alperozturk96 · Sep 10, 2026 · Apr 16, 2026 · Apr 16, 2026 · Apr 17, 2026 · Apr 17, 2026
diff --git a/app/schemas/com.nextcloud.client.database.NextcloudDatabase/106.json b/app/schemas/com.nextcloud.client.database.NextcloudDatabase/106.json
diff --git a/app/src/androidTest/java/com/nextcloud/test/FlakyTestFilter.kt b/app/src/androidTest/java/com/nextcloud/test/FlakyTestFilter.kt
@@ -0,0 +1,25 @@
+/*
+ * Nextcloud - Android Client
+ *
+ * SPDX-FileCopyrightText: 2026 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+package com.nextcloud.test
+
+import org.junit.runner.Description
+import org.junit.runner.manipulation.Filter
+
+class FlakyTestFilter : Filter() {
+    override fun shouldRun(description: Description): Boolean = when {
+        description.isTest -> !description.isFlaky()
+        else -> description.children.any { shouldRun(it) }
+    }
+
+    override fun describe(): String = "skip tests annotated with @Flaky"
+
+    private fun Description.isFlaky(): Boolean {
+        val onMethod = getAnnotation(Flaky::class.java) != null
+        val onClass = testClass?.isAnnotationPresent(Flaky::class.java) == true
+        return onMethod || onClass
+    }
+}
diff --git a/app/src/androidTest/java/com/owncloud/android/GrantFolderExistenceTests.kt b/app/src/androidTest/java/com/owncloud/android/GrantFolderExistenceTests.kt
@@ -20,6 +20,7 @@ import org.junit.Assert.assertEquals
 import org.junit.Assert.assertFalse
 import org.junit.Assert.assertNotNull
 import org.junit.Assert.assertTrue
+import org.junit.Assert.fail
 import org.junit.Before
 import org.junit.Test
 import java.io.IOException
@@ -50,7 +51,7 @@ class GrantFolderExistenceTests : AbstractOnServerIT() {
         assertTrue("month folder should exist on server", existsOnServer(monthFolder))
         assertNotNull("month folder should be cached locally", storageManager.getFileByDecryptedRemotePath(monthFolder))
 
-        removeYearFolderOnServerOnly()
+        removeOnServer(yearFolder)
 
         assertFalse("month folder should be deleted", existsOnServer(monthFolder))
         assertNotNull(
@@ -74,10 +75,7 @@ class GrantFolderExistenceTests : AbstractOnServerIT() {
     fun testUploadFileThenDeleteRootOnServerOnlyThenUploadAgainShouldRecreateAllFolderLevelsAndReturnOk() {
         uploadAndAssertSuccess("first.txt")
 
-        assertTrue(
-            "root folder should be removed",
-            RemoveFileRemoteOperation(root).execute(client).isSuccess
-        )
+        removeOnServer(root)
         assertFalse(existsOnServer(root))
 
         val result = upload("nonEmpty.txt", monthFolder + "nonEmpty.txt")
@@ -98,11 +96,18 @@ class GrantFolderExistenceTests : AbstractOnServerIT() {
         assertTrue("uploaded file should exist on server", existsOnServer(monthFolder + filename))
     }
 
-    private fun removeYearFolderOnServerOnly() {
-        assertTrue(
-            "year folder should be removed",
-            RemoveFileRemoteOperation(yearFolder).execute(client).isSuccess
-        )
+    private fun removeOnServer(remotePath: String) {
+        // the server keeps a transient lock on a just uploaded file, so a DELETE on one of its
+        // parent folders answers 423 until that lock expires
+        repeat(REMOVE_ATTEMPTS) {
+            if (RemoveFileRemoteOperation(remotePath).execute(client).isSuccess) {
+                return
+            }
+
+            shortSleep()
+        }
+
+        fail("$remotePath should be removed on server")
     }
 
     private fun existsOnServer(remotePath: String): Boolean =
@@ -139,5 +144,6 @@ class GrantFolderExistenceTests : AbstractOnServerIT() {
 
     companion object {
         private const val FILE_LINE_COUNT = 100
+        private const val REMOVE_ATTEMPTS = 5
     }
 }
diff --git a/app/src/androidTest/java/com/owncloud/android/providers/DocumentsStorageProviderIT.kt b/app/src/androidTest/java/com/owncloud/android/providers/DocumentsStorageProviderIT.kt
@@ -8,10 +8,15 @@ package com.owncloud.android.providers
 
 import android.provider.DocumentsContract
 import androidx.documentfile.provider.DocumentFile
+import com.nextcloud.client.account.UserAccountManagerImpl
+import com.nextcloud.client.jobs.upload.FileUploadHelper
 import com.nextcloud.test.RandomStringGenerator
 import com.owncloud.android.AbstractOnServerIT
 import com.owncloud.android.R
 import com.owncloud.android.datamodel.OCFile.ROOT_PATH
+import com.owncloud.android.datamodel.UploadsStorageManager
+import com.owncloud.android.datamodel.UploadsStorageManager.UploadStatus
+import com.owncloud.android.db.OCUpload
 import com.owncloud.android.lib.common.utils.Log_OC
 import com.owncloud.android.providers.DocumentsProviderUtils.assertExistsOnServer
 import com.owncloud.android.providers.DocumentsProviderUtils.assertListFilesEquals
@@ -31,12 +36,16 @@ import org.junit.After
 import org.junit.Assert.assertEquals
 import org.junit.Assert.assertFalse
 import org.junit.Assert.assertTrue
+import org.junit.Assert.fail
 import org.junit.Before
 import org.junit.Test
 import kotlin.random.Random
 
 private const val MAX_FILE_NAME_LENGTH = 225
 
+// the provider can only enqueue the upload worker, so give it a generous budget before giving up
+private const val UPLOAD_POLL_ATTEMPTS = 45
+
 class DocumentsStorageProviderIT : AbstractOnServerIT() {
 
     private val context = targetContext
@@ -48,8 +57,17 @@ class DocumentsStorageProviderIT : AbstractOnServerIT() {
     private val uri = DocumentsContract.buildTreeDocumentUri(authority, documentId)
     private val rootDir get() = DocumentFile.fromTreeUri(context, uri)!!
 
+    private val uploadsStorageManager = UploadsStorageManager(
+        UserAccountManagerImpl.fromContext(context),
+        contentResolver
+    )
+
     @Before
     fun before() {
+        // an upload left over by a previous test fails once its local file is gone, and WorkManager
+        // then drops everything appended behind it in the upload chain, including our own uploads
+        FileUploadHelper.instance().cancel(user.accountName)
+
         // DocumentsProvider#onCreate() is called when the application is started
         // which is *after* AbstractOnServerIT adds the accounts (when the app is freshly installed).
         // So we need to query our roots here to ensure that the internal storage map is initialized.
@@ -211,11 +229,7 @@ class DocumentsStorageProviderIT : AbstractOnServerIT() {
             it!!.write(content1)
         }
 
-        // refresh
-        while (file1.getOCFile(storageManager)!!.etagOnServer == createdETag) {
-            shortSleep()
-            rootDir.listFiles()
-        }
+        awaitUploadedToServer(file1, createdETag)
 
         val remotePath = file1.getOCFile(storageManager)!!.remotePath
 
@@ -250,11 +264,7 @@ class DocumentsStorageProviderIT : AbstractOnServerIT() {
             it!!.write(content1)
         }
 
-        // refresh
-        while (file1.getOCFile(storageManager)!!.etagOnServer == createdETag) {
-            shortSleep()
-            rootDir.listFiles()
-        }
+        awaitUploadedToServer(file1, createdETag)
 
         val content2 = "new content".toByteArray()
 
@@ -266,4 +276,31 @@ class DocumentsStorageProviderIT : AbstractOnServerIT() {
         val bytes = contentResolver.openInputStream(file1.uri)?.readBytes() ?: ByteArray(0)
         assertEquals(String(content2), String(bytes))
     }
+
+    private fun awaitUploadedToServer(file: DocumentFile, etagBeforeUpload: String) {
+        val remotePath = file.getOCFile(storageManager)!!.remotePath
+
+        repeat(UPLOAD_POLL_ATTEMPTS) {
+            if (file.getOCFile(storageManager)!!.etagOnServer != etagBeforeUpload) {
+                return
+            }
+
+            failedUpload(remotePath)?.let {
+                fail("upload of $remotePath failed with ${it.lastResult}")
+            }
+
+            shortSleep()
+            rootDir.listFiles()
+        }
+
+        fail("upload of $remotePath did not finish, stored uploads: ${describeUploads()}")
+    }
+
+    private fun failedUpload(remotePath: String): OCUpload? = uploadsStorageManager
+        .getUploadsForAccount(user.accountName)
+        .firstOrNull { it.remotePath == remotePath && it.uploadStatus == UploadStatus.UPLOAD_FAILED }
+
+    private fun describeUploads(): String = uploadsStorageManager
+        .getUploadsForAccount(user.accountName)
+        .joinToString { "${it.remotePath} is ${it.uploadStatus} with ${it.lastResult}" }
 }
diff --git a/app/src/androidTest/java/com/owncloud/android/ui/fragment/UnifiedSearchFragmentIT.kt b/app/src/androidTest/java/com/owncloud/android/ui/fragment/UnifiedSearchFragmentIT.kt
@@ -67,6 +67,7 @@ class UnifiedSearchFragmentIT : AbstractIT() {
             scenario.onActivity { activity ->
                 val sut = UnifiedSearchFragment.newInstance(null, null, "/")
                 val testViewModel = UnifiedSearchViewModel(activity.application)
+                testViewModel.setCurrentAccountProvider(activity.userAccountManager)
                 testViewModel.setConnectivityService(activity.connectivityServiceMock)
                 val localRepository = UnifiedSearchFakeRepository()
                 testViewModel.setRepository(localRepository)

diff --git a/app/src/main/java/com/nextcloud/client/database/NextcloudDatabase.kt b/app/src/main/java/com/nextcloud/client/database/NextcloudDatabase.kt
@@ -104,7 +104,8 @@ import com.owncloud.android.db.ProviderMeta
         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 = 104, to = 105)
+        AutoMigration(from = 104, to = 105),
+        AutoMigration(from = 105, to = 106, spec = DatabaseMigrationUtil.ResetCapabilitiesPostMigration::class)
     ],
     exportSchema = true
 )

diff --git a/app/src/main/java/com/nextcloud/client/database/entity/CapabilityEntity.kt b/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")

diff --git a/app/src/main/java/com/nextcloud/client/player/ui/PlayerLauncher.kt b/app/src/main/java/com/nextcloud/client/player/ui/PlayerLauncher.kt
@@ -19,6 +19,7 @@ import com.nextcloud.client.player.model.file.PlaybackFiles
 import com.nextcloud.client.player.model.file.PlaybackFilesComparator
 import com.nextcloud.client.player.model.file.PlaybackFilesRepository
 import com.nextcloud.client.player.util.PlayerUtil.toPlaybackFile
+import com.nextcloud.utils.extensions.resolveMimeType
 import com.owncloud.android.datamodel.OCFile
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.launch
@@ -68,7 +69,7 @@ class PlayerLauncher @Inject constructor(
     }
 
     private suspend fun prepareQueue(file: OCFile, collection: PlaybackCollection): PlaybackFileType {
-        val fileType = PlaybackFileType.ofMimeType(file.mimeType)
+        val fileType = PlaybackFileType.ofMimeType(file.resolveMimeType())
         playbackResumptionConfigStore.saveConfig(file.localId.toString(), file.parentId, fileType, collection)
 
         playbackModel.start()

diff --git a/app/src/main/java/com/nextcloud/client/player/util/PlayerUtil.kt b/app/src/main/java/com/nextcloud/client/player/util/PlayerUtil.kt
@@ -34,6 +34,7 @@ import com.nextcloud.client.player.model.state.PlaybackState
 import com.nextcloud.client.player.model.state.PlayerState
 import com.nextcloud.client.player.model.state.RepeatMode
 import com.nextcloud.client.player.model.state.VideoSize
+import com.nextcloud.utils.extensions.resolveMimeType
 import com.owncloud.android.datamodel.OCFile
 import com.owncloud.android.lib.resources.shares.OCShare
 import com.owncloud.android.utils.MimeTypeUtil
@@ -177,7 +178,7 @@ object PlayerUtil {
         id = localId.toString(),
         uri = getPlaybackUri().toString(),
         name = fileName,
-        mimeType = mimeType,
+        mimeType = resolveMimeType(),
         contentLength = fileLength,
         lastModified = modificationTimestamp,
         isFavorite = isFavorite
@@ -187,13 +188,13 @@ object PlayerUtil {
         id = fileSource.toString(),
         uri = getPlaybackUri().toString(),
         name = path?.let { File(it).name } ?: "",
-        mimeType = getMimeType(),
+        mimeType = resolveMimeType(),
         contentLength = UNKNOWN_CONTENT_LENGTH,
         lastModified = sharedDate * SECOND_IN_MILLISECONDS,
         isFavorite = isFavorite
     )
 
-    private fun OCShare.getMimeType(): String = mimetype
+    private fun OCShare.resolveMimeType(): String = mimetype
         ?.takeIf { it.isNotEmpty() }
         ?: path?.let { MimeTypeUtil.getMimeTypeFromPath(it) }
         ?: ""

diff --git a/app/src/main/java/com/nextcloud/utils/extensions/MimeTypeExtensions.kt b/app/src/main/java/com/nextcloud/utils/extensions/MimeTypeExtensions.kt
@@ -0,0 +1,15 @@
+/*
+ * 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.owncloud.android.datamodel.OCFile
+import com.owncloud.android.utils.MimeTypeUtil
+
+fun OCFile.resolveMimeType(): String = mimeType
+    ?.takeIf { it.isNotEmpty() }
+    ?: remotePath?.let { MimeTypeUtil.getMimeTypeFromPath(it) }
+    ?: ""
diff --git a/app/src/main/java/com/nextcloud/utils/extensions/OwnCloudClientExtensions.kt b/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)
diff --git a/app/src/main/java/com/nextcloud/utils/extensions/ServerCredentialsExtensions.kt b/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
+}
diff --git a/app/src/main/java/com/nextcloud/utils/extensions/UserExtensions.kt b/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
+}
diff --git a/app/src/main/java/com/owncloud/android/datamodel/FileDataStorageManager.java b/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;

diff --git a/app/src/main/java/com/owncloud/android/db/ProviderMeta.java b/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 = 105;
+    public static final int DB_VERSION = 106;
 
     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";