How to disable horizontal screen in uniapp? Brief analysis of the reasons

With the popularity of mobile Internet, mobile APPs are becoming more and more popular among users. In order to cater to the needs of users and satisfy the user experience as much as possible, the development team usually tries to add many functions and various interfaces. At the same time, mobile phone screens are gradually increasing, which also promotes the horizontal screen display of APPs. However, in the process of using uniapp for mobile application development, disabling horizontal screen may be something that needs to be considered.

uniapp is an efficient, cross-platform mobile application development framework. It uses Vue.js development architecture, allowing you to run the code on various mobile platforms, such as iOS and Android, after coding once. wait. In uniapp development, we need to pay attention to whether our application supports horizontal screen. Why should we prohibit horizontal screen mode?

For APP, horizontal screen mode may cause inconvenience or unnecessary trouble in certain situations. Here are some reasons:

1. Inconsistent styles: On mobile devices with different screen sizes and resolutions, improper adjustment of the interface layout due to screen rotation may cause interface confusion. For users, this can cause inconvenience.
2. Interaction problem: If some controls laid out on the screen are rotated, it may cause the user to be unable to operate, or even cause loopholes. For example, the click buttons in the app do not correctly adapt to the rotated position, so when turning the phone screen, the user may need to perform additional operations to use the app.
3. User habits: When users use mobile phones, they usually have developed specific habits. If the APP does not take into account the user's usage habits of landscape mode, the user may also feel very uncomfortable when using it. This also affects the entire user experience.

So, what should be done to prohibit horizontal screen in uniapp development?

First, we need to configure it in the manifest.json file of the application, as shown below:

{
"pages": [
    {
      "path": "pages/index/index",
      "style": {
        "navigationBarTitleText": "首页",
        "app-plus": {
            // 禁止横屏
            "orientation": "portrait"
          }
        }
    }
  ],
}

We need to set the value of orientation to portrait . When the device is rotated, the operating system rotates the screen and tells the application how it is now rotated. Applications can dynamically adapt to different screen reversal directions by listening to the onWindowResize event to achieve the purpose of disabling horizontal screen.

In addition, if you need to support horizontal screen for some pages, you can also use landscape to set it.

{
"pages": [
    {
      "path": "pages/detail/detail",
      "style": {
        "navigationBarTitleText": "详情页",
        "app-plus": {
            // 只允许横屏
            "orientation": "landscape"
          }
        }
    }
  ],
}

The above is how to disable landscape mode in uniapp. No matter what type of APP, the ultimate goal is to provide users with a good experience. During development, we need to flexibly adjust the functions and layout of the application according to the user's habits and needs. Disabling landscape mode is a common adjustment method that can achieve a better user experience.

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