android调用第三方库实现人脸识别

导包

 compile 'com.deep:face_deep:1.1'

权限

 <uses-permission android:name="android.permission.CAMERA" />
    <uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

    <uses-feature android:name="android.hardware.camera" />
    <uses-feature android:name="android.hardware.camera.autofocus" />

mainactivity.java

package com.chenwei.takephoto;

import android.content.Intent;
import android.database.Cursor;
import android.media.FaceDetector.Face;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.provider.MediaStore;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.TextView;

import java.io.File;

import deep.com.face_deep.AndroidDetectUtils;
import deep.com.face_deep.CheckCallback;

public class MainActivity extends AppCompatActivity {
private TextView res;
    private Handler handler = new Handler(){
        @Override
        public void handleMessage(Message msg) {
            super.handleMessage(msg);
            String s = (String) msg.obj;
            //Toast.makeText(this,"chenwi", Toast.LENGTH_SHORT).show();
            res.setText(s);
        }
    };

    private final int OPEN_ALBUM_CODE = 233;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        res=(TextView)findViewById(R.id.res);
        // open camera
        findViewById(R.id.button4).setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View view) {
                Intent intent = new Intent(MainActivity.this,AndroidFaceActivity.class);
                MainActivity.this.startActivity(intent);
            }
        });
        // open album
        findViewById(R.id.button5).setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View view) {
                Intent i = new Intent(
                        Intent.ACTION_PICK,
                        android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
                // 设定结果返回
                startActivityForResult(i, OPEN_ALBUM_CODE);
            }
        });
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (requestCode == OPEN_ALBUM_CODE) {

            Uri selectedImage = data.getData();
            String[] filePathColumn = { MediaStore.Images.Media.DATA };
            // 获取选择照片的数据视图
            Cursor cursor = getContentResolver().query(selectedImage,
                    filePathColumn, null, null, null);
            cursor.moveToFirst();
            // 从数据视图中获取已选择图片的路径
            int columnIndex = cursor.getColumnIndex(filePathColumn[0]);
            final String picturePath = cursor.getString(columnIndex);
            cursor.close();
            new Thread(new Runnable() {
                @Override
                public void run() {
                    AndroidDetectUtils.getInstance().check(new File(picturePath), new CheckCallback() {
                        @Override
                        public void onSuccess(int count, Face[] faces) {
                            Log.e("xxxxxx","success "+" count="+count+faces[0].eyesDistance());
                           // Toast.makeText(getApplication(),faces[0].eyesDistance()+"",Toast.LENGTH_SHORT).show();
                            for (int i = 0; i <count ; i++) {

                                String s="res"+faces[i].eyesDistance()+" ";
//                                    Toast.makeText(this,"chenwie",Toast.LENGTH_SHORT).show();
                                Message msg = Message.obtain();
                                msg.what=0;
                                msg.obj=s;
                                handler.sendMessage(msg);
                            }
                        }

                        @Override
                        public void onFail() {
                            Log.e("xxxxxx","fail ");
                        }
                    });
                }
            }).start();


        }
    }
}

AndroidFaceActivity.java

package com.chenwei.takephoto;


import android.app.Activity;
import android.hardware.Camera;
import android.hardware.Camera.PictureCallback;
import android.media.FaceDetector.Face;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.FrameLayout;
import android.widget.TextView;

import deep.com.face_deep.AndroidDetectUtils;
import deep.com.face_deep.CameraSurfacePreview;
import deep.com.face_deep.CheckCallback;
import deep.com.face_deep.Constants;

/**
 * Created by wangfei on 2018/3/8.
 */

public class AndroidFaceActivity extends Activity{
    Button takeBtn;
    private CameraSurfacePreview mCameraSurPreview = null;
    private Camera mCamera;
    TextView res;
    private boolean isTaken = false;
    private Handler handler = new Handler(){
        @Override
        public void handleMessage(Message msg) {
            super.handleMessage(msg);
            String s = (String) msg.obj;
            //Toast.makeText(this,"chenwi", Toast.LENGTH_SHORT).show();
            res.setText(s);
        }
    };

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_androidface);
        initUI();
    }

    public void initUI() {
        res= (TextView) findViewById(R.id.result);
        FrameLayout preview = (FrameLayout)findViewById(R.id.camera_preview);
        mCamera = Camera.open(1);
        mCamera.setDisplayOrientation(90);
        AndroidDetectUtils.getInstance().setCameraParam(mCamera);
        mCameraSurPreview = new CameraSurfacePreview(this,mCamera);
        preview.addView(mCameraSurPreview);
        takeBtn = (Button)findViewById(R.id.button_capture);
        takeBtn.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View view) {
                if (!isTaken){
                    takePhoto();
                }else {
                    if (mCamera!=null){
                        mCamera.startPreview();
                    }
                    takeBtn.setText("take_photo");
                    isTaken = false;


                }
            }
        });
    }
    private void takePhoto(){
        mCameraSurPreview.takePicture(new PictureCallback() {
            @Override
            public void onPictureTaken(final byte[] bytes, final Camera camera) {
                isTaken = true;
                takeBtn.setText("again_take_photo");
                new Thread(new Runnable() {
                    @Override
                    public void run() {
                        AndroidDetectUtils.getInstance().check(bytes, new CheckCallback() {
                            @Override
                            public void onSuccess(int count, Face[] faces) {
                                Log.e("xxxxxx","success "+" count="+count);
                                for (int i = 0; i <count ; i++) {

                                    String s="res"+faces[i].eyesDistance()+" ";
//                                    Toast.makeText(this,"chenwie",Toast.LENGTH_SHORT).show();
                                    Message msg = Message.obtain();
                                    msg.what=0;
                                    msg.obj=s;
                                    handler.sendMessage(msg);
                                }
                            }

                            @Override
                            public void onFail() {
                                Log.e("xxxxxx","fail ");

                            }
                        });
                    }
                }).start();

                Log.e(Constants.TAG, "Picture is taken and saved.");

            }
        });
    }
}