원코어원프로세스

  public static String humanReadableByteCount(long bytes, boolean si) {

    int unit = si ? 1000 : 1024;

    if (bytes < unit) return bytes + " B";

    int exp = (int) (Math.log(bytes) / Math.log(unit));

    String pre = (si ? "kMGTPE" : "KMGTPE").charAt(exp-1) + (si ? "" : "i");

    return String.format("%.1f %sB", bytes / Math.pow(unit, exp), pre);

  }

function setLog($msg = ""){

  $filePath = "파일이 생성될 경로";

  $fileName = "my_".date("Ymd").".log";               //파일명

  $logFile  = @fopen($filePath.$fileName, "a");

  if(!$logFile) {

    echo "\n not write permition \n\r";

  }

  fputs($logFile, $msg);

  fclose($logFile);

}

String root = Environment.getExternalStorageDirectory().toString();
File myDir = new File(root + "/Download");
myDir.mkdirs();

String fname = "image.jpg";

File file = new File (myDir, fname);
if (file.exists ()) file.delete ();
try {
  FileOutputStream out = new FileOutputStream(file);
  bitmap.compress(Bitmap.CompressFormat.JPEG, 100, out);
  out.flush();
  out.close();

  Toast.makeText(mContext, fname + "다운로드 되었습니다", Toast.LENGTH_SHORT).show();

} catch (Exception e) {
  e.printStackTrace();
}

ShapeDrawable oval = new ShapeDrawable (new OvalShape());
oval.getPaint().setStyle(Paint.Style.STROKE); // 테두리 선 스타일
oval.getPaint().setStrokeWidth(2); //테두리 선 굵기
oval.getPaint().setAntiAlias(true);
oval.getPaint().setColor(getResources().getColor(R.color.lightGray)); // 색상지정

https://codebeautify.org/

https://subicura.com/2017/11/22/mac-os-development-environment-setup.html

http://www.kmshack.kr/2015/01/%EC%95%88%EB%93%9C%EB%A1%9C%EC%9D%B4%EB%93%9C-%EB%A8%B8%ED%8B%B0%EB%A6%AC%EC%96%BC-%EB%94%94%EC%9E%90%EC%9D%B8-%EC%9C%84%EC%A0%AF-%EC%98%A4%ED%94%88%EC%86%8C%EC%8A%A4-21%EA%B0%80%EC%A7%80-2-2/

http://inloop.github.io/shadow4android/

public static boolean checkWifi(Context context) {
  boolean rtn = false;

  ConnectivityManager cm = (ConnectivityManager) context.getSystemService(context.CONNECTIVITY_SERVICE);
  NetworkInfo ni         = cm.getActiveNetworkInfo();

  if(ni != null) {
    if(ni.getType() == ConnectivityManager.TYPE_WIFI) {
      rtn = ni.isConnected();
    }
  }

  return rtn;
}

public static boolean checkLTE(Context context) {
  boolean rtn = false;

  ConnectivityManager cm = (ConnectivityManager) context.getSystemService(context.CONNECTIVITY_SERVICE);
  NetworkInfo ni         = cm.getActiveNetworkInfo();

  if(ni != null) {
    if(ni.getType() == ConnectivityManager.TYPE_MOBILE) {
      rtn = ni.isConnected();
    }
  }

  return rtn;
}

public static boolean checkNetwork(Context context) {
  boolean rtn = false;

  if(checkLTE(context) || checkWifi(context)) {
    rtn = true;
  } else {
    rtn = false;
  }

  return rtn;
}