public ExpandableCell(Layout header, Layout body, Layout footer)
{
this.Padding = 0;
this.Spacing = 0;
this.Children.Add (header);
this.Children.Add (body);
this.Children.Add (footer);
this.body = body;
this.IsClippedToBounds = true;
var gestureRecognizer = new TapGestureRecognizer () { };
gestureRecognizer.Tapped += (sender, e) => {
double start = expanded ? bodyHeight : 0; // the starting height
double offset = expanded ? -bodyHeight : bodyHeight; // the change over the animation
expanded = !expanded;
this.body.Animate (
name: "set height",
animation: new Xamarin.Forms.Animation((val) => {
this.body.HeightRequest = start + offset*val;
}),
length: 250,
easing: Easing.CubicInOut
);
};
header.GestureRecognizers.Add (gestureRecognizer);
}
void FixChildLayouts (Layout<Xamarin.Forms.View> layout)
{
foreach (var child in layout.Children) {
if (child is Layout<Xamarin.Forms.View>) {
((Layout<Xamarin.Forms.View>)child).ForceLayout ();
FixChildLayouts (child as Layout<Xamarin.Forms.View>);
}
}
}
void FixChildLayouts (Layout<Xamarin.Forms.View> layout)
{
foreach (var child in layout.Children) {
if (child is StackLayout) {
((StackLayout)child).ForceLayout ();
FixChildLayouts (child as Layout<Xamarin.Forms.View>);
}
if (child is Xamarin.Forms.AbsoluteLayout) {
((Xamarin.Forms.AbsoluteLayout)child).ForceLayout ();
FixChildLayouts (child as Layout<Xamarin.Forms.View>);
}
}
}
private void SetupUserInterface ()
{
BackgroundColor = Colors.BackgroundColor;
NavigationPage.SetHasNavigationBar (this, false);
cancelButton = new Image {
Source = Images.CancelButton,
HorizontalOptions = LayoutOptions.Start,
HeightRequest = 25,
WidthRequest = 25
};
topLayout = new StackLayout {
Children = { cancelButton },
Padding = new Thickness (15, 15, 0, 0)
};
addFriendLabel = new Label {
Style = Application.Current.Resources["MainLabelStyle"] as Style,
Text = Strings.AddAFriend
};
usernameEntry = new MomentsEntry {
Placeholder = Strings.Username,
HeightRequest = 45
};
becomeFriendsButton = new Button {
BackgroundColor = Colors.ButtonBackgroundColor,
BorderRadius = 0,
BorderWidth = 0,
FontAttributes = FontAttributes.None,
FontFamily = Fonts.HelveticaNeueThin,
FontSize = 25,
Text = Strings.BecomeFriends,
TextColor = Colors.ButtonTextColor
};
mainLayout = new StackLayout {
Children = { topLayout, addFriendLabel, usernameEntry, becomeFriendsButton },
Spacing = 25
};
Content = mainLayout;
}
public LayoutHandler(NativeComponentRenderer renderer, XF.Layout layoutControl) : base(renderer, layoutControl)
{
LayoutControl = layoutControl ?? throw new System.ArgumentNullException(nameof(layoutControl));
}
/// <summary>
/// Initializes a new instance of the <see cref="WF.Player.BottomBarPage"/> class.
/// </summary>
public BottomBarPage() : base()
{
BackgroundColor = App.Colors.Background;
layout = new RelativeLayout()
{
BackgroundColor = Color.Transparent,
Padding = 0,
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand,
// IsClippedToBounds = false,
};
contentLayout = new StackLayout()
{
BackgroundColor = Color.Transparent,
Padding = new Thickness(0),
};
bottomLayout = new StackLayout()
{
BackgroundColor = App.Colors.Bar,
HeightRequest = barHeight,
HorizontalOptions = LayoutOptions.FillAndExpand,
Orientation = StackOrientation.Horizontal,
IsClippedToBounds = false,
};
layout.Children.Add(
contentLayout,
Constraint.Constant(0),
Constraint.Constant(0),
Constraint.RelativeToParent((parent) =>
{
return parent.Width;
}),
Constraint.RelativeToParent((parent) =>
{
return parent.Height - barHeight;
}));
#if __IOS__
// Dark grey line on iOS
var lineLayout = new BoxView()
{
BackgroundColor = App.Colors.SeparatorLine,
HeightRequest = 0.5f,
HorizontalOptions = LayoutOptions.FillAndExpand,
};
layout.Children.Add(
lineLayout,
Constraint.Constant(0),
Constraint.RelativeToParent((parent) => { return parent.Height - barHeight - 0.5f; }),
Constraint.RelativeToParent((parent) => { return parent.Width; }),
Constraint.Constant(0.5f));
#endif
layout.Children.Add(
bottomLayout,
Constraint.Constant(0),
Constraint.RelativeToParent((parent) =>
{
return parent.Height - barHeight;
}),
Constraint.RelativeToParent((parent) =>
{
return parent.Width;
}),
Constraint.Constant(barHeight));
Content = layout;
}
void UpdatePicker(Layout<View> layout)
{
foreach (var child in layout.Children)
{
if (child is Layout<View>)
{
UpdatePicker(child as Layout<View>);
}
else if (child is Picker)
{
(child as Picker).VerticalOptions = LayoutOptions.FillAndExpand;
}
}
}
