public override void ViewDidLoad()
{
base.ViewDidLoad();
if (Source != null)
{
Source.Dispose();
Source = null;
}
imageCollectionView.DataSource = null;
if (cameraView.Image != null)
{
cameraView.Image.Dispose();
cameraView.Image = null;
}
cameraView.Layer.CornerRadius = 5f;
cameraView.Layer.BorderColor = UIColor.LightGray.CGColor;
cameraView.Layer.BorderWidth = 0.5f;
cameraView.Layer.ShadowColor = UIColor.LightGray.CGColor;
cameraView.Layer.ShadowOpacity = 0.5f;
cameraView.Layer.ShadowRadius = 1.0f;
cameraView.Layer.ShadowOffset = new System.Drawing.SizeF(1f, 1f);
cameraView.Layer.MasksToBounds = false;
takePictureButton.TouchUpInside -= HandleTouchUpInside;
takePictureButton.TouchUpInside += HandleTouchUpInside;
finishButton.TouchUpInside -= FinishButton_TouchUpInside;
finishButton.TouchUpInside += FinishButton_TouchUpInside;
imageCollectionView.BackgroundColor = UIColor.Clear;
try
{
Debug.WriteLine("UICameraController - line 226");
if (MediaLst != null && MediaLst.Count > 0)
{
cameraView.Image = MediaLst[MediaLst.Count - 1].Image;
cameraImage.Hidden = true;
if (imagesList != null)
{
imagesList.Clear();
}
foreach (var img in MediaLst)
{
imagesList.Add(img.Image);
}
MediaLst.Clear();
}
Source = new CameraDataSource(imagesList, this);
imageCollectionView.DataSource = Source;
this.cameraImageView = cameraView;
}
catch (Exception ex)
{
Debug.WriteLine("Exception Occured in ViewDidLoad method due to " + ex.Message);
}
}
public override Task DismissViewControllerAsync(bool animated)
{
ClearCollectionView();
try
{
this.Media = null;
//if (MediaLst != null) {
// foreach (var view in MediaLst) {
// if (view is UIImageView) {
// (view as UIImageView).Image = null;
// }
// view.RemoveFromSuperview ();
// view.Dispose ();
// }
// MediaLst.Clear ();
// MediaLst = null;
//}
if (image != null)
{
image.Image = null;
image = null;
}
if (cameraView != null)
{
cameraView.Image = null;
cameraView.Dispose();
}
if (currentSelectedImageView != null)
{
currentSelectedImageView.Image = null;
currentSelectedImageView = null;
}
if (Source != null)
{
Source.Dispose();
Source = null;
}
this.Dispose();
GC.Collect();
}
catch (Exception ex)
{
Debug.WriteLine("Exception Occured in DismissViewControllerAsync method due to " + ex.Message);
}
return(base.DismissViewControllerAsync(animated));
}
private void ClearCollectionView()
{
try
{
if (imageCollectionView != null)
{
if (imageCollectionView.Subviews != null)
{
foreach (var view in imageCollectionView.Subviews)
{
if (view is UIImageView)
{
(view as UIImageView).Image = null;
}
view.RemoveFromSuperview();
view.Dispose();
}
}
imageCollectionView.Source = null;
imageCollectionView.Delegate = null;
imageCollectionView.DataSource = null;
imageCollectionView.WeakDelegate = null;
imageCollectionView.WeakDataSource = null;
imageCollectionView.Dispose();
}
if (this.View != null)
{
if (this.View.Subviews != null)
{
foreach (var view in this.View.Subviews)
{
view.RemoveFromSuperview();
view.Dispose();
}
}
}
pictureTaken = null;
pictureCollection = null;
picture = null;
if (image != null)
{
image.Image = null;
image.RemoveFromSuperview();
image.Dispose();
}
Source = null;
imagesList = null;
collectionViewCell = null;
if (cameraImageView != null)
{
cameraImageView.Image = null;
cameraImageView.RemoveFromSuperview();
cameraImageView.Dispose();
}
if (cameraImage != null)
{
cameraImage.Image = null;
cameraImage.RemoveFromSuperview();
cameraImage.Dispose();
}
if (cameraView != null)
{
cameraView.Image = null;
cameraView.RemoveFromSuperview();
cameraView.Dispose();
}
GC.Collect();
}
catch (Exception ex)
{
Debug.WriteLine("Exception Occured in ClearCollectionView method due to " + ex.Message);
}
}
