OnClickListener ImageView

public class JagdActivity extends Activity {

   
    ImageView[] iv;
    int i=0;
    int delay=1000;
    int period=1000;
    Timer timer = new Timer();
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.activity_jagd);
        

        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
        setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
        int screeny = getWindowManager().getDefaultDisplay().getHeight();
        int screenx = getWindowManager().getDefaultDisplay().getWidth();
;
        final Handler handler = new Handler(){
            public void handleMessage(Message msg) {  
                super.handleMessage(msg);  
                if(msg.what == 0)  
                {  
                 if(i<9)  
                 {  
                 i++;  
                 iv[1].setImageLevel(i);  
                 }  
                 else  
                 {  
                 i=0;  
                 iv[1].setImageLevel(i);  
                 }  
                }  
         
                }
        };
        
        
        
//Arrays
        int [] iv_x = {0,screenx/8,
                       (int) Math.round(0.52*screenx),(int) Math.round(0.69*screenx),
                       0,(int) Math.round(0.26*screenx),
                       screenx/2 + screenx/35,(int) Math.round(0.8*screenx),
                       (int) Math.round(0.41*screenx)};
        int [] iv_y = {(int) Math.round(0.23*screeny),(int) Math.round(0.04*screeny),
                       (int) Math.round(0.06*screeny),(int) Math.round(0.16*screeny),
                       (int) Math.round(0.67*screeny),screeny/2,
                       (int) Math.round(0.38*screeny),(int) Math.round(0.46*screeny),
                       (int) Math.round(0.73*screeny)};
             
        iv = new ImageView[9];
           
            
            
        
// Maulwürfe
        iv[0] = (ImageView)findViewById(R.id.imageView1);
        iv[1] = (ImageView)findViewById(R.id.imageView2);
        iv[2] = (ImageView)findViewById(R.id.imageView3);
        iv[3] = (ImageView)findViewById(R.id.imageView4);
        iv[4] = (ImageView)findViewById(R.id.imageView5);
        iv[5] = (ImageView)findViewById(R.id.imageView6);
        iv[6] = (ImageView)findViewById(R.id.imageView7);
        iv[7] = (ImageView)findViewById(R.id.imageView8);
        iv[8] = (ImageView)findViewById(R.id.imageView9);
        for(int i =0;i<9;i++){
            iv[i].setPadding(iv_x[i],iv_y[i],0,0);
            iv[i].setVisibility(View.VISIBLE);
        }
      
     
 //Events    
        iv[2].setOnClickListener(new OnClickListener(){
                @Override
                public void onClick(View view){
                    
                    timer.scheduleAtFixedRate(new TimerTask()   
                    {   
                        public void run()   
                        {   
                     
                    handler.sendEmptyMessage(0);  
                      
                        }   
                    }, delay, period);
                    
                }
        });
    }
}