## 0. Environment Setup

*Prerequisite*: Configure HarmonyOS Flutter environment *Reference*: [HarmonyOS Flutter Environment Setup Guide](https://juejin.cn/post/7317214081261207603) *Note*: Downloading and compiling the engine is time-consuming. Pre-built engines are available upon request.

------

## 1. Obtain Original Plugin Code

``` git clone <original_plugin_repository> ```

------

## 2. Generate OHOS Directory

``` # Option 1: Direct generation (may fail) flutter create -t plugin --platforms ohos

# Option 2: Create demo project and copy flutter create -t plugin --platforms ohos demo cp -r demo/ohos ./ ```

------

## 3. Configure Local Dependency

Add local dependency in `pubspec.yaml`:

``` dependencies: your_plugin: path: ../path_to_plugin ```


## 4. Build Plugin Package

```bash flutter build hap \ --local-engine-src-path /path/to/ohos_flutter/src \ --local-engine ohos_release_arm64 ```

*Successful Output*:

```markdown √ Built build/hap/release/entry-release.hap (XX.XMB) ```

------

## 5. Verify Generated Files

After successful build:


## 6. Locate Plugin HAR Package

Plugin output directory:

```markdown your_plugin/ohos/build/outputs/ └── har └── your_plugin_ohos.har # Plugin package ```


## 7. Add HAR to Demo Project

Copy HAR to demo project:

bash

```bash cp your_plugin_ohos.har demo_portal/module/ohos/libs/ ```

------


## 8. Configure HAR Dependency


## 9. Initialize Plugin


## 10. Test Plugin Functionality



## 11. Develop Native Implementation

Follow these steps for native development:

1. Analyze existing iOS/Android native logic 2. Create HarmonyOS equivalent in `ohos/src/main/cpp/` 3. Implement platform interface:cpp