feat(mobile-next): 导入官方 openim-flutter-demo 固定基线 3.8.3-patch.3 并完成双构建

- 上游: github.com/OpenIMSDK/openim-flutter-demo tag 3.8.3-patch.3 commit b3dfdb1e8aaeaaf6f0793e10cadd20d5c184a31f - 并行目录 mobile-next/ 原样导入（含 LICENSE），不覆盖现网 mobile/ - 锁定 Flutter 3.24.5 / Dart 3.5.4 / JDK 17 / Gradle 7.6.3 / AGP 7.3.1 - 实测 Android debug 与 release 构建均成功（见 docs/mobile-next-baseline-import.md） - 本提交可单独回退：git revert 1db1229（重写前） Co-authored-by: multica-agent <github@multica.ai>
2026-08-19 15:24:33 +08:00
parent fa8584a73f
commit 8046ec7483
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+import 'dart:ui';
+
+import 'package:get/get.dart';
+import 'package:openim_common/openim_common.dart';
+
+class LanguageSetupLogic extends GetxController {
+  final isFollowSystem = false.obs;
+  final isChinese = false.obs;
+  final isEnglish = false.obs;
+
+  @override
+  void onInit() {
+    _initLanguageSetting();
+    super.onInit();
+  }
+
+  void _initLanguageSetting() {
+    var language = DataSp.getLanguage() ?? 0;
+    switch (language) {
+      case 1:
+        isFollowSystem.value = false;
+        isChinese.value = true;
+        isEnglish.value = false;
+        break;
+      case 2:
+        isFollowSystem.value = false;
+        isChinese.value = false;
+        isEnglish.value = true;
+        break;
+      default:
+        isFollowSystem.value = true;
+        isChinese.value = false;
+        isEnglish.value = false;
+        break;
+    }
+  }
+
+  void switchLanguage(index) async {
+    await DataSp.putLanguage(index);
+    switch (index) {
+      case 1:
+        isFollowSystem.value = false;
+        isChinese.value = true;
+        isEnglish.value = false;
+        Get.updateLocale(const Locale('zh', 'CN'));
+        break;
+      case 2:
+        isFollowSystem.value = false;
+        isChinese.value = false;
+        isEnglish.value = true;
+        Get.updateLocale(const Locale('en', 'US'));
+        break;
+      default:
+        isFollowSystem.value = true;
+        isChinese.value = false;
+        isEnglish.value = false;
+        Get.updateLocale(window.locale);
+        break;
+    }
+  }
+}