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 01:10:39 +08:00
parent fa8584a73f
commit 0a2fbac92a
767 changed files with 57658 additions and 0 deletions
@@ -0,0 +1,149 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_screenutil/flutter_screenutil.dart';
+import 'package:get/get.dart';
+import 'package:openim_common/openim_common.dart';
+
+class BottomSheetView extends StatelessWidget {
+  const BottomSheetView({
+    Key? key,
+    required this.items,
+    this.itemHeight,
+    this.textStyle,
+    this.mainAxisAlignment,
+    this.isOverlaySheet = false,
+    this.onCancel,
+  }) : super(key: key);
+  final List<SheetItem> items;
+  final double? itemHeight;
+  final TextStyle? textStyle;
+  final MainAxisAlignment? mainAxisAlignment;
+  final bool isOverlaySheet;
+  final Function()? onCancel;
+
+  @override
+  Widget build(BuildContext context) {
+    return SafeArea(
+      child: Container(
+        padding: EdgeInsets.symmetric(horizontal: 10.w),
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.end,
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            Container(
+              decoration: BoxDecoration(
+                borderRadius: BorderRadius.circular(6.r),
+              ),
+              child: Column(
+                mainAxisSize: MainAxisSize.min,
+                children: items.map(_parseItem).toList(),
+              ),
+            ),
+            10.verticalSpace,
+            _itemBgView(
+              label: StrRes.cancel,
+              onTap: isOverlaySheet ? onCancel : () => Get.back(),
+              borderRadius: BorderRadius.circular(6.r),
+              alignment: MainAxisAlignment.center,
+            ),
+            10.verticalSpace,
+          ],
+        ),
+      ),
+    );
+  }
+
+  Widget _parseItem(SheetItem item) {
+    BorderRadius? borderRadius;
+    int length = items.length;
+    bool isLast = items.indexOf(item) == items.length - 1;
+    bool isFirst = items.indexOf(item) == 0;
+    if (length == 1) {
+      borderRadius = item.borderRadius ?? BorderRadius.circular(6.r);
+    } else {
+      borderRadius = item.borderRadius ??
+          BorderRadius.only(
+            topLeft: isFirst ? Radius.circular(6.r) : Radius.zero,
+            topRight: isFirst ? Radius.circular(6.r) : Radius.zero,
+            bottomLeft: isLast ? Radius.circular(6.r) : Radius.zero,
+            bottomRight: isLast ? Radius.circular(6.r) : Radius.zero,
+          );
+    }
+    return _itemBgView(
+        label: item.label,
+        textStyle: item.textStyle,
+        icon: item.icon,
+        alignment: item.alignment,
+        line: !isLast,
+        borderRadius: borderRadius,
+        onTap: () {
+          if (!isOverlaySheet) Get.back(result: item.result);
+          item.onTap?.call();
+        });
+  }
+
+  Widget _itemBgView({
+    required String label,
+    String? icon,
+    Function()? onTap,
+    BorderRadius? borderRadius,
+    TextStyle? textStyle,
+    MainAxisAlignment? alignment,
+    bool line = false,
+  }) =>
+      Ink(
+        decoration: BoxDecoration(
+          color: Styles.c_FFFFFF,
+          borderRadius: borderRadius,
+        ),
+        child: InkWell(
+          onTap: onTap,
+          child: Container(
+            decoration: line
+                ? BoxDecoration(
+                    border: BorderDirectional(
+                      bottom: BorderSide(color: Styles.c_E8EAEF, width: 0.5),
+                    ),
+                  )
+                : null,
+            height: itemHeight ?? 56.h,
+            child: Row(
+              mainAxisAlignment:
+                  alignment ?? mainAxisAlignment ?? MainAxisAlignment.center,
+              children: [
+                if (null != icon) 10.horizontalSpace,
+                if (null != icon) _image(icon),
+                if (null != icon) 5.horizontalSpace,
+                _text(label, textStyle),
+              ],
+            ),
+          ),
+        ),
+      );
+
+  _text(String label, TextStyle? style) =>
+      label.toText..style = (style ?? textStyle ?? Styles.ts_0C1C33_17sp);
+
+  _image(String icon) => icon.toImage
+    ..width = 24.w
+    ..height = 24.h;
+}
+
+class SheetItem {
+  final String label;
+  final TextStyle? textStyle;
+  final String? icon;
+  final Function()? onTap;
+  final BorderRadius? borderRadius;
+  final MainAxisAlignment? alignment;
+  final dynamic result;
+
+  SheetItem({
+    required this.label,
+    this.textStyle,
+    this.icon,
+    this.onTap,
+    this.borderRadius,
+    this.alignment,
+    this.result,
+  });
+}