scrollVerticallyTo(0) ,the header is invisible when the header is added by setParallaxHeader

[duzechao]

277, #262, #209, #313

[jjhesk]

im not sure where to catch that offsets. but u can looking to i think u can try to catch with the integers on the scroll view controller.

     mOnScrollListener = new RecyclerView.OnScrollListener() {

            @Override
            public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
                super.onScrolled(recyclerView, dx, dy);
                if (mHeader != null) {
                    mTotalYScrolled += dy;
                    if (isParallaxHeader)
                        translateHeader(mTotalYScrolled);
                }
                enableShoworHideToolbarAndFloatingButton(recyclerView);
            }
        };

 private void translateHeader(float of) {
        float ofCalculated = of * SCROLL_MULTIPLIER;
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
            //Logs.d("ofCalculated    " + ofCalculated+"   "+mHeader.getHeight());
            mHeader.setTranslationY(ofCalculated);
        } else {
            TranslateAnimation anim = new TranslateAnimation(0, 0, ofCalculated, ofCalculated);
            anim.setFillAfter(true);
            anim.setDuration(0);
            mHeader.startAnimation(anim);
        }
        mHeader.setClipY(Math.round(ofCalculated));
        if (mParallaxScroll != null) {
            float left = Math.min(1, ((ofCalculated) / (mHeader.getHeight() * SCROLL_MULTIPLIER)));
            mParallaxScroll.onParallaxScroll(left, of, mHeader);
        }
    }

[duzechao]

 public static class CustomRelativeWrapper extends RelativeLayout {

        private int mOffset;

        public CustomRelativeWrapper(Context context) {
            super(context);
        }

        @Override
        protected void dispatchDraw(Canvas canvas) {
            if (isParallaxHeader)
                canvas.clipRect(new Rect(getLeft(), getTop(), getRight(), getBottom() + mOffset));
            super.dispatchDraw(canvas);
        }

        public void setClipY(int offset) {
            mOffset = offset;
            invalidate();
        }
    }

[jjhesk]

can u make a pull request if u can find and solve the issue?