实例介绍
【实例简介】
【实例截图】
【核心代码】
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";
}
}
}
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