The vue project does not automatically call the input method

Recently, when I was developing using the Vue framework, I encountered a very difficult problem: in the input box on the mobile terminal, the input method did not pop up automatically.

In this article, I will share my process of solving this problem, hoping it can be helpful to everyone.

Problem Description:

In my Vue project, I use a variety of form controls from the Mint UI component library, such as Input and Textarea. They look fine on both PC and mobile, but when testing on a mobile device, I found that when I click on the input box, the input method does not pop up automatically.

I tried many solutions, such as adding the autofocus attribute to the input box, but none of them solved the problem.

Solution:

Finally, I found the solution, which is to call a JavaScript function in the focus event of the input box: window.scrollTo(0,1). In this way, the input box can automatically pop up the input method.

In order to better understand this solution, let us analyze it in detail.

On mobile devices, when the keyboard pops up, it will cause the screen content to slide up a certain distance to leave enough space for the keyboard. The form control in our Vue project did not handle this situation correctly, so the input box did not automatically pop up the input method.

By calling the window.scrollTo(0,1) function, we actively trigger the scrolling of the screen so that the input box is pushed up and the input method pops up. In this way, we solved this seemingly intractable problem.

Solution implementation:

So, how to implement this solution in the Vue project? We need to add a piece of code to the focus event of the input box, as follows:

<template>
  <div>
    <mt-field label="Input" type="text" v-model="inputValue" @focus="scrollPage"></mt-field>
  </div>
</template>

<script>
export default {
  data() {
    return {
      inputValue: ''
    }
  },
  methods: {
    scrollPage() {
      window.scrollTo(0, 1)
    }
  }
}
</script>

In this code, we define a method named scrollPage and call it in the focus event of the input box. In the scrollPage method, we realize the scrolling of the screen by calling window.scrollTo(0,1), thus popping up the input method.

It should be noted that our solution is based on the mobile side. If applied on the PC side, it may have unexpected effects.

Summary:

In Vue projects, form controls are used very frequently, so it is very important to handle their behavior correctly. For the problem that the input method does not automatically pop up in the input box, we can solve it by calling window.scrollTo(0,1) in the focus event of the input box.

I hope this article can help everyone solve similar problems, and also remind everyone to pay more attention to user experience when developing mobile applications.

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