How to solve the problem of double-click event failure in vue tablet mode

When developing mobile applications using Vue, we often encounter the need to support tablet mode. In tablet mode, it is often necessary to implement a double-click event to achieve some interactive effects. During the actual development process, the author also encountered the problem of double-click event failure in Vue tablet mode. I will share my solution ideas below.

1. Problem Analysis

In mobile development, we often need to use double-click events to achieve some specific interactive effects. This is no exception in Vue. We can use the vue-touch library to implement double-click event binding. However, in tablet mode, we will find that the double-click event does not work. This is because, in tablet mode, the double-click event will be recognized by the system as a zoom operation, and thus the double-click event we expect cannot be triggered.

2. Solution ideas

In order to solve this problem, we need to bypass the system's default zoom operation and convert the double-click event into the click event we need. Since the width of the mobile terminal is generally small, we can determine whether the double-click event needs to be triggered by the time difference of the double-click event, thereby converting the double-click event into a click event. The specific implementation code is as follows:

<template>
  <div v-touch:tap="singleTap" v-touch:doubletap="doubleTap"></div>
</template>

<script>
import vueTouch from 'vue-touch';

export default {
  directives: { vueTouch },
  methods: {
    singleTap() {
      setTimeout(() => {
        if (this.canSingleTap) {
          // 触发单击事件
          this.$emit('single-tap');
        }
      }, 300);
    },
    doubleTap() {
      this.canSingleTap = false;
      // 触发双击事件
      this.$emit('double-tap');
      setTimeout(() => {
        this.canSingleTap = true;
      }, 300);
    },
  },
  data() {
    return {
      canSingleTap: true,
    };
  },
};
</script>

In this code, we use the vue-touch library to bind tap and doubletap events. In the singleTap method, we use setTimeout to determine whether it is a click event or a double-click event. When the user clicks twice in succession, the doubletap event will be triggered first, and then the doubleTap method will be entered. In this method, we set a canSingleTap tag to avoid triggering the click event for a certain period of time.

With this method, you can implement a double-click event in Vue tablet mode. Of course, in actual development, some adjustments and optimizations need to be made based on specific business scenarios.

3. Summary

In Vue tablet mode, since the system’s default zoom operation will affect the triggering of double-click events, we need to use certain techniques to bypass this problem. By converting the double-click event into a click event, the problems caused by directly triggering the double-click event can be well avoided, and at the same time, a good interactive experience in tablet mode can be ensured.

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