input3.txt

package Logger;
import android.os.Environment;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
/**
 * Created by AbdulAli on 12/1/2016.
 */
public class Logger {
    public static void appendLog(String text)
    {
        File path = Environment.getExternalStoragePublicDirectory(
                Environment.DIRECTORY_MOVIES);
        File logFile = new File(path,"/bangash.txt");
        if (!logFile.exists())
        {
            try
            {
                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));
            buf.append(text);
            buf.newLine();
            buf.close();
        }
        catch (IOException e)
        {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

    }
}