consume api delete

lib/api/contact_api.dart

@@ -31,8 +31,9 @@ Future<bool> savecontact(nama, email, nohp, message) async {
 }
 
 Future<bool> deleteContact(id) async {
-  final response = await http.delete(
-    Uri.parse('$cmd/contact/delete/$id'),
+  final response = await http.post(
+    Uri.parse('$cmd/contact/delete'),
+    body: jsonEncode({"idContact": id}),
     headers: {
       'Content-type': 'application/json; charset=UTF-8',
     },

lib/dashboard/admin/admin_contact.dart

@@ -613,7 +613,56 @@ class _Dashboard4State extends State<Dashboard4> {
                                       viewUser(context);
                                     } else if (value == 2) {
                                       print("you choose Delete...");
-                                      deleteContact(context);
+                                        showDialog(
+                                          context: context,
+                                          builder: (context) {
+                                            return AlertDialog(
+                                              title: const Text("Warning"),
+                                              content: Text(
+                                                  "Are you sure want to delete data page ${pgm['idContact']}?"),
+                                              actions: <Widget>[
+                                                TextButton(
+                                                  child: const Text("Yes"),
+                                                  onPressed: () {
+                                                    Navigator.pop(context);
+                                                    deleteContact(
+                                                            pgm['idContact'])
+                                                        .then(
+                                                      (isSuccess) {
+                                                        if (isSuccess) {
+                                                          setState(() {});
+                                                          Scaffold.of(
+                                                                  this.context)
+                                                              .showSnackBar(
+                                                            const SnackBar(
+                                                              content: Text(
+                                                                  "Delete data success"),
+                                                            ),
+                                                          );
+                                                        } else {
+                                                          Scaffold.of(
+                                                                  this.context)
+                                                              .showSnackBar(
+                                                            const SnackBar(
+                                                              content: Text(
+                                                                  "Delete data failed"),
+                                                            ),
+                                                          );
+                                                        }
+                                                      },
+                                                    );
+                                                  },
+                                                ),
+                                                TextButton(
+                                                  child: const Text("No"),
+                                                  onPressed: () {
+                                                    Navigator.pop(context);
+                                                  },
+                                                ),
+                                              ],
+                                            );
+                                          },
+                                        );
                                     }
                                   },
                                 ))