MOBILE-2890 calendar: Confirm delete reminder

src/addon/calendar/pages/event/event.ts

@@ -344,10 +344,22 @@ export class AddonCalendarEventPage implements OnDestroy {
         e.preventDefault();
         e.stopPropagation();
 
+        const message = this.translate.instant('core.areyousure');
+        const okText = this.translate.instant('core.delete');
+
+        this.domUtils.showConfirm(message, undefined, okText).then(() => {
+            const modal = this.domUtils.showModalLoading('core.deleting', true);
             this.calendarProvider.deleteEventReminder(id).then(() => {
                 this.calendarProvider.getEventReminders(this.eventId).then((reminders) => {
                     this.reminders = reminders;
                 });
+            }).catch((error) => {
+                this.domUtils.showErrorModalDefault(error, 'Error deleting reminder');
+            }).finally(() => {
+                modal.dismiss();
+            });
+        }).catch(() => {
+            // Cancelled.
         });
     }