store Logs in a txt file using the android.util.log

FileLogger.java

import android.os.Environment;
import android.util.Log;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.logging.FileHandler;

/**
 * @author Rakesh.Jha
 * Date - 07/10/2013
 * Definition - Logger file use to keep Log info to external SD with the simple method
 */

public class FileLogger {

    public static FileHandler logger = null;
    private static String filename = "ProjectName_Log";

    static boolean isExternalStorageAvailable = false;
    static boolean isExternalStorageWriteable = false;
    static String state = Environment.getExternalStorageState();

    public static void addRecordToLog(String message) {

        if (Environment.MEDIA_MOUNTED.equals(state)) {
            // We can read and write the media 
            isExternalStorageAvailable = isExternalStorageWriteable = true;
        } else if (Environment.MEDIA_MOUNTED_READ_ONLY.equals(state)) {
            // We can only read the media 
            isExternalStorageAvailable = true;
            isExternalStorageWriteable = false;
        } else {
            // Something else is wrong. It may be one of many other states, but all we need 
            //  to know is we can neither read nor write 
            isExternalStorageAvailable = isExternalStorageWriteable = false;
        }

        File dir = new File("/sdcard/Files/ITS_A90/logs");
        if (Environment.MEDIA_MOUNTED.equals(state)) {
            if (!dir.exists()) {
                Log.d("Dir created ", "Dir created ");
                dir.mkdirs();
            }

            File logFile = new File("/sdcard/Files/ITS_A90/logs/" + filename + ".txt");

            if (!logFile.exists()) {
                try {
                    Log.d("File created ", "File created ");
                    logFile.createNewFile();
                } catch (IOException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            }
            try {
                //BufferedWriter for performance, true to set append to file flag
                BufferedWriter buf = new BufferedWriter(new FileWriter(logFile, true));
                String msg = getDate() + "   " + message;
                buf.write(msg + "\r\n");
                //buf.append(message);
                buf.newLine();
                buf.flush();
                buf.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }


    private static String getDate() {


        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd  hh-mm-ss"); //EEEE, dd-MMM-yyyy hh-mm-ss a
        Calendar calendar = Calendar.getInstance();

        return simpleDateFormat.format(calendar.getTime());
    }
}