react native flexbox 2 columns 1 fixed width

  <View style={{flex: 1, flexDirection: 'row'}}>
    <View style={{
      backgroundColor: 'blue',
      flexGrow: 1,
    }}>
      <Text>Fluid</Text>
    </View>
    <View style={{
      backgroundColor: 'red',
      width: 100,
    }}>
      <Text>Fixed</Text>        
    </View>
  </View>