///////////////////////////////////////////////////////////////////////////////////////////
// public Methods [verb]
public bool OnTouch(View v, MotionEvent e)
{
float _touchPointX = e.GetX();
Log.Info($"_touchPointX: {_touchPointX}");
MainActivity _activity = getActivity(v);
switch (e.Action)
{
case MotionEventActions.Down:
previousTouchPointX = (int)_touchPointX;
break;
case MotionEventActions.Up:
float _dx = _touchPointX - previousTouchPointX;
if ((Math.Abs(_dx) > 1)) // TouchDown時のタッチ座標とTouchUp時の座標を比較しどちらにフリックしたか判定
{
if (_dx > 0)
{
Log.Info($"{_activity.Idx}/{_activity.Count} touchX: {_touchPointX} 右へフリック: {_dx}");
_activity.Increment();
}
else
{
Log.Info($"{_activity.Idx}/{_activity.Count} touchX: {_touchPointX} 左へフリック: {_dx}");
_activity.Decrement();
}
}
break;
default:
break;
}
return(true);
}