[ESP32 TTGO] My hardware key to operate my app (Ep.2/2 - Completing App)

2026-01-12 09:17:42 +03:00 · 2021-01-12 12:27:51 -08:00
parent 23694eccb7
commit d7468ccf0c
65 changed files with 1813 additions and 0 deletions
--- a/ESP32_TTGO/my_hardware_key_demo_app/lib/main.dart
+++ b/ESP32_TTGO/my_hardware_key_demo_app/lib/main.dart
@@ -0,0 +1,113 @@
+import 'package:flutter/material.dart';
+import 'package:get/get.dart';
+import 'package:my_hardware_key_demo_app/controller/serial_controller.dart';
+
+void main() {
+  WidgetsFlutterBinding.ensureInitialized();
+  runApp(GetMaterialApp(
+    home: First(),
+    theme: ThemeData.light(),
+    darkTheme: ThemeData.dark(),
+    themeMode: ThemeMode.system,
+    debugShowCheckedModeBanner: false,
+  ));
+}
+
+class First extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text("My Hardware Key Demo App"),
+      ),
+      body: Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            GetX<SerialController>(
+              init: SerialController(),
+              builder: (_) => Column(
+                children: [
+                  Text(_.logMessage),
+                  SizedBox(
+                    height: 16,
+                  ),
+                  Text(
+                    'Hardware Key Connected: ${_.hardwareKeyConnected.value.toString().toUpperCase()}',
+                    style: TextStyle(fontWeight: FontWeight.bold, fontSize: 20),
+                  ),
+                  SizedBox(
+                    height: 16,
+                  ),
+                  _.hardwareKeyConnected.value
+                      ? Column(
+                          children: [
+                            SizedBox(
+                              height: 32,
+                            ),
+                            Padding(
+                              padding:
+                                  const EdgeInsets.symmetric(horizontal: 32),
+                              child: TextFormField(
+                                controller: _.textController,
+                                keyboardType: TextInputType.text,
+                                validator: (value) => value.trim().isEmpty
+                                    ? 'Key required'
+                                    : null,
+                              ),
+                            ),
+                            RaisedButton(
+                              child: Text('Confirm'),
+                              onPressed: () async {
+                                var result = await _.validation();
+                                if (result) {
+                                  Get.to(Second());
+                                }
+                              },
+                            )
+                          ],
+                        )
+                      : Text(
+                          'Please insert your key to proceed!',
+                          style: TextStyle(
+                              fontWeight: FontWeight.bold, fontSize: 20),
+                        )
+                ],
+              ),
+            )
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+class Second extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('Second Page'),
+      ),
+      body: Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            Text(
+              'Second Page',
+              style: TextStyle(fontWeight: FontWeight.bold, fontSize: 20),
+            ),
+            Obx(() {
+              final key =
+                  Get.find<SerialController>().hardwareKeyConnected.value;
+              if (!key) {
+                Get.back();
+              }
+              return Text('Key : $key');
+            })
+          ],
+        ),
+      ),
+    );
+  }
+}