Fix: Restore ms[df] URI handling logic

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 10.3.8
+### Android
+- Restores the ms[df] URI handling logic in FileUtils.kt to fix file selection returning null on some devices. fixes [#1922](https://github.com/miguelpruivo/flutter_file_picker/issues/1922), fixes [#1916](https://github.com/miguelpruivo/flutter_file_picker/issues/1916)
+
 ## 10.3.7
 ### Android
 - Fixed an issue where file type filtering was not being applied correctly, now only displaying files that match the selected MIME types. [#1906](https://github.com/miguelpruivo/flutter_file_picker/pull/1906)

android/src/main/kotlin/com/mr/flutter/plugin/filepicker/FileUtils.kt

@@ -81,7 +81,7 @@ object FileUtils {
                             uri,
                             DocumentsContract.getTreeDocumentId(uri)
                         )
-                        val dirPath = getFullPathFromTreeUri(uri)
+                        val dirPath = getFullPathFromTreeUri(uri, activity)
                         if (dirPath != null) {
                             finishWithSuccess(dirPath)
                         } else {
@@ -413,7 +413,7 @@ object FileUtils {
         try {
             context.contentResolver.openInputStream(originalImageUri).use { imageStream ->
                 val compressFormat = getCompressFormat(context, originalImageUri)
-                val compressedFile = createImageFile(context, originalImageUri, compressFormat)
+                val compressedFile = createImageFile(context, compressFormat)
                 val originalBitmap = BitmapFactory.decodeStream(imageStream)
                 // Compress and save the image
                 val fileOutputStream = FileOutputStream(compressedFile)
@@ -429,7 +429,7 @@ object FileUtils {
     }
 
     @Throws(IOException::class)
-    private fun createImageFile(context: Context, uri: Uri, compressFormat: Bitmap.CompressFormat): File {
+    private fun createImageFile(context: Context, compressFormat: Bitmap.CompressFormat): File {
         val timeStamp = SimpleDateFormat("yyyyMMdd_HHmmss", Locale.getDefault()).format(Date())
         val imageFileName = "IMAGE_" + timeStamp + "_"
         val storageDir = context.cacheDir
@@ -557,7 +557,7 @@ object FileUtils {
     }
 
     @JvmStatic
-    fun getFullPathFromTreeUri(treeUri: Uri?): String? {
+    fun getFullPathFromTreeUri(treeUri: Uri?, context: Context): String? {
         if (treeUri == null) {
             return null
         }
@@ -569,6 +569,14 @@ object FileUtils {
                     Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS).path
                 if (docId == "downloads") {
                     return extPath
+                } else if (docId.matches("^ms[df]:.*".toRegex())) {
+                    // Handle "msf:" (Media Store File) and "msd:" (Media Store Directory) prefixes.
+                    // These are commonly seen on Android 10+ (API 29+) when selecting files from the
+                    // "Downloads" category in the system picker.
+                    // Note that this does not happen on all devices.
+                    // Example URI: content://com.android.providers.downloads.documents/document/msf:1000000033
+                    val fileName = getFileName(treeUri, context)
+                    return "$extPath/$fileName"
                 } else if (docId.startsWith("raw:")) {
                     return docId.split(":".toRegex()).dropLastWhile { it.isEmpty() }
                         .toTypedArray()[1]
@@ -580,13 +588,13 @@ object FileUtils {
         var volumePath = getPathFromTreeUri(treeUri)
 
         if (volumePath.endsWith(File.separator)) {
-            volumePath = volumePath.substring(0, volumePath.length - 1)
+            volumePath = volumePath.dropLast(1)
         }
 
         var documentPath = getDocumentPathFromTreeUri(treeUri)
 
         if (documentPath.endsWith(File.separator)) {
-            documentPath = documentPath.substring(0, documentPath.length - 1)
+            documentPath = documentPath.dropLast(1)
         }
         return if (documentPath.isNotEmpty()) {
             if (volumePath.endsWith(documentPath)) {

pubspec.yaml

@@ -3,7 +3,7 @@ description: A package that allows you to use a native file explorer to pick sin
 homepage: https://github.com/miguelpruivo/plugins_flutter_file_picker
 repository: https://github.com/miguelpruivo/flutter_file_picker
 issue_tracker: https://github.com/miguelpruivo/flutter_file_picker/issues
-version: 10.3.7
+version: 10.3.8
 
 dependencies:
   flutter: