如何控制TextInput软键盘的拉起与收起(获焦失焦)

@Entry 
@Component 
struct TextInputExample { 
  @State oneButtonColor: string = '#FFC0CB' 
 
  build() { 
    Column() { 
      TextInput({ placeholder: '' }) 
        .width('95%') 
        .height(40) 
        .margin(20) 
        .onFocus(() => { 
          console.log("input获焦"); 
        }) 
        .onBlur(() => { 
          console.log("input失焦"); 
        }) 
      // button设置点击时能获焦 
      Button('First Button') 
        .backgroundColor(this.oneButtonColor) 
        .width(260) 
        .height(70) 
        .fontColor(Color.Black) 
        .focusable(true) 
          // 设置点击获取焦点 
        .focusOnTouch(true) 
        .onFocus(() => { 
          this.oneButtonColor = '#FF0000' 
        }) 
        .onBlur(() => { 
          this.oneButtonColor = '#FFC0CB' 
        }) 
    }.width('100%') 
 
  } 
}

import promptAction from '@ohos.promptAction'; 
 
@Entry 
@Component 
struct RequestFocusExample { 
  @State idList: string[] = ['A', 'B', 'LastPageId'] 
  @State selectId: string = 'LastPageId' 
 
  build() { 
    Column({ space:20 }){ 
      Row({space: 5}) { 
        Button("id: " + this.idList[0] + " focusable(false)") 
          .width(200).height(70).fontColor(Color.White) 
          .key(this.idList[0]) 
          .focusable(false) 
          .onFocus(() => { 
            console.info(this.idList[0] + '获焦') 
          }) 
          .onBlur(() => { 
            console.info(this.idList[0] + '失焦') 
          }) 
        Button("id: " + this.idList[1]) 
          .width(200).height(70).fontColor(Color.White) 
          .key(this.idList[1]) 
          .onFocus(() => { 
            console.info(this.idList[1] + '获焦') 
          }) 
          .onBlur(() => { 
            console.info(this.idList[1] + '失焦') 
          }) 
      } 
      Row({space: 5}) { 
        Select([{value: this.idList[0]}, 
          {value: this.idList[1]}, 
          {value: this.idList[2]}]) 
          .value(this.selectId) 
          .onSelect((index: number) => { 
            this.selectId = this.idList[index] 
          }) 
        Button("RequestFocus") 
          .width(200).height(70).fontColor(Color.White) 
          .onClick(() => { 
            let res = focusControl.requestFocus(this.selectId)      // 使选中的this.selectId的组件获焦 
            if (res) { 
              promptAction.showToast({message: 'Request success'}) 
            } else { 
              promptAction.showToast({message: 'Request failed'}) 
            } 
          }) 
      } 
    }.width('100%').margin({ top:20 }) 
  } 
}