hello

my page change listener is not working

internal class MyPageChangeListener : Java.Lang.Object, ViewPager.IOnPageChangeListener
{
public MyPageChangeListener(MainActivity activity)
{
this.activim = activity;
Toast.MakeText(activim, "Tammadır", ToastLength.Long).Show();
System.Diagnostics.Debug.WriteLine("sadgasg");
}
public MainActivity activim;
public void OnPageScrolled(int position, float positionOffset, int positionOffsetPixels)
{
Toast.MakeText(activim, "Tammadır", ToastLength.Long).Show();
System.Diagnostics.Debug.WriteLine("OnPageSelected" + " " + position);
}

public void OnPageScrollStateChanged(int position)
{
Toast.MakeText(activim, "Tammadır", ToastLength.Long).Show();
System.Diagnostics.Debug.WriteLine("OnPageSelected" + " " + position);
}

public void OnPageSelected(int position)
{
Toast.MakeText(activim, "Tammadır", ToastLength.Long).Show();
System.Diagnostics.Debug.WriteLine("OnPageSelected" + " " + position);

}
}