HarmonyOS NEXT开发教程：全局悬浮窗

Stack({alignContent:Alignment.BottomEnd}){
  Tabs({barPosition:BarPosition.End}){
    TabContent(){
      Text('page1')
        .fontColor(Color.Black)
        .fontSize(40)
    }
    .tabBar(this.Tabbar())
    TabContent(){
      Page2()
    }
    .tabBar(this.Tabbar())
  
  }
  Row(){
   //这是悬浮窗
  }
  .width(60)
  .height(60)
  .borderRadius(30)
  .backgroundColor(Color.Blue)
}

//尺寸data.resize(300,300,(err: BusinessError) => {})

//位置data.moveWindowTo(400,400,(err: BusinessError) => {})

//展示data.showWindow((err: BusinessError) => {});

data?.setWindowBackgroundColor('#00000000');

window.findWindow(FloatUntil.windowName).destroyWindow()

import EntryAbility from "../entryability/EntryAbility";
import { BusinessError } from "@kit.BasicServicesKit";
import { display, window } from "@kit.ArkUI";
export class FloatUntil{
  static  screen_width = display.getDefaultDisplaySync().width
  static screen_height = display.getDefaultDisplaySync().height
  static float_size = 420
  static  float_positon_x = FloatUntil.screen_width - FloatUntil.float_size - 40
  static  float_positon_y = FloatUntil.screen_height - FloatUntil.float_size - 440
  static  windowName = 'floatWindow'
 static  creatAndShowSubWindow(){
    EntryAbility.gloabalWindowStage.createSubWindow(FloatUntil.windowName, (err: BusinessError, data) => {
      let errCode: number = err.code;
      if (errCode) {
        return;
      }
      //位置、尺寸单位是px，只支持正整数
      data.moveWindowTo(FloatUntil.float_positon_x, FloatUntil.float_positon_y, (err: BusinessError) => {
        let errCode: number = err.code;
        if (errCode) {
          return;
        }
        console.info('Succeeded in moving the window.');
      });
      data.resize(FloatUntil.float_size, FloatUntil.float_size, (err: BusinessError) => {
        let errCode: number = err.code;
        if (errCode) {
          return;
        }
      });
      //悬浮窗是否可触
      data.setWindowTouchable(true);
      data.setUIContent("pages/FloatWindow", (err: BusinessError) => {
        let errCode: number = err.code;
        if (errCode) {
          console.error('Failed to load the content. Cause:' + JSON.stringify(err));
          return;
        }
        console.info('Succeeded in loading the content.');
        //设置窗口背景色透明，只有在这调用才不会报错
        data?.setWindowBackgroundColor('#00000000');
        data.showWindow((err: BusinessError) => {
          let errCode: number = err.code;
          if (errCode) {
            console.error('Failed to show the window. Cause: ' + JSON.stringify(err));
            return;
          }
          console.info('Succeeded in showing the window.');
        });
      });
    })
  }
  static moveWindowTo(x:number,y:number){
    window.findWindow(FloatUntil.windowName).moveWindowTo(x,y)
  }
  static destroyFloatWindow(){
     window.findWindow(FloatUntil.windowName).destroyWindow()
  }
}

##HarmonyOS语言##ArkTS##工具效率#