public BackButtonPage()
{
Title = $"Page {Shell.Current?.Navigation?.NavigationStack?.Count ?? 0}";
_commandParameter = new Entry()
{
Placeholder = "Command Parameter",
AutomationId = EntryCommandParameter
};
_commandParameter.TextChanged += (_, __) =>
{
if (String.IsNullOrWhiteSpace(_commandParameter.Text))
{
behavior.ClearValue(BackButtonBehavior.CommandParameterProperty);
}
else
{
behavior.CommandParameter = _commandParameter.Text;
}
};
StackLayout layout = new StackLayout();
Button toggleFlyoutBehaviorButton = null;
toggleFlyoutBehaviorButton = new Button()
{
Text = "Flyout Behavior: Flyout",
Command = new Command((o) => ToggleFlyoutBehavior(o, toggleFlyoutBehaviorButton)),
AutomationId = "ToggleFlyoutBehavior"
};
layout.Children.Add(toggleFlyoutBehaviorButton);
layout.Children.Add(new Label()
{
Text = "Test setting different Back Button Behavior properties"
});
layout.Children.Add(new Button()
{
Text = "Toggle Behavior",
Command = new Command(ToggleBehavior),
AutomationId = ToggleBehaviorId
});
layout.Children.Add(new Button()
{
Text = "Toggle Command",
Command = new Command(ToggleCommand),
AutomationId = ToggleCommandId
});
layout.Children.Add(new Button()
{
Text = "Toggle Command Can Execute",
Command = new Command(ToggleCommandIsEnabled),
AutomationId = ToggleCommandCanExecuteId
});
layout.Children.Add(_commandParameter);
layout.Children.Add(_commandResult);
layout.Children.Add(new Button()
{
Text = "Toggle Text",
Command = new Command(ToggleBackButtonText),
AutomationId = ToggleTextId
});
layout.Children.Add(new Button()
{
Text = "Toggle Icon",
Command = new Command(ToggleIcon),
AutomationId = ToggleIconId
});
layout.Children.Add(new Button()
{
Text = "Toggle Is Enabled",
Command = new Command(ToggleIsEnabled),
AutomationId = ToggleIsEnabledId
});
layout.Children.Add(new Button()
{
Text = "Push Page",
Command = new Command(PushPage),
AutomationId = PushPageId
});
Content = new ScrollView()
{
Content = layout
};
ToggleBehavior();
}
public BackButtonPage()
{
_commandParameter = new Entry()
{
Placeholder = "Command Parameter",
AutomationId = EntryCommandParameter
};
_commandParameter.TextChanged += (_, __) =>
{
if (String.IsNullOrWhiteSpace(_commandParameter.Text))
{
behavior.ClearValue(BackButtonBehavior.CommandParameterProperty);
}
else
{
behavior.CommandParameter = _commandParameter.Text;
}
};
StackLayout layout = new StackLayout();
layout.Children.Add(new Label()
{
Text = "Test setting different Back Button Behavior properties"
});
layout.Children.Add(new Button()
{
Text = "Toggle Behavior",
Command = new Command(ToggleBehavior),
AutomationId = ToggleBehaviorId
});
layout.Children.Add(new Button()
{
Text = "Toggle Command",
Command = new Command(ToggleCommand),
AutomationId = ToggleCommandId
});
layout.Children.Add(new Button()
{
Text = "Toggle Command Can Execute",
Command = new Command(ToggleCommandIsEnabled),
AutomationId = ToggleCommandCanExecuteId
});
layout.Children.Add(_commandParameter);
layout.Children.Add(_commandResult);
layout.Children.Add(new Button()
{
Text = "Toggle Text",
Command = new Command(ToggleBackButtonText),
AutomationId = ToggleTextId
});
layout.Children.Add(new Button()
{
Text = "Toggle Icon",
Command = new Command(ToggleIcon),
AutomationId = ToggleIconId
});
layout.Children.Add(new Button()
{
Text = "Toggle Is Enabled",
Command = new Command(ToggleIsEnabled),
AutomationId = ToggleIsEnabledId
});
layout.Children.Add(new Button()
{
Text = "Push Page",
Command = new Command(PushPage),
AutomationId = PushPageId
});
Content = layout;
ToggleBehavior();
}
