public ToolbarItems()
{
var label = new Label {
Text = "Hello ContentPage", AutomationId = "label_id"
};
var command = new Command((obj) =>
{
label.Text = "button 4 new text";
}, (obj) => _isEnable);
var tb1 = new ToolbarItem("tb1", "menuIcon.png", () =>
{
label.Text = "tb1";
}, ToolbarItemOrder.Primary);
tb1.IsEnabled = _isEnable;
tb1.AutomationId = "toolbaritem_primary";
var tb2 = new ToolbarItem("tb2", null, () =>
{
label.Text = "tb2";
}, ToolbarItemOrder.Primary);
tb2.AutomationId = "toolbaritem_primary2";
var tb6 = new ToolbarItem("tb6 long long text", null, () =>
{
label.Text = "tb6";
}, ToolbarItemOrder.Primary);
tb6.AutomationId = "toolbaritem_primary6";
var tb3 = new ToolbarItem("tb3", "bank.png", () =>
{
label.Text = "tb3";
_isEnable = !_isEnable;
command.ChangeCanExecute();
}, ToolbarItemOrder.Secondary);
tb3.AutomationId = "toolbaritem_secondary";
var tb4 = new ToolbarItem();
tb4.Text = "tb4";
tb4.Order = ToolbarItemOrder.Secondary;
tb4.Command = command;
tb4.IconImageSource = "coffee";
tb4.AutomationId = "toolbaritem_secondary2";
var tb5 = new ToolbarItem();
tb5.Text = "tb5";
tb5.IconImageSource = "bank.png";
tb5.Order = ToolbarItemOrder.Secondary;
tb5.Command = new Command(async() => {
await Navigation.PushAsync(new ToolbarItems());
});
tb5.AutomationId = "toolbaritem_secondary5";
ToolbarItems.Add(tb1);
ToolbarItems.Add(tb2);
ToolbarItems.Add(tb3);
ToolbarItems.Add(tb4);
ToolbarItems.Add(tb5);
ToolbarItems.Add(tb6);
Content = new StackLayout
{
Children =
{
label
}
};
}
public NavigationBarGallery(NavigationPage rootNavPage)
{
_rootNavPage = rootNavPage;
int toggleBarTextColor = 0;
int toggleBarBackgroundColor = 0;
ToolbarItems.Add(new ToolbarItem {
Text = "Save"
});
NavigationPage.SetTitleIconImageSource(this, "coffee.png");
SearchBar searchBar = new SearchBar {
HeightRequest = 44, WidthRequest = 100
};
// Note: Large and complex controls, such as ListView and TableView, are not recommended.
var controls = new List <View>
{
searchBar,
new ActivityIndicator {
IsRunning = true
},
new BoxView {
BackgroundColor = Color.Red
},
new Button {
Text = "Button!"
},
new DatePicker {
},
new Editor {
Text = "Editor"
},
new Entry {
Placeholder = "Entry"
},
new Image {
Source = "crimson.jpg", HeightRequest = 44
},
new Label {
Text = "Title View Label!"
},
new Picker {
ItemsSource = Enumerable.Range(0, 10).Select(i => $"Item {i}").ToList(), Title = "Picker"
},
new ProgressBar {
Progress = 50
},
new Slider {
},
new Stepper {
},
new Switch {
},
new TimePicker {
}
};
int idx = 0;
NavigationPage.SetTitleView(this, CreateTitleView(controls[idx]));
rootNavPage.On <Android>().SetBarHeight(450);
rootNavPage.On <iOS>().SetPrefersLargeTitles(false);
Content = new ScrollView
{
Content =
new StackLayout
{
Children =
{
new Button {
Text = "Go to SearchBarTitlePage",
Command = new Command(() => {
rootNavPage.PushAsync(new SearchBarTitlePage(rootNavPage));
})
},
new Button {
Text = "Change BarTextColor",
Command = new Command(() => {
if (toggleBarTextColor % 2 == 0)
{
rootNavPage.BarTextColor = Color.Teal;
}
else
{
rootNavPage.BarTextColor = Color.Default;
}
toggleBarTextColor++;
})
},
new Button {
Text = "Change BarBackgroundColor",
Command = new Command(() => {
if (toggleBarBackgroundColor % 2 == 0)
{
rootNavPage.BarBackgroundColor = Color.Navy;
}
else
{
rootNavPage.BarBackgroundColor = Color.Default;
}
toggleBarBackgroundColor++;
})
},
new Button {
Text = "Change Both to default",
Command = new Command(() => {
rootNavPage.BarTextColor = Color.Default;
rootNavPage.BarBackgroundColor = Color.Default;
})
},
new Button {
Text = "Black background, white text",
Command = new Command(() => {
rootNavPage.BarTextColor = Color.White;
rootNavPage.BarBackgroundColor = Color.Black;
})
},
new Button {
Text = "Toggle TitleIcon",
Command = new Command(() => {
var titleIcon = NavigationPage.GetTitleIconImageSource(this);
if (titleIcon == null)
{
titleIcon = "coffee.png";
}
else
{
titleIcon = null;
}
NavigationPage.SetTitleIconImageSource(this, titleIcon);
})
},
new Button {
Text = "Toggle TitleView",
Command = new Command(() => {
var titleView = NavigationPage.GetTitleView(this);
if (titleView == null)
{
titleView = CreateTitleView(controls[idx]);
}
else
{
titleView = null;
}
NavigationPage.SetTitleView(this, titleView);
})
},
new Button {
Text = "Next TitleView",
Command = new Command(() => {
idx++;
if (idx >= controls.Count)
{
idx = 0;
}
var titleView = CreateTitleView(controls[idx]);
NavigationPage.SetTitleView(this, titleView);
})
},
new Button {
Text = "Toggle Back Title",
Command = new Command(() => {
var backTitle = NavigationPage.GetBackButtonTitle(rootNavPage);
if (backTitle == null)
{
backTitle = "Go back home";
}
else
{
backTitle = null;
}
NavigationPage.SetBackButtonTitle(rootNavPage, backTitle);
})
},
new Button {
Text = "Toggle Toolbar Item",
Command = new Command(() => {
if (ToolbarItems.Count > 0)
{
ToolbarItems.Clear();
}
else
{
ToolbarItems.Add(new ToolbarItem {
Text = "Save"
});
}
})
},
new Button {
Text = "Toggle Title",
Command = new Command(() => {
if (Title == null)
{
Title = "NavigationBar Gallery - Legacy";
}
else
{
Title = null;
}
})
},
new Button {
Text = "Toggle BarHeight",
Command = new Command(() => {
if (rootNavPage.On <Android>().GetBarHeight() == -1)
{
rootNavPage.On <Android>().SetBarHeight(450);
}
else
{
rootNavPage.ClearValue(BarHeightProperty);
}
})
}
}
}
};
}
public FontImageSourceGallery()
{
var grid = new Grid
{
HeightRequest = 1696,
WidthRequest = 320,
BackgroundColor = Color.Black
};
grid.AddRowDef(count: 53);
grid.AddColumnDef(count: 10);
var fontFamily = "";
switch (Device.RuntimePlatform)
{
case Device.macOS:
case Device.iOS:
fontFamily = "Ionicons";
break;
case Device.UWP:
fontFamily = "Assets/Fonts/ionicons.ttf#ionicons";
break;
case Device.WPF:
case Device.GTK:
fontFamily = "Assets/ionicons.ttf#ionicons";
break;
case Device.Android:
default:
fontFamily = "fonts/ionicons.ttf#";
break;
}
grid.Children.Add(new ImageButton
{
Source = new FontImageSource
{
Glyph = Ionicons[Ionicons.Length - 1].ToString(),
FontFamily = fontFamily,
Size = 20
},
});
var i = 1;
foreach (char c in Ionicons)
{
grid.Children.Add(new Image
{
Source = new FontImageSource
{
Glyph = c.ToString(),
FontFamily = fontFamily,
Size = 20
},
BackgroundColor = Color.Black,
VerticalOptions = LayoutOptions.Center,
HorizontalOptions = LayoutOptions.Center,
}, i % 10, i / 10);
i++;
}
Content = new ScrollView
{
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand,
Content = grid
};
var tb1 = new ToolbarItem()
{
Text = "tb1",
IconImageSource = new FontImageSource()
{
FontFamily = fontFamily,
Glyph = '\uf101'.ToString()
}
};
var tb2 = new ToolbarItem
{
Text = "tb2 red",
IconImageSource = new FontImageSource()
{
FontFamily = fontFamily,
Glyph = '\uf101'.ToString(),
Color = Color.Red
},
};
var tb3 = new ToolbarItem
{
Text = "tb3 yellow",
IconImageSource = new FontImageSource()
{
FontFamily = fontFamily,
Glyph = '\uf2c7'.ToString(),
Color = Color.Yellow
},
};
ToolbarItems.Add(tb1);
ToolbarItems.Add(tb2);
ToolbarItems.Add(tb3);
}