protected override void OnDraw(Android.Graphics.Canvas canvas)
{
String rdText = this.Text.ToString();
Paint textPaint = new Paint();
textPaint.AntiAlias = true;
textPaint.TextSize = this.TextSize;
textPaint.TextAlign = Android.Graphics.Paint.Align.Center;
float canvasWidth = canvas.Width;
float textWidth = textPaint.MeasureText(rdText);
if (Checked)
{
this.SetBackgroundResource(Resource.Drawable.RoundedShape);
int[] colors = new int[] { this.Context.Resources.GetColor(Resource.Color.radioUnselectTop), this.Context.Resources.GetColor(Resource.Color.radioSelectTop )};
GradientDrawable grad = new GradientDrawable(GradientDrawable.Orientation.TopBottom, colors);
grad.SetBounds(0, 0, this.Width, this.Height);
grad.SetCornerRadius(7f);
this.SetBackgroundDrawable(grad);
}
else
{
this.SetBackgroundResource(Resource.Drawable.RoundedShape);
int[] colors = new int[] { this.Context.Resources.GetColor(Resource.Color.radioUnselectTop), this.Context.Resources.GetColor(Resource.Color.radioUnselectBottom) };
GradientDrawable grad = new GradientDrawable(GradientDrawable.Orientation.TopBottom, colors);
grad.SetBounds(0, 0, this.Width, this.Height);
grad.SetCornerRadius(7f);
this.SetBackgroundDrawable(grad);
}
Paint paint = new Paint();
paint.Color = Color.Transparent;
paint.SetStyle(Android.Graphics.Paint.Style.Stroke);
Rect rect = new Rect(0, 0, this.Width, this.Height);
canvas.DrawRect(rect, paint);
base.OnDraw(canvas);
}