How to display directory files in ionic using listDir() method

@VinodTillu wrote:

Am able to create and remove a directory but how to display the files of that directory on screen.
Am getting [object Obejct] on screen
Home.ts

listAllFiles(){
    this.platform.ready().then(() => {
      this.file.listDir(this.file.externalRootDirectory, "DirectoryFile")

        .then((listfiles) => {
          this.showFile=listfiles;
          console.log("Directory listeing" + this.showFile);

        })
        .catch((err) =>{
        alert(JSON.stringify(err));
      })
    })
  }

Home.html

 <ion-list>
          <ion-item *ngFor="let printValues of showFile">
          {{printValues}}
        </ion-item>
      </ion-list>

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