public ImageAdapter(Activity activity, ImageSearchViewModel viewModel)
{
this.viewModel = viewModel;
this.activity = activity;
this.viewModel.Images.CollectionChanged += (sender, args) =>
{
this.activity.RunOnUiThread(NotifyDataSetChanged);
};
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
viewModel = new ImageSearchViewModel();
//Setup RecyclerView
adapter = new ImageAdapter(this, viewModel);
recyclerView = FindViewById<RecyclerView>(Resource.Id.recyclerView);
recyclerView.SetAdapter(adapter);
layoutManager = new GridLayoutManager(this, 2);
recyclerView.SetLayoutManager(layoutManager);
progressBar = FindViewById<ProgressBar>(Resource.Id.my_progress);
progressBar.Visibility = ViewStates.Gone;
var query = FindViewById<EditText>(Resource.Id.my_query);
// Get our button from the layout resource,
// and attach an event to it
var clickButton = FindViewById<Button>(Resource.Id.my_button);
//Button Click event to get images
clickButton.Click += async (sender, args) =>
{
clickButton.Enabled = false;
progressBar.Visibility = ViewStates.Visible;
await viewModel.SearchForImagesAsync(query.Text.Trim());
progressBar.Visibility = ViewStates.Gone;
clickButton.Enabled = true;
};
UserDialogs.Init(this);
SupportActionBar.SetDisplayHomeAsUpEnabled(false);
SupportActionBar.SetHomeButtonEnabled(false);
}
public override void ViewDidLoad ()
{
base.ViewDidLoad ();
viewModel = new ImageSearchViewModel();
CollectionViewImages.WeakDataSource = this;
//Button Click event to get images
ButtonSearch.TouchUpInside += async (sender, args) =>
{
ButtonSearch.Enabled = false;
ActivityIsLoading.StartAnimating();
await viewModel.SearchForImagesAsync(TextFieldQuery.Text);
CollectionViewImages.ReloadData();
ButtonSearch.Enabled = true;
ActivityIsLoading.StopAnimating();
};
}
