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@bingtang-rn/react-native-dropdown

v0.0.6

Published

适配鸿蒙版本,提供react_native_dropdown组件。

Readme

@bingtang-rn/react-native-dropdown for HarmonyOS

本项目基于 react-native-dropdown 开发,为 React Native 鸿蒙(OpenHarmony)适配版本。如果在使用过程中有任何问题,可以在GitCode提Issue,会及时跟进。issue地址:issues

版本对应关系

| 鸿蒙适配包版本 | 原始库版本 | 支持 RN 版本 | Autolink | 编译 API 版本 | | ------------ | ---------- | ------------ | -------- | ------------- | | 0.0.6 | 0.0.6 | 0.72+ | 否(js-only) | API17+ |

安装

npm install @bingtang-rn/react-native-dropdown

使用

import { Select, Option, OptionList, updatePosition } from 'react-native-dropdown';

// Basic usage
const optionListRef = useRef(null);

<Select
  width={200}
  height={40}
  optionListRef={() => optionListRef.current}
  onSelect={(value) => console.log('Selected:', value)}
  defaultValue="Option A"
>
  <Option>Option A</Option>
  <Option>Option B</Option>
  <Option>Option C</Option>
</Select>

<OptionList ref={optionListRef} />

import 时使用原库名 'react-native-dropdown',而非鸿蒙包名。

平台差异

  • HarmonyOS 上 UIManager.measure 不可用(Fabric 模式限制),已替换为 ref.current.measure() 获取组件绝对坐标,功能对等。
  • updatePosition() 函数在 HarmonyOS 上使用 ref.current.measure() 替代 UIManager.measure,行为一致。

权限要求

  • 无需任何权限声明。

Link

| 版本 | 是否支持 Autolink | |------|------------------| | 当前版本 | 否(js-only 库,无需原生注册) |

如使用版本支持 Autolink 且工程已接入,可跳过手动配置。

说明:本模块需要同时在 C++ 侧和 ETS 侧注册 Package。

1. Overrides RN SDK

在工程根目录 oh-package.json5 添加:

{
  "overrides": {
    "@rnoh/react-native-openharmony": "./react_native_openharmony"
  }
}

2. 引入原生端依赖

打开 entry/oh-package.json5,添加:

"dependencies": {
  "@bingtang-rn/react-native-dropdown": "file:../../node_modules/@bingtang-rn/react-native-dropdown/harmony/dropdown.har"
}

执行 ohpm install

3. 配置 CMakeLists

打开 entry/src/main/cpp/CMakeLists.txt,添加:

set(OH_MODULES "${CMAKE_CURRENT_SOURCE_DIR}/../../../oh_modules")

add_subdirectory("${OH_MODULES}/@bingtang-rn/react-native-dropdown/src/main/cpp" ./dropdown)

target_link_libraries(rnoh_app PUBLIC dropdown)

4. 注册 Package(C++ 侧)

打开 entry/src/main/cpp/PackageProvider.cpp,添加:

#include "DropdownPackage.h"

std::vector<std::shared_ptr<Package>> PackageProvider::getPackages(Package::Context ctx) {
    return {
        std::make_shared<DropdownPackage>(ctx),
    };
}

5. 注册 Package(ETS 侧)

打开 entry/src/main/ets/RNPackagesFactory.ets,添加:

import { DropdownPackage } from '@bingtang-rn/react-native-dropdown/ts';

export function createRNPackages(ctx: RNPackageContext): RNPackage[] {
  return [
    new DropdownPackage(ctx),
  ];
}

属性 / API

| API | 描述 | 参数 | 返回值 | HarmonyOS 支持 | |-----|------|------|--------|----------------| | Select | 下拉选择组件 | width, height, optionListRef, onSelect, defaultValue, placeholder, style, styleOption, styleText, optionListProps, value | — | ✅ 完全支持 | | Select.reset() | 重置选择为默认值 | — | void | ✅ 完全支持 | | Select.show() | 编程式打开下拉列表 | — | void | ✅ 完全支持 | | Option | 选项组件 | style, styleText, value, children | — | ✅ 完全支持 | | OptionList | 选项列表浮层组件 | customScrollViewComp | — | ✅ 完全支持 | | updatePosition | 获取组件位置 | ref, debug? | void | ✅ 完全支持 |

平台差异

  • updatePosition:原库使用 UIManager.measure + findNodeHandle,HarmonyOS Fabric 模式不支持,已替换为 ref.current.measure(),功能对等(均返回 pageX/pageY 绝对坐标)。

未实现功能

使用限制

  • OptionList 组件须渲染在与 Select 同级的根层级,以支持绝对定位的浮层效果。
  • 原库代码极旧(RN 0.10 时代),本适配版已将废弃 API(componentWillReceiveProps、字符串 ref、PropTypes)迁移为现代写法。

快速验证(运行 Example)

前置条件

| 依赖 | 版本要求 | |------|----------| | Node.js | >= 18 | | DevEco Studio | 5.0+ / 6.0+ | | HarmonyOS SDK | API 17+ |

运行步骤

1. 克隆仓库

git clone <仓库地址>
cd <仓库目录>

2. 安装依赖并构建

npm install --legacy-peer-deps
npm pack           # 生成 tgz 包(会自动触发 prepare 构建 JS 产物)

3. 进入 example 目录,安装依赖

cd example
npm install --legacy-peer-deps

4. 生成 JS Bundle

npm run dev

产物:harmony/entry/src/main/resources/rawfile/bundle.harmony.js

5. 用 DevEco Studio 打开鸿蒙工程

  • 打开 DevEco Studio
  • 选择 example/harmony 目录
  • 等待 Sync 完成

6. 编译并运行 HAP

在 DevEco Studio 中点击运行按钮,将 HAP 安装到设备/模拟器。

注意:Example 中已预置插件依赖和 Package 注册,无需手动配置 Link。

约束与限制

兼容性

  • RNOH: 0.72+
  • HarmonyOS SDK: API 17+
  • DevEco Studio: 5.0+

遗留问题

无(或列出已知问题)

开源协议

本项目基于 MIT,详见 LICENSE 文件。