public void UnRegisterForKeyboardNotifications()
{
disposableWillShow?.Dispose();
disposableWillHide?.Dispose();
disposableWillShow = null;
disposableWillHide = null;
CurrentViewTreeObserver.RemoveOnGlobalLayoutListener(keyboardListner);
keyboardListner = null;
}
public void RegisterForKeyboardNotifications()
{
keyboardListner = keyboardListner ?? new KeyboardListner();
CurrentViewTreeObserver.AddOnGlobalLayoutListener(keyboardListner);
willShow = willShow ?? Observable.FromEventPattern <double>(h => keyboardListner.KeyboardWillShow += h, h => keyboardListner.KeyboardWillShow -= h);
disposableWillShow = disposableWillShow ?? willShow.Subscribe(ep => KeyboardListner_KeyboardWillShow(ep.Sender, ep.EventArgs));
willHide = willHide ?? Observable.FromEventPattern <double>(h => keyboardListner.KeyboardWillHide += h, h => keyboardListner.KeyboardWillHide -= h);
disposableWillHide = disposableWillHide ?? willHide.Subscribe(ep => KeyboardListner_KeyboardWillHide(ep.Sender, ep.EventArgs));
}
