Input Box and Input Method Interaction in Non-Focusable Windows When to Use Before using an input method, its host application must have focus. You need to handle focus correctly to ensure the proper
阅读全文
openharmony 鸿蒙 inputmethod-hdc-commands-guide
Managing the Input Method Using hdc Commands NOTE The IME tool is supported since API version 20. How to Use hdc shell ime [option] [parameter] Commands OptionParameterDescription -ebundle [-b /-f]Ena
阅读全文
openharmony 鸿蒙 switch-inputmethod-guide
Switching Between Input Methods You can use the APIs of the input method framework service to easily switch between input methods and input method subtypes. NOTE The following APIs can be called only
阅读全文
openharmony 鸿蒙 arkgraphics3D-resource-environment
Creating and Using Environment Resources Environment is a description of the 3D scene background, which can be created based on images. To simulate a real-world environment in a 3D scene, you can map
阅读全文
openharmony 鸿蒙 arkgraphics3D-resource-image
Creating and Using Image Resources Image is essentially a two-dimensional buffer for storing information required for 3D rendering calculation, such as basic colors and normals. ArkGraphics 3D provide
阅读全文
openharmony 鸿蒙 arkgraphics3D-resource-material
Creating and Using Material Resources Materials are essential resources that define the visual appearance of an object's surface. They determine how an object interacts with light, thereby affecting i
阅读全文
openharmony 鸿蒙 arkgraphics3D-shader-resource
Requirements on the .shader File Format In ArkGraphics 3D, .shader files are based on the JSON format and must adhere to JSON syntax. These files consist of the following sections: compatibility_info
阅读全文
openharmony 鸿蒙 avscreencapture-c-basic-process
Using AVScreenCapture in Basic Scenarios Screen capture enables you to collect screen data for scenarios like screen recording, meeting sharing, and live streaming. By calling the C APIs of the AVScre
阅读全文
openharmony 鸿蒙 avscreencapture-faqs
Screen Capture FAQs Error Code AV_SCREEN_CAPTURE_ERR_OPERATE_NOT_PERMIT Is Reported When Starting Screen Capture This error occurs when the number of instances exceeds the system limit. The current sp
阅读全文
openharmony 鸿蒙 video-supports-rectangular-area-recording
Capturing the Specified Area on a Screen Basic Concepts Starting from API version 20, you can capture a specified rectangular area of the screen during recording. This feature enhances the existing sc
阅读全文