基本信息

---

下载

   友情提示：（无需注册或充值，赞助后即可获取资源下载链接）

---

     嘿，亲！知识可是无价之宝呢，但咱这精心整理的资料也耗费了不少心血呀。小小地破费一下，绝对物超所值哦！如有下载和支付问题，请联系我们QQ(微信同号)：813200300

本次赞助数额为： 2 元　

支付宝支付

微信支付

   源码介绍

---

package com.example.ai.recognition.activity;

import android.content.Intent;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.text.TextUtils;
import android.view.View;
import android.widget.CheckBox;
import android.widget.ImageView;
import android.widget.RadioGroup;
import android.widget.TextView;
import android.widget.Toast;

import com.google.gson.reflect.TypeToken;
import com.example.ai.recognition.R;
import com.example.ai.recognition.face.baidu.utils.GsonUtils;
import com.example.ai.recognition.face.baidu.v3.FaceRecognitionManager;
import com.example.ai.recognition.face.baidu.v3.Result;
import com.example.ai.recognition.utils.SimpleLog;

import org.json.JSONObject;

import java.io.File;
import java.io.UnsupportedEncodingException;
import java.util.HashMap;

import io.reactivex.Observable;
import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.functions.Consumer;
import io.reactivex.schedulers.Schedulers;


public class RecognitionActivity extends AppCompatActivity {
    SimpleLog log = new SimpleLog("yy");
    static final TypeToken<HashMap<String, Object>> mapToken = new TypeToken<HashMap<String, Object>>() {};
    final int TAKE_PHOTO_CODE = 111;
    final int TAKE_LOCALFILE_CODE = 112;
    RadioGroup livesRadioGroup, qualityRadioGroup;
    CheckBox ck_multi;
    ImageView imageview;
    TextView tv_message;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_recognition);
        livesRadioGroup = findViewById(R.id.livesRadioGroup);
        qualityRadioGroup = findViewById(R.id.qualityRadioGroup);
        ck_multi = findViewById(R.id.ck_multi);
        tv_message = findViewById(R.id.tv_message);
//        tv_userid = findViewById(R.id.tv_userid);
//        tv_userinfo = findViewById(R.id.tv_userinfo);
//        tv_score = findViewById(R.id.tv_score);
        imageview = findViewById(R.id.imageview);
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
        log.d("onActivityResult requestCode = "   requestCode   ",resultCode = "   resultCode);
        switch (requestCode) {
            case TAKE_PHOTO_CODE:
                if (resultCode == RESULT_OK) {
                    Bitmap bitmap = (Bitmap) data.getExtras().get("data");
                    imageview.setImageBitmap(bitmap);
                    recognition(bitmap);
                } else if (resultCode == RESULT_CANCELED) {
                    log.d("用户取消了拍照");
                }
                break;
            case TAKE_LOCALFILE_CODE:
                if (resultCode == RESULT_OK) {
                    try {
                        Uri selectedImage = data.getData(); //获取系统返回的照片的Uri
                        String[] filePathColumn = {MediaStore.Images.Media.DATA};
                        Cursor cursor = getContentResolver().query(selectedImage,
                                filePathColumn, null, null, null);//从系统表中查询指定Uri对应的照片
                        cursor.moveToFirst();
                        int columnIndex = cursor.getColumnIndex(filePathColumn[0]);
                        String path = cursor.getString(columnIndex);  //获取照片路径
                        cursor.close();
                        Bitmap bitmap = BitmapFactory.decodeFile(path);
                        imageview.setImageBitmap(bitmap);
                        recognition(path);
                    } catch (Exception e) {
                        // TODO Auto-generatedcatch block
                        e.printStackTrace();
                    }
                } else if (resultCode == RESULT_CANCELED) {
                    log.d("用户取消了相册选择");
                }
                break;
        }
    }

    /**
     * 拍照识别按钮响应
     *
     * @param view
     */
    public void takePhoto(View view) {
        if (TextUtils.isEmpty(FaceRecognitionManager.getInstance().getAccessToken())) {
            showToat("尚未获取到AccessToken");
            return;
        }
        Intent openCameraIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); //系统常量， 启动相机的关键
        openCameraIntent.putExtra("camerasensortype", 1); // 调用前置摄像头 ,红米Note 5
//      openCameraIntent.putExtra("autofocus", true); // 自动对焦
//      openCameraIntent.putExtra("fullScreen", false); // 全屏
//      openCameraIntent.putExtra("showActionIcons", false);
        startActivityForResult(openCameraIntent, TAKE_PHOTO_CODE); // 参数常量为自定义的request code, 在取返回结果时有用
    }

    /**
     * 测试，从本地直接读取图片
     *
     * @param view
     */
    public void takefile(View view) {
        if (TextUtils.isEmpty(FaceRecognitionManager.getInstance().getAccessToken())) {
            showToat("尚未获取到AccessToken");
            return;
        }
//        String path = "/mnt/sdcard/ytest/yjz.jpg";
//        recognition(path);
        //在这里跳转到手机系统相册里面
        Intent intent = new Intent(Intent.ACTION_PICK, MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
        startActivityForResult(intent, TAKE_LOCALFILE_CODE);
    }


    public void test(View view) {
        if (TextUtils.isEmpty(FaceRecognitionManager.getInstance().getAccessToken())) {
            showToat("尚未获取到AccessToken");
            return;
        }
        File f = new File("/mnt/sdcard/ytest/4ren.jpg");
        log.d("文件是否存在:"   f.exists());
        recognition("/mnt/sdcard/ytest/4ren.jpg");
    }
    /**
     * 识别
     *
     * @param bitmap
     */
    private void recognition(Bitmap bitmap) {
        tv_message.setText("");
        String groupid = FaceRecognitionManager.getInstance().getGroupid();
        log.d("尝试识别 groupid ="   groupid   ",getQualityControl ="   getQualityControl()   ",getLivesControl ="   getLivesControl()   ",bitmap.getByteCount ="   bitmap.getByteCount()   ",ck_multi.isChecked()："  ck_multi.isChecked());

        Observable<Result> observable = null;
        if (ck_multi.isChecked()) {
            log.d("多人识别");
            try {
                observable = FaceRecognitionManager.getInstance().searchMultiUser(bitmap, groupid, getQualityControl(), getLivesControl());
            } catch (UnsupportedEncodingException e) {
                e.printStackTrace();
                return;
            }
        } else {
            log.d("单人识别");
            observable = FaceRecognitionManager.getInstance().searchUserByBitmap(bitmap, groupid, getQualityControl(), getLivesControl());
        }
        observable.subscribeOn(Schedulers.newThread())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(new Consumer<Result>() {
                    @Override
                    public void accept(Result result) throws Exception {
                        if (result.isSuccess()) {
//                            JSONObject obj = result.getResult();
//                            String user = obj.getJSONArray("user_list").getString(0);
//                            HashMap<String, Object> map = GsonUtils.fromJson(user, mapToken.getType());
//                            tv_userid.setText(map.get("user_id").toString());
//                            tv_userinfo.setText(map.get("user_info").toString());
//                            tv_score.setText(map.get("score").toString());
//                            tv_message.setText(result.getResponse());
                        } else {
                            showToat("code:"   result.getCode()   ",msg:"   result.getErrorMsg());
                        }
                        tv_message.setText(result.getResponse());
                    }
                }, new Consumer<Throwable>() {
                    @Override
                    public void accept(Throwable throwable) throws Exception {
                        throwable.printStackTrace();
                        showToat("异常错误");
                    }
                });
    }

    private void recognition(String imgeFilePath) {
        tv_message.setText("");
        final long start = System.currentTimeMillis();
        String groupid = FaceRecognitionManager.getInstance().getGroupid();
        log.d("尝试识别 groupid ="   groupid   ",imgeFilePath="   imgeFilePath   ",getQualityControl ="   getQualityControl()   ",getLivesControl ="   getLivesControl());
        Observable<Result> observable = null;
        if (ck_multi.isChecked()) {
            log.d("多人识别");
            try {
                observable = FaceRecognitionManager.getInstance().searchMultiUser(imgeFilePath, groupid, getQualityControl(), getLivesControl());
            } catch (UnsupportedEncodingException e) {
                e.printStackTrace();
                return;
            }
        } else {
            log.d("单人识别");
            observable = FaceRecognitionManager.getInstance().searchUserByImageFile(imgeFilePath, groupid, getQualityControl(), getLivesControl());
        }
        observable.subscribeOn(Schedulers.newThread())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(new Consumer<Result>() {
                    @Override
                    public void accept(Result result) throws Exception {
                        if (result.isSuccess()) {
//                            JSONObject obj = result.getResult();
//                            String user = obj.getJSONArray("user_list").getString(0);
//                            HashMap<String, Object> map = GsonUtils.fromJson(user, mapToken.getType());
//                            tv_userid.setText(map.get("user_id").toString());
//                            tv_userinfo.setText(map.get("user_info").toString());
//                            tv_score.setText(map.get("score").toString());
                        } else {
                            showToat("code:"   result.getCode()   ",msg:"   result.getErrorMsg());
                        }
                        tv_message.setText(result.getResponse());
                        log.d("耗时:" (System.currentTimeMillis() - start));
                    }
                }, new Consumer<Throwable>() {
                    @Override
                    public void accept(Throwable throwable) throws Exception {
                        throwable.printStackTrace();
                        showToat("异常错误");
                    }
                });
    }

    private void showToat(String msg) {
        Toast.makeText(this, msg, Toast.LENGTH_LONG).show();
        log.d(msg);
    }

    private String getLivesControl() {
        switch (livesRadioGroup.getCheckedRadioButtonId()) {
            case R.id.radio_lives_none:
                return "NONE";
            case R.id.radio_lives_low:
                return "LOW";
            case R.id.radio_lives_normal:
                return "NORMAL";
            case R.id.radio_lives_high:
                return "HIGH";
            default:
                return "NONE";
        }
    }

    private String getQualityControl() {
        switch (qualityRadioGroup.getCheckedRadioButtonId()) {
            case R.id.radio_lives_none:
                return "NONE";
            case R.id.radio_lives_low:
                return "LOW";
            case R.id.radio_lives_normal:
                return "NORMAL";
            case R.id.radio_lives_high:
                return "HIGH";
            default:
                return "NONE";
        }
    }
}