Harmonyos fourth training

Catalog

1. name

2. Popup

3.web Components

4.cemara Components

1. name

When naming, pay attention to avoid repetition with keywords , Otherwise, an error will be reported

2. Popup

Import the module first

import prompt from '@system.prompt';3

prompt.showToast

showToast(Object): void

Display text pop-up

 

 

3.web Components

First, add the permission list ：ohos.permission.INTERNET

A page only supports one web Components , It will be displayed in full screen , If there are other components in the page , Will be web Component overlay ,web Components do not follow transition animation

 

 

4.cemara Components

Add permission list ： ohos.permission.CAMERA