/* Pre:
* Checks if points are detected.
*/
public void Visit(Touchscreen ts)
{
if (ts == null)
{
return;
}
TouchPoint[] points = ts.GetTouches();
if (points.Length == 0)
{
MessageBox.Show("Diagnostics: Couldn't find any points from touch screen!");
}
else
{
MessageBox.Show("Diagnostics: Could find points: " + points.Length);
}
}
/* Pre:
* Simulation : process touch screen for interacting with interface of app
*/
public void Visit(Touchscreen ts)
{
if (ts == null)
{
return;
}
TouchPoint[] points = ts.GetTouches();
int index = points.Length;
TouchPoint average = new TouchPoint {
x = 0, y = 0
};
while (--index > 0)
{
average.x += points[index].x;
average.y += points[index].y;
}
average.x /= points.Length;
average.y /= points.Length;
MessageBox.Show("Mobile app: Average point position: { x = " + average.x + ", y = " + average.y + " } of " + points.Length + " points");
}