protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.detail_item);
backgroundImage = FindViewById<ImageViewAsync>(Resource.Id.backgroundImage);
logoImage = FindViewById<ImageViewAsync>(Resource.Id.logoImage);
var txtTitle = FindViewById<TextView>(Resource.Id.txtTitle);
var position = Intent.GetIntExtra (POSITION, 0);
var image = Config.Images [position];
txtTitle.Text = position.ToString ();
ImageService.LoadUrl(image)
.Retry(3, 200)
.DownSample(200, 200)
.LoadingPlaceholder(Config.LoadingPlaceholderPath, FFImageLoading.Work.ImageSource.ApplicationBundle)
.ErrorPlaceholder(Config.ErrorPlaceholderPath, FFImageLoading.Work.ImageSource.ApplicationBundle)
.Into(logoImage);
ImageService.LoadUrl(image)
.Retry(3, 200)
.DownSample(500, 500)
.Transform(new BlurTransformation(this))
.LoadingPlaceholder(Config.LoadingPlaceholderPath, FFImageLoading.Work.ImageSource.ApplicationBundle)
.ErrorPlaceholder(Config.ErrorPlaceholderPath, FFImageLoading.Work.ImageSource.ApplicationBundle)
.Into(backgroundImage);
}
public AcquaintanceViewHolder(View itemView) : base(itemView)
{
AcquaintanceRow = itemView;
NameTextView = AcquaintanceRow.FindViewById<TextView>(Resource.Id.nameTextView);
CompanyTextView = AcquaintanceRow.FindViewById<TextView>(Resource.Id.companyTextView);
JobTitleTextView = AcquaintanceRow.FindViewById<TextView>(Resource.Id.jobTitleTextView);
ProfilePhotoImageView = AcquaintanceRow.FindViewById<ImageViewAsync>(Resource.Id.profilePhotoImageView);
}
public override void OnDestroyView()
{
if (_imgDisplay != null)
{
_imgDisplay.Dispose();
_imgDisplay = null;
}
base.OnDestroyView();
}
/// <summary>
/// Loads the image into given imageView using defined parameters.
/// </summary>
/// <param name="parameters">Parameters for loading the image.</param>
/// <param name="imageView">Image view that should receive the image.</param>
public static IScheduledWork Into(this TaskParameter parameters, ImageViewAsync imageView)
{
var target = new ImageViewTarget(imageView);
if (parameters.Source != ImageSource.Stream && string.IsNullOrWhiteSpace(parameters.Path))
{
target.SetAsEmpty();
parameters.Dispose();
return null;
}
var task = CreateTask(parameters, target);
ImageService.Instance.LoadImage(task);
return task;
}
/// <summary>
/// Only use this method if you plan to handle exceptions in your code. Awaiting this method will give you this flexibility.
/// </summary>
/// <returns>An awaitable Task.</returns>
/// <param name="parameters">Parameters for loading the image.</param>
/// <param name="imageView">Image view that should receive the image.</param>
public static Task<IScheduledWork> IntoAsync(this TaskParameter parameters, ImageViewAsync imageView)
{
var userErrorCallback = parameters.OnError;
var finishCallback = parameters.OnFinish;
var tcs = new TaskCompletionSource<IScheduledWork>();
parameters
.Error(ex => {
userErrorCallback(ex);
tcs.SetException(ex);
})
.Finish(scheduledWork => {
finishCallback(scheduledWork);
tcs.TrySetResult(scheduledWork); // we should use TrySetResult since SetException could have been called earlier. It is not allowed to set result after SetException
})
.Into(imageView);
return tcs.Task;
}
public override View OnCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
{
var view = inflater.Inflate (Resource.Layout.fragment_image, container, false);
using (var textView = view.FindViewById<TextView>(Resource.Id.textView))
{
textView.Text = _position.ToString();
}
_imgDisplay = view.FindViewById<ImageViewAsync>(Resource.Id.imgDisplay);
var urlToImage = Config.Images[_position];
ImageService.Instance.LoadUrl(urlToImage)
.Retry(3, 200)
.DownSample(300, 300)
.Transform(new CircleTransformation())
.Transform(new GrayscaleTransformation())
.LoadingPlaceholder(Config.LoadingPlaceholderPath, ImageSource.ApplicationBundle)
.ErrorPlaceholder(Config.ErrorPlaceholderPath, ImageSource.ApplicationBundle)
.Into(_imgDisplay);
return view;
}
/// <summary>
/// Loads the image into given imageView using defined parameters.
/// </summary>
/// <param name="parameters">Parameters for loading the image.</param>
/// <param name="imageView">Image view that should receive the image.</param>
public static IScheduledWork Into(this TaskParameter parameters, ImageViewAsync imageView)
{
var task = new ImageLoaderTask(ImageService.Config.DownloadCache, new MainThreadDispatcher(), ImageService.Config.Logger, parameters, imageView);
ImageService.LoadImage(task);
return task;
}
private static ImageLoaderTask CreateTask(this TaskParameter parameters, ImageViewAsync imageView)
{
var task = new ImageLoaderTask(ImageService.Config.DownloadCache, new MainThreadDispatcher(), ImageService.Config.Logger, parameters, imageView);
return task;
}
/// <summary>
/// Loads the image into given imageView using defined parameters.
/// </summary>
/// <param name="parameters">Parameters for loading the image.</param>
/// <param name="imageView">Image view that should receive the image.</param>
public static IScheduledWork Into(this TaskParameter parameters, ImageViewAsync imageView)
{
var task = CreateTask(parameters, imageView);
ImageService.LoadImage(task);
return task;
}