Replace string with plural resource.

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

@@ -365,7 +365,7 @@ private fun CouldNotCompleteBackup(
   daysSinceLastBackup: Int
 ) {
   Text(
-    text = stringResource(id = R.string.BackupAlertBottomSheet__your_device_hasnt, daysSinceLastBackup),
+    text = pluralStringResource(id = R.plurals.BackupAlertBottomSheet__your_device_hasnt, daysSinceLastBackup, daysSinceLastBackup),
     textAlign = TextAlign.Center,
     color = MaterialTheme.colorScheme.onSurfaceVariant,
     modifier = Modifier.padding(bottom = 60.dp)

app/src/main/res/values/strings.xml

@@ -7533,7 +7533,10 @@
     <!-- Sheet title for generic backup error -->
     <string name="BackupAlertBottomSheet__couldnt_complete_backup">Couldn\'t complete backup</string>
     <!-- Sheet body for generic backup error. Placeholder is days since last backup. -->
-    <string name="BackupAlertBottomSheet__your_device_hasnt">Your device hasn\'t completed a backup for %1$d days. Make sure your device is connected to wi-fi and tap \"Back up now.\" </string>
+    <plurals name="BackupAlertBottomSheet__your_device_hasnt">
+        <item quantity="one">Your device hasn\'t completed a backup for %1$d day. Make sure your device is connected to wi-fi and tap \"Back up now.\" </item>
+        <item quantity="other">Your device hasn\'t completed a backup for %1$d days. Make sure your device is connected to wi-fi and tap \"Back up now.\"</item>
+    </plurals>
     <!-- Clickable text to learn more about the content of this bottom sheet -->
     <string name="BackupAlertBottomSheet__learn_more">Learn more</string>
     <!-- Secondary action button text when user does not have enough free space to download their backup. -->