feat(unified-share): ui

app/src/main/java/com/nextcloud/client/database/NextcloudDatabase.kt

@@ -103,7 +103,8 @@ import com.owncloud.android.db.ProviderMeta
         AutoMigration(from = 100, to = 101, spec = DatabaseMigrationUtil.ResetCapabilitiesPostMigration::class),
         AutoMigration(from = 101, to = 102, spec = DatabaseMigrationUtil.ResetCapabilitiesPostMigration::class),
         AutoMigration(from = 102, to = 103, spec = DatabaseMigrationUtil.ResetCapabilitiesPostMigration::class),
-        AutoMigration(from = 103, to = 104)
+        AutoMigration(from = 103, to = 104),
+        AutoMigration(from = 104, to = 105, spec = DatabaseMigrationUtil.ResetCapabilitiesPostMigration::class)
     ],
     exportSchema = true
 )

app/src/main/java/com/nextcloud/client/database/entity/CapabilityEntity.kt

@@ -157,7 +157,9 @@ data class CapabilityEntity(
     @ColumnInfo(name = ProviderTableMeta.CAPABILITIES_MOD_REWRITE_WORKING)
     val modRewriteWorking: Int?,
     @ColumnInfo(name = ProviderTableMeta.CAPABILITIES_CHUNKED_UPLOAD_MAX_SIZE)
-    val chunkedUploadMaxSize: Long?
+    val chunkedUploadMaxSize: Long?,
+    @ColumnInfo(name = ProviderTableMeta.CAPABILITIES_SHARING_JSON)
+    val sharingJson: String?
 )
 
 @Suppress("LongMethod", "ReturnCount")

app/src/main/java/com/nextcloud/utils/extensions/OwnCloudClientExtensions.kt

@@ -9,6 +9,7 @@
 package com.nextcloud.utils.extensions
 
 import android.content.Context
+import com.nextcloud.android.common.ui.network.auth.ServerCredentials
 import com.nextcloud.common.NextcloudClient
 import com.owncloud.android.lib.common.OwnCloudClient
 import com.owncloud.android.lib.common.OwnCloudClientFactory
@@ -34,3 +35,9 @@ fun OwnCloudClient.getVideoPreviewEndpoint(localFileId: Long, size: Int): String
     localFileId +
     "&x=" + size + "&y=" + size +
     "&a=1&forceIcon=0"
+
+/**
+ * Used in Android Common
+ */
+fun OwnCloudClient.toServerCredentials(baseURL: String): ServerCredentials =
+    ServerCredentials(baseURL, userIdPlain, credentials.authToken)

app/src/main/java/com/nextcloud/utils/extensions/ServerCredentialsExtensions.kt

@@ -0,0 +1,24 @@
+/*
+ * Nextcloud - Android Client
+ *
+ * SPDX-FileCopyrightText: 2026 Alper Ozturk <alper.ozturk@nextcloud.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+package com.nextcloud.utils.extensions
+
+import com.nextcloud.android.common.ui.network.auth.ServerCredentials
+import com.nextcloud.android.common.ui.network.http.NextcloudHttpClient
+import com.nextcloud.android.common.ui.network.model.dataOrElse
+import com.nextcloud.android.common.ui.share.repository.ShareRemoteRepository
+import com.owncloud.android.lib.common.utils.Log_OC
+
+private const val TAG = "ServerCredentialsExtensions"
+
+suspend fun ServerCredentials.supportsUnifiedShare(): Boolean {
+    val capabilities = ShareRemoteRepository(NextcloudHttpClient.create(this))
+        .fetchSharingCapabilities()
+        .dataOrElse { Log_OC.e(TAG, "Failed to fetch sharing capabilities") }
+
+    return capabilities?.isUnifiedShareEnabled == true
+}

app/src/main/java/com/nextcloud/utils/extensions/UserExtensions.kt

@@ -0,0 +1,27 @@
+/*
+ * Nextcloud - Android Client
+ *
+ * SPDX-FileCopyrightText: 2026 Alper Ozturk <alper.ozturk@nextcloud.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+package com.nextcloud.utils.extensions
+
+import com.nextcloud.android.common.ui.network.auth.ServerCredentials
+import com.nextcloud.client.account.User
+import com.owncloud.android.MainApp
+import com.owncloud.android.lib.common.OwnCloudClientManagerFactory
+import com.owncloud.android.lib.common.utils.Log_OC
+
+private const val TAG = "UserExtensions"
+
+@Suppress("TooGenericExceptionCaught")
+fun User.toServerCredentials(): ServerCredentials? = try {
+    OwnCloudClientManagerFactory
+        .getDefaultSingleton()
+        .getClientFor(toOwnCloudAccount(), MainApp.getAppContext())
+        .toServerCredentials(server.uri.toString())
+} catch (e: Exception) {
+    Log_OC.e(TAG, "Failed to create client for $accountName", e)
+    null
+}

app/src/main/java/com/owncloud/android/datamodel/FileDataStorageManager.java

@@ -2373,6 +2373,8 @@ private ContentValues createContentValues(String accountName, OCCapability capab
 
         contentValues.put(ProviderTableMeta.CAPABILITIES_CHUNKED_UPLOAD_MAX_SIZE, capability.getChunkedUploadMaxSize());
 
+        contentValues.put(ProviderTableMeta.CAPABILITIES_SHARING_JSON, capability.getSharingJson());
+
         return contentValues;
     }
 
@@ -2576,6 +2578,8 @@ private OCCapability createCapabilityInstance(Cursor cursor) {
 
             capability.setChunkedUploadMaxSize(
                 getLong(cursor, ProviderTableMeta.CAPABILITIES_CHUNKED_UPLOAD_MAX_SIZE));
+
+            capability.setSharingJson(getString(cursor, ProviderTableMeta.CAPABILITIES_SHARING_JSON));
         }
 
         return capability;

app/src/main/java/com/owncloud/android/db/ProviderMeta.java

@@ -24,7 +24,7 @@
  */
 public class ProviderMeta {
     public static final String DB_NAME = "filelist";
-    public static final int DB_VERSION = 104;
+    public static final int DB_VERSION = 105;
 
     private ProviderMeta() {
         // No instance
@@ -299,6 +299,7 @@ static public class ProviderTableMeta implements BaseColumns {
         public static final String CAPABILITIES_CLIENT_INTEGRATION_JSON = "client_integration_json";
         public static final String CAPABILITIES_MOD_REWRITE_WORKING = "mod_rewrite_working";
         public static final String CAPABILITIES_CHUNKED_UPLOAD_MAX_SIZE = "chunked_upload_max_size";
+        public static final String CAPABILITIES_SHARING_JSON = "sharing_json";
 
         //Columns of Uploads table
         public static final String UPLOADS_LOCAL_PATH = "local_path";

app/src/main/java/com/owncloud/android/ui/adapter/OCFileListAdapter.java

@@ -612,9 +612,12 @@ private void bindSharedAvatars(ListItemViewHolder holder, OCFile file) {
         if (sharedAvatars.getChildCount() > 0) {
             sharedAvatars.removeAllViews();
         }
-        final var avatars = helper.getAvatarSharees(file, userId);
-        sharedAvatars.setAvatars(user, avatars, viewThemeUtils);
-        sharedAvatars.setOnClickListener(view -> ocFileListFragmentInterface.onShareIconClick(file));
+
+        helper.getAvatarSharees(file, user, userId, avatars -> {
+            sharedAvatars.setAvatars(user, avatars, viewThemeUtils);
+            sharedAvatars.setOnClickListener(view -> ocFileListFragmentInterface.onShareIconClick(file));
+            return Unit.INSTANCE;
+        });
     }
 
     private void bindListItemViewHolder(ListItemViewHolder holder, OCFile file) {

app/src/main/java/com/owncloud/android/ui/adapter/helper/OCFileListAdapterHelper.kt

@@ -7,10 +7,15 @@
 
 package com.owncloud.android.ui.adapter.helper
 
+import com.nextcloud.android.common.ui.share.avatar.ShareAvatarRepository
+import com.nextcloud.android.common.ui.share.model.api.share.Share
+import com.nextcloud.client.account.User
 import com.nextcloud.client.database.entity.FileEntity
 import com.nextcloud.client.preferences.AppPreferences
 import com.nextcloud.utils.extensions.filterFilenames
 import com.nextcloud.utils.extensions.isTempFile
+import com.nextcloud.utils.extensions.supportsUnifiedShare
+import com.nextcloud.utils.extensions.toServerCredentials
 import com.owncloud.android.MainApp
 import com.owncloud.android.datamodel.OCFile
 import com.owncloud.android.lib.resources.shares.ShareType
@@ -56,19 +61,36 @@ class OCFileListAdapterHelper {
         }
     }
 
-    fun getAvatarSharees(file: OCFile, userId: String?): List<ShareeUser> {
-        val sharees = file.sharees
-        val ownerId = file.ownerId
+    fun getAvatarSharees(file: OCFile, user: User?, userId: String?, onComplete: (List<ShareeUser>) -> Unit) {
+        scope.launch {
+            val credentials = user?.toServerCredentials()
+            val result = if (credentials != null && credentials.supportsUnifiedShare()) {
+                ShareAvatarRepository(credentials).fetchShareAvatars(file.remoteId)?.toAvatarSharees().orEmpty()
+            } else {
+                file.toLocalSharees(userId)
+            }
 
-        val ownerSharee = if (!ownerId.isNullOrEmpty() && ownerId != userId) {
-            ShareeUser(ownerId, file.ownerDisplayName, ShareType.USER).takeIf { it !in sharees }
-        } else {
-            null
+            withContext(Dispatchers.Main) {
+                onComplete(result)
+            }
         }
+    }
+
+    private fun OCFile.toLocalSharees(userId: String?): List<ShareeUser> {
+        val ownerSharee = ownerId
+            ?.takeIf { it.isNotEmpty() && it != userId }
+            ?.let { ShareeUser(it, ownerDisplayName, ShareType.USER) }
+            ?.takeIf { it !in sharees }
 
         return listOfNotNull(ownerSharee) + sharees.asReversed()
     }
 
+    private fun List<Share>.toAvatarSharees(): List<ShareeUser> = asSequence()
+        .flatMap { share -> share.invitedRecipients }
+        .distinctBy { recipient -> recipient.value }
+        .map { recipient -> ShareeUser(recipient.value, recipient.displayName, ShareType.USER) }
+        .toList()
+
     suspend fun prepareFileList(
         directory: OCFile,
         dataProvider: OCFileListAdapterDataProvider,