fix: widen snackbars on tablets (#4921)

changelog/unreleased/4985

@@ -0,0 +1,8 @@
+Bugfix: Widen snackbars on tablets
+
+Snackbar width has been expanded to fill the parent on tablets with a
+smallest-width of at least 600dp, so tablet users see a full-width snackbar
+instead of the narrow Material default.
+
+https://github.com/owncloud/android/issues/4921
+https://github.com/owncloud/android/pull/4985

owncloudApp/src/main/java/com/owncloud/android/extensions/ActivityExt.kt

@@ -100,7 +100,7 @@ fun Activity.showMessageInSnackbar(
     val bottomNavView = findViewById<View?>(R.id.bottom_nav_view)
     val snackbar = Snackbar.make(findViewById(layoutId), message, duration)
     if (bottomNavView?.isVisible == true) { snackbar.setAnchorView(bottomNavView) }
-    snackbar.show()
+    snackbar.applyResponsiveWidth().show()
 }
 
 fun Activity.showSnackbarWithAction(
@@ -112,7 +112,7 @@ fun Activity.showSnackbarWithAction(
     val bottomNavView = findViewById<View?>(R.id.bottom_nav_view)
     val snackbar = Snackbar.make(findViewById(android.R.id.content), message, duration)
     if (bottomNavView?.isVisible == true) { snackbar.setAnchorView(bottomNavView) }
-    snackbar.setAction(actionText) { action() }.show()
+    snackbar.setAction(actionText) { action() }.applyResponsiveWidth().show()
 }
 
 fun Activity.showErrorInToast(

owncloudApp/src/main/java/com/owncloud/android/extensions/FragmentExt.kt

@@ -62,7 +62,7 @@ fun Fragment.showMessageInSnackbar(
     val bottomNavView = rootView.findViewById<View?>(R.id.bottom_nav_view)
     val snackbar = Snackbar.make(requiredView, message, duration)
     if (bottomNavView?.isVisible == true) { snackbar.setAnchorView(bottomNavView) }
-    snackbar.show()
+    snackbar.applyResponsiveWidth().show()
 }
 
 fun Fragment.showSnackbarWithAction(
@@ -74,6 +74,7 @@ fun Fragment.showSnackbarWithAction(
     val requiredView = view ?: return
     Snackbar.make(requiredView, message, duration)
         .setAction(actionText) { action() }
+        .applyResponsiveWidth()
         .show()
 }
 

owncloudApp/src/main/java/com/owncloud/android/extensions/SnackbarExt.kt

@@ -0,0 +1,31 @@
+/**
+ * ownCloud Android client application
+ *
+ * Copyright (C) 2026 ownCloud GmbH.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.owncloud.android.extensions
+
+import android.view.ViewGroup
+import androidx.core.view.updateLayoutParams
+import com.google.android.material.snackbar.Snackbar
+
+fun Snackbar.applyResponsiveWidth(): Snackbar {
+    if (view.context.resources.configuration.smallestScreenWidthDp >= 600) {
+        view.updateLayoutParams<ViewGroup.LayoutParams> {
+            width = ViewGroup.LayoutParams.MATCH_PARENT
+        }
+    }
+    return this
+}

owncloudApp/src/main/java/com/owncloud/android/ui/activity/FileDisplayActivity.kt

@@ -77,6 +77,7 @@ import com.owncloud.android.domain.files.model.OCFile.Companion.ROOT_PARENT_ID
 import com.owncloud.android.domain.spaces.model.OCSpace
 import com.owncloud.android.domain.utils.Event
 import com.owncloud.android.extensions.checkPasscodeEnforced
+import com.owncloud.android.extensions.applyResponsiveWidth
 import com.owncloud.android.extensions.collectLatestLifecycleFlow
 import com.owncloud.android.extensions.goToUrl
 import com.owncloud.android.extensions.isDownloadPending
@@ -1408,7 +1409,9 @@ class FileDisplayActivity : FileActivity(),
 
                     is SynchronizeFileUseCase.SyncType.DownloadEnqueued -> {
                         fileWaitingToPreview?.let {
-                            Snackbar.make(findViewById(android.R.id.content), R.string.new_remote_version_found_msg, Snackbar.LENGTH_LONG).show()
+                            Snackbar.make(findViewById(android.R.id.content), R.string.new_remote_version_found_msg, Snackbar.LENGTH_LONG)
+                                .applyResponsiveWidth()
+                                .show()
                             startSyncThenOpen(it)
                             fileWaitingToPreview = null
                         } ?: showSnackMessage(getString(R.string.download_enqueued_msg))

owncloudApp/src/main/java/com/owncloud/android/ui/preview/PreviewAudioFragment.kt

@@ -47,6 +47,7 @@ import androidx.core.view.WindowInsetsCompat
 import com.google.android.material.snackbar.Snackbar
 import com.owncloud.android.R
 import com.owncloud.android.domain.files.model.OCFile
+import com.owncloud.android.extensions.applyResponsiveWidth
 import com.owncloud.android.extensions.collectLatestLifecycleFlow
 import com.owncloud.android.extensions.filterMenuOptions
 import com.owncloud.android.extensions.sendDownloadedFilesByShareSheet
@@ -305,13 +306,17 @@ class PreviewAudioFragment : FileFragment() {
 
             R.id.action_set_available_offline -> {
                 fileOperationsViewModel.performOperation(FileOperation.SetFilesAsAvailableOffline(listOf(file)))
-                Snackbar.make(requireView(), R.string.confirmation_set_available_offline, Snackbar.LENGTH_LONG).show()
+                Snackbar.make(requireView(), R.string.confirmation_set_available_offline, Snackbar.LENGTH_LONG)
+                    .applyResponsiveWidth()
+                    .show()
                 true
             }
 
             R.id.action_unset_available_offline -> {
                 fileOperationsViewModel.performOperation(FileOperation.UnsetFilesAsAvailableOffline(listOf(file)))
-                Snackbar.make(requireView(), R.string.confirmation_unset_available_offline, Snackbar.LENGTH_LONG).show()
+                Snackbar.make(requireView(), R.string.confirmation_unset_available_offline, Snackbar.LENGTH_LONG)
+                    .applyResponsiveWidth()
+                    .show()
                 true
             }
 

owncloudApp/src/main/java/com/owncloud/android/ui/preview/PreviewImageFragment.kt

@@ -51,6 +51,7 @@ import com.owncloud.android.R
 import com.owncloud.android.databinding.PreviewImageFragmentBinding
 import com.owncloud.android.domain.files.model.MIME_SVG
 import com.owncloud.android.domain.files.model.OCFile
+import com.owncloud.android.extensions.applyResponsiveWidth
 import com.owncloud.android.extensions.collectLatestLifecycleFlow
 import com.owncloud.android.extensions.filterMenuOptions
 import com.owncloud.android.extensions.sendDownloadedFilesByShareSheet
@@ -248,13 +249,17 @@ class PreviewImageFragment : FileFragment() {
 
             R.id.action_set_available_offline -> {
                 fileOperationsViewModel.performOperation(FileOperation.SetFilesAsAvailableOffline(listOf(file)))
-                Snackbar.make(requireActivity().window.decorView, R.string.confirmation_set_available_offline, Snackbar.LENGTH_LONG).show()
+                Snackbar.make(requireActivity().window.decorView, R.string.confirmation_set_available_offline, Snackbar.LENGTH_LONG)
+                    .applyResponsiveWidth()
+                    .show()
                 true
             }
 
             R.id.action_unset_available_offline -> {
                 fileOperationsViewModel.performOperation(FileOperation.UnsetFilesAsAvailableOffline(listOf(file)))
-                Snackbar.make(requireActivity().window.decorView, R.string.confirmation_unset_available_offline, Snackbar.LENGTH_LONG).show()
+                Snackbar.make(requireActivity().window.decorView, R.string.confirmation_unset_available_offline, Snackbar.LENGTH_LONG)
+                    .applyResponsiveWidth()
+                    .show()
                 true
             }
 

owncloudApp/src/main/java/com/owncloud/android/ui/preview/PreviewTextFragment.kt

@@ -42,6 +42,7 @@ import com.google.android.material.tabs.TabLayoutMediator
 import com.owncloud.android.R
 import com.owncloud.android.databinding.PreviewTextFragmentBinding
 import com.owncloud.android.domain.files.model.OCFile
+import com.owncloud.android.extensions.applyResponsiveWidth
 import com.owncloud.android.extensions.collectLatestLifecycleFlow
 import com.owncloud.android.extensions.filterMenuOptions
 import com.owncloud.android.extensions.sendDownloadedFilesByShareSheet
@@ -170,15 +171,19 @@ class PreviewTextFragment : FileFragment() {
                 val fileToSetAsAvailableOffline = ArrayList<OCFile>()
                 fileToSetAsAvailableOffline.add(file)
                 fileOperationsViewModel.performOperation(FileOperation.SetFilesAsAvailableOffline(fileToSetAsAvailableOffline))
-                Snackbar.make(requireView(), R.string.confirmation_set_available_offline, Snackbar.LENGTH_LONG).show()
+                Snackbar.make(requireView(), R.string.confirmation_set_available_offline, Snackbar.LENGTH_LONG)
+                    .applyResponsiveWidth()
+                    .show()
                 true
             }
 
             R.id.action_unset_available_offline -> {
                 val fileToUnsetAsAvailableOffline = ArrayList<OCFile>()
                 fileToUnsetAsAvailableOffline.add(file)
                 fileOperationsViewModel.performOperation(FileOperation.UnsetFilesAsAvailableOffline(fileToUnsetAsAvailableOffline))
-                Snackbar.make(requireView(), R.string.confirmation_unset_available_offline, Snackbar.LENGTH_LONG).show()
+                Snackbar.make(requireView(), R.string.confirmation_unset_available_offline, Snackbar.LENGTH_LONG)
+                    .applyResponsiveWidth()
+                    .show()
                 true
             }
 

owncloudApp/src/main/java/com/owncloud/android/ui/preview/PreviewVideoActivity.kt

@@ -63,6 +63,7 @@ import com.owncloud.android.R
 import com.owncloud.android.databinding.VideoPreviewBinding
 import com.owncloud.android.domain.files.model.OCFile
 import com.owncloud.android.domain.utils.Event
+import com.owncloud.android.extensions.applyResponsiveWidth
 import com.owncloud.android.extensions.filterMenuOptions
 import com.owncloud.android.extensions.sendDownloadedFilesByShareSheet
 import com.owncloud.android.extensions.showErrorInSnackbar
@@ -411,15 +412,15 @@ class PreviewVideoActivity : FileActivity(), Player.Listener, OnPrepareVideoPlay
                 val fileToSetAsAvailableOffline = ArrayList<OCFile>()
                 fileToSetAsAvailableOffline.add(file)
                 fileOperationsViewModel.performOperation(SetFilesAsAvailableOffline(fileToSetAsAvailableOffline))
-                Snackbar.make(binding.root, R.string.confirmation_set_available_offline, Snackbar.LENGTH_LONG).show()
+                Snackbar.make(binding.root, R.string.confirmation_set_available_offline, Snackbar.LENGTH_LONG).applyResponsiveWidth().show()
                 true
             }
 
             R.id.action_unset_available_offline -> {
                 val fileToUnsetAsAvailableOffline = ArrayList<OCFile>()
                 fileToUnsetAsAvailableOffline.add(file)
                 fileOperationsViewModel.performOperation(UnsetFilesAsAvailableOffline(fileToUnsetAsAvailableOffline))
-                Snackbar.make(binding.root, R.string.confirmation_unset_available_offline, Snackbar.LENGTH_LONG).show()
+                Snackbar.make(binding.root, R.string.confirmation_unset_available_offline, Snackbar.LENGTH_LONG).applyResponsiveWidth().show()
                 true
             }