protected override void DispatchDraw(Canvas canvas)
{
base.DispatchDraw(canvas);
if (mPinnedSection != null)
{
// prepare variables
int pLeft = ListPaddingLeft;
int pTop = ListPaddingTop;
View view = mPinnedSection.view;
// draw child
canvas.Save();
int clipHeight = view.Height +
(mShadowDrawable == null ? 0 : Math.Min(mShadowHeight, mSectionsDistanceY));
canvas.ClipRect(pLeft, pTop, pLeft + view.Width, pTop + clipHeight);
canvas.Translate(pLeft, pTop + mTranslateY);
DrawChild(canvas, mPinnedSection.view, DrawingTime);
if (mShadowDrawable != null && mSectionsDistanceY > 0)
{
mShadowDrawable.SetBounds(mPinnedSection.view.Left,
mPinnedSection.view.Bottom,
mPinnedSection.view.Right,
mPinnedSection.view.Bottom + mShadowHeight);
mShadowDrawable.Draw(canvas);
}
canvas.Restore();
}
}
protected override void OnElementChanged(ElementChangedEventArgs <Label> e)
{
base.OnElementChanged(e);
if (e.OldElement == null)
{
var gradientDrawable = new GradientDrawable();
gradientDrawable.SetCornerRadius(3f);
gradientDrawable.SetCornerRadius(50);
gradientDrawable.SetBounds(50, 25, 21, 22);
gradientDrawable.SetStroke(3, Android.Graphics.Color.Red);
gradientDrawable.SetColor(Android.Graphics.Color.Blue);
Control.SetBackground(gradientDrawable);
Control.Gravity = GravityFlags.CenterVertical | GravityFlags.Left;
}
}
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);
}