code: func (k *Apk) Icon(resConfig *androidbinary.ResTableConfig) (image.Image, error) {
  	iconPath := k.getResource(k.manifest.App.Icon, resConfig)
  	if androidbinary.IsResID(iconPath) {
  		return nil, errors.New("unable to convert icon-id to icon path")
  	}
  	imgData, err := k.readZipFile(iconPath)
  	if err != nil {
  		return nil, err
  	}
  	m, _, err := image.Decode(bytes.NewReader(imgData))
  	return m, err
  }
docs: // Icon returns the icon image of the APK.