void AddToolbarItems()
{
#if __ANDROID__
var actionButton = new FloatingActionButton(Forms.Context);
actionButton.SetImageResource(XFDraw.Droid.Resource.Drawable.trash);
actionButton.Click += (s, e) => OnClearClicked();
var actionButtonFrame = new FrameLayout(Forms.Context);
actionButtonFrame.SetClipToPadding(false);
actionButtonFrame.SetPadding(0, 0, 50, 50);
actionButtonFrame.AddView(actionButton);
var actionButtonFrameView = actionButtonFrame.ToView();
actionButtonFrameView.HorizontalOptions = LayoutOptions.End;
actionButtonFrameView.VerticalOptions = LayoutOptions.End;
mainLayout.Children.Add(actionButtonFrameView, 0, 1);
#else
clearCommand = new Command(OnClearClicked, () => { return(IsCanvasDirty); });
var trash = new ToolbarItem()
{
Text = "Clear",
Icon = "trash.png",
Command = clearCommand
};
ToolbarItems.Add(trash);
#endif
}
public MainPage()
{
InitializeComponent();
sketchView.SketchUpdated += OnSketchUpdate;
clearCommand = new Command(OnClearClicked, () => { return(isCanvasDirty); });
var trash = new ToolbarItem()
{
Text = "Clear",
Icon = "trash.png",
Command = clearCommand,
};
trash.Clicked += (o, s) => OnClearClicked();
ToolbarItems.Add(trash);
#if __ANDROID__
var actionButton = new FloatingActionButton(Forms.Context);
actionButton.SetImageResource(XFDraw.Droid.Resource.Drawable.pencil);
actionButton.Click += (s, e) =>
{
OnColorClicked();
actionButton.BackgroundTintList = Android.Content.Res.ColorStateList.ValueOf(sketchView.InkColor.ToAndroid());
};
var actionButtonFrame = new FrameLayout(Forms.Context);
actionButtonFrame.SetClipToPadding(false);
actionButtonFrame.SetPadding(0, 0, 50, 50);
actionButtonFrame.AddView(actionButton);
var actionButtonFrameView = actionButtonFrame.ToView();
actionButtonFrameView.HorizontalOptions = LayoutOptions.End;
actionButtonFrameView.VerticalOptions = LayoutOptions.End;
mainLayout.Children.Add(actionButtonFrameView);
#else
ToolbarItems.Add(new ToolbarItem("New Color", "pencil.png", OnColorClicked));
#endif
}
public Xamarin.Forms.View CreateFloatingActionButton(Action tappedCallback)
{
//Get native control
var actionButton = new FloatingActionButton(MainActivity.Activity);
//Set Button background and icon
actionButton.BackgroundTintList = ColorStateList.ValueOf(global::Android.Graphics.Color.ParseColor("#0098E9"));
actionButton.SetImageResource(Resource.Drawable.icon);
//Fix Button margin (this will add a shadow to button)
float d = MainActivity.Activity.Resources.DisplayMetrics.Density;
var margin = (int)(16 * d); // margin in pixels (margin * dpi)
var lp = new FrameLayout.LayoutParams(LayoutParams.WrapContent, LayoutParams.WrapContent);
lp.Gravity = GravityFlags.CenterVertical | GravityFlags.CenterHorizontal;
lp.LeftMargin = margin;
lp.TopMargin = margin;
lp.BottomMargin = margin;
lp.RightMargin = margin;
actionButton.LayoutParameters = lp;
//When Native control is tapped , we will pass the call to Xam.Forms through the Action received
actionButton.Click += (s, a) => { tappedCallback(); };
//set the position of button bottom-right corner of container
var actionButtonFrame = new FrameLayout(MainActivity.Activity);
actionButtonFrame.SetClipToPadding(true);
actionButtonFrame.SetPadding(0, 0, 50, 50);
actionButtonFrame.AddView(actionButton);
//Convert native control to Xam.Forms View and return it to Xam.Forms
var actionButtonFrameView = actionButtonFrame.ToView();
actionButtonFrameView.HorizontalOptions = LayoutOptions.End;
actionButtonFrameView.VerticalOptions = LayoutOptions.End;
return(actionButtonFrameView);
}