public void OnGlobalLayout()
{
_bottomBar.ShyHeightAlreadyCalculated = true;
int newHeight = _outerContainer.Height + _navBarHeightCopy;
_outerContainer.LayoutParameters.Height = newHeight;
if (_bottomBar.IsShy)
{
int defaultOffset = _bottomBar.UseExtraOffset ? _navBarHeightCopy : 0;
_bottomBar.TranslationY = defaultOffset;
((CoordinatorLayout.LayoutParams)_bottomBar.LayoutParameters).Behavior = new BottomNavigationBehavior <View>(newHeight, defaultOffset, _isShy, _isTabletMode);
}
ViewTreeObserver obs = _outerContainer.ViewTreeObserver;
if (obs.IsAlive)
{
if (Build.VERSION.SdkInt >= BuildVersionCodes.JellyBean)
{
obs.RemoveOnGlobalLayoutListener(this);
}
else
{
obs.RemoveGlobalOnLayoutListener(this);
}
}
}
public void Cleanup()
{
if (null == mImageView)
{
return; // cleanup already done
}
ImageView imageView = (ImageView)(((Reference)mImageView).Get());
if (null != imageView)
{
// Remove this as a global layout listener
ViewTreeObserver observer = imageView.ViewTreeObserver;
if (null != observer && observer.IsAlive)
{
observer.RemoveGlobalOnLayoutListener(this);
}
// Remove the ImageView's reference to this
imageView.SetOnTouchListener(null);
// make sure a pending fling runnable won't be run
CancelFling();
}
if (null != mGestureDetector)
{
mGestureDetector.SetOnDoubleTapListener(null);
}
// Clear listeners too
mMatrixChangeListener = null;
mPhotoTapListener = null;
mViewTapListener = null;
// Finally, clear ImageView
mImageView = null;
}
public void RemoveFromWindow()
{
if (Parent is ViewGroup parent)
{
parent.RemoveView(this);
}
if (_bitmap != null)
{
_bitmap.Recycle();
_bitmap = null;
}
_eraser = null;
_animationFactory = null;
_canvas = null;
_handler = null;
if ((int)Build.VERSION.SdkInt < 16)
{
ViewTreeObserver.RemoveGlobalOnLayoutListener(this);
}
else
{
ViewTreeObserver.RemoveOnGlobalLayoutListener(this);
}
//mLayoutListener = null;
_prefsManager?.Close();
_prefsManager = null;
}
public void OnGlobalLayout()
{
var view = tabsContainer.GetChildAt(0);
if ((int)Build.VERSION.SdkInt < 16)
{
ViewTreeObserver.RemoveGlobalOnLayoutListener(this);
}
else
{
ViewTreeObserver.RemoveOnGlobalLayoutListener(this);
}
if (isPaddingMiddle)
{
int halfWidthFirstTab = view.Width / 2;
padding = Width / 2 - halfWidthFirstTab;
}
SetPadding(padding, PaddingTop, padding, PaddingBottom);
if (scrollOffset == 0)
{
scrollOffset = Width / 2 - padding;
}
}
public void OnGlobalLayout()
{
var view = tabsContainer.GetChildAt(0);
if ((int)Build.VERSION.SdkInt < 16)
{
ViewTreeObserver.RemoveGlobalOnLayoutListener(this);
}
else
{
ViewTreeObserver.RemoveOnGlobalLayoutListener(this);
}
if (isPaddingMiddle)
{
int halfWidthFirstTab = view.Width / 2;
paddingLeft = paddingRight = Width / 2 - halfWidthFirstTab;
}
SetPadding(paddingLeft, PaddingTop, paddingRight, PaddingBottom);
if (scrollOffset == 0)
{
scrollOffset = Width / 2 - paddingLeft;
}
currentPosition = pager.CurrentItem;
currentPositionOffset = 0f;
ScrollToChild(currentPosition, 0);
UpdateSelection(currentPosition);
}
private void DetachLayoutListener()
{
if (layoutListener != null)
{
ViewTreeObserver.RemoveGlobalOnLayoutListener(layoutListener);
layoutListener = null;
}
}
private void RemoveGlobals()
{
if ((int)Build.VERSION.SdkInt < 16)
{
ViewTreeObserver.RemoveGlobalOnLayoutListener(MyOnGlobalLayoutListner);
}
else
{
ViewTreeObserver.RemoveOnGlobalLayoutListener(MyOnGlobalLayoutListner);
}
}
public static void AddOnGlobalLayoutSingleFire(this ViewTreeObserver observer, Action callback)
{
GlobalLayoutSingleFireListener listener = null;
listener = new GlobalLayoutSingleFireListener(() =>
{
if (observer.IsAlive)
{
observer.RemoveGlobalOnLayoutListener(listener);
callback();
}
});
observer.AddOnGlobalLayoutListener(listener);
}
public void OnGlobalLayout()
{
int newHeight = _outerContainer.Height + _navBarHeightCopy;
_outerContainer.LayoutParameters.Height = newHeight;
ViewTreeObserver obs = _outerContainer.ViewTreeObserver;
if (obs.IsAlive)
{
if (Build.VERSION.SdkInt >= BuildVersionCodes.JellyBean)
{
obs.RemoveOnGlobalLayoutListener(this);
}
else
{
obs.RemoveGlobalOnLayoutListener(this);
}
}
}