This method clears the chart canvas. Used extensively internally between animation frames, but you might find it useful.
Parameter
undefined
Samples
app.LoadPlugin( "ChartJS" ); function OnStart() { chart = app.LoadChartJS() lay = app.CreateLayout("Linear", "FillXY, VCenter") lay.SetBackColor("#ffffff") data = { labels: ["Jan", "Feb", "Mar", "Apr", "May"], datasets: [{ data: [50, 50, 30, 15, 30], backgroundColor: ["#f44336", "#e91e63", "#9c27b0", "#3f51b5", "#009688"], borderWidth: 4 }] } pieChart = chart.CreateChart(data, "pie", 0.95, 0.4) lay.AddChild(pieChart) btn = app.CreateButton("STOP", 0.4) btn.SetMargins(0, 0.1, 0, 0) lay.AddChild(btn) btn.SetOnTouch(function() { pieChart.stop() }); btn = app.CreateButton("RENDER", 0.4) btn.SetMargins(0, 0.025, 0, 0) lay.AddChild(btn) btn.SetOnTouch(function() { pieChart.render() }) app.AddLayout( lay ) }