StyleSheet#hairlineWidth

hairlineWidth: CallExpression

This is defined as the width of a thin line on the platform. It can be used as the thickness of a border or division between two elements. Example:

  {
    borderBottomColor: '#bbb',
    borderBottomWidth: StyleSheet.hairlineWidth
  }

This constant will always be a round number of pixels (so a line defined by it look crisp) and will try to match the standard width of a thin line on the underlying platform. However, you should not rely on it being a constant size, because on different platforms and screen densities its value may be calculated differently.

doc_React_Native
2016-06-23 04:25:30
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