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+# Flutter三方库适配指导文档
+
+## 仓库介绍
+
+该仓库基于https://github.com/fluttercommunity/plus_plugins适配OpenHarmony，以package_info_plus-v4.2.0为例。
+
+### 一、安卓平台查看效果
+
+首先，我们需要将三方库中example的安卓样例运行起来，以package_info_plus为例，可以看到，此插件是用来获取应用包的相关信息的。
+
+![image-20240124104027229](https://gitee.com/OpenHarmony-SIG/flutter_plus_plugins/raw/master/img_storage/%E5%AE%89%E5%8D%93%E6%95%88%E6%9E%9C.png)
+
+​
+
+### 二、OpenHarmony适配三方插件
+
+#### 1、添加ohos模块
+
+在三方插件（package_info_plus为例）中添加ohos模块，可直接复制此模块，ohos模块结构如下，与android和ios在同一级下。
+
+![添加ohos模块](https://gitee.com/OpenHarmony-SIG/flutter_plus_plugins/raw/master/img_storage/%E6%B7%BB%E5%8A%A0ohos%E6%A8%A1%E5%9D%97.png)
+
+#### 2、三方插件目录结构参考
+
+插件目录结构可以参考安卓，写在ohos下面的`src > main > ets`下。
+
+![代码结构](https://gitee.com/OpenHarmony-SIG/flutter_plus_plugins/raw/master/img_storage/%E7%9B%AE%E5%BD%95%E7%BB%93%E6%9E%84%E5%AF%B9%E6%AF%94.png)
+
+#### 3、代码适配
+
+代码参考安卓代码逻辑，转化为**arkts**代码，ohos的api可以参考https://docs.openharmony.cn/pages/v4.0/zh-cn/application-dev/reference/apis/development-intro.md/
+
+#### 4、配置文件修改
+
+1.build-profile.json5
+
+路径：`file:/package_info_plus/package_info_plus/ohos/build-profile.json5`
+
+```
+{
+  "app": {
+    "signingConfigs": [],
+    "products": [
+      {
+        "name": "default",
+        "signingConfig": "default",
+        "compileSdkVersion": "4.1.0(11)",        // 以api11为例
+        "compatibleSdkVersion": "4.1.0(11)",
+        "runtimeOS": "HarmonyOS",
+      }
+    ],
+    "buildModeSet": [
+      {
+        "name": "debug",
+      },
+      {
+        "name": "release"
+      }
+    ]
+  },
+  "modules": [
+    {
+      "name": "packageInfoPlus",
+      "srcPath": "./packageInfoPlus"
+    }
+  ]
+}
+```
+
+2.index.ets
+
+路径：`file://package_info_plus/package_info_plus/ohos/packageInfoPlus/index.ets`
+
+说明：将三方插件PackageInfoPlugin导出。
+
+```
+import {PackageInfoPlugin} from './src/main/ets/dev/fluttercommunity/plus/packageinfo/PackageInfoPlugin';
+export default PackageInfoPlugin;
+```
+
+3.module.json5
+
+路径：`file://package_info_plus/package_info_plus/ohos/packageInfoPlus/src/main/module.json5`
+
+说明：包名和打包类型。
+
+```
+{
+  "module": {
+    "name": "packageInfoPlus",
+    "type": "har",
+    "deviceTypes": [
+      "default",
+    ]
+  }
+}
+```
+
+#### 5、打har包
+
+写完代码，改完配置文件后，即可打har包：
+
+打包工具：DevEco Studio
+
+打包步骤：1、鼠标定位到packageInfoPlus目录；2、点击DevEco Studio中的Build；3、点击Make Module 'packageInfoPlus'选项；4、等待打包完成。
+
+![打har包 ](https://gitee.com/OpenHarmony-SIG/flutter_plus_plugins/raw/master/img_storage/%E6%89%93har%E5%8C%85%20.png)
+
+预期结果：
+
+在`packageInfoPlus > build > outputs > default`中有packageInfoPlus.har生成，即为打har包成功。
+
+![打har包成功 ](https://gitee.com/OpenHarmony-SIG/flutter_plus_plugins/raw/master/img_storage/%E6%89%93har%E5%8C%85%E6%88%90%E5%8A%9F.png)
+
+
+
+### 三、example中添加ohos平台使用样例
+
+需要在examples目录下添加ohos平台使用样例
+
+#### 1、修改pubspec.yaml文件
+
+有两处pubspec.yaml文件文件需要修改；
+
+**修改路径1：**`file:/package_info_plus/package_info_plus/pubspec.yaml`
+
+```
+//在flutter.plugin.platforms下添加ohos模块
+flutter:
+  plugin:
+    platforms:
+      ohos:
+        package: dev.fluttercommunity.plus.packageinfo
+        pluginClass: PackageInfoPlugin
+```
+
+![修改pubspec1.yaml](https://gitee.com/OpenHarmony-SIG/flutter_plus_plugins/raw/master/img_storage/%E4%BF%AE%E6%94%B9pubspec1.yaml.png)
+
+**修改路径2：**`file:/package_info_plus/package_info_plus/example/pubspec.yaml`
+
+```
+// 将dependencies下的package_info_plus：修改为path: ../，目的是引用本地插件
+dependencies:
+  flutter:
+    sdk: flutter
+  http: ">=0.13.5 <2.0.0"
+  package_info_plus:
+    path: ../
+```
+
+![修改pubspec2.yaml](https://gitee.com/OpenHarmony-SIG/flutter_plus_plugins/raw/master/img_storage/%E4%BF%AE%E6%94%B9pubspec2.yaml.png)
+
+#### 2、在example中添加ohos模块
+
+在example目录下，通过命令`flutter create --platforms ohos .` ，添加ohos模块，生成代码如下图所示：
+
+![example中的ohos](https://gitee.com/OpenHarmony-SIG/flutter_plus_plugins/raw/master/img_storage/example%E4%B8%AD%E7%9A%84ohos.png)
+
+
+
+
+
+
+
+### 四、打包验证
+
+#### 1、签名
+
+用 `Deveco Studio` 打开三方库的 `example > ohos` 目录；
+
+单击 `File > Project Structure > Project > Signing Configs` 界面勾选 `Automatically generate signature`，等待自动签名完成即可，单击 `OK`；
+
+你也可以使用 [签名工具](https://gitee.com/openharmony/developtools_hapsigner) 签名，可参考https://gitee.com/openharmony-sig/flutter_flutter中的环境配置中第四步，配置签名。
+
+![image-20240122151304602](https://gitee.com/OpenHarmony-SIG/flutter_plus_plugins/raw/master/img_storage/%E7%AD%BE%E5%90%8D.png)
+
+#### 2、运行
+
+cd到`example > ohos`目录，使用下列指令运行
+
+```
+flutter run --local-engine=<flutter_engine out path>
+```
+
+**运行成功效果如下：**
+
+![效果](https://gitee.com/OpenHarmony-SIG/flutter_plus_plugins/raw/master/img_storage/%E6%95%88%E6%9E%9C.png)
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