android mapview ArrayIndexOutOfBoundsException：

Question

我写了一个应用程序。该功能将纬度和经度传达给 webserver ，然后mysql访问标记map。

我使用了计时器，以便他每隔几秒就可以访问一次。但不知道为什么有异常。有没有办法解决它。

public class TeamB extends MapActivity {

protected static final int REFRESH_DATA2 = 0x00000002;
Handler mHandler2 = new Handler()
{
    @Override

    public void handleMessage(Message msg2 )

    {
        switch (msg2.what)
        {
    case REFRESH_DATA2:
            String result2 = null;
            if (msg2.obj instanceof String)
                result2 = (String) msg2.obj;
            if (result2 != null)
                if(ss>0){
                ok();
                    initMarkerOverlay();
                }
            break;
    }
    }
};
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);
    Location mLocation = getLocation(this); 
    X=mLocation.getLongitude();  
    Y=mLocation.getLatitude();  
    xx = String.valueOf(X); 
    yy = String.valueOf(Y); 

    mView = (MapView) findViewById(R.id.mView);
    ImageView v = (ImageView)findViewById(R.id.imageView1);
    v.getBackground().setAlpha(100);
    initMapView();
    Timer timers = new Timer();  
    timers.scheduleAtFixedRate(new MyTask(), 10000, 100000); 
    Timer timerl = new Timer();
    timerl.scheduleAtFixedRate(new MyTask2(), 1, 5000); 


}

private class MyTask extends TimerTask{  
    @Override  
    public void run() {  

        uri="http://1.xxx.xx.xx:8080/GGPSS2/SAVE2";
        ss=0;
        String msg2 = null ;
        Thread C = new Thread(new sendPostRunnable2(msg2));
        C.start();
    }     
}  
private class MyTask2 extends TimerTask{  
    @Override  
    public void run() {  
        uri="http://1.163.xx.xxx:8080/GGPSS2/LOAD";
        ss=1;
        String msg2 = null ;
        Thread C = new Thread(new sendPostRunnable2(msg2));
        C.start();

    }     
} 
private String sendPostDataToInternet2(String strTxt2)

{
    HttpPost httpRequest2 = new HttpPost(uri);
    List<NameValuePair> params = new ArrayList<NameValuePair>();
    params.add(new BasicNameValuePair("gpsx",xx));
    params.add(new BasicNameValuePair("gpsy",yy));
    try
    {
        httpRequest2.setEntity(new UrlEncodedFormEntity(params, HTTP.UTF_8));
        HttpResponse httpResponse2 = new DefaultHttpClient()
        .execute(httpRequest2);
        s=httpResponse2.getStatusLine().getStatusCode();
        if (httpResponse2.getStatusLine().getStatusCode() == 200)
        {
            String strResult2 = EntityUtils.toString(httpResponse2.getEntity());



            ew = strResult2;
            return strResult2;
        }
    } catch (Exception e)
    {
        e.printStackTrace();
    }

    return null;
}

class sendPostRunnable2 implements Runnable
{
    String strTxt2 = null;
    public sendPostRunnable2(String strTxt2)
    {
        this.strTxt2 = strTxt2;
    }

    @Override
    public void run()
    {
        String result2 = sendPostDataToInternet2(strTxt2);
        mHandler2.obtainMessage(REFRESH_DATA2, result2).sendToTarget();
    }
}
private void ok() 
{
    i=0;
    String html =ew;
    Document doc = Jsoup.parse(html);
    Elements as = doc.select("#dd");
    Elements bs = doc.select("#ff");
    for (Element asds : as) 
    {
        xs[i]=asds.select("div").text();
        xxs[i] = Double.parseDouble(xs[i]); 
        i++;
    }
    i=0;
    for (Element bbs : bs) 
    {
        ys[i]=bbs.select("div").text();
        yys[i] = Double.parseDouble(ys[i]); 
        i++;
    }
}
public Location getLocation(Context context) 
{  
    LocationManager locMan = (LocationManager) context  
            .getSystemService(Context.LOCATION_SERVICE);  
    Location location = locMan  
            .getLastKnownLocation(LocationManager.GPS_PROVIDER);  
    if (location == null) 
    {  
        location = locMan  
                .getLastKnownLocation(LocationManager.NETWORK_PROVIDER);  
    }  
    return location;  
} 

private void initMapView() 
{
    mView.setBuiltInZoomControls(true);
    mView.setTraffic(true);
    mlOverlay = new MyLocationOverlay(this, mView);
    mControl = mView.getController();
    mlOverlay.runOnFirstFix(new Runnable() 
    {
        public void run() 
        {
            mControl.setZoom(15);
            mControl.animateTo(mlOverlay.getMyLocation());
        }
    });
    mView.getOverlays().add(mlOverlay);     
}

private class MarkerOverlay extends ItemizedOverlay<OverlayItem> 
{
    private List<OverlayItem> olItems = new ArrayList<OverlayItem>();
    public MarkerOverlay(Drawable defaultMarker) 
    {
        super(boundCenterBottom(defaultMarker));
        if(rd>1)
        {
            for(int j=0;j<g;j++)
            {

                olItems.add(new OverlayItem(sucker[j], "???", "???"));  
            }
            populate();
            rd=0;
        }
        Timer timerl = new Timer();
        timerl.scheduleAtFixedRate(new MyTask(), 1, 6000); 
    }
    private class MyTask extends TimerTask
    {  
        @Override 
        public void run() 
        { 
            for(int j=0;j<g;j++)
            {
                olItems.remove(sucker[j]);
            }   
            populate();
            for(int j=0;j<g;j++){
                olItems.add(new OverlayItem(sucker[j], "???", "???"));  
            }                           
            populate();
        }     
    }

    @Override
    protected OverlayItem createItem(int i) 
    {
        return olItems.get(i);
    }

    @Override
    public int size() 
    {
        return olItems.size();
    }

    @Override
    protected boolean onTap(int index) 
    {
        Toast.makeText(
                TeamB.this, 
                olItems.get(index).getSnippet(), 
                Toast.LENGTH_SHORT)
                .show();
        return true;
    }
}

private void initMarkerOverlay() 
{
    g=0;
    sup=i-3;
    if(sup<0){
        sup=0;
        i=3;
    }
    for(int j=sup;j<i;j++)
    {
        sucker[g] = new GeoPoint((int) (yys[j]*1E6),(int) (xxs[j]*1E6));
        g++;
    }
    if(sx>0)
    {
        Drawable marker = getResources().getDrawable(R.drawable.suck);
        markOverlay = new MarkerOverlay(marker);
        mView.getOverlays().add(markOverlay);
        sx=0;
    }       
}

@Override
public boolean onCreateOptionsMenu(Menu menu) 
{
    MenuInflater inflater = getMenuInflater();
    inflater.inflate(R.menu.mymenu, menu);
    return true;
}

@Override
public boolean onOptionsItemSelected(MenuItem item) 
{
    switch (item.getItemId()) 
    {
    case R.id.exit:
        System.exit(0);
        return true;
    default:
        return super.onOptionsItemSelected(item);
    }
}

这是logcat错误代码：

    : E/AndroidRuntime(21872): FATAL EXCEPTION: main  :
        E/AndroidRuntime(21872): java.lang.ArrayIndexOutOfBoundsException:
        length=93; index=93  : E/AndroidRuntime(21872): at
        com.google.android.maps.ItemizedOverlay.getIndexToDraw(ItemizedOverlay.java:211)
        : E/AndroidRuntime(21872): at
        com.google.android.maps.ItemizedOverlay.draw(ItemizedOverlay.java:240)
        : E/AndroidRuntime(21872): at
        com.google.android.maps.Overlay.draw(Overlay.java:179) :
        E/AndroidRuntime(21872): at
        com.google.android.maps.OverlayBundle.draw(OverlayBundle.java:45) :
        E/AndroidRuntime(21872): at
        com.google.android.maps.MapView.onDraw(MapView.java:530) :
        E/AndroidRuntime(21872): at android.view.View.draw(View.java:11184)
        : E/AndroidRuntime(21872): at
        android.view.ViewGroup.drawChild(ViewGroup.java:2892) :
        E/AndroidRuntime(21872): at
        android.view.ViewGroup.dispatchDraw(ViewGroup.java:2494) :
        E/AndroidRuntime(21872): at
        android.view.ViewGroup.drawChild(ViewGroup.java:2890) :
        E/AndroidRuntime(21872): at
        android.view.ViewGroup.dispatchDraw(ViewGroup.java:2494) :
        E/AndroidRuntime(21872): at
        android.view.ViewGroup.drawChild(ViewGroup.java:2890) :
        E/AndroidRuntime(21872): at
        android.view.ViewGroup.dispatchDraw(ViewGroup.java:2494) :
        E/AndroidRuntime(21872): at
        android.view.ViewGroup.drawChild(ViewGroup.java:2890) :
        E/AndroidRuntime(21872): at
        android.view.ViewGroup.dispatchDraw(ViewGroup.java:2494) :
        E/AndroidRuntime(21872): at android.view.View.draw(View.java:11187)
        : E/AndroidRuntime(21872): at
        android.widget.FrameLayout.draw(FrameLayout.java:450) :
        E/AndroidRuntime(21872): at
        com.android.internal.policy.impl.PhoneWindow$DecorView.draw(PhoneWindow.java:2299)
        : E/AndroidRuntime(21872): at
        android.view.ViewRootImpl.draw(ViewRootImpl.java:2210) :
        E/AndroidRuntime(21872): at
        android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1816)
        : E/AndroidRuntime(21872): at
        android.view.ViewRootImpl.handleMessage(ViewRootImpl.java:2628) :
        E/AndroidRuntime(21872): at
        android.os.Handler.dispatchMessage(Handler.java:99) :
        E/AndroidRuntime(21872): at android.os.Looper.loop(Looper.java:137)
        : E/AndroidRuntime(21872): at
        android.app.ActivityThread.main(ActivityThread.java:4511) :
        E/AndroidRuntime(21872): at
        java.lang.reflect.Method.invokeNative(Native Method) :
        E/AndroidRuntime(21872): at
        java.lang.reflect.Method.invoke(Method.java:511) :
        E/AndroidRuntime(21872): at
        com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:980)
        : E/AndroidRuntime(21872): at
        com.android.internal.os.ZygoteInit.main(ZygoteInit.java:747) :
        E/AndroidRuntime(21872): at dalvik.system.NativeStart.main(Native
        Method)