removable items

lib/check_list.dart

@@ -42,6 +42,10 @@ class _CheckList extends State<CheckList> {
     });
   }
 
+  void _removeItem(data.Check item) async {
+    DBHelper.dbHelper.deleteItem(item);
+  }
+
   void _updateItem(data.Check item) async {
     DBHelper.dbHelper.updateItem(item);
   }
@@ -88,7 +92,43 @@ class _CheckList extends State<CheckList> {
           child: ListView.builder(
             itemCount: list.length,
             itemBuilder: (context, index) {
-              return Card(
+              return Dismissible(
+                key: Key(list[index].id.toString()),
+                confirmDismiss: (direction) async {
+                  if (direction == DismissDirection.startToEnd) {
+                    setState(() {
+                      _removeItem(list[index]);
+                      list.removeAt(index);
+                    });
+                    return true;
+                  }
+                  setState(() {
+                    list[index].value = !list[index].value;
+                  });
+                  return false;
+                },
+                secondaryBackground: Container(
+                  child: Container(
+                      color: Colors.blue,
+                      child: Row(children: const [
+                        Spacer(),
+                        Padding(
+                            padding: EdgeInsets.all(10),
+                            child: Icon(Icons.check)),
+                      ])),
+                ),
+                background: Container(
+                  child: Container(
+                      color: Colors.red,
+                      child: Row(children: const [
+                        Padding(
+                            padding: EdgeInsets.all(10),
+                            child: Icon(
+                              Icons.delete_forever,
+                            )),
+                        Spacer(),
+                      ])),
+                ),
                 child: CheckboxListTile(
                   title: TextFormField(
                     enabled: (listData != null &&

lib/db_helper.dart

@@ -83,6 +83,12 @@ class DBHelper {
     return db.insert("Item", item.toMap());
   }
 
+  Future<int> deleteItem(data.Check item) async {
+    Database db = await database;
+
+    return db.delete("Item", where: 'id = ?', whereArgs: [item.id]);
+  }
+
   Future<int> updateItem(data.Check item) async {
     Database db = await database;