public static Task ShowChartDialog(Chart chart, string title = "", string close = "关闭")
{
var dbtask = new DismissByTask();
Context context = MainActivity.ActivityContext;
var builder = new AlertDialog.Builder(context);
chart.LabelTextSize = MainActivity.Dip2Px(12);
LayoutInflater layoutInflater = LayoutInflater.From(context);
var chartLayout = layoutInflater.Inflate(HSResource.Layout.SkiaChart, null);
builder.SetView(chartLayout);
var canvasView = chartLayout.FindViewById <SKCanvasView>(HSResource.Id.skia_chart_canvas);
canvasView.PaintSurface += (sender, args) =>
{
chart.Draw(args.Surface.Canvas, args.Info.Width, args.Info.Height);
};
builder.SetTitle(title);
builder.SetPositiveButton(close, (sender, args) => { });
builder.SetOnDismissListener(dbtask);
var dialog = builder.Create();
dialog.Show();
IWindowManager manager = MainActivity.Instance.WindowManager;
Display d = manager.DefaultDisplay;
Window window = dialog.Window;
WindowManagerLayoutParams param = window.Attributes;
param.Height = MainActivity.Dip2Px(340);
param.Gravity = GravityFlags.CenterHorizontal;
dialog.Window.Attributes = param;
return(dbtask.EndTask);
}