使用Face++做人脸识别,性别、年龄检测

注册Face++申请key和secret,导入SDK,有不足缺陷的地方还望指出。

public classMainActivityextendsAppCompatActivity {

privateStringkey="yourKey";//api_key

privateStringsecret="youreApi_secret";//api_secret

longstart=System.currentTimeMillis();

privateImageViewimg;

privateBitmapbitmap;

privateBitmapCanvasbitmacanvas;

@Override

protected voidonCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_mains);

img= (ImageView) findViewById(R.id.img);

bitmap=BitmapFactory.decodeResource(getResources(),R.drawable.timg3).copy(Bitmap.Config.RGB_565,true);

bitmacanvas=newBitmapCanvas(bitmap);

img.setImageBitmap(bitmap);

newThread(newRunnable() {

@Override

public voidrun() {

post();

}

}).start();

}

public voidpost(){

ByteArrayOutputStream byteArrayOutputStream =newByteArrayOutputStream();

bitmap.compress(Bitmap.CompressFormat.JPEG,100,byteArrayOutputStream);

bytes= byteArrayOutputStream.toByteArray();

if(bytes.length>0){

start=System.currentTimeMillis();

handler.sendEmptyMessage(0);

}

}

private byte[]bytes;

privateHandlerhandler=newHandler(Looper.getMainLooper()){

@Override

public voidhandleMessage(Message msg) {

if(msg.what==2){

img.setImageBitmap(bitmap);

return;

}

newThread(newRunnable() {

@Override

public voidrun() {

//  ArrayList faces = new ArrayList<>();

CommonOperate commonOperate =newCommonOperate(key,secret,false);

try{

Response response1 = commonOperate.detectByte(bytes,0,"gender,age");

if(getFaceToken(response1)){

bitmacanvas.setMessageList(facemessages,newCanvasFinish() {

@Override

public voidcanvasfinish() {

handler.sendEmptyMessage(2);

}

});

}

}catch(Exception e) {

e.printStackTrace();

}

}

}).start();

}

};

private booleangetFaceToken(Response response)throwsJSONException {

if(response.getStatus() !=200){

return false;

}

String res =newString(response.getContent());

jsonParse(res);

return true;

}

privateListfacemessages;

private voidjsonParse(String value){

if(facemessages==null){

facemessages=newArrayList<>();

}else{

facemessages.clear();

}

try{

JSONObject jsonObject =newJSONObject(value);

JSONArray faces = jsonObject.getJSONArray("faces");

for(inti =0; i

LogShow.logShow(faces.get(i).toString());

FaceMessage faceonew=newFaceMessage();

faceonew.setGender( faces.getJSONObject(i).getJSONObject("attributes").getJSONObject("gender").getString("value"));

faceonew.setAge(faces.getJSONObject(i).getJSONObject("attributes").getJSONObject("age").getInt("value"));

intsize=faces.getJSONObject(i).getJSONObject("face_rectangle").getInt("width");

inttop=  faces.getJSONObject(i).getJSONObject("face_rectangle").getInt("top");

intleft=  faces.getJSONObject(i).getJSONObject("face_rectangle").getInt("left");

faceonew.setRectF(size,top,left);

facemessages.add(faceonew);

}

}catch(JSONException e) {

e.printStackTrace();

}

}

@Override

protected voidonDestroy() {

super.onDestroy();

if(bitmap!=null){

bitmap.recycle();

}

if(facemessages!=null){

facemessages.clear();

}

if(handler!=null){

handler.removeCallbacksAndMessages(null);

}

}

}

public classBitmapCanvas  {

privateBitmapbitmap;

privateListmessageList;

publicBitmap getBitmap() {

returnbitmap;

}

public voidsetBitmap(Bitmap bitmap) {

this.bitmap= bitmap;

}

publicBitmapCanvas(Bitmap bitmap) {

this.bitmap= bitmap;

}

publicList getMessageList() {

returnmessageList;

}

public voidsetMessageList(List messageList,CanvasFinish c) {

this.messageList= messageList;

draw(c);

}

public voiddraw(CanvasFinish c){

if(messageList!=null){

Canvas  canvas =newCanvas(bitmap);

// canvas.drawRect(getRectF(),getpaint());

for(inti =0; i

canvas.drawRect(messageList.get(i).getRectF(),getpaint());

canvas.drawText(messageList.get(i).getGender()+"年龄"+messageList.get(i).getAge(),messageList.get(i).getPoint().x,messageList.get(i).getPoint().y,textPaint());

}

c.canvasfinish();

}

}

privatePaint getpaint(){

Paint  paint =newPaint();

paint.setColor(Color.RED);

paint.setAntiAlias(true);

paint.setStyle(Paint.Style.STROKE);

paint.setStrokeWidth(5f);

returnpaint;

}

privatePaint textPaint(){

Paint  paint =newPaint();

paint.setColor(Color.BLUE);

paint.setTextSize(40f);

returnpaint;

}

}

public classFaceMessage {

privateStringgender;

private intage;

privateRectFrectF;

publicString getGender() {

returngender;

}

public voidsetGender(String gender) {

this.gender=gender.equals("Male")?"男":"女";

}

public intgetAge() {

returnage;

}

public voidsetAge(intage) {

this.age= age;

}

publicRectF getRectF() {

returnrectF;

}

public voidsetRectF(RectF rectF) {

this.rectF= rectF;

}

public voidsetRectF(intsize,inttop,intleft) {

this.rectF=newRectF(left,top,left+size,top+size);

}

publicPointF  getPoint(){

if(rectF!=null){

PointF  point =newPointF(rectF.left,rectF.top);

returnpoint;

}

return null;

}

}

public interfaceCanvasFinish{

voidcanvasfinish();

}

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