how old app

[android]代码库

特别注明：程序来自慕课学院
======================================
package com.example.fengke_how_old;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import com.facepp.error.FaceppParseException;

import android.content.Intent;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.provider.MediaStore;
import android.support.v7.app.ActionBarActivity;
import android.text.TextUtils;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;


public class MainActivity extends ActionBarActivity implements OnClickListener {
	
	private static final int PICK_CODE= 0X110;
	private ImageView mPhoto;
	private Button mGetImage;
	private Button mDelect;
	private TextView mTip;
	private View mWaitting;
	private String  mCurrentPhotoStr;
    private Bitmap mPhotoImg;
    private Paint mPaint;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        inintViews();
        inintEvents();
        mPaint=new Paint();
        
         
    }
    
    private void inintEvents(){
    	 mGetImage.setOnClickListener(this);
    	 mDelect.setOnClickListener(this);
    	
    }
    
    private void inintViews()
    {
    	mPhoto=(ImageView)findViewById(R.id.id_photo);
    	mGetImage=(Button)findViewById(R.id.id_getImage);
    	mDelect=(Button)findViewById(R.id.id_detect);
    	mTip=(TextView)findViewById(R.id.id_tip);
    	mWaitting=findViewById(R.id.id_waiting);
    }
    
    public void onClick(View v){
    	
    	switch(v.getId()){
    	    case R.id.id_getImage:
    	         
    	    Intent intent=new Intent(Intent.ACTION_PICK);
    	    intent.setType("image/*");
    	    startActivityForResult(intent, PICK_CODE);
    	    break;
    	    
    	    case R.id.id_detect:
    	    	
    	    	mWaitting.setVisibility(View.VISIBLE);
    	    	
    	    	if(mCurrentPhotoStr!=null&&!mCurrentPhotoStr.trim().equals("")){
    	    		resizePhoto();
    	    	}else{
    	    		mPhotoImg=BitmapFactory.decodeResource(getResources(), R.drawable.image);
    	    		
    	    	}
    	    	
    	    	FaceppDetect.detect(mPhotoImg, new FaceppDetect.CallBack() {
					
					@Override
					public void success(JSONObject result) {
						Message msg=Message.obtain();
						msg.what=MSG_SUCCESS;
						msg.obj=result;
						mHandler.sendMessage(msg);
						// TODO Auto-generated method stub
						
					}
					
					@Override
					public void error(FaceppParseException exception) {
						
						Message msg=Message.obtain();
						msg.what=MSG_ERROR;
						msg.obj=exception.getErrorMessage();
						mHandler.sendMessage(msg);
						// TODO Auto-generated method stub
						
					}
				});
    	    break;
    	    
    	    
    	}
    	
    	
    	
    }
    
  protected void  onActivityResult(int requestCode,int resultCode ,Intent intent){
	  
	  if(requestCode==PICK_CODE){
		  if(intent!=null){
			  Uri uri=intent.getData();
			  Cursor cursor=getContentResolver().query(uri, null, null, null, null);
			  cursor.moveToFirst();
			  int idx=cursor.getColumnIndex(MediaStore.Images.ImageColumns.DATA);
			  mCurrentPhotoStr=cursor.getString(idx);
			  cursor.close();
			  
			  //压缩照片
			  
			  resizePhoto();
			  mPhoto.setImageBitmap(mPhotoImg);
			  mTip.setText("Click Detect ==>");
			  }
	  }
	  super.onActivityResult(requestCode, requestCode, intent);
  }

private void resizePhoto() {
	
	BitmapFactory.Options  options=new BitmapFactory.Options();
	options.inJustDecodeBounds=true;
	BitmapFactory.decodeFile(mCurrentPhotoStr, options);
	
	double ratio=Math.max(options.outWidth*1.0d/1024f, options.outHeight*1.0d/1024f);
	
	options.inSampleSize=(int)Math.ceil(ratio);
	
	options.inJustDecodeBounds=false;
	
	mPhotoImg=BitmapFactory.decodeFile(mCurrentPhotoStr, options);
	// TODO Auto-generated method stub
	
}

private static final int MSG_SUCCESS=0x111;
private static final int MSG_ERROR=0x112;

private Handler mHandler=new Handler(){
	public void handleMessage(Message msg){
		
		switch(msg.what){
		
		case MSG_SUCCESS:
			mWaitting.setVisibility(View.GONE);
			JSONObject rs=(JSONObject)msg.obj;
			prepareRsBitmap(rs);
			mPhoto.setImageBitmap(mPhotoImg);
			
			
			  break;
		case MSG_ERROR:
			mWaitting.setVisibility(View.GONE);
			String errormsg=(String)msg.obj;
			if(TextUtils.isEmpty(errormsg)){
				mTip.setText("Error.");
			}else{
				mTip.setText(errormsg);
			}
			
			
			
			break;
		
		}
		super.handleMessage(msg);
	}
	
};
private void prepareRsBitmap(JSONObject rs) {
	
	Bitmap bitmap=Bitmap.createBitmap(mPhotoImg.getWidth(),mPhotoImg.getHeight(),mPhotoImg.getConfig());
	Canvas canvas=new Canvas(bitmap);
	canvas.drawBitmap(mPhotoImg, 0,0, null);
	
	
	try {
		JSONArray faces=rs.getJSONArray("face");
		int faceCount=faces.length();
		mTip.setText("find" + faceCount);
		for(int i=0;i<faceCount;i++){
			JSONObject face=faces.getJSONObject(i);
			JSONObject posObj=face.getJSONObject("position");
			float x=(float) posObj.getJSONObject("center").getDouble("x");
			float y=(float) posObj.getJSONObject("center").getDouble("y");
			float w=(float) posObj.getDouble("width");
			float h=(float) posObj.getDouble("height");
			x=x/100*bitmap.getWidth();
			y=y/100*bitmap.getHeight();
			
			w=w/100*bitmap.getWidth();
			h=h/100*bitmap.getHeight();
			
			mPaint.setColor(0xffffffff);
			mPaint.setStrokeWidth(3);
			
			//box
			
			canvas.drawLine(x-w/2,y-h/2,x-w/2,y+h/2, mPaint);
			canvas.drawLine(x-w/2,y-h/2,x+w/2,y-h/2, mPaint);
			canvas.drawLine(x+w/2,y-h/2,x+w/2,y+h/2, mPaint);
			canvas.drawLine(x-w/2,y+h/2,x+w/2,y+h/2, mPaint);
			
			int age=face.getJSONObject("attribute").getJSONObject("age").getInt("value");
			String gender=face.getJSONObject("attribute").getJSONObject("gender").getString("value");
			
			Bitmap ageBitmap=buildAgeBitmp(age,"Male".equals(gender));
			
			//缩放年龄图片
			int ageWidth=ageBitmap.getWidth();
			int ageHeight=ageBitmap.getHeight();
			
			if(bitmap.getWidth()<mPhoto.getWidth()&&bitmap.getHeight()<mPhoto.getHeight()){
				
				float ratio=Math.max(bitmap.getWidth()*1.0f/mPhoto.getWidth(), bitmap.getHeight()*1.0f/mPhoto.getHeight());
				ageBitmap=Bitmap.createScaledBitmap(ageBitmap, (int)(ageWidth*ratio), (int)(ageHeight*ratio), false);
				
			}
			
			canvas.drawBitmap(ageBitmap, x-ageBitmap.getWidth()/2,y-h/2-ageBitmap.getHeight(),null);
			
			mPhotoImg=bitmap;
		}
		
	} catch (JSONException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	}
	
	
	
	
	
	// TODO Auto-generated method stub
	
}

private Bitmap buildAgeBitmp(int age, boolean isMale) {
	TextView tv=(TextView)mWaitting.findViewById(R.id.id_age_and_gender);
	tv.setText(age+"");
	if(isMale){
		tv.setCompoundDrawablesWithIntrinsicBounds(getResources().getDrawable(R.drawable.male), null, null, null);
		
	}else{
		tv.setCompoundDrawablesWithIntrinsicBounds(getResources().getDrawable(R.drawable.female), null, null, null);
	}
	
	tv.setDrawingCacheEnabled(true);
	Bitmap bitmap=Bitmap.createBitmap(tv.getDrawingCache());
	tv.destroyDrawingCache();
	
	// TODO Auto-generated method stub
	return bitmap;
}
  
  


}
   =====================================================
package com.example.fengke_how_old;

import java.io.ByteArrayOutputStream;

import org.json.JSONObject;

import android.graphics.Bitmap;
import android.util.Log;

import com.facepp.error.FaceppParseException;
import com.facepp.http.HttpRequests;
import com.facepp.http.PostParameters;

public class FaceppDetect {
	
	
	public interface CallBack{
		void success(JSONObject result);
		void error (FaceppParseException exception);
		
	}
	
	
	public static void detect(final Bitmap bm,final CallBack callBack){
		
		new Thread( new Runnable(){

			@Override
			public void run() {
				
					
						
						try {
							HttpRequests  reuqests=new HttpRequests(Constant.KEY, Constant.SECRET, true, true);
							Bitmap bmSmall=Bitmap.createBitmap(bm,0,0,bm.getWidth(),bm.getHeight());
							ByteArrayOutputStream stream=new ByteArrayOutputStream();
							bmSmall.compress(Bitmap.CompressFormat.JPEG, 100, stream);
							byte[] arrays=stream.toByteArray();
							PostParameters params=new PostParameters();
							params.setImg(arrays);
							JSONObject jsonObject=reuqests.detectionDetect(params);
							Log.e("TAG", jsonObject.toString());
							if(callBack!=null){
								callBack.success(jsonObject);
							}
							
							
							
							
						} catch (FaceppParseException e) {
							// TODO Auto-generated catch block
							e.printStackTrace();
							if(callBack!=null){
								callBack.error(e);
							}
						}
						
				
				
			}
			
			
			
			
			
		}).start();
		}
		
	}


=========================================================
package com.example.fengke_how_old;

public class Constant {
	
	public static final String KEY="57dfae64b546253db219e7ed2d409f47";
	public static final String SECRET="3RhWaggYPZ8ZsRYyG_LRxKJZ6q_f8zhF";

}
========================================================
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="com.example.how_old.MainActivity" >
    
    <Button 
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Get Image"
        android:layout_alignParentRight="true"
        android:layout_alignParentBottom="true"
        android:layout_marginRight="10dp"
        android:id="@+id/id_getImage"
        
        />
    
    <Button 
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Detect"
        android:layout_alignParentBottom="true"
        android:layout_marginRight="10dp"
        android:id="@+id/id_detect"
        android:layout_toLeftOf="@id/id_getImage"
        
        />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/id_tip"
        android:layout_marginLeft="10dp"
        android:layout_alignTop="@id/id_detect"
        android:layout_toLeftOf="@id/id_detect"
        android:gravity="center"
        />
    
    <ImageView 
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/id_photo"
        android:layout_above="@id/id_detect"
        android:layout_alignParentLeft="true"
        android:layout_alignParentRight="true"
        android:layout_alignParentTop="true"
        android:src="@drawable/image"
        
        />
    
    <FrameLayout 
         android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:visibility="gone"
        android:clickable="true"
        android:id="@+id/id_waiting"        
        >
      <ProgressBar 
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
            />
    <TextView 
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/id_age_and_gender"
        android:drawableLeft="@drawable/male"
        android:text="123"
       
        android:visibility="invisible"
        android:textColor="#fff00fff"
        android:textSize="22sp"
        android:gravity="center"
        
        />        

        
    </FrameLayout>

</RelativeLayout>
===============================================
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.fengke_how_old"
    android:versionCode="1"
    android:versionName="1.0" >
    <uses-permission android:name="android.permission.INTERNET"/>
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="21" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/tubiao"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name=".MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

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