public CameraController()
{
memoryWarningDelegate = HandleMemoryWarningDelegate;
// make this a single instance to help memory leak
#if DEBUG
Debug.WriteLine("CameraController - Constructor");
#endif
mediaController = new MediaController();
mediaController.Canceled += (object sender, EventArgs e) =>
{
this.DismissModalViewController(false);
};
}
public override void ViewDidLoad()
{
try
{
base.ViewDidLoad();
//
if (!MediaController.IsSourceTypeAvailable(UIImagePickerControllerSourceType.Camera))
{
ShowUnsupported();
this.DismissViewControllerAsync(false);
return;
}
FreemediaController();
// set our source to the camera
mediaController.SourceType = UIImagePickerControllerSourceType.Camera;
// set
mediaController.MediaTypes = new string[] { "public.image" };
// show the camera controls
// attach the delegate
pickerDelegate = new PickerDelegate(this);
mediaController.Delegate = pickerDelegate;
this.View.AddSubview(mediaController.View);
}
catch (Exception ex)
{
Debug.WriteLine("Exception Occured in ViewDidLoad method due to " + ex.Message);
}
}
/// <summary>
/// Dismisses the view controller async.
/// </summary>
/// <returns>The view controller async.</returns>
/// <param name="animated">If set to <c>true</c> animated.</param>
public override Task DismissViewControllerAsync(bool animated)
{
try
{
if (Media != null)
{
ClearMedia(Media.Path);
}
if (mediaController != null && mediaController.Delegate != null)
{
if (mediaController.View != null)
{
mediaController.clearZoomSliderDelegate(mediaController.View.Subviews);
}
mediaController.Delegate.Dispose();
mediaController.Delegate = null;
}
if (this.View != null)
{
foreach (var view in View.Subviews)
{
view.RemoveFromSuperview();
view.Dispose();
}
}
if (this.Media != null)
{
this.Media.Dispose();
}
if (pickerDelegate != null)
{
pickerDelegate.Dispose();
pickerDelegate = null;
}
#if DEBUG
var Process2 = Process.GetCurrentProcess();
if (Process2 != null)
{
Debug.WriteLine(string.Format("memory allocated by DismissViewControllerAsync before memory release = {0}", Process2.WorkingSet64));
}
#endif
if (mediaController != null)
{
mediaController.DismissModalViewController(true);
mediaController.Dispose();
mediaController = null;
}
GC.Collect();
this.Dispose();
#if DEBUG
var Process1 = Process.GetCurrentProcess();
if (Process1 != null)
{
Debug.WriteLine(string.Format("memory allocated by DismissViewControllerAsync = {0}", Process1.WorkingSet64));
}
#endif
return(base.DismissViewControllerAsync(animated));
}
catch (Exception ex)
{
Debug.WriteLine("Exception Occured in DismissViewControllerAsync method due to " + ex.Message);
}
return(base.DismissViewControllerAsync(animated));
}
