@Override
protected synchronized void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
CustomDrawable d = (CustomDrawable) getProgressDrawable();
int thumbHeight = mThumb == null ? 0 : mThumb.getIntrinsicHeight();
int dw = 0;
int dh = 0;
if (d != null) {
dw = d.getIntrinsicWidth();
dh = Math.max(thumbHeight, d.getIntrinsicHeight());
}
dw += getPaddingLeft() + getPaddingRight();
dh += getPaddingTop() + getPaddingBottom();
setMeasuredDimension(resolveSize(dw, widthMeasureSpec), resolveSize(dh, heightMeasureSpec));
}
