//Get the centered position for the joystick axis
private float GetCenteredAxis(MotionEvent e, InputDevice device, Axis axis)
{
InputDevice.MotionRange range = device.GetMotionRange(axis, e.Source);
if (range != null)
{
float flat = range.Flat;
float value = e.GetAxisValue(axis);
if (System.Math.Abs(value) > flat)
{
return(value);
}
}
return(0);
}
private static float getCenteredAxis(MotionEvent evt, InputDevice device, Axis axis, int historyPos)
{
InputDevice.MotionRange range =
device.GetMotionRange(axis, evt.Source);
// A joystick at rest does not always report an absolute position of
// (0,0). Use the getFlat() method to determine the range of values
// bounding the joystick axis center.
if (range != null)
{
float flat = range.Flat;
float value =
historyPos < 0 ? evt.GetAxisValue(axis):
evt.GetHistoricalAxisValue(axis, historyPos);
// Ignore axis values that are within the 'flat' region of the
// joystick axis center.
if (Math.Abs(value) > flat)
{
return(value);
}
}
return(0);
}