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| touchStart: function (e) {
this.setData({
touchStartTime: e.timeStamp,
touchFlag: true
});
},
tapJudgement: function (e) {
let that = this;
that.setData({
touchEndTime: e.timeStamp,
});
if (that.data.touchStartTime === null && that.data.touchEndTime === null) {
return;
}
let gap = that.data.touchEndTime - that.data.touchStartTime;
if (Math.abs(gap) < 350) {
let currentTapTime = e.timeStamp;
let lastTapTime = that.data.lastTapTime;
that.setData({
lastTapTime: currentTapTime
});
if (currentTapTime - lastTapTime < 300 && lastTapTime !== null) {
//double tap event
clearTimeout(that.data.lastTapTimeoutFunc);
wx.showToast({
title: 'double tap event',
});
} else {
let timer = setTimeout(function () {
wx.showToast({
title: 'single tap event',
});
}, 300);
that.setData({
lastTapTimeoutFunc: timer
});
}
}
},
longpressHandle: function (e) {
wx.showToast({
title: 'Trigger long press event',
});
this.setData({
touchEndTime: e.timeStamp
});
}
|
