团队app十日冲刺7

基本的功能已经完成，但还存在许多不足的地方，主页面简介且难看。上传图片后返回的结果布局也十分丑陋。考虑到调用图片过于麻烦，还是直接拍照上传比较好。做出一些改进，这里是调用图片进行识别的代码。。
要导入这几个包，有一个是百度智能云的sdk包，可以再平台上找。

 

import android.Manifest;
import android.content.Intent;
import android.graphics.Bitmap;
import android.net.Uri;
import android.provider.MediaStore;

import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;


import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.Toast;

import com.baidu.aip.face.AipFace;
import com.baidu.aip.util.Base64Util;
import org.json.JSONObject;

import java.util.HashMap;
import java.io.ByteArrayOutputStream;

public class MainActivity extends AppCompatActivity {

    private static final int PICK_IMAGE = 1;
    private ImageView imageView;
    private Button buttonSelect, buttonDetect;
    private Bitmap bitmap;

    private String APP_ID = "67129805";
    private String API_KEY = "YnFw5LSDvq76bzSdjWuGWlXL";
    private String SECRET_KEY = "lOa0jDMgcQT0baNlzjIR7GMwCFoFEUUy";
    private AipFace client;
    private static final int YOUR_PERMISSIONS_REQUEST_READ_STORAGE = 1;


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

        imageView = findViewById(R.id.imageView);
        buttonSelect = findViewById(R.id.buttonSelect);
        buttonDetect = findViewById(R.id.buttonDetect);

        client = new AipFace(APP_ID, API_KEY, SECRET_KEY); // 初始化AipFace对象

        buttonSelect.setOnClickListener(v -> {
            ActivityCompat.requestPermissions(MainActivity.this, new String[]{Manifest.permission.READ_EXTERNAL_STORAGE}, 1);
            Intent intent = new Intent(Intent.ACTION_PICK, MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
            startActivityForResult(intent, PICK_IMAGE);
        });

        buttonDetect.setOnClickListener(v -> {
            if (bitmap != null) {
                try {
                    HashMap<String, Object> options = new HashMap<>();
                    options.put("face_field", "age,beauty,expression,faceshape,gender,glasses,landmark,race,quality,face_type");
                    options.put("max_face_num", "10");
                    options.put("face_type", "LIVE");
                    options.put("liveness_control", "LOW");

                    JSONObject res = client.detect(encodeToBase64(bitmap), "BASE64", options);
                    Toast.makeText(getApplicationContext(), res.toString(2), Toast.LENGTH_LONG).show();
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        });

    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (requestCode == PICK_IMAGE && resultCode == RESULT_OK && data != null) {
            Uri selectedImage = data.getData();
            try {
                bitmap = MediaStore.Images.Media.getBitmap(this.getContentResolver(), selectedImage);
                imageView.setImageBitmap(bitmap);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }

    private String encodeToBase64(Bitmap image) {
        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
        image.compress(Bitmap.CompressFormat.JPEG, 100, byteArrayOutputStream);
        byte[] byteArray = byteArrayOutputStream.toByteArray();
        return Base64Util.encode(byteArray);
    }
}

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <ImageView
        android:id="@+id/imageView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerInParent="true"
        android:adjustViewBounds="true"
        android:scaleType="fitCenter" />

    <Button
        android:id="@+id/buttonSelect"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Select Image"
        android:layout_above="@id/imageView"
        android:layout_centerHorizontal="true" />

    <Button
        android:id="@+id/buttonDetect"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Detect Face"
        android:layout_below="@id/imageView"
        android:layout_centerHorizontal="true" />

</RelativeLayout>