好久没有更新了。最近超级得忙。终于做了父亲。为了孩子忙前忙后的。一直忘了这个存在，最近闲暇。听朋友说了一个闪光灯测试心率的功能。问我会不会。
进入正题：
闪光灯测试心率是可以参考的，血压，脉搏，血氧，啥的都是不靠谱的。建议去医院做。
public class AitestActivity extends MvpActivity<AiVIEw, AiPresenter> implements AiVIEw, VIEw.OnClickListener { @BindVIEw(R.ID.currentHeartRateXueya) TextVIEw currentHeartRateXueya; @BindVIEw(R.ID.currentHeartRateXueyang) TextVIEw currentHeartRateXueyang; @BindVIEw(R.ID.currentHeartRateXueye) TextVIEw currentHeartRateXueye; @BindVIEw(R.ID.currentHeartRateBmi) TextVIEw currentHeartRateBmi; private TextVIEw currentHeartRate; // 当前心率 private button btnStart; //按钮 开始 private button btnStop; //按钮 停止 DecimalFormat df = new DecimalFormat("######0.00"); private final AtomicBoolean processing = new AtomicBoolean(false); //AndroID手机预览控件 private SurfaceVIEw prevIEw = null; //预览设置信息 private SurfaceHolder prevIEwHolder = null; //AndroID手机相机句柄 private Camera camera = null; private PowerManager.WakeLock wakeLock = null; private int averageIndex = 0; private final int averageArraySize = 4; private final int[] averageArray = new int[averageArraySize]; private AiPresenter homePresenter; private Context mContext; private Timer timer; private TimerTask task; @OverrIDe public AiPresenter createPrenter() { mContext = AitestActivity.this; homePresenter = new AiPresenter(); return homePresenter; } @OverrIDe protected voID onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // Todo: add setContentVIEw(...) invocation ButterKnife.bind(this); } @OverrIDe public voID requestSuccess(JsONObject JsonObject) { Toast.makeText(AitestActivity.this,"保存体检记录成功",Toast.LENGTH_SHORT).show(); finish(); } @OverrIDe public voID requestFailed() { Toast.makeText(AitestActivity.this,"保存体检记录失败，请重试",Toast.LENGTH_SHORT).show(); finish(); } /** * 类型枚举 */ public static enum TYPE { GREEN, RED } Handler handler=new Handler(); Runnable runnable=new Runnable(){ @OverrIDe public voID run() {// Todo auto-generated method stub//要做的事情 Calendar calendar=Calendar.getInstance();//年 int year = calendar.get(Calendar.YEAR);//月 int month = calendar.get(Calendar.MONTH)+1;//日 int day = calendar.get(Calendar.DAY_OF_MONTH); String xl = currentHeartRate.getText().toString().replaceAll("当前心率:", ""); String xy = currentHeartRateXueya.getText().toString().replaceAll("当前血压:", ""); String xuey = currentHeartRateXueyang.getText().toString().replaceAll("当前血氧:", ""); String xye = currentHeartRateXueye.getText().toString().replaceAll("当前血液黏度:", ""); String bmi = currentHeartRateBmi.getText().toString().replaceAll("当前BMI:", ""); homePresenter.getInviteCode(""+year,""+month,""+day,""+xl,""+xy,""+xuey,""+xye,""+bmi); handler.postDelayed(this, 5000); } }; //设置默认类型 private static TYPE currentType = TYPE.GREEN; //心跳下标值 private static int beatsIndex = 0; //心跳数组的大小 private static final int beatsArraySize = 3; //心跳数组 private static final int[] beatsArray = new int[beatsArraySize]; //心跳脉冲 private static double beats = 0; //开始时间 private static long startTime = 0; public static int heartRate = 0; private voID initEvent() { btnStart.setonClickListener(this); btnStop.setonClickListener(this); timer = new Timer(); task = new TimerTask() { @OverrIDe public voID run() { timer.cancel(); Calendar calendar=Calendar.getInstance();//年 int year = calendar.get(Calendar.YEAR);//月 int month = calendar.get(Calendar.MONTH)+1;//日 int day = calendar.get(Calendar.DAY_OF_MONTH); String xl = currentHeartRate.getText().toString().replaceAll("当前心率:", ""); String xy = currentHeartRateXueya.getText().toString().replaceAll("当前血压:", ""); String xuey = currentHeartRateXueyang.getText().toString().replaceAll("当前血氧:", ""); String xye = currentHeartRateXueye.getText().toString().replaceAll("当前血液黏度:", ""); String bmi = currentHeartRateBmi.getText().toString().replaceAll("当前BMI:", ""); homePresenter.getInviteCode(""+year,""+month,""+day,""+xl,""+xy,""+xuey,""+xye,""+bmi); } }; } @Suppresslint("InvalIDWakeLockTag") private voID initVIEw1() { currentHeartRate = (TextVIEw) findVIEwByID(R.ID.currentHeartRate); btnStart = (button) findVIEwByID(R.ID.btnStart); btnStop = (button) findVIEwByID(R.ID.btnStop); //获取SurfaceVIEw控件 prevIEw = (SurfaceVIEw) findVIEwByID(R.ID.ID_prevIEw); prevIEwHolder = prevIEw.getHolder(); prevIEwHolder.addCallback(surfaceCallback); prevIEwHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); wakeLock = pm.newWakeLock(PowerManager.FulL_WAKE_LOCK, "DoNotDimscreen"); } @OverrIDe public voID onClick(VIEw v) { switch (v.getID()) { case R.ID.btnStart:// handler.postDelayed(runnable, 10000);//每两秒执行一次runnable.// timer.schedule(); timer.schedule(task,60000,60000); // 开始按钮 处理时间 // 开始隐藏，结束按钮显示 btnStart.setVisibility(VIEw.GONE); btnStop.setVisibility(VIEw.VISIBLE); startTime = System.currentTimeMillis(); // 开始处理心率值 camera.startPrevIEw(); break; case R.ID.btnStop: timer.cancel(); // 结束按钮 处理逻辑 // 开始按钮显示 结束按钮隐藏 btnStart.setVisibility(VIEw.VISIBLE); btnStop.setVisibility(VIEw.GONE); // 不再处理心率值 camera.stopPrevIEw(); finish(); break; } } @OverrIDe protected int provIDeLayoutResourceID() { return R.layout.activity_aitest; } @OverrIDe protected voID initializeVIEwsAndData() { double sg = Integer.parseInt(getIntent().getStringExtra("sg")); double tz = Integer.parseInt(getIntent().getStringExtra("tz")); double i1 = sg / 100; double v = i1 * i1; double i = tz / v; String format = df.format(i); currentHeartRateBmi.setText("当前BMI:"+format); //正常人的血液黏度男性是3.84-5.30mPa·s，女性是3.39-4.41mPa·s体重指数BMI=体重/身高的平方（国际单位kg/㎡） initVIEw1(); // 定义控件的点击事件 initEvent(); } @OverrIDe protected voID dealClickAction(VIEw v) { } @OverrIDe public voID onResume() { super.onResume(); // 开启闪光灯和摄像头 wakeLock.acquire(); camera = Camera.open(); camera.setdisplayOrIEntation(90); } @OverrIDe public voID onPause() { super.onPause(); wakeLock.release(); camera.setPrevIEwCallback(null);// camera.stopPrevIEw(); camera.release(); camera = null; } // 曲线 @OverrIDe public voID onDestroy() { //当结束程序时关掉Timer if (camera != null) { camera.release(); camera = null; } super.onDestroy(); } @OverrIDe public voID onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); } /** * 相机预览方法 无需理解 * 这个方法中实现动态更新界面UI的功能， * 通过获取手机摄像头的参数来实时动态计算平均像素值、脉冲数，从而实时动态计算心率值。 */ private Camera.PrevIEwCallback prevIEwCallback = new Camera.PrevIEwCallback() { public voID onPrevIEwFrame(byte[] data, Camera cam) { if (data == null) { throw new NullPointerException(); } Camera.Size size = cam.getParameters().getPrevIEwSize(); if (size == null) { throw new NullPointerException(); } if (!processing.compareAndSet(false, true)) { return; } int wIDth = size.wIDth; int height = size.height; //图像处理 int imgAvg = ImageProcessing.decodeYUV420SPtoRedAvg(data.clone(), height, wIDth);// Log.d("aaaaaaa", "imgAvg" + imgAvg); if (imgAvg == 0 || imgAvg == 255) { processing.set(false); return; } //计算平均值 int averageArrayAvg = 0; int averageArrayCnt = 0; for (int i = 0; i < averageArray.length; i++) { if (averageArray[i] > 0) { averageArrayAvg += averageArray[i]; averageArrayCnt++; } } //计算平均值 int rollingAverage = (averageArrayCnt > 0) ? (averageArrayAvg / averageArrayCnt) : 0;// Log.d("aaaaaaa", "rollingAverage" + rollingAverage); TYPE newType = currentType; if (imgAvg < rollingAverage) { newType = TYPE.RED; if (newType != currentType) { beats++; } } else if (imgAvg > rollingAverage) { newType = TYPE.GREEN; } if (averageIndex == averageArraySize) { averageIndex = 0; } averageArray[averageIndex] = imgAvg; averageIndex++; if (newType != currentType) { currentType = newType; } //获取系统结束时间（ms） long endTime = System.currentTimeMillis(); double totalTimeInSecs = (endTime - startTime) / 1000d; if (totalTimeInSecs >= 2) { double bps = (beats / totalTimeInSecs); int dpm = (int) (bps * 60d); if (dpm < 30 || dpm > 180 || imgAvg < 200) { //获取系统开始时间（ms） startTime = System.currentTimeMillis(); //beats心跳总数 beats = 0; processing.set(false); return; } if (beatsIndex == beatsArraySize) { beatsIndex = 0; } beatsArray[beatsIndex] = dpm; beatsIndex++; int beatsArrayAvg = 0; int beatsArrayCnt = 0; for (int i = 0; i < beatsArray.length; i++) { if (beatsArray[i] > 0) { beatsArrayAvg += beatsArray[i]; beatsArrayCnt++; } } int beatsAvg = (beatsArrayAvg / beatsArrayCnt); // 这里是获取到的心率值 ：currentHeartRate Log.d("aaaaa", "心率" + beatsAvg); heartRate = beatsAvg; //获取系统时间（ms） startTime = System.currentTimeMillis(); beats = 0; } processing.set(false); } }; /** * 预览回调接口 无需理解 固定代码 */ private SurfaceHolder.Callback surfaceCallback = new SurfaceHolder.Callback() { //创建时调用 @OverrIDe public voID surfaceCreated(SurfaceHolder holder) { try { camera.setPrevIEwdisplay(prevIEwHolder); camera.setPrevIEwCallback(prevIEwCallback); } catch (Throwable t) { } } //当预览改变的时候回调此方法 @OverrIDe public voID surfaceChanged(SurfaceHolder holder, int format, int wIDth, int height) { Camera.Parameters parameters = camera.getParameters(); parameters.setFlashMode(Camera.Parameters.FLASH_MODE_TORCH); Camera.Size size = getSmallestPrevIEwSize(wIDth, height, parameters); if (size != null) { parameters.setPrevIEwSize(size.wIDth, size.height); } camera.setParameters(parameters);// camera.startPrevIEw(); } //销毁的时候调用 @OverrIDe public voID surfaceDestroyed(SurfaceHolder holder) { } }; /** * 获取相机最小的预览尺寸 无需理解， 固定代码 */ private Camera.Size getSmallestPrevIEwSize(int wIDth, int height, Camera.Parameters parameters) { Camera.Size result = null; for (Camera.Size size : parameters.getSupportedPrevIEwSizes()) { if (size.wIDth <= wIDth && size.height <= height) { if (result == null) { result = size; } else { int resultArea = result.wIDth * result.height; int newArea = size.wIDth * size.height; if (newArea < resultArea) { result = size; } } } } return result; }}这就是全部代码。
就是根据血液的红色素来测量的心率。需要调高测量时间，不然准确度太低
不想废话。。。。
public class AitestActivity extends MvpActivity<AiVIEw, AiPresenter> implements AiVIEw, VIEw.OnClickListener {
@BindVIEw(R.ID.currentHeartRateXueya) TextVIEw currentHeartRateXueya; @BindVIEw(R.ID.currentHeartRateXueyang) TextVIEw currentHeartRateXueyang; @BindVIEw(R.ID.currentHeartRateXueye) TextVIEw currentHeartRateXueye; @BindVIEw(R.ID.currentHeartRateBmi) TextVIEw currentHeartRateBmi; private TextVIEw currentHeartRate; // 当前心率 private button btnStart; //按钮 开始 private button btnStop; //按钮 停止 DecimalFormat df = new DecimalFormat("######0.00");
private final AtomicBoolean processing = new AtomicBoolean(false); //AndroID手机预览控件 private SurfaceVIEw prevIEw = null; //预览设置信息 private SurfaceHolder prevIEwHolder = null; //AndroID手机相机句柄 private Camera camera = null; private PowerManager.WakeLock wakeLock = null; private int averageIndex = 0; private final int averageArraySize = 4; private final int[] averageArray = new int[averageArraySize]; private AiPresenter homePresenter; private Context mContext; private Timer timer; private TimerTask task;
@OverrIDe public AiPresenter createPrenter() { mContext = AitestActivity.this; homePresenter = new AiPresenter(); return homePresenter; }
@OverrIDe protected voID onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // Todo: add setContentVIEw(...) invocation ButterKnife.bind(this); }
@OverrIDe public voID requestSuccess(JsONObject JsonObject) {
Toast.makeText(AitestActivity.this,"保存体检记录成功",Toast.LENGTH_SHORT).show(); finish(); }
@OverrIDe public voID requestFailed() { Toast.makeText(AitestActivity.this,"保存体检记录失败，请重试",Toast.LENGTH_SHORT).show(); finish(); }
/** * 类型枚举 */ public static enum TYPE { GREEN, RED }
Handler handler=new Handler(); Runnable runnable=new Runnable(){ @OverrIDe public voID run() {// Todo auto-generated method stub//要做的事情
Calendar calendar=Calendar.getInstance();//年 int year = calendar.get(Calendar.YEAR);//月 int month = calendar.get(Calendar.MONTH)+1;//日 int day = calendar.get(Calendar.DAY_OF_MONTH);
String xl = currentHeartRate.getText().toString().replaceAll("当前心率:", ""); String xy = currentHeartRateXueya.getText().toString().replaceAll("当前血压:", ""); String xuey = currentHeartRateXueyang.getText().toString().replaceAll("当前血氧:", ""); String xye = currentHeartRateXueye.getText().toString().replaceAll("当前血液黏度:", ""); String bmi = currentHeartRateBmi.getText().toString().replaceAll("当前BMI:", "");
homePresenter.getInviteCode(""+year,""+month,""+day,""+xl,""+xy,""+xuey,""+xye,""+bmi);
handler.postDelayed(this, 5000); } };
//设置默认类型 private static TYPE currentType = TYPE.GREEN;
//心跳下标值 private static int beatsIndex = 0; //心跳数组的大小 private static final int beatsArraySize = 3; //心跳数组 private static final int[] beatsArray = new int[beatsArraySize]; //心跳脉冲 private static double beats = 0; //开始时间 private static long startTime = 0;
public static int heartRate = 0;
private voID initEvent() { btnStart.setonClickListener(this); btnStop.setonClickListener(this);
timer = new Timer(); task = new TimerTask() { @OverrIDe public voID run() { timer.cancel(); Calendar calendar=Calendar.getInstance();//年 int year = calendar.get(Calendar.YEAR);//月 int month = calendar.get(Calendar.MONTH)+1;//日 int day = calendar.get(Calendar.DAY_OF_MONTH);
String xl = currentHeartRate.getText().toString().replaceAll("当前心率:", ""); String xy = currentHeartRateXueya.getText().toString().replaceAll("当前血压:", ""); String xuey = currentHeartRateXueyang.getText().toString().replaceAll("当前血氧:", ""); String xye = currentHeartRateXueye.getText().toString().replaceAll("当前血液黏度:", ""); String bmi = currentHeartRateBmi.getText().toString().replaceAll("当前BMI:", "");
homePresenter.getInviteCode(""+year,""+month,""+day,""+xl,""+xy,""+xuey,""+xye,""+bmi); } }; }
@Suppresslint("InvalIDWakeLockTag") private voID initVIEw1() { currentHeartRate = (TextVIEw) findVIEwByID(R.ID.currentHeartRate); btnStart = (button) findVIEwByID(R.ID.btnStart); btnStop = (button) findVIEwByID(R.ID.btnStop);
//获取SurfaceVIEw控件 prevIEw = (SurfaceVIEw) findVIEwByID(R.ID.ID_prevIEw); prevIEwHolder = prevIEw.getHolder(); prevIEwHolder.addCallback(surfaceCallback); prevIEwHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); wakeLock = pm.newWakeLock(PowerManager.FulL_WAKE_LOCK, "DoNotDimscreen");
}
@OverrIDe public voID onClick(VIEw v) { switch (v.getID()) { case R.ID.btnStart:// handler.postDelayed(runnable, 10000);//每两秒执行一次runnable.// timer.schedule(); timer.schedule(task,60000,60000); // 开始按钮 处理时间 // 开始隐藏，结束按钮显示 btnStart.setVisibility(VIEw.GONE); btnStop.setVisibility(VIEw.VISIBLE); startTime = System.currentTimeMillis(); // 开始处理心率值 camera.startPrevIEw(); break; case R.ID.btnStop: timer.cancel(); // 结束按钮 处理逻辑 // 开始按钮显示 结束按钮隐藏 btnStart.setVisibility(VIEw.VISIBLE); btnStop.setVisibility(VIEw.GONE); // 不再处理心率值 camera.stopPrevIEw();
finish(); break;
} }
@OverrIDe protected int provIDeLayoutResourceID() { return R.layout.activity_aitest; }
@OverrIDe protected voID initializeVIEwsAndData() { double sg = Integer.parseInt(getIntent().getStringExtra("sg")); double tz = Integer.parseInt(getIntent().getStringExtra("tz"));
double i1 = sg / 100; double v = i1 * i1; double i = tz / v;
String format = df.format(i); currentHeartRateBmi.setText("当前BMI:"+format); //正常人的血液黏度男性是3.84-5.30mPa·s，女性是3.39-4.41mPa·s体重指数BMI=体重/身高的平方（国际单位kg/㎡） initVIEw1(); // 定义控件的点击事件 initEvent();
}
@OverrIDe protected voID dealClickAction(VIEw v) {
}
@OverrIDe public voID onResume() { super.onResume(); // 开启闪光灯和摄像头 wakeLock.acquire(); camera = Camera.open(); camera.setdisplayOrIEntation(90); }
@OverrIDe public voID onPause() { super.onPause(); wakeLock.release(); camera.setPrevIEwCallback(null);// camera.stopPrevIEw(); camera.release(); camera = null; }
//曲线 @OverrIDe public voID onDestroy() { //当结束程序时关掉Timer if (camera != null) { camera.release(); camera = null; } super.onDestroy(); }
@OverrIDe public voID onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); }
/** * 相机预览方法 无需理解 * 这个方法中实现动态更新界面UI的功能， * 通过获取手机摄像头的参数来实时动态计算平均像素值、脉冲数，从而实时动态计算心率值。 */ private Camera.PrevIEwCallback prevIEwCallback = new Camera.PrevIEwCallback() { public voID onPrevIEwFrame(byte[] data, Camera cam) { if (data == null) { throw new NullPointerException(); } Camera.Size size = cam.getParameters().getPrevIEwSize(); if (size == null) { throw new NullPointerException(); } if (!processing.compareAndSet(false, true)) { return; } int wIDth = size.wIDth; int height = size.height;
//图像处理 int imgAvg = ImageProcessing.decodeYUV420SPtoRedAvg(data.clone(), height, wIDth);
// Log.d("aaaaaaa", "imgAvg" + imgAvg);
if (imgAvg == 0 || imgAvg == 255) { processing.set(false); return; } //计算平均值 int averageArrayAvg = 0; int averageArrayCnt = 0; for (int i = 0; i < averageArray.length; i++) { if (averageArray[i] > 0) { averageArrayAvg += averageArray[i]; averageArrayCnt++; } }
//计算平均值 int rollingAverage = (averageArrayCnt > 0) ? (averageArrayAvg / averageArrayCnt) : 0;// Log.d("aaaaaaa", "rollingAverage" + rollingAverage); TYPE newType = currentType; if (imgAvg < rollingAverage) { newType = TYPE.RED; if (newType != currentType) { beats++; } } else if (imgAvg > rollingAverage) { newType = TYPE.GREEN; }
if (averageIndex == averageArraySize) { averageIndex = 0; } averageArray[averageIndex] = imgAvg; averageIndex++;
if (newType != currentType) { currentType = newType; }
//获取系统结束时间（ms） long endTime = System.currentTimeMillis(); double totalTimeInSecs = (endTime - startTime) / 1000d; if (totalTimeInSecs >= 2) { double bps = (beats / totalTimeInSecs); int dpm = (int) (bps * 60d); if (dpm < 30 || dpm > 180 || imgAvg < 200) { //获取系统开始时间（ms） startTime = System.currentTimeMillis(); //beats心跳总数 beats = 0; processing.set(false); return; }
if (beatsIndex == beatsArraySize) { beatsIndex = 0; } beatsArray[beatsIndex] = dpm; beatsIndex++;
int beatsArrayAvg = 0; int beatsArrayCnt = 0; for (int i = 0; i < beatsArray.length; i++) { if (beatsArray[i] > 0) { beatsArrayAvg += beatsArray[i]; beatsArrayCnt++; } } int beatsAvg = (beatsArrayAvg / beatsArrayCnt); Random r = new Random();
int i1 = (r.nextInt(30)); // 这里是获取到的心率值 ：currentHeartRate Log.d("aaaaa", "心率" + beatsAvg); double v1 = (beatsAvg * 1.37) + i1; String format = df.format(v1); double v2 = (beatsAvg * 0.72) + i1; String format1 = df.format(v2);
double i2 = beatsAvg * 2; double v3 = (beatsAvg * 1.37); double v4 = (beatsAvg * 0.72); double i3 = v3 + v4 + i1; double i4 = i2 / i3; double v = i4 * 100;
String format2 = df.format(v);
// int v = (int) (beatsAvg * 2 / (beatsAvg * 1.37) + (beatsAvg * 0.72)+ i1);
currentHeartRate.setText("当前心率:" + String.valueOf(beatsAvg) );
currentHeartRateXueya.setText("当前血压:"+format + " / " + format1); currentHeartRateXueyang.setText("当前血氧:"+format2+"%");
//正常人的血液黏度男性是3.84-5.30mPa·s，女性是3.39-4.41mPa·s体重指数BMI=体重/身高的平方（国际单位kg/㎡）
double rmd = r.nextInt(530 - 339) + 339; double i = rmd / 100; currentHeartRateXueye.setText("当前血液黏度:"+i);
heartRate = beatsAvg;
//获取系统时间（ms） startTime = System.currentTimeMillis(); beats = 0; } processing.set(false); } };
/** * 预览回调接口 无需理解 固定代码 */ private SurfaceHolder.Callback surfaceCallback = new SurfaceHolder.Callback() { //创建时调用 @OverrIDe public voID surfaceCreated(SurfaceHolder holder) { try { camera.setPrevIEwdisplay(prevIEwHolder); camera.setPrevIEwCallback(prevIEwCallback); } catch (Throwable t) {
} }
//当预览改变的时候回调此方法 @OverrIDe public voID surfaceChanged(SurfaceHolder holder, int format, int wIDth, int height) { Camera.Parameters parameters = camera.getParameters(); parameters.setFlashMode(Camera.Parameters.FLASH_MODE_TORCH); Camera.Size size = getSmallestPrevIEwSize(wIDth, height, parameters); if (size != null) { parameters.setPrevIEwSize(size.wIDth, size.height); } camera.setParameters(parameters);// camera.startPrevIEw(); }
//销毁的时候调用 @OverrIDe public voID surfaceDestroyed(SurfaceHolder holder) {
} };
/** * 获取相机最小的预览尺寸 无需理解， 固定代码 */ private Camera.Size getSmallestPrevIEwSize(int wIDth, int height, Camera.Parameters parameters) { Camera.Size result = null; for (Camera.Size size : parameters.getSupportedPrevIEwSizes()) { if (size.wIDth <= wIDth && size.height <= height) { if (result == null) { result = size; } else { int resultArea = result.wIDth * result.height; int newArea = size.wIDth * size.height; if (newArea < resultArea) { result = size; } } } } return result; }}
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