feat(flutter): 增加关键操作震动反馈

test/core/haptics_scan_test.dart

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+// Author: fruit.com.cn
+
+import 'dart:io';
+
+import 'package:flutter_test/flutter_test.dart';
+
+void main() {
+  test('should_keep_haptic_calls_inside_platform_wrapper', () {
+    final violations = <String>[];
+    for (final entity in Directory('lib').listSync(recursive: true)) {
+      if (entity is! File || !entity.path.endsWith('.dart')) continue;
+      if (entity.path.endsWith('lib/core/platform/haptics.dart')) continue;
+      final lines = entity.readAsLinesSync();
+      for (var index = 0; index < lines.length; index++) {
+        if (lines[index].contains('HapticFeedback.')) {
+          violations.add('${entity.path}:${index + 1}');
+        }
+      }
+    }
+
+    expect(violations, isEmpty, reason: violations.join('\n'));
+  });
+}

test/core/haptics_test.dart

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+// Author: fruit.com.cn
+
+import 'package:flutter/services.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:fruitshorts/core/platform/haptics.dart';
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+
+  test('should_ignore_platform_errors_when_haptics_are_unavailable', () async {
+    const channel = SystemChannels.platform;
+    final messenger =
+        TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger;
+    messenger.setMockMethodCallHandler(channel, (_) async {
+      throw PlatformException(code: 'unavailable');
+    });
+    addTearDown(() => messenger.setMockMethodCallHandler(channel, null));
+
+    const haptics = FlutterHaptics();
+    await expectLater(haptics.selectionClick(), completes);
+    await expectLater(haptics.lightImpact(), completes);
+    await expectLater(haptics.mediumImpact(), completes);
+  });
+}