不支持使用PagerSnapHelper的recyclerView about pinchimageview HOT 3 OPEN

    private boolean isInTouch = false;

    public boolean isInTouchAction() {
        return isInTouch;
    }
    public boolean onTouchEvent(MotionEvent event) {
        ....
       if (action == MotionEvent.ACTION_DOWN) {
            //在矩阵动画过程中不允许启动滚动模式
            if (!(mScaleAnimator != null && mScaleAnimator.isRunning())) {
                    isInTouch = true;
            }
       }
       ....
    }

    private boolean scrollBy(float xDiff, float yDiff) {
        if (!isReady()) {
            SnbLog.e(">>>>>sssdf:false");
            return false;
        }
        //原图方框
        RectF bound = MathUtils.rectFTake();
        getImageBound(bound);
        //控件大小
        float displayWidth = getWidth();
        float displayHeight = getHeight();
        //如果当前图片宽度小于控件宽度，则不能移动
        if (bound.right - bound.left < displayWidth) {
            xDiff = 0;
            //如果图片左边在移动后超出控件左边
            isInTouch = false;
        } else if (bound.left + xDiff > 0) {
            //如果在移动之前是没超出的，计算应该移动的距离
            if (bound.left < 0) {
                xDiff = -bound.left;
                //否则无法移动
                isInTouch = true;
            } else {
                xDiff = 0;
                isInTouch = false;
            }
            //如果图片右边在移动后超出控件右边
        } else if (bound.right + xDiff < displayWidth) {
            //如果在移动之前是没超出的，计算应该移动的距离
            if (bound.right > displayWidth) {
                xDiff = displayWidth - bound.right;
                isInTouch = true;
                //否则无法移动
            } else {
                xDiff = 0;
                isInTouch = false;
            }
        }
        //以下同理
        if (bound.bottom - bound.top < displayHeight) {
            yDiff = 0;
        } else if (bound.top + yDiff > 0) {
            if (bound.top < 0) {
                yDiff = -bound.top;
            } else {
                yDiff = 0;
            }
        } else if (bound.bottom + yDiff < displayHeight) {
            if (bound.bottom > displayHeight) {
                yDiff = displayHeight - bound.bottom;
            } else {
                yDiff = 0;
            }
        }
       ....
    }

private void scaleEnd(){
//启动矩阵动画
            mScaleAnimator = new ScaleAnimator(mOuterMatrix, animEnd);
            mScaleAnimator.addListener(new Animator.AnimatorListener() {
               ,,,
                @Override
                public void onAnimationEnd(Animator animation) {
                    isInTouch = false;
                }
                ....
            });

}

 LinearLayoutManager layoutManager = new LinearLayoutManager(getContext(), LinearLayoutManager.HORIZONTAL, false) {
            @Override
            public boolean canScrollHorizontally() {
                if (currentImageView != null) {
                    return !currentImageView.isInTouchAction();
                }
                return true;
            }
        };