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A new Flutter plugin.

flutter_bdface_plugin #

A new Flutter plugin.

  • 百度人脸识别离线采集SDK封装。实现了Android和 Ios 两端使用。
  • 本插件基于百度离线采集SDK(SDK下载日期:2020-12-15)。
  • 实现过程参考了插件baidu_face_plugin。

Getting Started #

This project is a starting point for a Flutter plug-in package, a specialized package that includes platform-specific implementation code for Android and/or iOS.

For help getting started with Flutter, view our online documentation, which offers tutorials, samples, guidance on mobile development, and a full API reference.

一.安卓初始化和配置 #

1 . 在实际项目中增加入口 application class

FaceSDKManager.getInstance().initialize 传入自己申请到的授权文件(修改字符串miaomumu-face-android) demo代码

public class MainApplication extends FlutterApplication {
    @Override
    public void onCreate() {
        super.onCreate();
        initFacePlugin();
    }
    private void initFacePlugin() {
        // 初始化SDK
        FaceSDKManager.getInstance().initialize(this, "miaomumu-face-android",
                "idl-license.face-android", new IInitCallback() {
                    @Override
                    public void initSuccess() {
                        Log.e("baidu", "初始化成功");
                    }
                    @Override
                    public void initFailure(final int errCode, final String errMsg) {
                        Log.e("baidu", "初始化失败 = " + errCode + " " + errMsg);
                    }
                });
        // 随机动作
        Config.isLivenessRandom = true;
        // 根据需求添加活体动作
        Config.livenessList.clear();
        Config.livenessList.add(LivenessTypeEnum.Eye);
        // TODO test// Config.livenessList.add(LivenessTypeEnum.Mouth);//        Config.livenessList.add(LivenessTypeEnum.HeadUp);//        Config.livenessList.add(LivenessTypeEnum.HeadDown);//        Config.livenessList.add(LivenessTypeEnum.HeadLeft);//        Config.livenessList.add(LivenessTypeEnum.HeadRight);//        Config.livenessList.add(LivenessTypeEnum.HeadLeftOrRight);
        // 设置 FaceConfig
        FaceConfig config = FaceSDKManager.getInstance().getFaceConfig();
        // 设置可检测的最小人脸阈值
        config.setMinFaceSize(FaceEnvironment.VALUE_MIN_FACE_SIZE);
        // 设置可检测到人脸的阈值
        config.setNotFaceValue(FaceEnvironment.VALUE_NOT_FACE_THRESHOLD);
        // 设置模糊度阈值
        config.setBlurnessValue(FaceEnvironment.VALUE_BLURNESS);
        // 设置光照阈值(范围0-255)
        config.setBrightnessValue(FaceEnvironment.VALUE_BRIGHTNESS);
        // 设置遮挡阈值
        config.setOcclusionValue(FaceEnvironment.VALUE_OCCLUSION);
        // 设置人脸姿态角阈值
        config.setHeadPitchValue(FaceEnvironment.VALUE_HEAD_PITCH);
        config.setHeadYawValue(FaceEnvironment.VALUE_HEAD_YAW);
        // 设置闭眼阈值
        config.setEyeClosedValue(FaceEnvironment.VALUE_CLOSE_EYES);
        // 设置图片缓存数量
        config.setCacheImageNum(FaceEnvironment.VALUE_CACHE_IMAGE_NUM);
        // 设置活体动作,通过设置list,LivenessTypeEunm.Eye, LivenessTypeEunm.Mouth,
        // LivenessTypeEunm.HeadUp, LivenessTypeEunm.HeadDown, LivenessTypeEunm.HeadLeft,
        // LivenessTypeEunm.HeadRight, LivenessTypeEunm.HeadLeftOrRight
        config.setLivenessTypeList(Config.livenessList);
        // 设置动作活体是否随机
        config.setLivenessRandom(Config.isLivenessRandom);
        // 设置开启提示音
        config.setSound(true);
        // 原图缩放系数
        config.setScale(FaceEnvironment.VALUE_SCALE);
        // 抠图高的设定,为了保证好的抠图效果,我们要求高宽比是4:3,所以会在内部进行计算,只需要传入高即可
        config.setCropHeight(FaceEnvironment.VALUE_CROP_HEIGHT);
        // 加密类型,0:Base64加密,上传时image_sec传false;1:百度加密文件加密,上传时image_sec传true
        config.setSecType(FaceEnvironment.VALUE_SEC_TYPE);
        FaceSDKManager.getInstance().setFaceConfig(config);
        // 初始化资源文件
        FaceSDKResSettings.initializeResId();
    }}

2 .修改实际项目 AndroidManifest.xml 的入口application 节点添加android:name=".MainApplication"

二.IOS初始化和配置 #

导入项目资源文件。(下载demo中的 bundle, 图片文件,授权文件)

   if(Platform.isIOS){
      new FlutterBdfacePlugin().initIosSdk("xxx-face-ios");
    }

输入图片说明

调用方式同安卓,无需再进行其它配置

三.可能遇到的问题 #

    1. 与百度地图库冲突,如 com.baidu.a.a.a.a.a 错误。 删除flutter_bmfutils 依赖, 执行 flutter clean,重新 build.
    1. 安卓闪退问题,检查授权文件是否正确导入,SDK 是否初始化成功。目前 Android 只在 Application 中初始化。
    1. Android release 代码混淆问题 -keep class com.example.flutter_bdface_plugin.** {*;}

    输入图片说明

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A new Flutter plugin.

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