor getCount                              and the numbers of columns     cursor getColumnCount                 if  cursor isBeforeFirst                      while  cursor moveToNext                          StringBuilder stringBuilder   new StringBuilder                        for  int i   0  i lt cursor getColumnCount    i                              stringBuilder append      iterating cursor getString     i        cursor getColumnName i            cursor getString i                            stringBuilder append   n                                              Logger d stringBuilder toString                                     else                   cursor moveToFirst                    do                       StringBuilder stringBuilder   new StringBuilder                        for  int i   0  i lt cursor getColumnCount    i                              stringBuilder append      iterating cursor getString     i        cursor getColumnName i            cursor getString i                            stringBuilder append   n                                              Logger d stringBuilder toString                       while  cursor moveToNext                               path   uri getPath                cursor close                Logger d      content scheme     uri getScheme        and return     path               return path            else               path   uri getPath                Logger d      content scheme     uri getScheme                           but the numbers of rows in the cursor is  lt  0     cursor getCount                            and return     path               return path                  else           path   uri getPath            Logger d      not content scheme     uri getScheme        and return     path           return path           public String getFileName Uri uri  Context context        if  uri    null  return null      if  uri getScheme      null  return null      Logger d   gt  gt  gt  uri path     uri getPath         Logger d   gt  gt  gt  uri string     uri toString         String path      if  uri getScheme   equals  content                Cursor cursor   context getContentResolver   query uri  new String    MediaStore Images ImageColumns DATA   null  null  null           Cursor cursor   context getContentResolver   query uri  null  null  null  null           if  cursor    null                Logger e      cursor is null                return null                    if  cursor getCount    gt   0                Logger d      the numbers of rows     cursor getCount                          and the numbers of columns     cursor getColumnCount                 if  cursor isBeforeFirst                      while  cursor moveToNext                          StringBuilder stringBuilder   new StringBuilder                        for  int i   0  i lt cursor getColumnCount    i                              stringBuilder append      iterating cursor getString     i        cursor getColumnName i            cursor getString i                            stringBuilder append   n                                              Logger d stringBuilder toString                                     else                   cursor moveToFirst                    do                       StringBuilder stringBuilder   new StringBuilder                        for  int i   0  i lt cursor getColumnCount    i                              stringBuilder append      iterating cursor getString     i        cursor getColumnName i            cursor getString i                            stringBuilder append   n                                              Logger d stringBuilder toString                       while  cursor moveToNext                               cursor moveToFirst                path   cursor getString cursor getColumnIndex MediaStore Images ImageColumns DISPLAY NAME                cursor close                Logger d      content scheme     uri getScheme        and return     path               return path            else               path   uri getLastPathSegment                Logger d      content scheme     uri getScheme                           but the numbers of rows in the cursor is  lt  0     cursor getCount                            and return     path               return path                  else           path   uri getLastPathSegment            Logger d      not content scheme     uri getScheme        and return     path           return path               about my FileHelper   public class FileHelper   private static final String DEFAULT DIR NAME    AmoFromTaiwan   private static final int DEFAULT BUFFER SIZE   1024  private static final Charset DEFAULT CHARSET   Charset forName  UTF-8    private static final int EOF   -1  private static FileHelper INSTANCE   new FileHelper     public static FileHelper getInstance         return INSTANCE     private boolean isExternalStorageWritable Context context               String state   Environment getExternalStorageState        return Environment MEDIA MOUNTED equals state              if  Build VERSION SDK INT  gt   Build VERSION CODES M            if  context checkSelfPermission android Manifest permission WRITE EXTERNAL STORAGE     PackageManager PERMISSION GRANTED                return true            else               Logger e      checkSelfPermission   not granted                return false                  else     permission is automatically granted on sdk lt 23 upon installation         return true           private boolean isExternalStorageReadable Context context        if  Build VERSION SDK INT  gt   Build VERSION CODES M            if  context checkSelfPermission android Manifest permission READ EXTERNAL STORAGE     PackageManager PERMISSION GRANTED                return true            else               Logger e      checkSelfPermission   not granted                return false                  else     permission is automatically granted on sdk lt 23 upon installation         return true            SuppressLint  SimpleDateFormat   private String generateFileNameBasedOnTimeStamp         return new SimpleDateFormat  yyyyMMdd hhmmss   format new Date        jpeg      public File createExternalFile String dir name  String file name  Context context        String dir path      String file path      File dir       File file      if   isExternalStorageWritable context             Logger e      external storage not writable            return null            if  dir name    null            dir path   Environment getExternalStoragePublicDirectory Environment DIRECTORY PICTURES  getAbsolutePath     File separator   DEFAULT DIR NAME        else           dir path   Environment getExternalStoragePublicDirectory Environment DIRECTORY PICTURES  getAbsolutePath     File separator   dir name            Logger d      going to access an external dir     dir path       dir   new File dir path       if   dir exists              Logger d      going to mkdirs     dir path           if   dir mkdirs                  Logger e      failed to mkdirs                return null                      if  file name    null            file path   dir path   File separator   generateFileNameBasedOnTimeStamp          else           file path   dir path   File separator   file name            Logger d      going to return an external dir     file path       file   new File file path       if  file exists              Logger d      before creating to delete an external dir     file getAbsolutePath             if   file delete                  Logger e      failed to delete file                return null                      return file     public File createInternalFile String dir name  String file name  Context context        String dir path      String file path      File dir       File file      if  dir name    null            dir   new ContextWrapper context  getDir DEFAULT DIR NAME  Context MODE PRIVATE         else           dir   new ContextWrapper context  getDir dir name  Context MODE PRIVATE             dir path   dir getAbsolutePath        Logger d      going to access an internal dir     dir path       if   dir exists              Logger d      going to mkdirs     dir path           if   dir mkdirs                  Logger e      mkdirs failed                return null                      if  file name    null            file   new File dir  generateFileNameBasedOnTimeStamp           else           file   new File dir  file name             file path   file getAbsolutePath        Logger d      going to return an internal dir     file path       if  file exists              Logger d      before creating to delete an external dir     file getAbsolutePath             if   file delete                  Logger e      failed to delete file                return null                      return file     public File getExternalFile String dir name  String file name  Context context        String dir path      String file path      File file      if   isExternalStorageWritable context             Logger e      external storage not writable            return null            if  dir name    null            dir path   Environment getExternalStoragePublicDirectory Environment DIRECTORY PICTURES  getAbsolutePath     File separator   DEFAULT DIR NAME        else           dir path   Environment getExternalStoragePublicDirectory Environment DIRECTORY PICTURES  getAbsolutePath     File separator   dir name            if  file name    null            file path   dir path        else           file path   dir path   File separator   file name            Logger d      going to return an external file     file path       file   new File file path       if  file exists              Logger d      file exists     file getAbsolutePath           else           Logger e      file does t exist     file getAbsolutePath               return file     public File getInternalFile String dir name  String file name  Context context        String file path      File dir       File file      if  dir name    null            dir   new ContextWrapper context  getDir DEFAULT DIR NAME  Context MODE PRIVATE         else           dir   new ContextWrapper context  getDir dir name  Context MODE PRIVATE             if  file name    null            file   new File dir getAbsolutePath           else           file   new File dir  file name             file path   file getAbsolutePath        Logger d      going to return an internal dir     file path       if  file exists              Logger d      file exists     file getAbsolutePath           else           Logger e      file does t exist     file getAbsolutePath               return file     private byte   readBytesFromFile File file        Logger d   gt  gt  gt  path     file getAbsolutePath         FileInputStream fis      long file length      byte   buffer      int offset   0      int next   0      if   file exists              Logger e      file doesn t exists            return null            if  file length    gt  Integer MAX VALUE            Logger e      file length is out of max of int            return null        else           file length   file length              try           fis   new FileInputStream file             buffer   new byte  int  file length           buffer   new byte  int  file length             long time start   System currentTimeMillis            while  true                Logger d      now next     next     and offset     offset               if  System currentTimeMillis   - time start  gt  1000                    Logger e      left due to time out                    break                            next   fis read buffer  offset   buffer length-offset                if  next  lt  0    offset  gt   buffer length                    Logger d      completed to read                    break                            offset    next                      if  offset  lt  buffer length            if  offset  lt   int  file length                Logger e      not complete to read                return null                    fis close            return buffer        catch  IOException e            e printStackTrace            Logger e      IOException            return null           public byte   readBytesFromFile File file  boolean is fis fos only        if  file    null  return null      if  is fis fos only            return readBytesFromFile file             Logger d   gt  gt  gt  path     file getAbsolutePath         FileInputStream fis      BufferedInputStream bis      ByteArrayOutputStream bos      byte   buf   new byte  int  file length         int num read      if   file exists              Logger e      file doesn t exists            return null            try           fis   new FileInputStream file           bis   new BufferedInputStream fis           bos   new ByteArrayOutputStream            long time start   System currentTimeMillis            while  true                if  System currentTimeMillis   - time start  gt  1000                    Logger e      left due to time out                    break                            num read   bis read buf  0  buf length     1024 bytes per call             if  num read  lt  0  break              bos write buf  0  num read                     buf   bos toByteArray            fis close            bis close            bos close            return buf        catch  FileNotFoundException e            e printStackTrace            Logger e      FileNotFoundException            return null        catch  IOException e            e printStackTrace            Logger e      IOException            return null                  streams  InputStream and OutputStream  transfer binary data    if to write a string to a stream  must first convert it to bytes  or in other words encode it     public boolean writeStringToFile File file  String string  Charset charset        if  file    null  return false      if  string    null  return false      return writeBytesToFile file  string getBytes  charset    null    DEFAULT CHARSET charset       public boolean writeBytesToFile File file  byte   data        if  file    null  return false      if  data    null  return false      FileOutputStream fos      BufferedOutputStream bos      try           fos   new FileOutputStream file           bos   new BufferedOutputStream fos           bos write data  0  data length           bos flush            bos close            fos close          catch  IOException e            e printStackTrace            Logger e      IOException            return false            return true            io blocks until some input output is available      public boolean copy File source  File destination        if  source    null    destination    null  return false      Logger d   gt  gt  gt  source     source getAbsolutePath        destination     destination getAbsolutePath         try           FileInputStream fis   new FileInputStream source           FileOutputStream fos   new FileOutputStream destination           byte   buffer   new byte  int  source length             int len          while  EOF     len   fis read buffer                  fos write buffer  0  len                     if  true      debug             byte   copies   readBytesFromFile destination               if  copies    null                    int copy len   copies length                  Logger d      stream read and write done for     copy len     bytes                                    return destination length      0        catch  IOException e            e printStackTrace            return false           public void list final String path  final String end  final List lt File gt  files        Logger d   gt  gt  gt  path     path      end     end       File file   new File path       if  file isDirectory              for  File child   file listFiles                 list child getAbsolutePath    end  files                   else if  file isFile              if  end equals                    files add file             else               if  file getName   endsWith end   files add file                      public String   splitFileName File file  String split        String path      String ext      int lastIndexOfSplit   file getAbsolutePath   lastIndexOf split       if  lastIndexOfSplit  lt  0            path   file getAbsolutePath            ext             else           path   file getAbsolutePath   substring 0  lastIndexOfSplit           ext   file getAbsolutePath   substring lastIndexOfSplit             return new String    path  ext      public File rename File old file  String new name        if  old file    null    new name    null  return null      Logger d   gt  gt  gt  old file path     old file getAbsolutePath        new file name     new name       File new file   new File old file  new name       if   old file equals new file             if  new file exists        if find out previous file dir at new path name exists             if  new file delete                      Logger d      succeeded to delete previous file at new abstract path name     new file getAbsolutePath                   else                   Logger e      failed to delete previous file at new abstract path name                    return null                                  if  old file renameTo new file                 Logger d      succeeded to rename old file to new abstract path name     new file getAbsolutePath               else               Logger e      failed to rename old file to new abstract path name                    else           Logger d      new and old file have the equal abstract path name     new file getAbsolutePath               return new file     public boolean remove final String path  final String end        Logger d   gt  gt  gt  path     path      end     end       File file   new File path       boolean result   false      if  file isDirectory              for  File child   file listFiles                 result   remove child getAbsolutePath    end                   else if  file isFile              if  end equals                    result   file delete              else               if  file getName   endsWith end   result   file delete                    else           Logger e      child is not file or directory              return result      TargetApi Build VERSION CODES O  public byte   readNIOBytesFromFile String path  throws IOException       Logger d   gt  gt  gt  path     path       if   Files exists Paths get path   LinkOption NOFOLLOW LINKS             Logger e      file doesn t exists            return null        else           return Files readAllBytes Paths get path              TargetApi Build VERSION CODES O  public File writeNIOBytesToFile String dir  String name  byte   data        Logger d   gt  gt  gt  dir     dir      name     name       Path path dir      Path path file      try           if   Files exists Paths get dir   LinkOption NOFOLLOW LINKS                 Logger d      make a dir                path dir   Files createDirectories Paths get dir                if  path dir    null                    Logger e      failed to make a dir                    return null                                  path file   Files write Paths get name   data           return path file toFile          catch  IOException e            e printStackTrace            Logger e      IOException            return null            TargetApi Build VERSION CODES O  public void listNIO final String dir  final String end  final List lt File gt  files  throws IOException       Logger d   gt  gt  gt  dir     dir      end     end       Files walkFileTree Paths get dir   new FileVisitor lt Path gt               Override         public FileVisitResult preVisitDirectory Path dir  BasicFileAttributes attrs                Logger d      file     dir getFileName                 return FileVisitResult CONTINUE                      Override         public FileVisitResult visitFile Path file  BasicFileAttributes attrs                Logger d      file     file getFileName                 if  end equals                        files add file toFile                   else                   if  file endsWith end   files add file toFile                               return FileVisitResult CONTINUE                      Override         public FileVisitResult visitFileFailed Path file  IOException exc                Logger d      file     file getFileName                 if  end equals                        files add file toFile                   else                   if  file endsWith end   files add file toFile                               return FileVisitResult CONTINUE                      Override         public FileVisitResult postVisitDirectory Path dir  IOException exc                Logger d      file     dir getFileName                 return FileVisitResult CONTINUE                              recursion     private int factorial  int x        if  x  gt  1  return  x  factorial x-1         else if  x    1  return x      else return 0

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If you have a Uri that conforms to the DocumentContract then you probably don t want to use File  If you are on kotlin  use DocumentFile to do stuff you would in the old World use File for  and use ContentResolver to get streams    Everything else is pretty much guaranteed to break

[android] Convert file: Uri to File in Android

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