How to use

onDraw

method

in

android.widget.RadioButton

@Override
protected void onDraw(Canvas canvas) {
  super.onDraw(canvas);
  if(isShow) {
    canvas.drawCircle((getWidth()/2+topDrawableWidth/2), offset, radius, paint);
  }
}

@Override
protected void onDraw(Canvas canvas) {
  PixlUIfaceManager.onDrawHelper(canvas, this, drawCallback);
  super.onDraw(canvas);
}

@Override
protected void onDraw(Canvas canvas) {
  super.onDraw(canvas);
  if(isShow) {
    canvas.drawCircle((getWidth()/2+topDrawableWidth/2), offset, radius, paint);
  }
}

  @Override
  public void onDraw(Canvas canvas)
  {
    int w = canvas.getWidth();
    int h = canvas.getHeight();

    super.onDraw(canvas);

    if( mIcon != null )
    {
      mIcon.setBounds(0, 0, w, h);
      mIcon.draw(canvas);
    }

    Paint paint = new Paint();
    int color = isChecked() ? R.color.selected : R.color.unselected;
    paint.setColor(getResources().getColor(color));

    //device pixels yay
    float sw = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 4, getResources().getDisplayMetrics());

    paint.setStrokeWidth(sw);
    paint.setStyle(Paint.Style.STROKE);

    canvas.drawRect(0, 0, w, h, paint);
  }
}

@Override
protected void onDraw(Canvas canvas) {
  super.onDraw(canvas);