import android.widget.*;
import android.view.*;
import android.content.Context;
import android.app.Activity;
import java.util.Timer;
import java.util.TimerTask;

public class main {
  static class Lg {
    ScrollView sv;
    TextView tv;
    StringBuilder buf = new StringBuilder();
    
    Lg(Activity context) {
      sv = new ScrollView(context);
      tv = new TextView(context);
      tv.setText(buf.toString());
      sv.addView(tv);
    }
    
    View getView() {
      return sv;
    }
    
    void print(String s) {
      buf.append(s);
      tv.setText(buf.toString());
    }
    
    void println(String s) {
      print(s + "\n");
    }
  }
  
  static Lg log;
  
  public static View main(final Activity context) {
    log = new Lg(context);
    Timer myTimer = new Timer();
    myTimer.schedule(new TimerTask() {          
      public void run() {
        context.runOnUiThread(new Runnable() {
          public void run() {
            log.println("More text");
          }
        });
      }
    }, 0, 1000);
    
    return log.getView();
  }
}

Began life as a copy of #1000404