11

修改为调用摄像机后的代码
import android.content.Intent;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.os.Looper;
import android.provider.MediaStore;
import android.util.Base64;
import android.util.Log;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
import okhttp3.FormBody;
import okhttp3.MediaType;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
import okhttp3.Response;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Handler;
import com.google.gson.Gson;
import com.google.gson.JsonObject;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import androidx.annotation.Nullable;

public class MainActivity extends AppCompatActivity {

private static final int CAMERA_REQUEST = 1;
private ImageView imageView;
private TextView textView;

private String accessToken;
private Bitmap selectedImageBitmap;

private static final String BAIDU_API_KEY = "YnFw5LSDvq76bzSdjWuGWlXL";
private static final String BAIDU_SECRET_KEY = "lOa0jDMgcQT0baNlzjIR7GMwCFoFEUUy";
private static final String FACE_DETECT_URL = "https://aip.baidubce.com/rest/2.0/face/v3/detect";

private final OkHttpClient client = new OkHttpClient();
private final Handler handler = new Handler(Looper.getMainLooper());
private final ExecutorService executorService = Executors.newSingleThreadExecutor();

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

    Button buttonRecordMood = findViewById(R.id.button_record_mood);
    buttonRecordMood.setOnClickListener(view -> openCamera());

    Button buttonViewRecords = findViewById(R.id.button_view_records);
    buttonViewRecords.setOnClickListener(view -> viewRecords());

    getAccessTokenAsync();
}

private void openCamera() {
    Intent cameraIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
    startActivityForResult(cameraIntent, CAMERA_REQUEST);
}

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

    if (resultCode == RESULT_OK && data != null && requestCode == CAMERA_REQUEST) {
        Bitmap bitmap = (Bitmap) data.getExtras().get("data");
        selectedImageBitmap = bitmap;
        String imageBase64 = bitmapToBase64(bitmap);
        sendFaceDetectRequest(imageBase64);
    }
}

private String bitmapToBase64(Bitmap bitmap) {
    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    bitmap.compress(Bitmap.CompressFormat.JPEG, 100, byteArrayOutputStream);
    byte[] byteArray = byteArrayOutputStream.toByteArray();
    return Base64.encodeToString(byteArray, Base64.DEFAULT);
}

private void getAccessTokenAsync() {
    executorService.execute(() -> {
        this.accessToken = getAccessToken();
        handler.post(() -> {
            if (this.accessToken == null) {
                Log.e("MainActivity", "Failed to get access token");
            }
        });
    });
}

private void sendFaceDetectRequest(String imageBase64) {
    if (accessToken == null) {
        Log.e("MainActivity", "Access token is null, cannot send face detect request.");
        return;
    }
    executorService.execute(() -> {
        JsonObject jsonObject = new JsonObject();
        jsonObject.addProperty("image", imageBase64);
        jsonObject.addProperty("image_type", "BASE64");
        jsonObject.addProperty("face_field", "age,beauty,expression");
        String jsonStr = new Gson().toJson(jsonObject);

        MediaType mediaType = MediaType.parse("application/json; charset=utf-8");
        RequestBody body = RequestBody.create(jsonStr, mediaType);

        Request request = new Request.Builder()
                .url(FACE_DETECT_URL + "?access_token=" + this.accessToken)
                .post(body)
                .build();

        try {
            Response response = client.newCall(request).execute();
            if (response.isSuccessful()) {
                String responseStr = response.body().string();
                handler.post(() -> {
                    try {
                        JSONObject jsonResponse = new JSONObject(responseStr);
                        JSONObject result = jsonResponse.optJSONObject("result");
                        if (result != null) {
                            int age = result.getJSONArray("face_list").getJSONObject(0).getInt("age");
                            String beauty = result.getJSONArray("face_list").getJSONObject(0).getString("beauty");
                            String expression = result.getJSONArray("face_list").getJSONObject(0).getString("expression");

                            String resultText = "Age: " + age + "\nBeauty: " + beauty + "\nExpression: " + expression;

                            Intent intent = new Intent(MainActivity.this, MoodRecordActivity.class);
                            intent.putExtra("age", String.valueOf(age));  // 确保年龄是字符串类型
                            intent.putExtra("beauty", beauty);
                            intent.putExtra("expression", expression);
                            intent.putExtra("image", imageBase64);
                            startActivity(intent);
                        } else {
                            Log.e("MainActivity", "Face detect request failed: result is null");
                        }
                    } catch (JSONException e) {
                        e.printStackTrace();
                    }
                });
            } else {
                Log.e("MainActivity", "Face detect request failed");
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    });
}

private String getAccessToken() {
    String authHost = "https://aip.baidubce.com/oauth/2.0/token?";
    RequestBody body = new FormBody.Builder()
            .add("grant_type", "client_credentials")
            .add("client_id", BAIDU_API_KEY)
            .add("client_secret", BAIDU_SECRET_KEY)
            .build();

    Request request = new Request.Builder()
            .url(authHost)
            .post(body)
            .build();

    try {
        Response response = client.newCall(request).execute();
        if (response.isSuccessful()) {
            String responseBody = response.body().string();
            JsonObject jsonObject = new Gson().fromJson(responseBody, JsonObject.class);
            return jsonObject.get("access_token").getAsString();
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
    return null;
}

private void viewRecords() {
    Intent intent = new Intent(this, ViewRecordsActivity.class);
    startActivity(intent);
}

@Override
protected void onDestroy() {
    super.onDestroy();
    executorService.shutdown();
}

}