60 lines
1.4 KiB
C#
60 lines
1.4 KiB
C#
using Android.App;
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using Android.OS;
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using Android.Support.V7.App;
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using SkiaSharp;
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using SkiaSharp.Views.Android;
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namespace SkiaSharpSample
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{
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[Activity(MainLauncher = true)]
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public class MainActivity : AppCompatActivity
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{
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private SKCanvasView skiaView;
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protected override void OnCreate(Bundle savedInstanceState)
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{
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base.OnCreate(savedInstanceState);
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SetContentView(Resource.Layout.Main);
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skiaView = FindViewById<SKCanvasView>(Resource.Id.skiaView);
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skiaView.PaintSurface += OnPaintSurface;
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}
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private void OnPaintSurface(object sender, SKPaintSurfaceEventArgs e)
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{
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// the the canvas and properties
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var canvas = e.Surface.Canvas;
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// get the screen density for scaling
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var scale = Resources.DisplayMetrics.Density;
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var scaledSize = new SKSize(e.Info.Width / scale, e.Info.Height / scale);
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// handle the device screen density
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canvas.Scale(scale);
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// make sure the canvas is blank
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canvas.Clear(SKColors.White);
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// draw some text
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var paint = new SKPaint
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{
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Color = SKColors.Black,
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IsAntialias = true,
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Style = SKPaintStyle.Fill,
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TextAlign = SKTextAlign.Center,
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TextSize = 24
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};
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var coord = new SKPoint(scaledSize.Width / 2, (scaledSize.Height + paint.TextSize) / 2);
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canvas.DrawText("SkiaSharp", coord, paint);
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}
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protected override void OnDestroy()
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{
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skiaView.PaintSurface -= OnPaintSurface;
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base.OnDestroy();
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}
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}
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}
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