Add Out of Remote Storage sheet.

app/src/main/java/org/thoughtcrime/securesms/backup/v2/BackupRepository.kt

@@ -420,7 +420,7 @@ object BackupRepository {
     ServiceUtil.getNotificationManager(AppDependencies.application).cancel(NotificationIds.INITIAL_BACKUP_FAILED)
   }
 
-  fun markOutOfRemoteStorageError() {
+  fun markOutOfRemoteStorageSpaceError() {
     val context = AppDependencies.application
 
     val pendingIntent = PendingIntent.getActivity(context, 0, AppSettingsActivity.remoteBackups(context), cancelCurrent())
@@ -434,15 +434,15 @@ object BackupRepository {
 
     ServiceUtil.getNotificationManager(context).notify(NotificationIds.OUT_OF_REMOTE_STORAGE, notification)
 
-    SignalStore.backup.isNotEnoughRemoteStorageSpace = true
+    SignalStore.backup.markNotEnoughRemoteStorageSpace()
   }
 
-  fun clearOutOfRemoteStorageError() {
-    SignalStore.backup.isNotEnoughRemoteStorageSpace = false
+  fun clearOutOfRemoteStorageSpaceError() {
+    SignalStore.backup.clearNotEnoughRemoteStorageSpace()
     ServiceUtil.getNotificationManager(AppDependencies.application).cancel(NotificationIds.OUT_OF_REMOTE_STORAGE)
   }
 
-  fun shouldDisplayOutOfStorageSpaceUx(): Boolean {
+  fun shouldDisplayOutOfRemoteStorageSpaceUx(): Boolean {
     if (shouldNotDisplayBackupFailedMessaging()) {
       return false
     }
@@ -450,6 +450,18 @@ object BackupRepository {
     return SignalStore.backup.isNotEnoughRemoteStorageSpace
   }
 
+  fun shouldDisplayOutOfRemoteStorageSpaceSheet(): Boolean {
+    if (shouldNotDisplayBackupFailedMessaging()) {
+      return false
+    }
+
+    return SignalStore.backup.shouldDisplayNotEnoughRemoteStorageSpaceSheet
+  }
+
+  fun dismissOutOfRemoteStorageSpaceSheet() {
+    SignalStore.backup.dismissNotEnoughRemoteStorageSpaceSheet()
+  }
+
   /**
    * Whether the yellow dot should be displayed on the conversation list avatar.
    */

app/src/main/java/org/thoughtcrime/securesms/backup/v2/ui/BackupAlertDelegate.kt

@@ -36,6 +36,7 @@ object BackupAlertDelegate {
         } else if (BackupRepository.shouldDisplayNoManualBackupForTimeoutSheet()) {
           NoManualBackupBottomSheet().show(fragmentManager, FRAGMENT_TAG)
           BackupRepository.displayManualBackupNotCreatedInThresholdNotification()
+        } else if (BackupRepository.shouldDisplayOutOfRemoteStorageSpaceSheet()) {
         }
 
         displayBackupDownloadNotifier(fragmentManager)

app/src/main/java/org/thoughtcrime/securesms/backup/v2/ui/NoRemoteStorageSpaceAvailableBottomSheet.kt

@@ -0,0 +1,117 @@
+/*
+ * Copyright 2025 Signal Messenger, LLC
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+package org.thoughtcrime.securesms.backup.v2.ui
+
+import android.content.DialogInterface
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.LinkAnnotation
+import androidx.compose.ui.text.SpanStyle
+import androidx.compose.ui.text.buildAnnotatedString
+import androidx.compose.ui.text.withLink
+import androidx.compose.ui.text.withStyle
+import androidx.compose.ui.unit.dp
+import org.signal.core.ui.compose.Previews
+import org.signal.core.ui.compose.SignalPreview
+import org.thoughtcrime.securesms.R
+import org.thoughtcrime.securesms.backup.v2.BackupRepository
+import org.thoughtcrime.securesms.components.contactsupport.ContactSupportDialogFragment
+import org.thoughtcrime.securesms.compose.ComposeBottomSheetDialogFragment
+import org.thoughtcrime.securesms.util.CommunicationActions
+
+class NoRemoteStorageSpaceAvailableBottomSheet : ComposeBottomSheetDialogFragment() {
+  @Composable
+  override fun SheetContent() {
+    val context = LocalContext.current
+
+    NoRemoteStorageSpaceAvailableBottomSheetContent(
+      onLearnMoreClick = {
+        CommunicationActions.openBrowserLink(context, context.getString(R.string.backup_failed_support_url))
+      },
+      onContactSupportClick = {
+        ContactSupportDialogFragment.create(
+          subject = R.string.BackupAlertBottomSheet_network_failure_support_email,
+          filter = R.string.BackupAlertBottomSheet_export_failure_filter
+        ).show(parentFragmentManager, null)
+
+        dismissAllowingStateLoss()
+      },
+      onOkClick = {
+        dismissAllowingStateLoss()
+      }
+    )
+  }
+
+  override fun onDismiss(dialog: DialogInterface) {
+    super.onDismiss(dialog)
+    BackupRepository.dismissOutOfRemoteStorageSpaceSheet()
+  }
+}
+
+@Composable
+private fun NoRemoteStorageSpaceAvailableBottomSheetContent(
+  onLearnMoreClick: () -> Unit,
+  onContactSupportClick: () -> Unit,
+  onOkClick: () -> Unit
+) {
+  val primaryActionButtonLabel = stringResource(R.string.BackupAlertBottomSheet__contact_support)
+  val primaryActionButtonState = remember(primaryActionButtonLabel, onContactSupportClick) {
+    BackupAlertActionButtonState(
+      label = primaryActionButtonLabel,
+      callback = onContactSupportClick
+    )
+  }
+
+  val secondaryActionButtonLabel = stringResource(android.R.string.ok)
+  val secondaryActionButtonState = remember(secondaryActionButtonLabel, onOkClick) {
+    BackupAlertActionButtonState(
+      label = secondaryActionButtonLabel,
+      callback = onOkClick
+    )
+  }
+
+  BackupAlertBottomSheetContainer(
+    icon = {
+      BackupAlertIcon(iconColors = BackupsIconColors.Warning)
+    },
+    title = stringResource(R.string.BackupAlertBottomSheet__backup_failed),
+    primaryActionButtonState = primaryActionButtonState,
+    secondaryActionButtonState = secondaryActionButtonState
+  ) {
+    val text = buildAnnotatedString {
+      append(stringResource(id = R.string.BackupAlertBottomSheet__an_error_occurred_and))
+      append(" ")
+
+      withLink(
+        LinkAnnotation.Clickable(tag = "learn-more") {
+          onLearnMoreClick()
+        }
+      ) {
+        withStyle(SpanStyle(color = MaterialTheme.colorScheme.primary)) {
+          append(stringResource(id = R.string.BackupAlertBottomSheet__learn_more))
+        }
+      }
+    }
+
+    BackupAlertText(
+      text = text,
+      modifier = Modifier.padding(bottom = 36.dp)
+    )
+  }
+}
+
+@SignalPreview
+@Composable
+private fun NoRemoteStorageSpaceAvailableBottomSheetContentPreview() {
+  Previews.BottomSheetPreview {
+    NoRemoteStorageSpaceAvailableBottomSheetContent({}, {}, {})
+  }
+}