Improved strings

Signed-off-by: Arnau Mora <arnyminerz@proton.me>

Author: ArnyminerZ

app/src/main/java/at/bitfire/icsdroid/model/SubscriptionsModel.kt

@@ -233,7 +233,7 @@ class SubscriptionsModel(application: Application): AndroidViewModel(application
                 toast.cancel()
                 Toast.makeText(
                     context,
-                    context.getString(R.string.backup_imported, newSubscriptions.size),
+                    context.resources.getQuantityString(R.plurals.backup_imported, newSubscriptions.size, newSubscriptions.size),
                     Toast.LENGTH_SHORT
                 ).show()
             }

app/src/main/java/at/bitfire/icsdroid/ui/screen/CalendarListScreen.kt

@@ -322,8 +322,13 @@ fun ActionOverflowMenu(
     if (showImportWarningDialog)
         GenericAlertDialog(
             title = stringResource(R.string.backup_warning_title),
-            confirmButton = stringResource(android.R.string.ok) to onBackupImportRequested,
-            dismissButton = stringResource(android.R.string.cancel) to { showImportWarningDialog = false },
+            confirmButton = stringResource(android.R.string.ok) to {
+                showImportWarningDialog = false
+                onBackupImportRequested()
+            },
+            dismissButton = stringResource(android.R.string.cancel) to {
+                showImportWarningDialog = false
+                                                                       },
             onDismissRequest = { showImportWarningDialog = false },
             content = { Text(stringResource(R.string.backup_warning_message)) }
         )

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

@@ -147,6 +147,9 @@ along with this program.  If not, see <a href="https://www.gnu.org/licenses/">ht
     <string name="backup_exporting">Exporting…</string>
     <string name="backup_exported">Backup exported!</string>
     <string name="backup_importing">Importing…</string>
-    <string name="backup_imported">%d subscriptions imported</string>
+    <plurals name="backup_imported">
+        <item quantity="one">%d subscription imported</item>
+        <item quantity="other">%d subscriptions imported</item>
+    </plurals>
 
 </resources>