#鸿蒙学习大百科#如何创建悬浮窗组件?

如何创建悬浮窗组件?

HarmonyOS
2024-10-22 13:26:09
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  // 1.创建悬浮窗。
  let windowClass: window.Window | null = null;
  let config: window.Configuration = {
    name: "floatWindow", windowType: window.WindowType.TYPE_FLOAT, ctx: this.context
  };
  window.createWindow(config, (err: BusinessError, data) => {
    let errCode: number = err.code;
    if (errCode) {
      console.error('Failed to create the floatWindow. Cause: ' + JSON.stringify(err));
      return;
    }
    console.info('Succeeded in creating the floatWindow. Data: ' + JSON.stringify(data));
    windowClass = data;
    // 2.悬浮窗窗口创建成功后,设置悬浮窗的位置、大小及相关属性等。
    windowClass.moveWindowTo(300, 300, (err: BusinessError) => {
      let errCode: number = err.code;
      if (errCode) {
        console.error('Failed to move the window. Cause:' + JSON.stringify(err));
        return;
      }
      console.info('Succeeded in moving the window.');
    });
    windowClass.resize(500, 500, (err: BusinessError) => {
      let errCode: number = err.code;
      if (errCode) {
        console.error('Failed to change the window size. Cause:' + JSON.stringify(err));
        return;
      }
      console.info('Succeeded in changing the window size.');
    });
    // 3.为悬浮窗加载对应的目标页面。
    windowClass.setUIContent("pages/Index", (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.');
      // 3.显示悬浮窗。
      (windowClass as window.Window).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.');
      });
    });
    // 4.销毁悬浮窗。当不再需要悬浮窗时,可根据具体实现逻辑,使用destroy对其进行销毁。
    windowClass.destroyWindow((err: BusinessError) => {
      let errCode: number = err.code;
      if (errCode) {
        console.error('Failed to destroy the window. Cause: ' + JSON.stringify(err));
        return;
      }
      console.info('Succeeded in destroying the window.');
    });
  })

}
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2024-10-22 22:39:57
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