columnCenterAlignItems.js

render() {
 return ( 
 < View style = {
   {
    flex: 1,
    flexDirection: ‘row’,
    justifyContent: ‘center’,
    alignItems: ‘center’, //changed value of alignItems
   }
  } >
  < View style = {{width: 50,height: 50,backgroundColor: ‘powderblue’}} />
  < View style = {{width: 50,height: 50,backgroundColor: ‘skyblue’}} /> 
  < View style = {{width: 50,height: 50,backgroundColor: ‘steelblue’}} /> 
   </View>
 );
}
};