Update:

* adds deprecated paths as legacy paths
* adjusts mediastoreage API to fallback to the correct legacy paths for Andorid < 10

Author: Ron Radtke

android/src/main/java/com/ReactNativeBlobUtil/ReactNativeBlobUtil.java

@@ -28,6 +28,7 @@
 import com.facebook.react.modules.network.OkHttpClientProvider;
 
 import java.io.File;
+import java.util.HashMap;
 import java.util.Map;
 import java.util.concurrent.LinkedBlockingQueue;
 import java.util.concurrent.ThreadPoolExecutor;
@@ -88,7 +89,11 @@ public String getName() {
 
     @Override
     public Map<String, Object> getConstants() {
-        return ReactNativeBlobUtilFS.getSystemfolders(this.getReactApplicationContext());
+        Map<String, Object> res = new HashMap<>();
+        res.putAll(ReactNativeBlobUtilFS.getSystemfolders(this.getReactApplicationContext()));
+        res.putAll(ReactNativeBlobUtilFS.getLegacySystemfolders(this.getReactApplicationContext()));
+
+        return res;
     }
 
     @ReactMethod
@@ -440,7 +445,7 @@ public void createMediaFile(ReadableMap filedata, String mt, Promise promise) {
     @ReactMethod
     public void writeToMediaFile(String fileUri, String path, boolean transformFile, Promise promise) {
         boolean res = ReactNativeBlobUtilMediaCollection.writeToMediaFile(Uri.parse(fileUri), path, transformFile, promise);
-        if(res) promise.resolve("Success");
+        if (res) promise.resolve("Success");
     }
 
     @RequiresApi(api = Build.VERSION_CODES.Q)
@@ -479,7 +484,7 @@ public void copyToMediaStore(ReadableMap filedata, String mt, String path, Promi
         }
 
         boolean res = ReactNativeBlobUtilMediaCollection.writeToMediaFile(fileuri, path, false, promise);
-        if(res) promise.resolve(fileuri.toString());
+        if (res) promise.resolve(fileuri.toString());
     }
 
 }

android/src/main/java/com/ReactNativeBlobUtil/ReactNativeBlobUtilFS.java

@@ -9,6 +9,8 @@
 import android.os.StatFs;
 import android.util.Base64;
 
+import androidx.annotation.NonNull;
+
 import com.facebook.react.bridge.Arguments;
 import com.facebook.react.bridge.Callback;
 import com.facebook.react.bridge.Promise;
@@ -359,6 +361,34 @@ static Map<String, Object> getSystemfolders(ReactApplicationContext ctx) {
         return res;
     }
 
+    /**
+     * Static method that returns legacy system folders to JS context (usage of deprecated functions since these retunr different folders)
+     *
+     * @param ctx React Native application context
+     */
+
+    @NonNull
+    @SuppressWarnings("deprecation")
+    static Map<String, Object> getLegacySystemfolders(ReactApplicationContext ctx) {
+        Map<String, Object> res = new HashMap<>();
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) return ReactNativeBlobUtilFS.getSystemfolders(ctx);
+
+        res.put("LegacyDCIMDir", Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM).getAbsolutePath());
+        res.put("LegacyPictureDir", Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES).getAbsolutePath());
+        res.put("LegacyMusicDir", Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_MUSIC).getAbsolutePath());
+        res.put("LegacyDownloadDir", Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS).getAbsolutePath());
+        res.put("LegacyMovieDir", Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_MOVIES).getAbsolutePath());
+        res.put("LegacyRingtoneDir", Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_RINGTONES).getAbsolutePath());
+
+        String state = Environment.getExternalStorageState();
+        if (state.equals(Environment.MEDIA_MOUNTED)) {
+            res.put("LegacySDCardDir", Environment.getExternalStorageDirectory().getAbsolutePath());
+        }
+
+        return res;
+    }
+
     static String getExternalFilesDirPath(ReactApplicationContext ctx, String type) {
         File dir = ctx.getExternalFilesDir(type);
         if (dir != null) return dir.getAbsolutePath();
@@ -809,7 +839,7 @@ static void hash(String path, String algorithm, Promise promise) {
                 promise.reject("EINVAL", "Invalid algorithm '" + algorithm + "', must be one of md5, sha1, sha224, sha256, sha384, sha512");
                 return;
             }
-            
+
             path = ReactNativeBlobUtilUtils.normalizePath(path);
 
             File file = new File(path);

android/src/main/java/com/ReactNativeBlobUtil/ReactNativeBlobUtilMediaCollection.java

@@ -69,11 +69,11 @@ private static String getRelativePath(MediaType mt, ReactApplicationContext ctx)
             if (mt == MediaType.Download) return Environment.DIRECTORY_DOWNLOADS;
             return Environment.DIRECTORY_DOWNLOADS;
         } else {
-            if (mt == MediaType.Audio) return ReactNativeBlobUtilFS.getExternalFilesDirPath(ctx, Environment.DIRECTORY_MUSIC);
-            if (mt == MediaType.Video) return ReactNativeBlobUtilFS.getExternalFilesDirPath(ctx, Environment.DIRECTORY_MOVIES);
-            if (mt == MediaType.Image) return ReactNativeBlobUtilFS.getExternalFilesDirPath(ctx, Environment.DIRECTORY_PICTURES);
-            if (mt == MediaType.Download) return ReactNativeBlobUtilFS.getExternalFilesDirPath(ctx, Environment.DIRECTORY_DOWNLOADS);
-            return ReactNativeBlobUtilFS.getExternalFilesDirPath(ctx, Environment.DIRECTORY_DOWNLOADS);
+            if (mt == MediaType.Audio) return ReactNativeBlobUtilFS.getLegacySystemfolders(ctx).get("LegacyMusicDir").toString();
+            if (mt == MediaType.Video) return ReactNativeBlobUtilFS.getLegacySystemfolders(ctx).get("LegacyMovieDir").toString();
+            if (mt == MediaType.Image) return ReactNativeBlobUtilFS.getLegacySystemfolders(ctx).get("LegacyPictureDir").toString();
+            if (mt == MediaType.Download) return ReactNativeBlobUtilFS.getLegacySystemfolders(ctx).get("LegacyDownloadDir").toString();
+            return ReactNativeBlobUtilFS.getLegacySystemfolders(ctx).get("LegacyDownloadDir").toString();
         }
     }
 

fs.js

@@ -24,7 +24,15 @@ const dirs = {
     SDCardApplicationDir: ReactNativeBlobUtil.SDCardApplicationDir, // Deprecated
     MainBundleDir: ReactNativeBlobUtil.MainBundleDir,
     LibraryDir: ReactNativeBlobUtil.LibraryDir,
-  ApplicationSupportDir: ReactNativeBlobUtil.ApplicationSupportDir
+    ApplicationSupportDir: ReactNativeBlobUtil.ApplicationSupportDir,
+
+    LegacyPictureDir: ReactNativeBlobUtil.LegacyPictureDir,
+    LegacyMusicDir: ReactNativeBlobUtil.LegacyMusicDir,
+    LegacyMovieDir: ReactNativeBlobUtil.LegacyMovieDir,
+    LegacyDownloadDir: ReactNativeBlobUtil.LegacyDownloadDir,
+    LegacyDCIMDir: ReactNativeBlobUtil.LegacyDCIMDir,
+    LegacySDCardDir: ReactNativeBlobUtil.LegacySDCardDir, // Depracated
+
 };
 
 function addCode(code: string, error: Error): Error {