// Customize EXAMPLE_URL in extraData on your own. It is up to you whether to add parameters to the URL.
"EXAMPLE_URL",
{
method:http.RequestMethod.POST,// Optional. The default value is http.RequestMethod.GET.
// You can add header fields based on service requirements.
...
...
@@ -81,7 +82,7 @@ httpRequest.request(
// Call the destroy() method to release resources after HttpRequest is complete.
httpRequest.destroy();
}else{
console.info('error:'+JSON.stringify(err));
console.error('error:'+JSON.stringify(err));
// Unsubscribe from HTTP Response Header events.
httpRequest.off('headersReceive');
// Call the destroy() method to release resources after HttpRequest is complete.
...
...
@@ -146,7 +147,7 @@ httpRequest.request2(
readTimeout:60000,// Optional. The default value is 60000, in ms. If a large amount of data needs to be transmitted, you are advised to set this parameter to a larger value to ensure normal data transmission.
usingProtocol:http.HttpProtocol.HTTP1_1,// Optional. The default protocol type is automatically specified by the system.
@@ -40,7 +40,7 @@ The standard system capabilities of OpenHarmony 4.0 are continuously improved. A
- RDB store NDK interfaces are provided. These interfaces are used for transaction addition, deletion, modification, and query, data encryption, hierarchical data protection, and backup and restore.
- The system can automatically selects a Bluetooth or Wi-Fi P2P channel for synchronization of key-value and distributed data objects based on the data volume.
- The system can automatically select a Bluetooth or Wi-Fi P2P channel for synchronization of key-value and distributed data objects based on the data volume.
### DSoftBus
...
...
@@ -293,6 +293,25 @@ Code execution permission control is enhanced as follows:
- The sensor driver provides driving for temperature and humidity sensors. It supports the query of temperature and humidity components of small-system devices, component enabling/disabling, and data query.
### DevEco Studio
- The editor supports the Optimize Imports feature, which helps you remove unused imports and merge or sort imports based on preset rules.
- The editor provides template code for overriding parent class methods so that you can quickly generate child class methods based on the parent class template.
- The editor supports the Safe Delete feature, which helps you securely delete identifier objects (variables, functions, or classes) from your code.
- ArkTS projects of API version 10 in the stage model support code obfuscation.
- You can extend build tasks and add Hvigor tasks.
- Profiler supports launch scenario analysis, which helps you analyze the time consumed in each phase of the application and service launch process.
- Profiler supports launch memory analysis, which helps you analyze the memory resources occupied by applications and services during launch and identify memory bottlenecks.
- Since DevEco Studio 4.0 Beta2, Node.js is classified into DevEco Studio-level Node.js and project-level Node.js.
- C++ code refactoring is supported in two use cases: expanding macros and moving function bodies to implementation.
- ArkTS system components can be extracted to the @Builder method, and ArkTS system attributes can be extracted to the @Styles and @Extend methods.
- In API 10 projects, target ahead-of-time (AOT) compilation can be used.
- Hvigor provides the **prune** command, which can be used to clear Hvigor cache files that are not used within 30 days and delete packages that are not referenced from the pnpm storage.
- The Specified Ability page is optimized so that you can select an ability to start.
- The HiLog and FaultLog UIs are optimized, and case-sensitive HiLog search is added for easier log information locating.
- The features of selecting time segments and favoriting lanes are optimized in Profiler.
-[ArkUI-X](https://gitee.com/arkui-x) samples can be imported to facilitate the creation of cross-platform projects.
## Version Mapping
**Table 1** Version mapping of software and tools
...
...
@@ -391,7 +410,7 @@ This version has the following updates to OpenHarmony 4.0 Beta1.
### API
For details about the API changes over OpenHarmony 4.0 Beta1, see [API Differences](/api-diff/v4.0-beta2/Readme-EN.md). A few API changes may affect applications developed using API version 9 or earlier. For details about the change impact and adaptation guide, see [Changelogs](changelogs/v4.0-beta2/Readme-EN.md).
For details about the API changes over OpenHarmony 4.0 Beta1, see [API Differences](./api-diff/v4.0-beta2/Readme-EN.md). A few API changes may affect applications developed using API version 9 or earlier. For details about the change impact and adaptation guide, see [Changelogs](./changelogs/v4.0-beta2/Readme-EN.md).
