Timer.schedule wiederholt aufrufen

import java.util.*;

import android.app.Activity;
import android.os.*;
import android.widget.*;

import android.util.*;

public class test extends Activity {
    /** Called when the activity is first created. */    
    private ImageView blinker;
    
    private Timer blinkTimer = null;
    
    private Handler handler = new Handler();

    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        blinker  = (ImageView) findViewById(R.id.blinker);
        
        blinkTimer = new Timer("gameTimer");
    }

    public void onResume() {
        super.onResume();
        blinken();
    }
    
    public void onPause() {
        blinkTimer.cancel();
        super.onPause();
    }

    TimerTask blinkTimerTask = new TimerTask() {
        public void run() {
            handler.post(new Runnable() {
                   
                   public void run() {   
                       blinken();
                   }
            });
        }
    };
    
    public void blinken() {
        if (blinker.getVisibility() == ImageView.INVISIBLE) {
            blinker.setVisibility(ImageView.VISIBLE);
        } else {
            blinker.setVisibility(ImageView.INVISIBLE);
        }
        blinkTimer.schedule(blinkTimerTask, 800);
    }
}

    public void startBlinkerTimer(int delay) {
        blinkTimer.schedule(new TimerTask() {
            public void run() {
                handler.post(new Runnable() {
                       
                       public void run() {   
                           blinken();
                       }
                });
            }
        }, delay);
    }

    public void blinken() {
        if (blinker.getVisibility() == ImageView.INVISIBLE) {
            blinker.setVisibility(ImageView.VISIBLE);
        } else {
            blinker.setVisibility(ImageView.INVISIBLE);
        }
        
        startBlinkerTimer(1);
    }