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@ohmi/picker

React Native Picker for iOS, Android, macOS, and Windows

latest
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npmnpm
Version
2.6.3-rc.2
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模板版本:v0.2.2

@ohmi/react-native-picker

安装与使用

进入到工程目录并输入以下命令:

npm

npm install @ohmi/react-native-picker

yarn

yarn add @ohmi/react-native-picker

下面的代码展示了这个库的基本使用场景:

[!WARNING] 使用时 import 的库名不变。

import React from 'react';
import { View, Button } from 'react-native';
import Picker from 'react-native-picker';

const MyPicker = () => {
  let data = {
    pickerData:
      [{
        a: [
          {
            a1: [1, 2, 3, 4]
          },
          {
            a2: [5, 6, 7, 8]
          },
          {
            a3: [9, 10, 11, 12]
          }
        ]
      },
      {
        b: [
          {
            b1: [11, 22, 33, 44]
          },
          {
            b2: [55, 66, 77, 88]
          },
          {
            b3: [99, 1010, 1111, 1212]
          }
        ]
      },
      {
        c: [
          {
            c1: ['a', 'b', 'c']
          },
          {
            c2: ['aa', 'bb', 'cc']
          },
          {
            c3: ['aaa', 'bbb', 'ccc']
          }
        ]
      },],
    isLoop: false,
    selectedValue: ['b', 'b1', 22],
    onPickerConfirm: data => {
      console.log('onPickerConfirm:', data)
    },
    onPickerCancel: data => {
      console.log('onPickerCancel:', data);
    },
    onPickerSelect: data => {
      console.log('onPickerSelect:', data);
    }
  }
  return (
    <View>
      <Button title='initPicker' onPress={() => Picker.init(data)} />
      <Button title='showPicker' onPress={() => Picker.show()} />
    </View>
  );
};

export default MyPicker;

目前 HarmonyOS 暂不支持 AutoLink,所以 Link 步骤需要手动配置。

首先需要使用 DevEco Studio 打开项目里的 HarmonyOS 工程 harmony

1.在工程根目录的 oh-package.json5 添加 overrides 字段

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

2.引入原生端代码

目前有两种方法:

  • 通过 har 包引入(在 IDE 完善相关功能后该方法会被遗弃,目前首选此方法);
  • 直接链接源码。

方法一:通过 har 包引入(推荐)

[!TIP] har 包位于三方库安装路径的 harmony 文件夹下。

打开 entry/oh-package.json5,添加以下依赖

"dependencies": {
    "@rnoh/react-native-openharmony": "file:../react_native_openharmony",
    "@ohmi/react-native-picker": "file:../../node_modules/@ohmi/react-native-picker/harmony/picker.har"
  }

点击右上角的 sync 按钮

或者在终端执行:

cd entry
ohpm install

方法二:直接链接源码

3.配置 CMakeLists 和引入 PickerPackage

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

project(rnapp)
cmake_minimum_required(VERSION 3.4.1)
set(CMAKE_SKIP_BUILD_RPATH TRUE)
set(RNOH_APP_DIR "${CMAKE_CURRENT_SOURCE_DIR}")
set(NODE_MODULES "${CMAKE_CURRENT_SOURCE_DIR}/../../../../../node_modules")
+ set(OH_MODULES "${CMAKE_CURRENT_SOURCE_DIR}/../../../oh_modules")
set(RNOH_CPP_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../../../../../../react-native-harmony/harmony/cpp")
set(LOG_VERBOSITY_LEVEL 1)
set(CMAKE_ASM_FLAGS "-Wno-error=unused-command-line-argument -Qunused-arguments")
set(CMAKE_CXX_FLAGS "-fstack-protector-strong -Wl,-z,relro,-z,now,-z,noexecstack -s -fPIE -pie")
set(WITH_HITRACE_SYSTRACE 1) # for other CMakeLists.txt files to use
add_compile_definitions(WITH_HITRACE_SYSTRACE)

add_subdirectory("${RNOH_CPP_DIR}" ./rn)

# RNOH_BEGIN: manual_package_linking_1
add_subdirectory("../../../../sample_package/src/main/cpp" ./sample-package)
+ add_subdirectory("${OH_MODULES}/@ohmi/react-native-picker/src/main/cpp" ./picker)
# RNOH_END: manual_package_linking_1

file(GLOB GENERATED_CPP_FILES "./generated/*.cpp")

add_library(rnoh_app SHARED
    ${GENERATED_CPP_FILES}
    "./PackageProvider.cpp"
    "${RNOH_CPP_DIR}/RNOHAppNapiBridge.cpp"
)
target_link_libraries(rnoh_app PUBLIC rnoh)

# RNOH_BEGIN: manual_package_linking_2
target_link_libraries(rnoh_app PUBLIC rnoh_sample_package)
+ target_link_libraries(rnoh_app PUBLIC rnoh_native_picker)
# RNOH_END: manual_package_linking_2

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

#include "RNOH/PackageProvider.h"
#include "generated/RNOHGeneratedPackage.h"
#include "SamplePackage.h"
+ #include "PickerPackage.h"

using namespace rnoh;

std::vector<std::shared_ptr<Package>> PackageProvider::getPackages(Package::Context ctx) {
    return {
        std::make_shared<RNOHGeneratedPackage>(ctx),
        std::make_shared<SamplePackage>(ctx),
+       std::make_shared<PickerPackage>(ctx),
    };
}

4.在 ArkTs 侧引入 PickerViewPackage

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

  ...
+ import { PickerViewPackage } from "@ohmi/react-native-picker/ts"

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

5.运行

点击右上角的 sync 按钮

或者在终端执行:

cd entry
ohpm install

然后编译、运行即可。

约束与限制

兼容性

要使用此库,需要使用正确的 React-Native 和 RNOH 版本。另外,还需要使用配套的 DevEco Studio 和 手机 ROM。

请到三方库相应的 Releases 发布地址查看 Release 配套的版本信息:@react-native-oh-tpl/react-native-picker Releases

属性

[!TIP] "Platform"列表示该属性在原三方库上支持的平台。

[!TIP] "HarmonyOS Support"列为 yes 表示 HarmonyOS 平台支持该属性;no 则表示不支持;partially 表示部分支持。使用方法跨平台一致,效果对标 iOS 或 Android 的效果。

NameDescriptionTypeRequiredPlatformHarmonyOS Support
isLoop列的内容是否可以循环booleanyesAndroidyes
pickerTextEllipsisLen文本的起始省略长度numberyesAndroidno
pickerConfirmBtnText确认按钮的文本内容stringyesiOS/Androidyes
pickerCancelBtnText取消按钮的文本内容stringyesiOS/Androidyes
pickerTitleText顶部标题的文本内容stringyesiOS/Androidyes
pickerConfirmBtnColor确认按钮的字体颜色arrayyesiOS/Androidyes
pickerCancelBtnColor取消按钮的字体颜色arrayyesiOS/Androidyes
pickerTitleColor顶部标题的字体颜色arrayyesiOS/Androidyes
pickerToolBarBg顶部ToolBar的背景色arrayyesiOS/Androidyes
pickerBgpicker的背景色arrayyesiOS/Androidyes
pickerToolBarFontSize顶部ToolBar文本的字体大小numberyesiOS/Androidyes
wheelFlexpicker每一列所占的比例arrayyesiOS/Androidno
pickerFontSizepicker选择器字体内容的大小numberyesiOS/Androidyes
pickerFontColorpicker选择器的字体颜色arrayyesiOS/Androidyes
pickerFontFamilypicker选择器的字体样式stringnoiOS/Androidno
pickerRowHeightpicker选择器的行高numberyesiOSyes
pickerDatapicker选择器所填充的数据arraynoiOS/Androidyes
selectedValuepicker选择器所选的默认值arraynoiOS/Androidyes
onPickerConfirm点击确认按钮触发的回调函数functionnoiOS/Androidyes
onPickerCancel点击取消按钮触发的回调函数functionnoiOS/Androidyes
onPickerSelect当picker的选择内容发生改变时触发的回调函数functionnoiOS/Androidyes

静态方法

[!TIP] "Platform"列表示该属性在原三方库上支持的平台。

[!TIP] "HarmonyOS Support"列为 yes 表示 HarmonyOS 平台支持该属性;no 则表示不支持;partially 表示部分支持。使用方法跨平台一致,效果对标 iOS 或 Android 的效果。

NameDescriptionTypeRequiredPlatformHarmonyOS Support
initinit and pass parameters to pickerfunctionnoiOS/Androidyes
toggleshow or hide pickerfunctionnoiOS/Androidyes
showshow pickerfunctionnoiOS/Androidyes
hidehide pickerfunctionnoiOS/Androidyes
selectselect a rowfunctionnoiOS/Androidyes
isPickerShowget status of picker, return a booleanfunctionnoiOS/Androidyes

遗留问题

  • 当前picker是使用的TextPicker实现,TextPicker并未提供每列设置宽度的方法,因此暂不能支持wheelFlex。issue#6
  • 当前TextPicker的字体设置目前只支持大小和字体粗细,不支持pickerFontFamily。issue#7

其他

开源协议

本项目基于 The MIT License (MIT) ,请自由地享受和参与开源。

Keywords

react-native

FAQs

Package last updated on 28 Aug 2025

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