* Copyright (c) 2026 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License"),
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
* @file
* @kit ArkUI
*/
import { Size } from './arkui/Graphics';
* Defines the configuration options for ContainerReader component.
* Used to specify the parameters for container dimension reading and breakpoint analysis.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @stagemodelonly
* @crossplatform
* @form
* @atomicservice
* @since 26.0.0 dynamic
*/
export interface ContainerReaderInfo {
* The target container size for layout analysis.
* Defines the reference dimensions used for breakpoint calculation and layout adaptation.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @stagemodelonly
* @crossplatform
* @form
* @atomicservice
* @since 26.0.0 dynamic
*/
size: Size;
* Optional width breakpoint configuration for container width analysis.
* Defines the width thresholds that trigger different layout behaviors.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @stagemodelonly
* @crossplatform
* @form
* @atomicservice
* @since 26.0.0 dynamic
*/
widthBreakpoint?: WidthBreakpoint;
* Optional height breakpoint configuration for container height analysis.
* Defines the height thresholds that trigger different layout behaviors.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @stagemodelonly
* @crossplatform
* @form
* @atomicservice
* @since 26.0.0 dynamic
*/
heightBreakpoint?: HeightBreakpoint;
}
* Defines the breakpoint configuration options for container dimension analysis.
* Specifies threshold values that trigger different layout behaviors based on container size.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @stagemodelonly
* @crossplatform
* @form
* @atomicservice
* @since 26.0.0 dynamic
*/
export interface BreakpointOptions {
* Optional array of width breakpoint values in vp units.
* Defines the width thresholds for container width analysis.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @stagemodelonly
* @crossplatform
* @form
* @atomicservice
* @since 26.0.0 dynamic
*/
width?: Array<double>;
* Optional array of height breakpoint values in vp units.
* Defines the height thresholds for container height analysis.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @stagemodelonly
* @crossplatform
* @form
* @atomicservice
* @since 26.0.0 dynamic
*/
height?: Array<double>;
}
* Defines the ContainerReader Component.
* Used for reading and analyzing container layout information based on size breakpoints in dynamic scenarios.
* Provides container dimension analysis and breakpoint detection capabilities.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @stagemodelonly
* @crossplatform
* @form
* @atomicservice
* @since 26.0.0 dynamic
*/
export interface ContainerReaderInterface {
* Sets the container reading configuration for ContainerReader component.
* Configures the size parameters and breakpoint rules for container layout analysis.
*
* @param { ContainerReaderInfo } value - The configuration options for container reading
* @returns { ContainerReaderAttribute }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @stagemodelonly
* @crossplatform
* @form
* @atomicservice
* @since 26.0.0 dynamic
*/
(value: ContainerReaderInfo): ContainerReaderAttribute;
}
* Defines the ContainerReader attribute functions.
* Provides methods for configuring container reading parameters and breakpoint analysis properties.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @stagemodelonly
* @crossplatform
* @form
* @atomicservice
* @since 26.0.0 dynamic
*/
export declare class ContainerReaderAttribute extends CommonMethod<ContainerReaderAttribute> {
* Sets the breakpoint configuration for container dimension analysis.
* Defines a set of threshold values that trigger different layout behaviors based on container size.
*
* @param { BreakpointOptions } [value] - An array of breakpoint values in vp
* @returns { ContainerReaderAttribute }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @stagemodelonly
* @crossplatform
* @form
* @atomicservice
* @since 26.0.0 dynamic
*/
breakpointConfig(value?: BreakpointOptions): ContainerReaderAttribute;
}
* Defines ContainerReader Component.
* A component that analyzes container dimensions and provides breakpoint information for responsive layouts.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @stagemodelonly
* @crossplatform
* @form
* @atomicservice
* @uicomponent
* @since 26.0.0 dynamic
*/
export declare const ContainerReader: ContainerReaderInterface;
* Defines ContainerReader Component instance.
* Provides access to ContainerReader component methods for container dimension analysis and breakpoint detection.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @stagemodelonly
* @crossplatform
* @form
* @atomicservice
* @uicomponent
* @since 26.0.0 dynamic
*/
export declare const ContainerReaderInstance: ContainerReaderAttribute;