触摸移动卡住忽略尝试取消触摸 [英] Touch move getting stuck Ignored attempt to cancel a touchmove

问题描述

我在触摸滑块上触摸了事件，我不断收到以下错误：

I'm messing around with touch events on a touch slider and I keep getting the following error:

无效尝试取消touchMove事件与cancelable = false，
，例如因为滚动正在进行，不能
中断。

Ignored attempt to cancel a touchmove event with cancelable=false, for example because scrolling is in progress and cannot be interrupted.

我不知道是什么导致这个问题，我是新来的触摸事件，似乎无法解决这个问题。

I'm not sure what is causing this problem, I am new to working with touch events and can't seem to fix this problem.

这是代码处理触摸事件：

Here is the code handling the touch event:

Slider.prototype.isSwipe = function(threshold) {
    return Math.abs(deltaX) > Math.max(threshold, Math.abs(deltaY));
}


Slider.prototype.touchStart = function(e) {

    if (this._isSliding) return false;

      touchMoving = true;
      deltaX = deltaY = 0;

    if (e.originalEvent.touches.length === 1) {

        startX = e.originalEvent.touches[0].pageX;
        startY = e.originalEvent.touches[0].pageY;

        this._$slider.on('touchmove touchcancel', this.touchMove.bind(this)).one('touchend', this.touchEnd.bind(this));

        isFlick = true;

        window.setTimeout(function() {
            isFlick = false;
        }, flickTimeout);
    }
}


Slider.prototype.touchMove = function(e) {

    deltaX = startX - e.originalEvent.touches[0].pageX;
    deltaY = startY - e.originalEvent.touches[0].pageY;

    if(this.isSwipe(swipeThreshold)) {
        e.preventDefault();
        e.stopPropagation();
        swiping = true;
    }
    if(swiping) {
        this.slide(deltaX / this._sliderWidth, true)
    }
}


Slider.prototype.touchEnd = function(e) {

    var threshold = isFlick ? swipeThreshold : this._sliderWidth / 2;

    if (this.isSwipe(threshold)) {
        deltaX < 0 ? this.prev() : this.next();
    }
    else {
        this.slide(0, !deltaX);
    }

    swiping = false;

    this._$slider.off('touchmove', this.touchMove).one(transitionend, $.proxy(function() {
        this.slide(0, true);
        touchMoving = false;
    }, this));
}

您可以找到实际的滑块 在这支钢笔 。

You can find the actual slider here at this pen.

如果你快速滑动就会投掷错误有时被卡在中间的滑动。仍然不能包围我的头，为什么它不工作。任何帮助/洞察将不胜感激。不知道我在做错什么。

If you swipe through fast enough it will throw the error and sometimes get stuck in the middle of a swipe. Still can't wrap my head around why it is not working. Any help/insight would be greatly appreciated. Not sure what I am doing wrong.

推荐答案

我有这个问题，我只需要做的就是从touchend返回true ，警告消失。

I had this problem and all I had to do is return true from touchend and the warning went away.

这篇关于触摸移动卡住忽略尝试取消触摸的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！