import android.widget.*;

import android.view.*;

import android.content.Context;

import android.app.Activity;

import java.util.Timer;

import java.util.TimerTask;

import java.io.*;

public class main {

  static class Lg {

    Activity context;

    ScrollView sv;

    TextView tv;

    StringBuilder buf = new StringBuilder();

    Lg(Activity context) {

      this.context = context;

      sv = new ScrollView(context);

      tv = new TextView(context);

      tv.setText(buf.toString());

      sv.addView(tv);

    }

    View getView() {

      return sv;

    }

    void print(final String s) {

      context.runOnUiThread(new Runnable() {

        public void run() {

          buf.append(s);

          tv.setText(buf.toString());

        }

      });

    }

    void println(String s) {

      print(s + "\n");

    }

  }

  static Lg lg;

  public static View main(final Activity context) {

    lg = new Lg(context);

    OutputStream outputStream = new OutputStream() {

      public void write(int b) {

        try {

          lg.print(new String(new byte[] {(byte) b}, "UTF-8")); // This is crap

        } catch (UnsupportedEncodingException e) {}

      }

      @Override

      public void write(byte[] b, int off, int len) {

        try {

          lg.print(new String(b, off, len, "UTF-8")); // This is crap

        } catch (UnsupportedEncodingException e) {}

      }

    };

    PrintStream ps = new PrintStream(outputStream, true);

    System.setOut(ps);

    System.setErr(ps);

    new Thread() {

      public void run() {

        try {

          String file = "input.txt";

          // Fails - "read-only file system, /input.txt"

          // FileOutputStream out = new FileOutputStream(file);

          FileOutputStream out = context.openFileOutput(file, Context.MODE_PRIVATE);

          PrintStream ps = new PrintStream(out);

          ps.println("hello");

          ps.close();

          out.close();

          System.out.println("Wrote to " + file);

          //FileInputStream in = new FileInputStream(file);

          FileInputStream in = context.openFileInput(file);

          int b = in.read();

          in.close();

          System.out.println("Read from " + file + ": " + (char) b);

        } catch (Throwable e) {

          e.printStackTrace();

        }

      }

    }.start();

    return lg.getView();

  }

}