public void CreateGradient()
{
//Need to convert the colors to Android Color objects
var androidColors = new int[] { _startColor.ToAndroid(), _endColor.ToAndroid() };
var gradient = new GradientDrawable(GradientDrawable.Orientation.LeftRight, androidColors);
layout.SetBackground(gradient);
}
void UpdateTitleViewLayoutBackground(LinearLayout titleViewLayout, string backgroundResource, Android.Graphics.Drawables.Drawable defaultBackground)
{
if (!string.IsNullOrEmpty(backgroundResource))
{
titleViewLayout?.SetBackgroundResource(this.Context.Resources.GetIdentifier(backgroundResource, "drawable", Android.App.Application.Context.PackageName));
}
else
{
titleViewLayout?.SetBackground(defaultBackground);
}
}
public void CreateGradient()
{
//Need to convert the colors to Android Color objects
int[] androidColors = new int[gradientColors.Count()];
for (int i = 0; i < gradientColors.Count(); i++)
{
Xamarin.Forms.Color temp = gradientColors[i];
androidColors[i] = temp.ToAndroid();
}
GradientDrawable gradient = new GradientDrawable(GradientDrawable.Orientation.LeftRight, androidColors);
if (roundCorners)
{
gradient.SetCornerRadii(new float[] { cornerRadius, cornerRadius, cornerRadius, cornerRadius, cornerRadius, cornerRadius, cornerRadius, cornerRadius });
}
layout.SetBackground(gradient);
}
protected virtual BottomSheetDialog CreateMoreBottomSheet(Action <int, BottomSheetDialog> selectCallback)
{
var bottomSheetDialog = new BottomSheetDialog(Context);
var bottomSheetLayout = new LinearLayout(Context);
using (var bottomShellLP = new LP(LP.MatchParent, LP.WrapContent))
bottomSheetLayout.LayoutParameters = bottomShellLP;
bottomSheetLayout.Orientation = Orientation.Vertical;
// handle the more tab
for (int i = _bottomView.MaxItemCount - 1; i < ShellItem.Items.Count; i++)
{
var closure_i = i;
var shellContent = ShellItem.Items[i];
using (var innerLayout = new LinearLayout(Context))
{
innerLayout.SetClipToOutline(true);
innerLayout.SetBackground(CreateItemBackgroundDrawable());
innerLayout.SetPadding(0, (int)Context.ToPixels(6), 0, (int)Context.ToPixels(6));
innerLayout.Orientation = Orientation.Horizontal;
using (var param = new LP(LP.MatchParent, LP.WrapContent))
innerLayout.LayoutParameters = param;
// technically the unhook isn't needed
// we dont even unhook the events that dont fire
void clickCallback(object s, EventArgs e)
{
selectCallback(closure_i, bottomSheetDialog);
if (!innerLayout.IsDisposed())
{
innerLayout.Click -= clickCallback;
}
}
innerLayout.Click += clickCallback;
var image = new ImageView(Context);
var lp = new LinearLayout.LayoutParams((int)Context.ToPixels(32), (int)Context.ToPixels(32))
{
LeftMargin = (int)Context.ToPixels(20),
RightMargin = (int)Context.ToPixels(20),
TopMargin = (int)Context.ToPixels(6),
BottomMargin = (int)Context.ToPixels(6),
Gravity = GravityFlags.Center
};
image.LayoutParameters = lp;
lp.Dispose();
image.ImageTintList = ColorStateList.ValueOf(Color.Black.MultiplyAlpha(0.6).ToAndroid());
ShellContext.ApplyDrawableAsync(shellContent, ShellSection.IconProperty, icon =>
{
if (!image.IsDisposed())
{
image.SetImageDrawable(icon);
}
});
innerLayout.AddView(image);
using (var text = new TextView(Context))
{
text.Typeface = "sans-serif-medium".ToTypeFace();
text.SetTextColor(AColor.Black);
text.Text = shellContent.Title;
lp = new LinearLayout.LayoutParams(0, LP.WrapContent)
{
Gravity = GravityFlags.Center,
Weight = 1
};
text.LayoutParameters = lp;
lp.Dispose();
innerLayout.AddView(text);
}
bottomSheetLayout.AddView(innerLayout);
}
}
bottomSheetDialog.SetContentView(bottomSheetLayout);
bottomSheetLayout.Dispose();
return(bottomSheetDialog);
}
private void LastPage_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
var lastPage = sender as Page;
if (e.PropertyName == CustomNavigationPage.HasShadowProperty.PropertyName)
{
UpdateToolbarShadow(_toolbar, CustomNavigationPage.GetHasShadow(lastPage), Context as Activity, _originalWindowContent);
}
else if (e.PropertyName == CustomNavigationPage.TitleBackgroundProperty.PropertyName)
{
UpdateTitleViewLayoutBackground(_titleViewLayout, CustomNavigationPage.GetTitleBackground(lastPage), _originalDrawable);
}
else if (e.PropertyName == CustomNavigationPage.BarBackgroundProperty.PropertyName)
{
UpdateToolbarBackground(_toolbar, lastPage, Context as Activity, _originalToolbarBackground);
}
else if (e.PropertyName == CustomNavigationPage.GradientColorsProperty.PropertyName)
{
UpdateToolbarBackground(_toolbar, lastPage, Context as Activity, _originalToolbarBackground);
}
else if (e.PropertyName == CustomNavigationPage.GradientDirectionProperty.PropertyName)
{
UpdateToolbarBackground(_toolbar, lastPage, Context as Activity, _originalToolbarBackground);
}
else if (e.PropertyName == CustomNavigationPage.BarBackgroundOpacityProperty.PropertyName)
{
UpdateToolbarBackground(_toolbar, lastPage, Context as Activity, _originalToolbarBackground);
}
else if (e.PropertyName == CustomNavigationPage.TitleBorderCornerRadiusProperty.PropertyName)
{
_titleViewLayout?.SetBackground(CreateShape(ShapeType.Rectangle, (int)CustomNavigationPage.GetTitleBorderWidth(lastPage), (int)CustomNavigationPage.GetTitleBorderCornerRadius(lastPage), CustomNavigationPage.GetTitleFillColor(lastPage), CustomNavigationPage.GetTitleBorderColor(lastPage)));
}
else if (e.PropertyName == CustomNavigationPage.TitleBorderWidthProperty.PropertyName)
{
_titleViewLayout?.SetBackground(CreateShape(ShapeType.Rectangle, (int)CustomNavigationPage.GetTitleBorderWidth(lastPage), (int)CustomNavigationPage.GetTitleBorderCornerRadius(lastPage), CustomNavigationPage.GetTitleFillColor(lastPage), CustomNavigationPage.GetTitleBorderColor(lastPage)));
}
else if (e.PropertyName == CustomNavigationPage.TitleBorderColorProperty.PropertyName)
{
_titleViewLayout?.SetBackground(CreateShape(ShapeType.Rectangle, (int)CustomNavigationPage.GetTitleBorderWidth(lastPage), (int)CustomNavigationPage.GetTitleBorderCornerRadius(lastPage), CustomNavigationPage.GetTitleFillColor(lastPage), CustomNavigationPage.GetTitleBorderColor(lastPage)));
}
else if (e.PropertyName == CustomNavigationPage.TitleFillColorProperty.PropertyName)
{
_titleViewLayout?.SetBackground(CreateShape(ShapeType.Rectangle, (int)CustomNavigationPage.GetTitleBorderWidth(lastPage), (int)CustomNavigationPage.GetTitleBorderCornerRadius(lastPage), CustomNavigationPage.GetTitleFillColor(lastPage), CustomNavigationPage.GetTitleBorderColor(lastPage)));
}
else if (e.PropertyName == CustomNavigationPage.TitlePositionProperty.PropertyName)
{
UpdateTitleViewLayoutAlignment(_titleViewLayout, _titleTextView, _subTitleTextView, CustomNavigationPage.GetTitlePosition(lastPage));
//UpdateTitleViewLayout(lastPage, _titleViewLayout, _titleTextView, _subTitleTextView, _originalDrawable);
}
else if (e.PropertyName == CustomNavigationPage.TitlePaddingProperty.PropertyName)
{
UpdateTitleViewLayoutPadding(_titleViewLayout, CustomNavigationPage.GetTitlePadding(lastPage));
}
else if (e.PropertyName == CustomNavigationPage.TitleMarginProperty.PropertyName)
{
UpdateTitleViewLayoutMargin(_titleViewLayout, CustomNavigationPage.GetTitleMargin(lastPage));
}
else if (e.PropertyName == CustomNavigationPage.TitleColorProperty.PropertyName)
{
UpdateToolbarTextColor(_titleTextView, CustomNavigationPage.GetTitleColor(lastPage), _originalColorStateList);
}
else if (e.PropertyName == CustomNavigationPage.TitleFontProperty.PropertyName)
{
UpdateToolbarTextFont(_titleTextView, CustomNavigationPage.GetTitleFont(lastPage), _originalFont);
}
else if (e.PropertyName == Page.TitleProperty.PropertyName)
{
UpdateTitleText(_titleTextView, lastPage.Title);
}
else if (e.PropertyName == CustomPage.FormattedTitleProperty.PropertyName && (lastPage is CustomPage))
{
var cPage = lastPage as CustomPage;
UpdateFormattedTitleText(_titleTextView, cPage.FormattedTitle, cPage.Title);
}
else if (e.PropertyName == CustomNavigationPage.SubtitleColorProperty.PropertyName)
{
UpdateToolbarTextColor(_subTitleTextView, CustomNavigationPage.GetSubtitleColor(lastPage), _originalColorStateList);
}
else if (e.PropertyName == CustomNavigationPage.SubtitleFontProperty.PropertyName)
{
UpdateToolbarTextFont(_subTitleTextView, CustomNavigationPage.GetSubtitleFont(lastPage), _originalFont);
}
else if (e.PropertyName == CustomPage.SubtitleProperty.PropertyName && (lastPage is CustomPage))
{
var cPage = lastPage as CustomPage;
if (!string.IsNullOrEmpty(cPage.Subtitle))
{
_subTitleTextView.Text = cPage.Subtitle;
_subTitleTextView.Visibility = ViewStates.Visible;
}
else
{
ClearTextView(_subTitleTextView, true);
}
}
else if (e.PropertyName == CustomPage.FormattedTitleProperty.PropertyName && (lastPage is CustomPage))
{
var cPage = lastPage as CustomPage;
if (cPage.FormattedSubtitle != null && cPage.FormattedSubtitle.Spans.Count > 0)
{
_subTitleTextView.TextFormatted = cPage.FormattedSubtitle.ToAttributed(Font.Default, Xamarin.Forms.Color.Default, _subTitleTextView);
_subTitleTextView.Visibility = ViewStates.Visible;
}
else
{
ClearTextView(_subTitleTextView, true);
}
}
}
protected virtual BottomSheetDialog CreateMoreBottomSheet(Action <int, BottomSheetDialog> selectCallback)
{
var bottomSheetDialog = new BottomSheetDialog(Context);
var bottomSheetLayout = new LinearLayout(Context);
using (var bottomShellLP = new LP(LP.MatchParent, LP.WrapContent))
bottomSheetLayout.LayoutParameters = bottomShellLP;
bottomSheetLayout.Orientation = Orientation.Vertical;
// handle the more tab
var items = ((IShellItemController)ShellItem).GetItems();
for (int i = _bottomView.MaxItemCount - 1; i < items.Count; i++)
{
var closure_i = i;
var shellContent = items[i];
using (var innerLayout = new LinearLayout(Context))
{
innerLayout.SetClipToOutline(true);
innerLayout.SetBackground(CreateItemBackgroundDrawable());
innerLayout.SetPadding(0, (int)Context.ToPixels(6), 0, (int)Context.ToPixels(6));
innerLayout.Orientation = Orientation.Horizontal;
using (var param = new LP(LP.MatchParent, LP.WrapContent))
innerLayout.LayoutParameters = param;
// technically the unhook isn't needed
// we dont even unhook the events that dont fire
void clickCallback(object s, EventArgs e)
{
selectCallback(closure_i, bottomSheetDialog);
if (!innerLayout.IsDisposed())
{
innerLayout.Click -= clickCallback;
}
}
innerLayout.Click += clickCallback;
var image = new ImageView(Context);
var lp = new LinearLayout.LayoutParams((int)Context.ToPixels(32), (int)Context.ToPixels(32))
{
LeftMargin = (int)Context.ToPixels(20),
RightMargin = (int)Context.ToPixels(20),
TopMargin = (int)Context.ToPixels(6),
BottomMargin = (int)Context.ToPixels(6),
Gravity = GravityFlags.Center
};
image.LayoutParameters = lp;
lp.Dispose();
var services = MauiContext.Services;
var provider = services.GetRequiredService <IImageSourceServiceProvider>();
var icon = shellContent.Icon;
shellContent.Icon.LoadImage(
MauiContext,
(result) =>
{
image.SetImageDrawable(result?.Value);
if (result?.Value != null)
{
var color = Colors.Black.MultiplyAlpha(0.6f).ToPlatform();
result.Value.SetTint(color);
}
});
innerLayout.AddView(image);
using (var text = new TextView(Context))
{
text.Typeface = services.GetRequiredService <IFontManager>()
.GetTypeface(Font.OfSize("sans-serif-medium", 0.0));
text.SetTextColor(AColor.Black);
text.Text = shellContent.Title;
lp = new LinearLayout.LayoutParams(0, LP.WrapContent)
{
Gravity = GravityFlags.Center,
Weight = 1
};
text.LayoutParameters = lp;
lp.Dispose();
innerLayout.AddView(text);
}
bottomSheetLayout.AddView(innerLayout);
}
}
bottomSheetDialog.SetContentView(bottomSheetLayout);
bottomSheetLayout.Dispose();
return(bottomSheetDialog);
}
protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
{
base.OnElementPropertyChanged(sender, e);
var lastPage = Element.CurrentPage;
if (e.PropertyName == CustomNavigationPage.HasShadowProperty.PropertyName)
{
UpdateToolbarShadow(_toolbar, CustomNavigationPage.GetHasShadow(lastPage), Context as Activity, _originalWindowContent);
}
else if (e.PropertyName == CustomNavigationPage.TitleBackgroundProperty.PropertyName)
{
UpdateTitleViewLayoutBackground(_titleViewLayout, CustomNavigationPage.GetTitleBackground(lastPage), _originalDrawable);
}
else if (e.PropertyName == CustomNavigationPage.BarBackgroundProperty.PropertyName)
{
UpdateToolbarBackground(_toolbar, lastPage, Context as Activity, _originalToolbarBackground);
}
else if (e.PropertyName == CustomNavigationPage.GradientColorsProperty.PropertyName)
{
UpdateToolbarBackground(_toolbar, lastPage, Context as Activity, _originalToolbarBackground);
}
else if (e.PropertyName == CustomNavigationPage.GradientDirectionProperty.PropertyName)
{
UpdateToolbarBackground(_toolbar, lastPage, Context as Activity, _originalToolbarBackground);
}
else if (e.PropertyName == CustomNavigationPage.BarBackgroundOpacityProperty.PropertyName)
{
UpdateToolbarBackground(_toolbar, lastPage, Context as Activity, _originalToolbarBackground);
}
else if (e.PropertyName == CustomNavigationPage.TitleBorderCornerRadiusProperty.PropertyName)
{
_titleViewLayout?.SetBackground(CreateShape(ShapeType.Rectangle, (int)CustomNavigationPage.GetTitleBorderWidth(lastPage), (int)CustomNavigationPage.GetTitleBorderCornerRadius(lastPage), CustomNavigationPage.GetTitleFillColor(lastPage), CustomNavigationPage.GetTitleBorderColor(lastPage)));
}
else if (e.PropertyName == CustomNavigationPage.TitleBorderWidthProperty.PropertyName)
{
_titleViewLayout?.SetBackground(CreateShape(ShapeType.Rectangle, (int)CustomNavigationPage.GetTitleBorderWidth(lastPage), (int)CustomNavigationPage.GetTitleBorderCornerRadius(lastPage), CustomNavigationPage.GetTitleFillColor(lastPage), CustomNavigationPage.GetTitleBorderColor(lastPage)));
}
else if (e.PropertyName == CustomNavigationPage.TitleBorderColorProperty.PropertyName)
{
_titleViewLayout?.SetBackground(CreateShape(ShapeType.Rectangle, (int)CustomNavigationPage.GetTitleBorderWidth(lastPage), (int)CustomNavigationPage.GetTitleBorderCornerRadius(lastPage), CustomNavigationPage.GetTitleFillColor(lastPage), CustomNavigationPage.GetTitleBorderColor(lastPage)));
}
else if (e.PropertyName == CustomNavigationPage.TitleFillColorProperty.PropertyName)
{
_titleViewLayout?.SetBackground(CreateShape(ShapeType.Rectangle, (int)CustomNavigationPage.GetTitleBorderWidth(lastPage), (int)CustomNavigationPage.GetTitleBorderCornerRadius(lastPage), CustomNavigationPage.GetTitleFillColor(lastPage), CustomNavigationPage.GetTitleBorderColor(lastPage)));
}
else if (e.PropertyName == CustomNavigationPage.TitlePositionProperty.PropertyName)
{
UpdateTitleViewLayoutAlignment(_titleViewLayout, _titleTextView, _subTitleTextView, CustomNavigationPage.GetTitlePosition(lastPage));
}
else if (e.PropertyName == CustomNavigationPage.TitlePaddingProperty.PropertyName)
{
UpdateTitleViewLayoutPadding(_titleViewLayout, CustomNavigationPage.GetTitlePadding(lastPage));
}
else if (e.PropertyName == CustomNavigationPage.TitleMarginProperty.PropertyName)
{
UpdateTitleViewLayoutMargin(_titleViewLayout, CustomNavigationPage.GetTitleMargin(lastPage));
}
else if (e.PropertyName == CustomNavigationPage.TitleColorProperty.PropertyName)
{
UpdateToolbarTextColor(_titleTextView, CustomNavigationPage.GetTitleColor(lastPage), _originalColorStateList);
}
else if (e.PropertyName == CustomNavigationPage.TitleFontProperty.PropertyName)
{
UpdateToolbarTextFont(_titleTextView, CustomNavigationPage.GetTitleFont(lastPage), _originalFont);
}
else if (e.PropertyName == Page.TitleProperty.PropertyName)
{
UpdateTitleText(_titleTextView, lastPage.Title);
}
else if (e.PropertyName == CustomNavigationPage.SubtitleColorProperty.PropertyName)
{
UpdateToolbarTextColor(_subTitleTextView, CustomNavigationPage.GetSubtitleColor(lastPage), _originalColorStateList);
}
else if (e.PropertyName == CustomNavigationPage.SubtitleFontProperty.PropertyName)
{
UpdateToolbarTextFont(_subTitleTextView, CustomNavigationPage.GetSubtitleFont(lastPage), _originalFont);
}
}
public void Show(ToastView view, object viewModel = null)
{
view.Parent = XF.Application.Current.MainPage;
view.BindingContext = viewModel;
var toast = new Android.Widget.Toast(Dialogs.Context);
var offsetX = (int)Dialogs.Context.ToPixels(view.OffsetX);
var offsetY = (int)Dialogs.Context.ToPixels(view.OffsetY);
// HACK: For some reason, the offset direction is reversed when GravityFlags contains Left or Bottom.
if (view.HorizontalLayoutAlignment == XF.LayoutAlignment.End)
{
offsetX *= -1;
}
if (view.VerticalLayoutAlignment == XF.LayoutAlignment.End)
{
offsetY *= -1;
}
toast.SetGravity(Dialogs.GetGravity(view), offsetX, offsetY);
toast.Duration = Android.Widget.ToastLength.Long;
var renderer = Dialogs.CreateNativeView(view);
var measure = Dialogs.Measure(view);
view.Layout(new XF.Rectangle(new XF.Point(0, 0), measure));
var realW = (int)Dialogs.Context.ToPixels(measure.Width);
var realH = (int)Dialogs.Context.ToPixels(measure.Height);
var layout = new LinearLayout(Dialogs.Context);
using (var param = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MatchParent, ViewGroup.LayoutParams.MatchParent)
{
Width = realW,
Height = realH
}){
layout.LayoutParameters = param;
}
using (var param = new LinearLayout.LayoutParams(realW, realH)
{
Width = realW, Height = realH
}){
layout.AddView(renderer.View, param);
}
if (view.CornerRadius > 0)
{
var border = new GradientDrawable();
border.SetCornerRadius(Dialogs.Context.ToPixels(view.CornerRadius));
if (!view.BackgroundColor.IsDefault)
{
border.SetColor(view.BackgroundColor.ToAndroid());
border.Alpha = (int)(view.Opacity * 255);
}
layout.ClipToOutline = true;
layout.SetBackground(border);
}
toast.View = layout;
view.RunPresentationAnimation();
toast.Show();
var duration = Math.Max(Math.Min(view.Duration - 260, 3500), 0); // give a bit millisecond margin
var handler = new Handler();
handler.PostDelayed(new Runnable(view.RunDismissalAnimation), duration);
handler.PostDelayed(new Runnable(() =>
{
//view.RunDismissalAnimation();
//await Task.Delay(250);
toast?.Cancel();
view.Parent = null;
if (!renderer.View.IsDisposed())
{
renderer.View.RemoveFromParent();
renderer.View.Dispose();
}
layout.Dispose();
// I coudn't reproduce https://github.com/muak/AiForms.Dialogs/issues/2.
// But I let this code disabled because it has no influent even if it is disabled.
//toast.View = null;
renderer.Dispose();
renderer = null;
toast?.Dispose();
toast = null;
view.Destroy();
view.BindingContext = null;
}), view.Duration);
}