package cn.com.basic.face.base;
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import android.app.AlertDialog;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.content.pm.ActivityInfo;
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import android.content.res.Configuration;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Paint;
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import android.graphics.drawable.ColorDrawable;
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import android.hardware.Camera;
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import android.os.Handler;
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import android.support.design.widget.TabLayout;
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import android.support.v4.app.Fragment;
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import android.support.v4.app.FragmentManager;
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import android.support.v4.app.FragmentPagerAdapter;
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import android.support.v4.view.ViewPager;
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import android.os.Bundle;
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import android.view.LayoutInflater;
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import android.view.MotionEvent;
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import android.view.SurfaceHolder;
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import android.view.SurfaceView;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.Window;
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import android.view.WindowManager;
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import android.widget.EditText;
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import android.widget.ImageView;
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import android.widget.LinearLayout;
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import android.widget.TextView;
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import android.widget.Toast;
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import com.bsk.zhangbo.demoforbsk.R;
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import com.luxand.FSDK;
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import cn.com.basic.face.discern.common.CommonVariables;
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import cn.com.basic.face.discern.query.item.SurveillanceQueryItem;
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import cn.com.basic.face.fragment.SurveillanceFragment;
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import cn.com.basic.face.service.SurveillanceMng;
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import cn.com.basic.face.util.FileUtil;
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import cn.com.basic.face.util.NativeImg;
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import cn.com.basic.face.util.TabNameUtil;
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import cn.com.basic.face.fragment.AttendanceFragment;
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import cn.com.basic.face.fragment.CheckInFragment;
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import cn.com.basic.face.fragment.DeviceFragment;
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import cn.com.basic.face.fragment.PhoneCallFragment;
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import cn.com.basic.face.fragment.RegisterFragment;
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import cn.com.basic.face.fragment.VisitFragment;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.InputStream;
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import java.nio.ByteBuffer;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.concurrent.locks.Lock;
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import java.util.concurrent.locks.ReentrantLock;
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public class MainActivity extends BaseActivity implements View.OnClickListener{
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private static MainActivity instance;
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private static TabLayout mTabLayout;
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private static ViewPager mViewPager;
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public static void selectPage(int pageNum) {
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mTabLayout.getTabAt(pageNum).select();
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}
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@Override
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public int getLayoutId() {
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return R.layout.activity_main;
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}
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@Override
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public void initViews(Bundle savedInstanceState) {
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mTabLayout = (TabLayout) findViewById(R.id.tab_layout);
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mViewPager = (ViewPager) findViewById(R.id.viewpager);
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mTabLayout.setTabGravity(TabLayout.GRAVITY_FILL);
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instance = this;
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}
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@Override
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public void initData() {
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List<String> tabNamesList = Arrays.asList(TabNameUtil.tabNames);
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int[] tabIcons = TabNameUtil.tabIcons;
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MyFragmentPagerAdapter myFragmentPagerAdapter = new MyFragmentPagerAdapter(getSupportFragmentManager(),MainActivity.this);
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myFragmentPagerAdapter.addFragment(SurveillanceFragment.getInstance(), tabNamesList.get(0),tabIcons[0]);
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myFragmentPagerAdapter.addFragment(RegisterFragment.getInstance(), tabNamesList.get(1),tabIcons[1]);
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myFragmentPagerAdapter.addFragment(CheckInFragment.getInstance(), tabNamesList.get(2),tabIcons[2]);
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myFragmentPagerAdapter.addFragment(PhoneCallFragment.getInstance(), tabNamesList.get(3),tabIcons[3]);
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myFragmentPagerAdapter.addFragment(VisitFragment.getInstance(), tabNamesList.get(4),tabIcons[4]);
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myFragmentPagerAdapter.addFragment(AttendanceFragment.getInstance(), tabNamesList.get(5),tabIcons[5]);
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myFragmentPagerAdapter.addFragment(DeviceFragment.getInstance(), tabNamesList.get(6),tabIcons[6]);
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mViewPager.setAdapter(myFragmentPagerAdapter);
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mViewPager.setOffscreenPageLimit(6);//viewpager缓存个数
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mTabLayout.setupWithViewPager(mViewPager);
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mTabLayout.setTabMode(TabLayout.MODE_FIXED);
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for (int i = 0; i < mTabLayout.getTabCount(); i++) {
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TabLayout.Tab tab = mTabLayout.getTabAt(i);
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LinearLayout view = (LinearLayout)myFragmentPagerAdapter.getTabView(i);
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tab.setCustomView(view);
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if (i == 0) {
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tab.getCustomView().setSelected(true);
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}
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}
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myThread = new MyThread();
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myThread.start();
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}
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public static MainActivity getInstance() {
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return instance;
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}
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public static class MyFragmentPagerAdapter extends FragmentPagerAdapter {
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private final List<Fragment> mFragments = new ArrayList<>();
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private final List<String> mFragmentTitles = new ArrayList<>();
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private final List<Integer> mFragmentIcons = new ArrayList<>();
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private Context context;
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public MyFragmentPagerAdapter(FragmentManager fm, Context context) {
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super(fm);
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this.context = context;
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}
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public void addFragment(Fragment fragment, String title,int drawable) {
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mFragments.add(fragment);
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mFragmentTitles.add(title);
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mFragmentIcons.add(drawable);
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}
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@Override
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public Fragment getItem(int position) {
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return mFragments.get(position);
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}
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@Override
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public int getCount() {
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return mFragments.size();
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}
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@Override
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public CharSequence getPageTitle(int position) {
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return null;
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}
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public View getTabView(int position){
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View view = LayoutInflater.from(context).inflate(R.layout.activity_main_tab,null);
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TextView mTvTitle = (TextView) view.findViewById(R.id.tab_item_title);
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mTvTitle.setText(mFragmentTitles.get(position));
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ImageView mImgIcon = (ImageView) view.findViewById(R.id.tab_item_icon);
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mImgIcon.setImageResource(mFragmentIcons.get(position));
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return view;
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}
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}
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boolean doubleBackToExitPressedOnce = false;
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@Override
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public void onBackPressed() {
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if (doubleBackToExitPressedOnce) {
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super.onBackPressed();
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return;
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}
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this.doubleBackToExitPressedOnce = true;
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Toast.makeText(this, "请再次按返回键退出", Toast.LENGTH_SHORT).show();
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new Handler().postDelayed(new Runnable() {
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@Override
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public void run() {
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doubleBackToExitPressedOnce=false;
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}
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}, 2000);
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}
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private MyThread myThread;
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class MyThread extends Thread{
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@Override
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public void run() {
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try {
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setBmpDecodeEnv();
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Thread.sleep(2000);
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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}
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}
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/**
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* 将raw下的文件复制到sdCard
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*/
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public boolean setBmpDecodeEnv() {
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String path=getFilesDir().getAbsolutePath();
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String filename = "base.dat";
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try{
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String databaseFilename = path + "/" + filename;
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File dir = new File(path);
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if (!dir.exists())
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dir.mkdir();
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if (!(new File(databaseFilename)).exists()){
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InputStream is = getResources().openRawResource(R.raw.base);
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FileOutputStream fos = new FileOutputStream(databaseFilename);
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byte[] buffer = new byte[8192];
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int count = 0;
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while ((count = is.read(buffer)) > 0)
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{
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fos.write(buffer, 0, count);
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}
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fos.close();
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is.close();
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}
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}
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catch (Exception e){
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System.out.println(e.getMessage());
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return false;
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}
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String filename1 = "license.lic";
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try{
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String databaseFilename = path + "/" + filename1;
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File dir = new File(path);
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if (!dir.exists())
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dir.mkdir();
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if (!(new File(databaseFilename)).exists()){
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InputStream is = getResources().openRawResource(R.raw.license);
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FileOutputStream fos = new FileOutputStream(databaseFilename);
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byte[] buffer = new byte[8192];
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int count = 0;
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while ((count = is.read(buffer)) > 0)
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{
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fos.write(buffer, 0, count);
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}
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fos.close();
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is.close();
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}
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}
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catch (Exception e){
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System.out.println(e.getMessage());
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return false;
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}
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return true;
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}
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////////////////////////////////////////////////////////
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private boolean mIsFailed = false;
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public Preview mPreview;
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public ProcessImageAndDrawResults mDraw;
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private final String database = "Memory50.dat";
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private final String help_text = "Luxand Face Recognition\n\nJust tap any detected face and name it. The app will recognize this face further. For best results, hold the device at arm's length. You may slowly rotate the head for the app to memorize you at multiple views. The app can memorize several persons. If a face is not recognized, tap and name it again.\n\nThe SDK is available for mobile developers: www.luxand.com/facesdk";
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public static float sDensity = 1.0f;
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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if (CommonVariables.FACE_SERVER) {
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sDensity = getResources().getDisplayMetrics().scaledDensity;
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int res = FSDK.ActivateLibrary("bSB3NdbTnv/0eW/uhypSe6hDMtjZ76Sisw5NwcN+0sfahxOtoUW22el54e/M6cSG5/xsdVIorPgugbTIfoIIn7ltyw1QMSleNebVx/Xe8aRA8bP+aVDybjoWdW/0rDP9Pv7yqBzNXyuwjgsVhPB53VGP8oTirTSUP7PTzSwOEe0=");
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if (res != FSDK.FSDKE_OK) {
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mIsFailed = true;
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showErrorAndClose("FaceSDK activation failed", res);
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} else {
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FSDK.Initialize();
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// Hide the window title (it is done in manifest too)
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getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
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//z requestWindowFeature(Window.FEATURE_NO_TITLE);
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// Lock orientation
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setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
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// Camera layer and drawing layer
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mDraw = new ProcessImageAndDrawResults(this);
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mPreview = new Preview(this, mDraw);
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mDraw.mTracker = new FSDK.HTracker();
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String templatePath = this.getApplicationInfo().dataDir + "/" + database;
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if (FSDK.FSDKE_OK != FSDK.LoadTrackerMemoryFromFile(mDraw.mTracker, templatePath)) {
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res = FSDK.CreateTracker(mDraw.mTracker);
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if (FSDK.FSDKE_OK != res) {
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showErrorAndClose("Error creating tracker", res);
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}
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}
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resetTrackerParameters();
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//this.getWindow().setBackgroundDrawable(new ColorDrawable()); //black background
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//setContentView(mPreview); //creates MainActivity contents
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//addContentView(mDraw, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT));
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// Menu
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// LayoutInflater inflater = (LayoutInflater)this.getSystemService( Context.LAYOUT_INFLATER_SERVICE );
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// View buttons = inflater.inflate(R.layout.bottom_menu, null );
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// buttons.findViewById(R.id.helpButton).setOnClickListener(this);
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// buttons.findViewById(R.id.clearButton).setOnClickListener(this);
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// addContentView(buttons, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
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}
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}
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}
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@Override
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public void onClick(View view) {
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if(CommonVariables.FACE_SERVER) {
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if (view.getId() == R.id.helpButton) {
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showMessage(help_text);
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} else if (view.getId() == R.id.clearButton) {
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AlertDialog.Builder builder = new AlertDialog.Builder(this);
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builder.setMessage("Are you sure to clear the memory?" )
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.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
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@Override public void onClick(DialogInterface dialogInterface, int j) {
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pauseProcessingFrames();
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FSDK.ClearTracker(mDraw.mTracker);
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resetTrackerParameters();
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resumeProcessingFrames();
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}
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})
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.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
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@Override public void onClick(DialogInterface dialogInterface, int j) {
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}
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})
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.setCancelable(false) // cancel with button only
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.show();
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}
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}
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}
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@Override
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protected void onPause() {
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super.onPause();
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if(CommonVariables.FACE_SERVER) {
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pauseProcessingFrames();
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String templatePath = this.getApplicationInfo().dataDir + "/" + database;
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FSDK.SaveTrackerMemoryToFile(mDraw.mTracker, templatePath);
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}
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}
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@Override
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protected void onResume() {
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super.onResume();
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if(CommonVariables.FACE_SERVER) {
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if (mIsFailed)
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return;
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resumeProcessingFrames();
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}
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}
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public void showErrorAndClose(String error, int code) {
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AlertDialog.Builder builder = new AlertDialog.Builder(this);
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builder.setMessage(error + ": " + code)
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.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialogInterface, int i) {
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android.os.Process.killProcess(android.os.Process.myPid());
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}
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})
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.show();
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}
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public void showMessage(String message) {
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AlertDialog.Builder builder = new AlertDialog.Builder(this);
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builder.setMessage(message)
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.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialogInterface, int i) {
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}
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})
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.setCancelable(false) // cancel with button only
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.show();
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}
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private void resetTrackerParameters() {
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int errpos[] = new int[1];
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FSDK.SetTrackerMultipleParameters(mDraw.mTracker, "ContinuousVideoFeed=true;FacialFeatureJitterSuppression=0;RecognitionPrecision=0;Threshold=0.996;Threshold2=0.9995;ThresholdFeed=0.97;MemoryLimit=1000;HandleArbitraryRotations=false;DetermineFaceRotationAngle=false;InternalResizeWidth=70;FaceDetectionThreshold=5;", errpos);
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if (errpos[0] != 0) {
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showErrorAndClose("Error setting tracker parameters, position", errpos[0]);
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}
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}
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private void pauseProcessingFrames() {
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mDraw.mStopping = 1;
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// It is essential to limit wait time, because mStopped will not be set to 0, if no frames are feeded to mDraw
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for (int i=0; i<100; ++i) {
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if (mDraw.mStopped != 0) break;
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try { Thread.sleep(10); }
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catch (Exception ex) {}
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}
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}
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private void resumeProcessingFrames() {
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mDraw.mStopped = 0;
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mDraw.mStopping = 0;
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}
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}
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class FaceRectangle {
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public int x1, y1, x2, y2;
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}
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// Draw graphics on top of the video
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class ProcessImageAndDrawResults extends View {
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public FSDK.HTracker mTracker;
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final int MAX_FACES = 5;
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final FaceRectangle[] mFacePositions = new FaceRectangle[MAX_FACES];
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final long[] mIDs = new long[MAX_FACES];
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final Lock faceLock = new ReentrantLock();
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int mTouchedIndex;
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long mTouchedID;
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int mStopping;
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int mStopped;
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Context mContext;
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Paint mPaintGreen, mPaintBlue, mPaintBlueTransparent;
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byte[] mYUVData;
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byte[] mRGBData;
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int mImageWidth, mImageHeight;
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boolean first_frame_saved;
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boolean rotated;
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int GetFaceFrame(FSDK.FSDK_Features Features, FaceRectangle fr)
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{
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if (Features == null || fr == null)
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return FSDK.FSDKE_INVALID_ARGUMENT;
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float u1 = Features.features[0].x;
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float v1 = Features.features[0].y;
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float u2 = Features.features[1].x;
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float v2 = Features.features[1].y;
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float xc = (u1 + u2) / 2;
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float yc = (v1 + v2) / 2;
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int w = (int)Math.pow((u2 - u1) * (u2 - u1) + (v2 - v1) * (v2 - v1), 0.5);
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fr.x1 = (int)(xc - w * 1.6 * 0.9);
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fr.y1 = (int)(yc - w * 1.1 * 0.9);
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fr.x2 = (int)(xc + w * 1.6 * 0.9);
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fr.y2 = (int)(yc + w * 2.1 * 0.9);
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if (fr.x2 - fr.x1 > fr.y2 - fr.y1) {
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fr.x2 = fr.x1 + fr.y2 - fr.y1;
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} else {
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fr.y2 = fr.y1 + fr.x2 - fr.x1;
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}
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return 0;
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}
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public ProcessImageAndDrawResults(Context context) {
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super(context);
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mTouchedIndex = -1;
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mStopping = 0;
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mStopped = 0;
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rotated = false;
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mContext = context;
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mPaintGreen = new Paint();
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mPaintGreen.setStyle(Paint.Style.FILL);
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mPaintGreen.setColor(Color.GREEN);
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mPaintGreen.setTextSize(18 * MainActivity.sDensity);
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mPaintGreen.setTextAlign(Paint.Align.CENTER);
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mPaintBlue = new Paint();
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mPaintBlue.setStyle(Paint.Style.FILL);
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mPaintBlue.setColor(Color.BLUE);
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mPaintBlue.setTextSize(18 * MainActivity.sDensity);
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mPaintBlue.setTextAlign(Paint.Align.CENTER);
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mPaintBlueTransparent = new Paint();
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mPaintBlueTransparent.setStyle(Paint.Style.STROKE);
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mPaintBlueTransparent.setStrokeWidth(2);
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mPaintBlueTransparent.setColor(Color.BLUE);
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mPaintBlueTransparent.setTextSize(25);
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//mBitmap = null;
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mYUVData = null;
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mRGBData = null;
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first_frame_saved = false;
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}
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@Override
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protected void onDraw(Canvas canvas) {
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if (mStopping == 1) {
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mStopped = 1;
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super.onDraw(canvas);
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return;
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}
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if (mYUVData == null || mTouchedIndex != -1) {
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super.onDraw(canvas);
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return; //nothing to process or name is being entered now
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}
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int canvasWidth = canvas.getWidth();
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//int canvasHeight = canvas.getHeight();
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// Convert from YUV to RGB
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decodeYUV420SP(mRGBData, mYUVData, mImageWidth, mImageHeight);
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// Load image to FaceSDK
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FSDK.HImage Image = new FSDK.HImage();
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FSDK.FSDK_IMAGEMODE imagemode = new FSDK.FSDK_IMAGEMODE();
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imagemode.mode = FSDK.FSDK_IMAGEMODE.FSDK_IMAGE_COLOR_24BIT;
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FSDK.LoadImageFromBuffer(Image, mRGBData, mImageWidth, mImageHeight, mImageWidth*3, imagemode);
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FSDK.MirrorImage(Image, false);
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FSDK.HImage RotatedImage = new FSDK.HImage();
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FSDK.CreateEmptyImage(RotatedImage);
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// FSDK.SaveImageToFile(Image, MainActivity.getInstance().getFilesDir().getAbsolutePath()+System.currentTimeMillis()+".jpg");
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//it is necessary to work with local variables (onDraw called not the time when mImageWidth,... being reassigned, so swapping mImageWidth and mImageHeight may be not safe)
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int ImageWidth = mImageWidth;
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//int ImageHeight = mImageHeight;
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if (rotated) {
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ImageWidth = mImageHeight;
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//ImageHeight = mImageWidth;
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FSDK.RotateImage90(Image, -1, RotatedImage);
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} else {
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FSDK.CopyImage(Image, RotatedImage);
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}
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FSDK.FreeImage(Image);
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// Save first frame to gallery to debug (e.g. rotation angle)
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/*
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if (!first_frame_saved) {
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first_frame_saved = true;
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String galleryPath = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES).getAbsolutePath();
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FSDK.SaveImageToFile(RotatedImage, galleryPath + "/first_frame.jpg"); //frame is rotated!
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}
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*/
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long IDs[] = new long[MAX_FACES];
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long face_count[] = new long[1];
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FSDK.FeedFrame(mTracker, 0, RotatedImage, face_count, IDs);
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// FSDK.FreeImage(RotatedImage);
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faceLock.lock();
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for (int i=0; i<MAX_FACES; ++i) {
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mFacePositions[i] = new FaceRectangle();
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mFacePositions[i].x1 = 0;
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mFacePositions[i].y1 = 0;
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mFacePositions[i].x2 = 0;
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mFacePositions[i].y2 = 0;
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mIDs[i] = IDs[i];
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}
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float ratio = (canvasWidth * 1.0f) / ImageWidth;
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for (int i = 0; i < (int)face_count[0]; ++i) {
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FSDK.FSDK_Features Eyes = new FSDK.FSDK_Features();
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FSDK.GetTrackerEyes(mTracker, 0, mIDs[i], Eyes);
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GetFaceFrame(Eyes, mFacePositions[i]);
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mFacePositions[i].x1 *= ratio;
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mFacePositions[i].y1 *= ratio;
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mFacePositions[i].x2 *= ratio;
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mFacePositions[i].y2 *= ratio;
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}
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if ((int)face_count[0] > 0) {
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FSDK.HImage img2 = new FSDK.HImage();
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FSDK.CreateEmptyImage(img2);
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FSDK.TFacePosition fp = new FSDK.TFacePosition();
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FSDK.DetectFace(RotatedImage, fp);
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int x1 = (int)(fp.xc - 1.2*fp.w/2);
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int y1 = (int)(fp.yc - 1.4*fp.w/2);
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int x2 = (int)(fp.xc + 1.2*fp.w/2);
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int y2 = (int)(fp.yc + 1.4*fp.w/2);
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FSDK.CopyRect(RotatedImage, x1, y1, x2, y2, img2);
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int maxWidth = 337;
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int maxHeight = 450;
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FSDK.ResizeImage(img2, Math.max((maxWidth+0.4)/(x2-x1+1), (maxHeight+0.4)/(y2-y1+1)), RotatedImage);
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System.out.println("face_count="+face_count[0]);
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String surveillancePhotoName = MainActivity.getInstance().getFilesDir().getAbsolutePath()+System.currentTimeMillis()+".jpg";
|
FSDK.SaveImageToFile(img2, surveillancePhotoName);
|
|
List bitmapList = new ArrayList();
|
for (int i = 0; i < 1; i++) {
|
NativeImg nativeImg = new NativeImg();
|
nativeImg.image = FileUtil.readFile(new File(surveillancePhotoName));
|
nativeImg.size = nativeImg.image.length;
|
SurveillanceQueryItem surveillanceQueryItem = new SurveillanceQueryItem();
|
surveillanceQueryItem.setNativeImg(nativeImg);
|
//surveillanceQueryItem.setBitmap(bitmap);
|
surveillanceQueryItem.setWidth("100");
|
surveillanceQueryItem.setHeight("100");
|
bitmapList.add(surveillanceQueryItem);
|
|
|
SurveillanceMng.getInstance().addBitmap(bitmapList, nativeImg.image, 0, CommonVariables.Camera.IN+"");
|
}
|
|
}
|
FSDK.FreeImage(RotatedImage);
|
faceLock.unlock();
|
|
int shift = (int)(22 * MainActivity.sDensity);
|
|
// Mark and name faces
|
for (int i=0; i<face_count[0]; ++i) {
|
canvas.drawRect(mFacePositions[i].x1, mFacePositions[i].y1, mFacePositions[i].x2, mFacePositions[i].y2, mPaintBlueTransparent);
|
|
boolean named = false;
|
if (IDs[i] != -1) {
|
String names[] = new String[1];
|
FSDK.GetAllNames(mTracker, IDs[i], names, 1024);
|
if (names[0] != null && names[0].length() > 0) {
|
canvas.drawText(names[0], (mFacePositions[i].x1+mFacePositions[i].x2)/2, mFacePositions[i].y2+shift, mPaintBlue);
|
named = true;
|
}
|
}
|
if (!named) {
|
canvas.drawText("Tap to name", (mFacePositions[i].x1+mFacePositions[i].x2)/2, mFacePositions[i].y2+shift, mPaintGreen);
|
}
|
}
|
|
super.onDraw(canvas);
|
} // end onDraw method
|
|
|
@Override
|
public boolean onTouchEvent(MotionEvent event) { //NOTE: the method can be implemented in Preview class
|
switch (event.getAction()) {
|
case MotionEvent.ACTION_DOWN:
|
int x = (int)event.getX();
|
int y = (int)event.getY();
|
|
faceLock.lock();
|
FaceRectangle rects[] = new FaceRectangle[MAX_FACES];
|
long IDs[] = new long[MAX_FACES];
|
for (int i=0; i<MAX_FACES; ++i) {
|
rects[i] = new FaceRectangle();
|
rects[i].x1 = mFacePositions[i].x1;
|
rects[i].y1 = mFacePositions[i].y1;
|
rects[i].x2 = mFacePositions[i].x2;
|
rects[i].y2 = mFacePositions[i].y2;
|
IDs[i] = mIDs[i];
|
}
|
faceLock.unlock();
|
|
for (int i=0; i<MAX_FACES; ++i) {
|
if (rects[i] != null && rects[i].x1 <= x && x <= rects[i].x2 && rects[i].y1 <= y && y <= rects[i].y2 + 30) {
|
mTouchedID = IDs[i];
|
|
mTouchedIndex = i;
|
|
// requesting name on tapping the face
|
final EditText input = new EditText(mContext);
|
AlertDialog.Builder builder = new AlertDialog.Builder(mContext);
|
builder.setMessage("Enter person's name" )
|
.setView(input)
|
.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
|
@Override public void onClick(DialogInterface dialogInterface, int j) {
|
FSDK.LockID(mTracker, mTouchedID);
|
FSDK.SetName(mTracker, mTouchedID, input.getText().toString());
|
FSDK.UnlockID(mTracker, mTouchedID);
|
mTouchedIndex = -1;
|
}
|
})
|
.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
|
@Override public void onClick(DialogInterface dialogInterface, int j) {
|
mTouchedIndex = -1;
|
}
|
})
|
.setCancelable(false) // cancel with button only
|
.show();
|
|
break;
|
}
|
}
|
}
|
return true;
|
}
|
|
static public void decodeYUV420SP(byte[] rgb, byte[] yuv420sp, int width, int height) {
|
final int frameSize = width * height;
|
int yp = 0;
|
for (int j = 0; j < height; j++) {
|
int uvp = frameSize + (j >> 1) * width, u = 0, v = 0;
|
for (int i = 0; i < width; i++) {
|
int y = (0xff & ((int) yuv420sp[yp])) - 16;
|
if (y < 0) y = 0;
|
if ((i & 1) == 0) {
|
v = (0xff & yuv420sp[uvp++]) - 128;
|
u = (0xff & yuv420sp[uvp++]) - 128;
|
}
|
int y1192 = 1192 * y;
|
int r = (y1192 + 1634 * v);
|
int g = (y1192 - 833 * v - 400 * u);
|
int b = (y1192 + 2066 * u);
|
if (r < 0) r = 0; else if (r > 262143) r = 262143;
|
if (g < 0) g = 0; else if (g > 262143) g = 262143;
|
if (b < 0) b = 0; else if (b > 262143) b = 262143;
|
|
rgb[3*yp] = (byte) ((r >> 10) & 0xff);
|
rgb[3*yp+1] = (byte) ((g >> 10) & 0xff);
|
rgb[3*yp+2] = (byte) ((b >> 10) & 0xff);
|
++yp;
|
}
|
}
|
}
|
} // end of ProcessImageAndDrawResults class
|
|
|
|
|
// Show video from camera and pass frames to ProcessImageAndDraw class
|
class Preview extends SurfaceView implements SurfaceHolder.Callback {
|
Context mContext;
|
SurfaceHolder mHolder;
|
Camera mCamera;
|
ProcessImageAndDrawResults mDraw;
|
boolean mFinished;
|
|
Preview(Context context, ProcessImageAndDrawResults draw) {
|
super(context);
|
mContext = context;
|
mDraw = draw;
|
|
//Install a SurfaceHolder.Callback so we get notified when the underlying surface is created and destroyed.
|
mHolder = getHolder();
|
mHolder.addCallback(this);
|
mHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
|
}
|
|
//SurfaceView callback
|
public void surfaceCreated(SurfaceHolder holder) {
|
mFinished = false;
|
|
// Find the ID of the camera
|
int cameraId = 0;
|
boolean frontCameraFound = false;
|
Camera.CameraInfo cameraInfo = new Camera.CameraInfo();
|
for (int i = 0; i < Camera.getNumberOfCameras(); i++) {
|
Camera.getCameraInfo(i, cameraInfo);
|
//if (cameraInfo.facing == Camera.CameraInfo.CAMERA_FACING_BACK)
|
if (cameraInfo.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
|
cameraId = i;
|
frontCameraFound = true;
|
}
|
}
|
|
if (frontCameraFound) {
|
mCamera = Camera.open(cameraId);
|
} else {
|
mCamera = Camera.open();
|
}
|
|
try {
|
mCamera.setPreviewDisplay(holder);
|
|
// Preview callback used whenever new viewfinder frame is available
|
mCamera.setPreviewCallback(new Camera.PreviewCallback() {
|
public void onPreviewFrame(byte[] data, Camera camera) {
|
if ( (mDraw == null) || mFinished )
|
return;
|
|
if (mDraw.mYUVData == null) {
|
// Initialize the draw-on-top companion
|
Camera.Parameters params = camera.getParameters();
|
mDraw.mImageWidth = params.getPreviewSize().width;
|
mDraw.mImageHeight = params.getPreviewSize().height;
|
mDraw.mRGBData = new byte[3 * mDraw.mImageWidth * mDraw.mImageHeight];
|
mDraw.mYUVData = new byte[data.length];
|
}
|
|
// Pass YUV data to draw-on-top companion
|
System.arraycopy(data, 0, mDraw.mYUVData, 0, data.length);
|
mDraw.invalidate();
|
}
|
});
|
}
|
catch (Exception exception) {
|
AlertDialog.Builder builder = new AlertDialog.Builder(mContext);
|
builder.setMessage("Cannot open camera" )
|
.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
|
@Override
|
public void onClick(DialogInterface dialogInterface, int i) {
|
android.os.Process.killProcess(android.os.Process.myPid());
|
}
|
})
|
.show();
|
if (mCamera != null) {
|
mCamera.release();
|
mCamera = null;
|
}
|
}
|
}
|
|
//SurfaceView callback
|
public void surfaceDestroyed(SurfaceHolder holder) {
|
// Surface will be destroyed when we return, so stop the preview.
|
// Because the CameraDevice object is not a shared resource, it's very
|
// important to release it when the activity is paused.
|
mFinished = true;
|
if (mCamera != null) {
|
mCamera.setPreviewCallback(null);
|
mCamera.stopPreview();
|
mCamera.release();
|
mCamera = null;
|
}
|
}
|
|
//SurfaceView callback, configuring camera
|
public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
|
if (mCamera == null) return;
|
|
// Now that the size is known, set up the camera parameters and begin
|
// the preview.
|
Camera.Parameters parameters = mCamera.getParameters();
|
|
//Keep uncommented to work correctly on phones:
|
//This is an undocumented although widely known feature
|
/**/
|
if (this.getResources().getConfiguration().orientation != Configuration.ORIENTATION_LANDSCAPE) {
|
parameters.set("orientation", "portrait");
|
mCamera.setDisplayOrientation(90); // For Android 2.2 and above
|
mDraw.rotated = true;
|
} else {
|
parameters.set("orientation", "landscape");
|
mCamera.setDisplayOrientation(0); // For Android 2.2 and above
|
}
|
/**/
|
|
// choose preview size closer to 640x480 for optimal performance
|
List<Camera.Size> supportedSizes = parameters.getSupportedPreviewSizes();
|
int width = 0;
|
int height = 0;
|
for (Camera.Size s: supportedSizes) {
|
if ((width - 640)*(width - 640) + (height - 480)*(height - 480) >
|
(s.width - 640)*(s.width - 640) + (s.height - 480)*(s.height - 480)) {
|
width = s.width;
|
height = s.height;
|
}
|
}
|
|
//try to set preferred parameters
|
try {
|
if (width*height > 0) {
|
parameters.setPreviewSize(width, height);
|
}
|
//parameters.setPreviewFrameRate(10);
|
parameters.setSceneMode(Camera.Parameters.SCENE_MODE_PORTRAIT);
|
parameters.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO);
|
mCamera.setParameters(parameters);
|
} catch (Exception ex) {
|
}
|
mCamera.startPreview();
|
|
parameters = mCamera.getParameters();
|
Camera.Size previewSize = parameters.getPreviewSize();
|
makeResizeForCameraAspect(1.0f / ((1.0f * previewSize.width) / previewSize.height));
|
}
|
|
private void makeResizeForCameraAspect(float cameraAspectRatio){
|
ViewGroup.LayoutParams layoutParams = this.getLayoutParams();
|
int matchParentWidth = this.getWidth();
|
int newHeight = (int)(matchParentWidth/cameraAspectRatio);
|
if (newHeight != layoutParams.height) {
|
layoutParams.height = newHeight;
|
layoutParams.width = matchParentWidth;
|
this.setLayoutParams(layoutParams);
|
this.invalidate();
|
}
|
}
|
} // end of Preview class
|
