textview lag on Android

textview lag on Android

Here is my code. the text views are separated into two groups and one
group should be better than the other
public void onLocationChanged(Location location)
{
// TODO Auto-generated method stub
if(predictionFlag)
{
longitude = location.getLongitude();
latitude = location.getLatitude();
predictionFlag = false;
}
int x = 0;
do
{
if(x != 0)
{
try
{
Thread.sleep(100);
} catch (InterruptedException e)
{
e.printStackTrace();
}
}
Location predicationPoint =
DOTGpsAppUtils.predictionAlgorithm(latitude, longitude, 1,
100);
double predictionLongitude = (longitude +
predicationPoint.getLongitude())/2;
double predictionLatitude = (latitude +
predicationPoint.getLatitude())/2;
TextView textView = (TextView)
findViewById(R.id.oneHundredMillisecondLatitude);
textView.setText(Double.valueOf(predictionLatitude).toString());
textView = (TextView)
findViewById(R.id.oneSecondCalculatedPointLongitude);
textView.setText(Double.valueOf(predictionLongitude).toString());
if(x == 9)
{
longitude = predictionLongitude;
latitude = predictionLatitude;
}
System.out.println(x);
++x;
}while(x < 10);
TextView textView = (TextView)
findViewById(R.id.startingPointLongitude);
textView.setText(Double.valueOf(location.getLongitude()).toString());
textView = (TextView) findViewById(R.id.startingPointLatitude);
textView.setText(Double.valueOf(location.getLatitude()).toString());
textView = (TextView)
findViewById(R.id.oneSecondCalculatedPointLongitude);
textView.setText(Double.valueOf(longitude).toString());
textView = (TextView)
findViewById(R.id.oneSecondCalculatedLatitude);
textView.setText(Double.valueOf(latitude).toString());
++y;
System.out.println("Thread Count:" + y);
}
I'm wondering why on the android screen does not update the
R.id.oneHundredmilliesecand faster and the other textviews. because I
think it should be able to update the screen faster