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
767 changed files with 57658 additions and 0 deletions
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+import 'dart:async';
+import 'dart:io';
+
+import 'package:flutter/services.dart';
+
+class FlutterOpenimLiveAlert {
+  static const MethodChannel _channel = MethodChannel('flutter_openim_live_alert');
+
+  static Future? showLiveAlert({String? title, String? rejectText, String? acceptText}) async {
+    if (Platform.isAndroid) {
+      return _channel.invokeMethod('showLiveAlert', {
+        'title': title,
+        'rejectText': rejectText,
+        'acceptText': acceptText,
+      });
+    }
+    return null;
+  }
+
+  static Future? closeLiveAlert() async {
+    if (Platform.isAndroid) {
+      return _channel.invokeMethod('closeLiveAlert');
+    }
+    return null;
+  }
+
+  static Future? closeLiveAlertAndMoveTaskToFront({
+    String? activityName,
+    String? packageName,
+  }) async {
+    if (Platform.isAndroid) {
+      return _channel.invokeMethod('closeLiveAlertAndMoveTaskToFront', {
+        'activityName': activityName,
+        'packageName': packageName,
+      });
+    }
+    return null;
+  }
+
+  static buttonEvent({
+    Function()? onReject,
+    Function()? onAccept,
+    String? activityName,
+  }) {
+    if (Platform.isAndroid) {
+      _channel.setMethodCallHandler((call) async {
+        switch (call.method) {
+          case 'reject':
+            onReject?.call();
+            closeLiveAlert();
+            break;
+          case 'accept':
+            onAccept?.call();
+            closeLiveAlertAndMoveTaskToFront(
+              activityName: activityName,
+            );
+            break;
+        }
+        return null;
+      });
+    }
+  }
+}