Ensuring Multi-Instance Functionality in the NDK Since API version 20, the ArkUI development framework provides the OH_ArkUI_RunTaskInScope API to address component operation challenges in multi-insta
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openharmony 鸿蒙 ndk-build-form-components
Building Form Components ArkUI NDK provides multiple form components, including Button, Slider, Toggle, Checkbox, CheckboxGroup, and Radio Button (Radio). These components are basic elements for user
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openharmony 鸿蒙 ndk-embed-render-components
Building a Rendering Node Since API version 20, the ArkUI development framework provides NDK APIs for directly building rendering nodes. These capabilities include rendering node tree operations, attr
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openharmony 鸿蒙 arkts-stability-guide
UI Stability Issue Analysis Overview This topic explains the concepts and classification of stability issues, and provides guidance for locating stability issues using system debugging capabilities an
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openharmony 鸿蒙 arkts-layout-development-create-waterflow
Creating a Waterfall Flow (WaterFlow) You can use the WaterFlow component in ArkUI to create a waterfall flow layout, which is commonly used to display image collections, especially in e-commerce and
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openharmony 鸿蒙 arkts-manage-keyboard
Soft Keyboard Management The soft keyboard serves as a critical user interaction channel for text input. This topic explains how to control soft keyboard display and hiding when using system input com
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openharmony 鸿蒙 arkts-interaction-development-guide-touchpad
Handling Touchpad Input Events Touchpad interactions generate different types of input events depending on the gesture performed. A single-finger tap triggers a left mouse click event. A single-finger
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openharmony 鸿蒙 arkts-user-defined-draw
Custom Drawing Overview If the default drawing content of a component fails to meet your requirements, you can customize the component's drawing to achieve the desired effect. For example, you can cre
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openharmony 鸿蒙 arkts-interaction-development-guide-mouse
Handling Mouse Input Events The mouse is a key input device, especially for 2-in-1 devices. It can perform actions such as tapping or swiping via button clicks and trigger scrolling gestures using the
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openharmony 鸿蒙 arkts-new-rendering-control-repeat
Repeat: Reusing Components for Repeated Content Rendering NOTE Repeat is supported since API version 12. This topic serves as a development guide. For details about the component API specifications, s
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