HarmonyOS NEXT实战：窗口沉浸式效果

setWindowLayoutFullScreen(isLayoutFullScreen: boolean): Promise<void>

import { window } from '@kit.ArkUI';
import { common } from '@kit.AbilityKit';
import { BusinessError } from '@kit.BasicServicesKit';

@Entry
@Component
struct SetFullWindowPage {
  @StorageProp('topRectHeight')
  topRectHeight: number = 0;
  @StorageProp('bottomRectHeight')
  bottomRectHeight: number = 0;

  build() {
    Column({ space: 10 }) {
      Text('SetFullWindow Page')
        .fontSize(20)
        .fontWeight(FontWeight.Bold)
      Text(`topRectHeight = ${this.topRectHeight}`)
      Text(`bottomRectHeight = ${this.bottomRectHeight}`)

      Button('SetFullWindow')
        .onClick(() => {
          this.setFullWindow(true)
        })
      Button('CancelFullWindow')
        .onClick(() => {
          this.setFullWindow(false)
        })
    }
    .height('100%')
    .width('100%')
    .backgroundColor('#cccccc')
    .padding({ top: this.topRectHeight, bottom: this.bottomRectHeight })
  }

  async setFullWindow(isLayoutFullScreen: boolean = true) {
    let context = getContext(this) as common.UIAbilityContext;
    let windowClass = await window.getLastWindow(context);
    // 1. 设置窗口全屏
    windowClass.setWindowLayoutFullScreen(isLayoutFullScreen).then(() => {
      console.info('Succeeded in setting the window layout to full-screen mode.');
    }).catch((err: BusinessError) => {
      console.error('Failed to set the window layout to full-screen mode. Cause:' + JSON.stringify(err));
    });
    // 2. 获取布局避让遮挡的区域
    let type = window.AvoidAreaType.TYPE_NAVIGATION_INDICATOR; // 以导航条避让为例
    let avoidArea = windowClass.getWindowAvoidArea(type);
    let bottomRectHeight = avoidArea.bottomRect.height; // 获取到导航条区域的高度
    AppStorage.setOrCreate('bottomRectHeight', px2vp(bottomRectHeight));
    type = window.AvoidAreaType.TYPE_SYSTEM; // 以状态栏避让为例
    avoidArea = windowClass.getWindowAvoidArea(type);
    let topRectHeight = avoidArea.topRect.height; // 获取状态栏区域高度
    AppStorage.setOrCreate('topRectHeight', px2vp(topRectHeight));

    // 3. 注册监听函数，动态获取避让区域数据
    windowClass.on('avoidAreaChange', (data) => {
      if (data.type === window.AvoidAreaType.TYPE_SYSTEM) {
        let topRectHeight = data.area.topRect.height;
        AppStorage.setOrCreate('topRectHeight', px2vp(topRectHeight));
      } else if (data.type == window.AvoidAreaType.TYPE_NAVIGATION_INDICATOR) {
        let bottomRectHeight = data.area.bottomRect.height;
        AppStorage.setOrCreate('bottomRectHeight', px2vp(bottomRectHeight));
      }
    });
  }
}