Android 虹软人脸识别SDK-人脸对比
准备 :
登录官方网站，获取SDK，进行个人验证后新建项目，获取APP_ID，和SDK_KEY；
实现 :
激活引擎 :
/**
* 激活引擎
*
* @param view
*/
public void activeEngine(final View view) {
if (!checkPermissions(NEEDED_PERMISSIONS)) {
ActivityCompat.requestPermissions(this, NEEDED_PERMISSIONS, ACTION_REQUEST_PERMISSIONS);
return;
}
if (view != null) {
view.setClickable(false);
}
Observable.create(new ObservableOnSubscribe<Integer>() {
@Override
public void subscribe(ObservableEmitter<Integer> emitter) throws Exception {
FaceEngine faceEngine = new FaceEngine();
//申请的APP_ID 和ＳＤＫ_key
int activeCode = faceEngine.active(FaceMainActivity.this, Constants.APP_ID, Constants.SDK_KEY);
emitter.onNext(activeCode);
}
})
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(new Observer<Integer>() {
@Override
public void onSubscribe(Disposable d) {
}
@Override
public void onNext(Integer activeCode) {
if (activeCode == ErrorInfo.MOK) {
showToast("OK");
} else if (activeCode == ErrorInfo.MERR_ASF_ALREADY_ACTIVATED) {
showToast("Not Active");
} else {
showToast("shibai");
}
if (view != null) {
view.setClickable(true);
}
}
@Override
public void onError(Throwable e) {
}
@Override
public void onComplete() {
}
});
}
初始化引擎 :
private void initEngine() {
faceEngine = new FaceEngine();
faceEngineCode = faceEngine.init(this, FaceEngine.ASF_DETECT_MODE_IMAGE, FaceEngine.ASF_OP_0_HIGHER_EXT,
16, 10, FaceEngine.ASF_FACE_RECOGNITION | FaceEngine.ASF_FACE_DETECT | FaceEngine.ASF_AGE | FaceEngine.ASF_GENDER | FaceEngine.ASF_FACE3DANGLE | FaceEngine.ASF_LIVENESS);
VersionInfo versionInfo = new VersionInfo();
faceEngine.getVersion(versionInfo);
Log.i(TAG, "initEngine: init: " + faceEngineCode + " version:" + versionInfo);
if (faceEngineCode != ErrorInfo.MOK) {
Toast.makeText(this, "TEST", Toast.LENGTH_SHORT).show();
}
}注册相机事件 :
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
File outImage = new File(getExternalCacheDir(), "output_image.jpg");
try {
if (outImage.exists()) {
outImage.delete();
}
outImage.createNewFile();
} catch (IOException e) {
e.printStackTrace();
}
if (Build.VERSION.SDK_INT >= 24) {
uri = FileProvider.getUriForFile(FaceMainActivity.this, "com.example.gdzc.cameraalbumtest.fileprovider", outImage);
} else {
uri = Uri.fromFile(outImage);
}
Intent intent = new Intent("android.media.action.IMAGE_CAPTURE");
intent.putExtra(MediaStore.EXTRA_OUTPUT, uri);
startActivityForResult(intent, TAKE_POTHO);
}
});
显示提示返回结果信息 :
/**
* 展示提示信息并且关闭提示框
*
* @param stringBuilder 带格式的提示文字
*/
private void showNotificationAndFinish(final SpannableStringBuilder stringBuilder) {
runOnUiThread(new Runnable() {
@Override
public void run() {
if (tvNotice != null) {
tvNotice.setText(stringBuilder.toString());
}
if (progressDialog != null && progressDialog.isShowing()) {
progressDialog.dismiss();
}
}
});
}
/**
* 追加提示信息
*
* @param stringBuilder 提示的字符串的存放对象
* @param styleSpan 添加的字符串的格式
* @param strings 字符串数组
*/
private void addNotificationInfo(SpannableStringBuilder stringBuilder, ParcelableSpan styleSpan, String... strings) {
tvNotice.append(stringBuilder.toString());
if (stringBuilder == null || strings == null || strings.length == 0) {
return;
}
int startLength = stringBuilder.length();
for (String string : strings) {
stringBuilder.append(string);
}
int endLength = stringBuilder.length();
if (styleSpan != null) {
stringBuilder.setSpan(styleSpan, startLength, endLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
}
}人脸验证 :
首先人脸验证需要一个参照的人脸数据，与之后的人脸进行匹配，返回结果为通过与不通过。
//人脸比对数据显示
if (faceInfoList.size() > 0) {
if (type == TYPE_MAIN) {
int size = showInfoList.size();
showInfoList.clear();
showInfoAdapter.notifyItemRangeRemoved(0, size);
ivMainImage.setImageBitmap(mainBitmap);
mainFeature = new FaceFeature();
int res = faceEngine.extractFaceFeature(nv21, width, height, FaceEngine.CP_PAF_NV21, faceInfoList.get(0), mainFeature);
if (res != ErrorInfo.MOK) {
mainFeature = null;
}
ivMainImage.setImageBitmap(bitmap);
StringBuilder stringBuilder = new StringBuilder();
if (faceInfoList.size() > 0) {
stringBuilder.append("face info:\n\n");
}
for (int i = 0; i < faceInfoList.size(); i++) {
stringBuilder.append("face[")
.append(i)
.append("]:\n")
.append(faceInfoList.get(i))
.append("\nage:")
.append(ageInfoList.get(i).getAge())
.append("\ngender:")
.append(genderInfoList.get(i).getGender() == GenderInfo.MALE ? "MALE"
: (genderInfoList.get(i).getGender() == GenderInfo.FEMALE ? "FEMALE" : "UNKNOWN"))
.append("\nface3DAngle:")
.append(face3DAngleList.get(i))
.append("\n\n");
}
tvMainImageInfo.setText(stringBuilder);
} else if (type == TYPE_ITEM) {
FaceFeature faceFeature = new FaceFeature();
int res = faceEngine.extractFaceFeature(nv21, width, height, FaceEngine.CP_PAF_NV21, faceInfoList.get(0), faceFeature);
if (res == 0) {
FaceSimilar faceSimilar = new FaceSimilar();
int compareResult = faceEngine.compareFaceFeature(mainFeature, faceFeature, faceSimilar);
if (compareResult == ErrorInfo.MOK) {
String resStr = "";
BigDecimal bigDecimal = new BigDecimal(faceSimilar.getScore());
if (bigDecimal.compareTo(new BigDecimal(0.8)) >= 0) {
resStr = "通过";
}else{
resStr = "不通过";
}
ItemShowInfo showInfo = new ItemShowInfo(bitmap, ageInfoList.get(0).getAge(), genderInfoList.get(0).getGender(), faceSimilar.getScore(),resStr);
showInfoList.add(showInfo);
showInfoAdapter.notifyItemInserted(showInfoList.size() - 1);
} else {
showToast("error");
}
}
}
} else {
if (type == TYPE_MAIN) {
mainBitmap = null;
}
}
} else {
showToast("can not get nv21 from bitmap!");
}通过对比结果，对比结果值越接近１就越相似，此处识别通过标准为0.8。
代码 :
对比 :
package com.example.ttlock.activity;
import android.Manifest;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.provider.MediaStore;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.support.v4.content.FileProvider;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.DividerItemDecoration;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.view.View;
import android.view.WindowManager;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
import com.arcsoft.face.AgeInfo;
import com.arcsoft.face.ErrorInfo;
import com.arcsoft.face.Face3DAngle;
import com.arcsoft.face.FaceEngine;
import com.arcsoft.face.FaceFeature;
import com.arcsoft.face.FaceInfo;
import com.arcsoft.face.FaceSimilar;
import com.arcsoft.face.GenderInfo;
import com.example.ttlock.R;
import com.example.ttlock.adapter.widget.ShowInfoAdapter;
import com.example.ttlock.model.ItemShowInfo;
import com.example.ttlock.utils.ImageUtil;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
public class MultiImageActivity extends AppCompatActivity {
private static final String TAG = "MultiImageActivity";
private static final int ACTION_CHOOSE_MAIN_IMAGE = 0x201;
private static final int ACTION_ADD_RECYCLER_ITEM_IMAGE = 0x202;
public static final int TAKE_POTHO = 1;
private static final int ACTION_REQUEST_PERMISSIONS = 0x001;
private Uri uri;
private ImageView ivMainImage;
private TextView tvMainImageInfo;
/**
* 选择图片时的类型
*/
private int TYPE_MAIN = 0;
private int TYPE_ITEM = 1;
/**
* 主图的第0张人脸的特征数据
*/
private FaceFeature mainFeature;
private ShowInfoAdapter showInfoAdapter;
private List<ItemShowInfo> showInfoList;
private FaceEngine faceEngine;
private int faceEngineCode = -1;
private Bitmap mainBitmap;
Toast toast = null;
private static String[] NEEDED_PERMISSIONS = new String[]{
Manifest.permission.READ_PHONE_STATE
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
setContentView(R.layout.activity_multi_image);
/**
* 在选择图片的时候，在android 7.0及以上通过FileProvider获取Uri，不需要文件权限
*/
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N) {
List<String> permissionList = new ArrayList<>(Arrays.asList(NEEDED_PERMISSIONS));
permissionList.add(Manifest.permission.READ_EXTERNAL_STORAGE);
NEEDED_PERMISSIONS = permissionList.toArray(new String[0]);
}
if (!checkPermissions(NEEDED_PERMISSIONS)) {
ActivityCompat.requestPermissions(this, NEEDED_PERMISSIONS, ACTION_REQUEST_PERMISSIONS);
} else {
initEngine();
}
initView();
}
private void initView() {
ivMainImage = findViewById(R.id.iv_main_image);
tvMainImageInfo = findViewById(R.id.tv_main_image_info);
RecyclerView recyclerFaces = findViewById(R.id.recycler_faces);
showInfoList = new ArrayList<>();
showInfoAdapter = new ShowInfoAdapter(showInfoList, this);
recyclerFaces.setAdapter(showInfoAdapter);
recyclerFaces.addItemDecoration(new DividerItemDecoration(this, DividerItemDecoration.VERTICAL));
recyclerFaces.setLayoutManager(new LinearLayoutManager(this));
}
private void initEngine() {
faceEngine = new FaceEngine();
faceEngineCode = faceEngine.init(this, FaceEngine.ASF_DETECT_MODE_IMAGE, FaceEngine.ASF_OP_0_HIGHER_EXT,
16, 6, FaceEngine.ASF_FACE_RECOGNITION | FaceEngine.ASF_AGE | FaceEngine.ASF_FACE_DETECT | FaceEngine.ASF_GENDER | FaceEngine.ASF_FACE3DANGLE);
Log.i(TAG, "initEngine: init " + faceEngineCode);
if (faceEngineCode != ErrorInfo.MOK) {
Toast.makeText(this, "f", Toast.LENGTH_SHORT).show();
}
}
private void unInitEngine() {
if (faceEngine != null) {
faceEngineCode = faceEngine.unInit();
Log.i(TAG, "unInitEngine: " + faceEngineCode);
}
}
@Override
protected void onDestroy() {
unInitEngine();
super.onDestroy();
}
@Override
protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
super.onActivityResult(requestCode, resultCode, data);
//
// if (data == null || data.getData() == null) {
// showToast("failed");
// return;
// }
// if (requestCode == ACTION_CHOOSE_MAIN_IMAGE) {
// mainBitmap = ImageUtil.getBitmapFromUri(data.getData(), this);
// if (mainBitmap == null) {
// showToast("failed");
// return;
// }
// processImage(mainBitmap, TYPE_MAIN);
// } else if (requestCode == ACTION_ADD_RECYCLER_ITEM_IMAGE) {
// Bitmap bitmap = ImageUtil.getBitmapFromUri(data.getData(), this);
// if (bitmap == null) {
// showToast("failed");
// return;
// }
// if (mainFeature == null) {
// return;
// }
// processImage(bitmap, TYPE_ITEM);
// }
switch (requestCode) {
case ACTION_CHOOSE_MAIN_IMAGE:
try {
mainBitmap = BitmapFactory.decodeStream(getContentResolver().openInputStream(uri));
// imageView.setImageBitmap(mBitmap);
//将图片解析成Bitmap对象，并把它显现出来
processImage(mainBitmap, TYPE_MAIN);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
break;
case ACTION_ADD_RECYCLER_ITEM_IMAGE:
Bitmap bitmap = null;
try {
bitmap = BitmapFactory.decodeStream(getContentResolver().openInputStream(uri));
} catch (FileNotFoundException e) {
e.printStackTrace();
}
if (bitmap == null) {
showToast("failed");
return;
}
if (mainFeature == null) {
return;
}
processImage(bitmap, TYPE_ITEM);
default:
break;
}
}
public void processImage(Bitmap bitmap, int type) {
if (bitmap == null) {
return;
}
if (faceEngine == null) {
return;
}
//NV21宽度必须为4的倍数,高度为2的倍数
bitmap = ImageUtil.alignBitmapForNv21(bitmap);
if (bitmap == null) {
return;
}
int width = bitmap.getWidth();
int height = bitmap.getHeight();
//bitmap转NV21
final byte[] nv21 = ImageUtil.bitmapToNv21(bitmap, width, height);
if (nv21 != null) {
List<FaceInfo> faceInfoList = new ArrayList<>();
//人脸检测
int detectCode = faceEngine.detectFaces(nv21, width, height, FaceEngine.CP_PAF_NV21, faceInfoList);
if (detectCode != 0 || faceInfoList.size() == 0) {
showToast("face detection finished, code is " + detectCode + ", face num is " + faceInfoList.size());
return;
}
//绘制bitmap
bitmap = bitmap.copy(Bitmap.Config.RGB_565, true);
Canvas canvas = new Canvas(bitmap);
Paint paint = new Paint();
paint.setAntiAlias(true);
paint.setStrokeWidth(10);
paint.setColor(Color.YELLOW);
if (faceInfoList.size() > 0) {
for (int i = 0; i < faceInfoList.size(); i++) {
//绘制人脸框
paint.setStyle(Paint.Style.STROKE);
canvas.drawRect(faceInfoList.get(i).getRect(), paint);
//绘制人脸序号
paint.setStyle(Paint.Style.FILL_AND_STROKE);
paint.setTextSize(faceInfoList.get(i).getRect().width() / 2);
canvas.drawText("" + i, faceInfoList.get(i).getRect().left, faceInfoList.get(i).getRect().top, paint);
}
}
int faceProcessCode = faceEngine.process(nv21, width, height, FaceEngine.CP_PAF_NV21, faceInfoList, FaceEngine.ASF_AGE | FaceEngine.ASF_GENDER | FaceEngine.ASF_FACE3DANGLE);
Log.i(TAG, "processImage: " + faceProcessCode);
if (faceProcessCode != ErrorInfo.MOK) {
showToast("face process finished, code is " + faceProcessCode);
return;
}
//年龄信息结果
List<AgeInfo> ageInfoList = new ArrayList<>();
//性别信息结果
List<GenderInfo> genderInfoList = new ArrayList<>();
//三维角度结果
List<Face3DAngle> face3DAngleList = new ArrayList<>();
//获取年龄、性别、三维角度
int ageCode = faceEngine.getAge(ageInfoList);
int genderCode = faceEngine.getGender(genderInfoList);
int face3DAngleCode = faceEngine.getFace3DAngle(face3DAngleList);
if ((ageCode | genderCode | face3DAngleCode) != ErrorInfo.MOK) {
showToast("at lease one of age、gender、face3DAngle detect failed! codes are: " + ageCode
+ " ," + genderCode + " ," + face3DAngleCode);
return;
}
//人脸比对数据显示
if (faceInfoList.size() > 0) {
if (type == TYPE_MAIN) {
int size = showInfoList.size();
showInfoList.clear();
showInfoAdapter.notifyItemRangeRemoved(0, size);
ivMainImage.setImageBitmap(mainBitmap);
mainFeature = new FaceFeature();
int res = faceEngine.extractFaceFeature(nv21, width, height, FaceEngine.CP_PAF_NV21, faceInfoList.get(0), mainFeature);
if (res != ErrorInfo.MOK) {
mainFeature = null;
}
ivMainImage.setImageBitmap(bitmap);
StringBuilder stringBuilder = new StringBuilder();
if (faceInfoList.size() > 0) {
stringBuilder.append("face info:\n\n");
}
for (int i = 0; i < faceInfoList.size(); i++) {
stringBuilder.append("face[")
.append(i)
.append("]:\n")
.append(faceInfoList.get(i))
.append("\nage:")
.append(ageInfoList.get(i).getAge())
.append("\ngender:")
.append(genderInfoList.get(i).getGender() == GenderInfo.MALE ? "MALE"
: (genderInfoList.get(i).getGender() == GenderInfo.FEMALE ? "FEMALE" : "UNKNOWN"))
.append("\nface3DAngle:")
.append(face3DAngleList.get(i))
.append("\n\n");
}
tvMainImageInfo.setText(stringBuilder);
} else if (type == TYPE_ITEM) {
FaceFeature faceFeature = new FaceFeature();
int res = faceEngine.extractFaceFeature(nv21, width, height, FaceEngine.CP_PAF_NV21, faceInfoList.get(0), faceFeature);
if (res == 0) {
FaceSimilar faceSimilar = new FaceSimilar();
int compareResult = faceEngine.compareFaceFeature(mainFeature, faceFeature, faceSimilar);
if (compareResult == ErrorInfo.MOK) {
String resStr = "";
BigDecimal bigDecimal = new BigDecimal(faceSimilar.getScore());
if (bigDecimal.compareTo(new BigDecimal(0.8)) >= 0) {
resStr = "通过";
}else{
resStr = "不通过";
}
ItemShowInfo showInfo = new ItemShowInfo(bitmap, ageInfoList.get(0).getAge(), genderInfoList.get(0).getGender(), faceSimilar.getScore(),resStr);
showInfoList.add(showInfo);
showInfoAdapter.notifyItemInserted(showInfoList.size() - 1);
} else {
showToast("error");
}
}
}
} else {
if (type == TYPE_MAIN) {
mainBitmap = null;
}
}
} else {
showToast("can not get nv21 from bitmap!");
}
}
/**
* 从本地选择文件
*
* @param action 可为选择主图{@link #ACTION_CHOOSE_MAIN_IMAGE}或者选择item图{@link #ACTION_ADD_RECYCLER_ITEM_IMAGE}
*/
public void chooseLocalImage(int action) {
// Intent intent = new Intent(Intent.ACTION_PICK);
// intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, "image/*");
// startActivityForResult(intent, action);
File outImage = new File(getExternalCacheDir(), "output_image.jpg");
try {
if (outImage.exists()) {
outImage.delete();
}
outImage.createNewFile();
} catch (IOException e) {
e.printStackTrace();
}
if (Build.VERSION.SDK_INT >= 24) {
uri = FileProvider.getUriForFile(MultiImageActivity.this, "com.example.gdzc.cameraalbumtest.fileprovider", outImage);
} else {
uri = Uri.fromFile(outImage);
}
Intent intent = new Intent("android.media.action.IMAGE_CAPTURE");
intent.putExtra(MediaStore.EXTRA_OUTPUT, uri);
startActivityForResult(intent, action);
}
public void addItemFace(View view) {
if (faceEngineCode != ErrorInfo.MOK) {
showToast("引擎未初始化，错误码为" + faceEngineCode);
return;
}
if (mainBitmap == null) {
showToast("\"请先选择主图\"");
return;
}
chooseLocalImage(ACTION_ADD_RECYCLER_ITEM_IMAGE);
}
public void chooseMainImage(View view) {
if (faceEngineCode != ErrorInfo.MOK) {
showToast("引擎未初始化，错误码为" + faceEngineCode);
return;
}
chooseLocalImage(ACTION_CHOOSE_MAIN_IMAGE);
}
private void showToast(String s) {
if (toast == null) {
toast = Toast.makeText(this, s, Toast.LENGTH_SHORT);
toast.show();
} else {
toast.setText(s);
toast.show();
}
}
private boolean checkPermissions(String[] neededPermissions) {
if (neededPermissions == null || neededPermissions.length == 0) {
return true;
}
boolean allGranted = true;
for (String neededPermission : neededPermissions) {
allGranted &= ContextCompat.checkSelfPermission(this, neededPermission) == PackageManager.PERMISSION_GRANTED;
}
return allGranted;
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
if (requestCode == ACTION_REQUEST_PERMISSIONS) {
boolean isAllGranted = true;
for (int grantResult : grantResults) {
isAllGranted &= (grantResult == PackageManager.PERMISSION_GRANTED);
}
if (isAllGranted) {
initEngine();
} else {
showToast("权限被拒绝");
}
}
}
}
<?xml version="1.0" encoding="utf-8"?>
<ScrollView 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="wrap_content"
android:orientation="vertical"
tools:context=".activity.MultiImageActivity">
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<LinearLayout
android:layout_margin="20dp"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center">
<Button
android:id="@+id/bt_choose_main_image"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="chooseMainImage"
android:text="注册"/>
<ImageView
android:id="@+id/iv_main_image"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:minHeight="100dp"
android:maxHeight="200dp"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/tv_main_image_info"/>
</LinearLayout>
<View
android:layout_width="match_parent"
android:layout_height="1dp"
android:background="#88000000"/>
<LinearLayout
android:layout_margin="20dp"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center">
<Button
android:id="@+id/bt_add_item"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="addItemFace"
android:text="验证"/>
<android.support.v7.widget.RecyclerView
android:minHeight="300dp"
android:id="@+id/recycler_faces"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</LinearLayout>
</LinearLayout>
</ScrollView>RecyclerView 适配器：
package com.example.ttlock.adapter.widget;
import android.content.Context;
import android.support.annotation.NonNull;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;
import com.example.ttlock.R;
import com.example.ttlock.model.ItemShowInfo;
import java.util.List;
public class ShowInfoAdapter extends RecyclerView.Adapter<ShowInfoAdapter.ShowInfoHolder> {
private List<ItemShowInfo> showInfoList;
private LayoutInflater inflater;
public ShowInfoAdapter(List<ItemShowInfo> showInfoList, Context context) {
this.showInfoList = showInfoList;
this.inflater = LayoutInflater.from(context);
}
@NonNull
@Override
public ShowInfoHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
View itemView = inflater.inflate(R.layout.item_show_info, viewGroup, false);
ImageView ivHeadImage = itemView.findViewById(R.id.iv_item_head_img);
TextView tvNotification = itemView.findViewById(R.id.tv_item_notification);
ShowInfoHolder holder = new ShowInfoHolder(itemView);
holder.ivHeadImage = ivHeadImage;
holder.tvNotification = tvNotification;
return holder;
}
@Override
public void onBindViewHolder(@NonNull ShowInfoHolder showInfoHolder, int i) {
showInfoHolder.tvNotification.setText(showInfoList.get(i).getIsOk());
showInfoHolder.ivHeadImage.setImageBitmap(showInfoList.get(i).getBitmap());
}
@Override
public int getItemCount() {
return showInfoList==null?0:showInfoList.size();
}
class ShowInfoHolder extends RecyclerView.ViewHolder{
ImageView ivHeadImage;
TextView tvNotification;
ShowInfoHolder(@NonNull View itemView) {
super(itemView);
}
}
}
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="110dp"
android:paddingTop="10dp"
android:orientation="horizontal">
<ImageView
android:id="@+id/iv_item_head_img"
android:layout_margin="10dp"
android:layout_width="80dp"
android:layout_height="80dp" />
<TextView
android:layout_gravity="center_vertical"
android:id="@+id/tv_item_notification"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>
ｉｔｅｍ :
package com.example.ttlock.model;
import android.graphics.Bitmap;
import com.arcsoft.face.GenderInfo;
public class ItemShowInfo {
private Bitmap bitmap;
private int age;
private int gender;
private float similar;
private String isOk;
public ItemShowInfo() {
}
public ItemShowInfo(Bitmap bitmap, int age, int gender, float similar, String isOk) {
this.bitmap = bitmap;
this.age = age;
this.gender = gender;
this.similar = similar;
this.isOk = isOk;
}
public String getIsOk() {
return isOk;
}
public void setIsOk(String isOk) {
this.isOk = isOk;
}
public Bitmap getBitmap() {
return bitmap;
}
public void setBitmap(Bitmap bitmap) {
this.bitmap = bitmap;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public int getGender() {
return gender;
}
public void setGender(int gender) {
this.gender = gender;
}
public float getSimilar() {
return similar;
}
public void setSimilar(float similar) {
this.similar = similar;
}
@Override
public String toString() {
return
" age=" + age +
", gender=" + (gender == GenderInfo.MALE ? "MALE" : (gender == GenderInfo.FEMALE ? "FEMALE" : "UNKNOWN")) +
", similar=" + similar;
}
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