@ohos.app.ability.contextConstant (ContextConstant)
1. Description
ContextConstant provides Context-related enumerations, which currently only include enumerations for data encryption levels. The first batch of interfaces of this module are supported starting from API version 9. For new interfaces in subsequent versions, the initial version of the interface is individually marked with a superscript. This module interface can only be used under the Stage model.
2. Import module
.import contextConstant from ‘@ohos.app.ability.contextConstant’;
三、ContextConstant.AreaMode
Obtained through ContextConstant.AreaMode when used. System capabilities: The system capabilities corresponding to the following items are SystemCapability.Ability.AbilityRuntime.Core
end
Here is a "Hongmeng (HarmonyOS) Development Learning Guide", hoping to provide some help to those who want to learn Hongmeng but have no direction. (Due to the excessive content of the document, in order to avoid affecting everyone’s reading experience, only part of the content is shown in screenshots. There is a free way to obtain the detailed full version at the end of the article!)
"HarmonyOS Development Study Guide"
Chapter 1 Quick Start
1. Development preparation
2. Build the first ArkTS application (Stage model)
3. Build the first ArkTS application (FA model)
4. Build the first JS application (FA model)
5、…
Chapter 2 Development Basics
1. Basic knowledge of application packages
2. Application configuration file (Stage model)
3. Application configuration file overview (FA model)
4、…
Chapter 3 Resource Classification and Access
1. Resource classification and access
2. Create resource directories and resource files
3. Resource access
4、…
Chapter 4 Learning ArkTs Language
1. First introduction to ArkTS language
2. Basic grammar
3. Status management
4. Other status management
5. Rendering control
6、…
Chapter 5 UI Development
1. Overview of Ark Development Framework (ArkUI)
2. Based on ArkTS declarative development paradigm
3. Web-like development paradigm compatible with JS
4…
Chapter 6 Web Development
1. Overview of Web Components
2. Load the page using web components
3. Set basic properties and events
4. Use front-end page JavaScript in your application
5. Overview of ArkTS language basic class library
6. Concurrency
7…
11. Network and connections
12. Telephone service
13.Data management
14.File management
15.Background task management
16.Device management
17…
Chapter 7 Application Model
1. Overview of application model
2.Stage model development guidance
3.FA model development guidance
4…
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