protected override void Dispose(bool disposing)
{
if (_disposed)
{
return;
}
if (disposing)
{
_scroller?.Dispose();
_scroller = null;
RecyclerView.RemoveOnScrollListener(_scrollListener);
_scrollListener?.Dispose();
_scrollListener = null;
Adapter?.Dispose();
Adapter = null;
LayoutManager?.Dispose();
LayoutManager = null;
((IListViewController)Element).ScrollToRequested -= OnScrollToRequested;
}
_disposed = true;
base.Dispose(disposing);
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
_layoutManager?.Dispose();
_childAdapter?.Dispose();
NameView?.Dispose();
ProductRecyclerView?.Dispose();
}
base.Dispose(disposing);
}
public void LinearLayoutManagerConstructor()
{
tlog.Debug(tag, $"LinearLayoutManagerConstructor START");
var testingTarget = new LinearLayoutManager(LinearLayoutManager.HORIZONTAL);
Assert.IsNotNull(testingTarget, "should be not null");
Assert.IsInstanceOf <LinearLayoutManager>(testingTarget, "should be an instance of testing target class!");
testingTarget.Dispose();
tlog.Debug(tag, $"LinearLayoutManagerConstructor END (OK)");
}
public void LinearLayoutManagerFirstCompleteVisibleItemPosition()
{
tlog.Debug(tag, $"LinearLayoutManagerFirstCompleteVisibleItemPosition START");
var testingTarget = new LinearLayoutManager(LinearLayoutManager.HORIZONTAL);
Assert.IsNotNull(testingTarget, "should be not null");
Assert.IsInstanceOf <LinearLayoutManager>(testingTarget, "should be an instance of testing target class!");
Assert.AreEqual(testingTarget.FirstCompleteVisibleItemPosition, -1, "should be equal to 0.");
testingTarget.Dispose();
tlog.Debug(tag, $"LinearLayoutManagerFirstCompleteVisibleItemPosition END (OK)");
}
public void LinearLayoutManagerCanScrollVertically()
{
tlog.Debug(tag, $"LinearLayoutManagerCanScrollVertically START");
var testingTarget = new LinearLayoutManager(LinearLayoutManager.HORIZONTAL);
Assert.IsNotNull(testingTarget, "should be not null");
Assert.IsInstanceOf <LinearLayoutManager>(testingTarget, "should be an instance of testing target class!");
Assert.IsFalse(testingTarget.CanScrollVertically(), "should be false.");
testingTarget.Dispose();
tlog.Debug(tag, $"LinearLayoutManagerCanScrollVertically END (OK)");
}
/// <summary>
/// Dispose the specified disposing.
/// </summary>
/// <returns>The dispose.</returns>
/// <param name="disposing">If set to <c>true</c> disposing.</param>
protected override void Dispose(bool disposing)
{
if (disposing)
{
_parentPage.Appearing -= ParentPageAppearing;
_adapter?.Dispose();
_adapter = null;
_layoutManager?.Dispose();
_layoutManager = null;
_simpleCallback?.Dispose();
_simpleCallback = null;
_itemTouchhelper?.Dispose();
_itemTouchhelper = null;
}
base.Dispose(disposing);
}
protected override void OnElementChanged(Xamarin.Forms.Platform.Android.ElementChangedEventArgs <VirtualListView> e)
{
base.OnElementChanged(e);
// Clean up old
if (e.OldElement != null)
{
// Unsubscribe from event handlers and cleanup any resources
if (recyclerView?.Parent is ViewGroup vg)
{
vg.RemoveView(recyclerView);
}
recyclerView.SetAdapter(null);
recyclerView.Dispose();
recyclerView = null;
adapter.Dispose();
adapter = null;
layoutManager.Dispose();
layoutManager = null;
}
// Setup new
if (e.NewElement != null)
{
// Create the native control
if (Control == null)
{
recyclerView = new RecyclerView(Context);
layoutManager = new LinearLayoutManager(Context);
//layoutManager.Orientation = LinearLayoutManager.Horizontal;
var templateSelector = CreateTemplateSelector();
adapter = new RvAdapter(Context, e.NewElement.Adapter);
adapter.TemplateSelector = templateSelector;
adapter.Element = e.NewElement;
recyclerView.SetLayoutManager(layoutManager);
recyclerView.SetAdapter(adapter);
recyclerView.LayoutParameters = new LayoutParams(
LayoutParams.MatchParent, LayoutParams.MatchParent);
SetNativeControl(recyclerView);
}
}
}
public void OrientationHelperGetTotalSpaceChange()
{
tlog.Debug(tag, $"OrientationHelperGetTotalSpaceChange START");
var testingTarget = new LinearLayoutManager(LinearLayoutManager.VERTICAL);
Assert.IsNotNull(testingTarget, "should be not null");
Assert.IsInstanceOf <LinearLayoutManager>(testingTarget, "should be an instance of testing target class!");
try
{
testingTarget.orientationHelper.GetTotalSpaceChange();
}
catch (Exception e)
{
tlog.Debug(tag, e.Message.ToString());
Assert.Fail("Caught Exception : Failed!");
}
testingTarget.Dispose();
tlog.Debug(tag, $"OrientationHelperGetTotalSpaceChange END (OK)");
}