Add isChild support to FileSystemProvider

Issue #24
2bllw8 · May 3, 2022 · 6c16bdc · 6c16bdc
1 parent 1c16ae0
commit 6c16bdc
Show file tree

Hide file tree

Showing 2 changed files with 6 additions and 0 deletions.
diff --git a/app/src/main/java/exe/bbllw8/anemo/documents/provider/AnemoDocumentProvider.java b/app/src/main/java/exe/bbllw8/anemo/documents/provider/AnemoDocumentProvider.java
@@ -83,6 +83,7 @@ public Cursor queryRoots(String[] projection) {
 
         int flags = Root.FLAG_LOCAL_ONLY;
         flags |= Root.FLAG_SUPPORTS_CREATE;
+        flags |= Root.FLAG_SUPPORTS_IS_CHILD;
         flags |= DocumentsContract.Root.FLAG_SUPPORTS_EJECT;
         if (Build.VERSION.SDK_INT >= 29) {
             flags |= Root.FLAG_SUPPORTS_SEARCH;

diff --git a/app/src/main/java/exe/bbllw8/anemo/documents/provider/FileSystemProvider.java b/app/src/main/java/exe/bbllw8/anemo/documents/provider/FileSystemProvider.java
@@ -385,6 +385,11 @@ public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs)
         return result;
     }
 
+    @Override
+    public boolean isChildDocument(String parentDocumentId, String documentId) {
+        return documentId.contains(parentDocumentId);
+    }
+
     /**
      * Callback indicating that the given document has been modified. This gives the provider a hook
      * to invalidate cached data, such as {@code sdcardfs}.