How to prevent uniapp from opening other apps

In recent years, with the rapid development of mobile Internet, the number and types of mobile applications have continued to emerge. Among them, the interoperability and data sharing between applications have been hotly discussed by the public. However, with the popularity of mobile applications, some applications have also begun to steal users' traffic, steal users' personal information, and even pose security risks. In order to prevent these situations from happening, some mobile applications have begun to take management measures to prohibit opening other applications. As a rapid development framework, uniapp can also prohibit opening other applications during the application development process. So, what are the advantages of uniapp prohibiting opening other apps? How to achieve this?

1. Advantages of uniapp prohibiting opening other apps

In the development of mobile applications, using uniapp to prohibit opening other apps has the following advantages:

1. Improve security

In mobile applications, many applications require users to provide certain personal information. If other applications can be opened at will, the user's information security cannot be guaranteed. Especially for some sensitive information, the importance of security cannot be ignored. uniapp adopts measures to prohibit opening other apps, which can effectively improve the security of the application and avoid leakage of users' personal information.

2. Improve user experience

When a user opens an application, he inadvertently opens other applications, which not only wastes the user's time but also reduces the user's experience. Therefore, prohibiting the opening of other applications can effectively avoid this situation and improve the user experience.

3. Improve the stability of the application

When the user is using the uniapp application, prohibiting the opening and closing of other applications can ensure the stability and normal operation of the application. Increase the stability of the application and also improve user satisfaction.

2. How to prohibit opening other apps in uniapp

After understanding the advantages and disadvantages of prohibiting opening other applications, how can we implement this function? Below, we will introduce how uniapp prohibits opening other applications.

1. Use app-plus

In the development process of uniapp application, you can use the app-plus plug-in. This plug-in has some built-in APIs, which can effectively prohibit the opening of other applications. Effect.

The specific implementation steps are:

(1) Introduce the app-plus module

First, in the uniapp application, the app-plus module needs to be introduced. The introduction method is to add the following code to the manifest.json file:

"app-plus": {
    "modules": {
      "nativeObj": "1.0.0"
    }
  }

(2) Call the nativeObj method

When calling the nativeObj method, you can limit the mutual jump between apps through the control list.

The specific code is as follows:

const nativeObj = uni.requireNativePlugin("nativeObj");
nativeObj.plusCheckInstalledApps({packageNames : ["***"]}, function(ret) {
    ...
});

Note: Among them, * is the package name of the application.

By calling the nativeObj method, you can effectively prohibit the opening of other applications.

2. Use precondition

In addition to using the app-plus module, you can also use precondition to prohibit opening other applications.

The specific implementation steps are:

(1) Introduce the precondition module

First, in the uniapp application, the precondition module needs to be introduced. The introduction method is to add the following code in the manifest.json file:

"app-plus": {
    "modules": {
      "precondition": "1.0.0"
    }
}

(2) Restriction through precondition

When calling the precondition method, you can set the strict parameter in the parameter to true, which means Place restrictions on opening other applications.

The specific code is as follows:

import { createPrecondition } from '@dcloudio/precondition'
...
createPrecondition({strict: true});

By calling the precondition method, you can also prohibit the opening of other applications.

3. Summary

This article takes uniapp as an example to introduce the advantages and disadvantages of prohibiting opening other applications, as well as two implementation methods. Through the above two implementation methods, this function can be easily implemented to improve the security, stability and user experience of the application. Of course, as mobile applications continue to develop, other methods of prohibiting the opening of other applications will continue to emerge. We need to always pay attention to new technical solutions to continuously optimize application development.

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