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Code Issues Packages Projects Releases Wiki Activity

Fix change notifications in Android DocumentsProvider

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This commit is contained in:
Luke Street
2026-05-09 21:42:32 -06:00
parent 0c23bd4332
commit daff157027
1 changed files with 40 additions and 0 deletions
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platforms/android/app/src/main/java/com/twilitrealm/dusk/DuskDocumentsProvider.java
+40
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@@ -1,10 +1,14 @@
package dev.twilitrealm.dusk;
import android.content.ContentResolver;
import android.content.res.AssetFileDescriptor;
import android.database.Cursor;
import android.database.MatrixCursor;
import android.net.Uri;
import android.os.Bundle;
import android.os.CancellationSignal;
import android.os.ParcelFileDescriptor;
import android.provider.DocumentsContract;
import android.provider.DocumentsContract.Document;
import android.provider.DocumentsContract.Root;
import android.provider.DocumentsProvider;
@@ -76,10 +80,24 @@ public class DuskDocumentsProvider extends DocumentsProvider {
@Override
public Cursor queryChildDocuments(String parentDocumentId, String[] projection, String sortOrder)
throws FileNotFoundException
{
return queryChildDocumentsInternal(parentDocumentId, projection);
}
@Override
public Cursor queryChildDocuments(String parentDocumentId, String[] projection, Bundle queryArgs)
throws FileNotFoundException
{
return queryChildDocumentsInternal(parentDocumentId, projection);
}
private Cursor queryChildDocumentsInternal(String parentDocumentId, String[] projection)
throws FileNotFoundException
{
final MatrixCursor result = new MatrixCursor(resolveDocumentProjection(projection));
final File parent = getFileForDocumentId(parentDocumentId);
final File[] files = parent.listFiles();
result.setNotificationUri(getContext().getContentResolver(), getChildDocumentsUri(parentDocumentId));
if (files == null) {
return result;
@@ -129,6 +147,7 @@ public class DuskDocumentsProvider extends DocumentsProvider {
throw new FileNotFoundException("Unable to create document: " + displayName);
}
notifyChildrenChanged(parentDocumentId);
return getDocumentIdForFile(file);
}
@@ -140,9 +159,13 @@ public class DuskDocumentsProvider extends DocumentsProvider {
}
final File target = buildUniqueFile(file.getParentFile(), sanitizeDisplayName(displayName));
final String parentDocumentId = getDocumentIdForFile(file.getParentFile());
if (!file.renameTo(target)) {
throw new FileNotFoundException("Unable to rename document: " + documentId);
}
notifyDocumentChanged(documentId);
notifyDocumentChanged(getDocumentIdForFile(target));
notifyChildrenChanged(parentDocumentId);
return getDocumentIdForFile(target);
}
@@ -153,7 +176,10 @@ public class DuskDocumentsProvider extends DocumentsProvider {
}
final File file = getFileForDocumentId(documentId);
final String parentDocumentId = getDocumentIdForFile(file.getParentFile());
deleteRecursively(file);
notifyDocumentChanged(documentId);
notifyChildrenChanged(parentDocumentId);
}
@Override
@@ -325,6 +351,20 @@ public class DuskDocumentsProvider extends DocumentsProvider {
return "application/octet-stream";
}
private Uri getChildDocumentsUri(String parentDocumentId) {
return DocumentsContract.buildChildDocumentsUri(AUTHORITY, parentDocumentId);
}
private void notifyChildrenChanged(String parentDocumentId) {
final ContentResolver resolver = getContext().getContentResolver();
resolver.notifyChange(getChildDocumentsUri(parentDocumentId), null, false);
}
private void notifyDocumentChanged(String documentId) {
final ContentResolver resolver = getContext().getContentResolver();
resolver.notifyChange(DocumentsContract.buildDocumentUri(AUTHORITY, documentId), null, false);
}
private static void deleteRecursively(File file) throws FileNotFoundException {
if (file.isDirectory()) {
final File[] children = file.listFiles();