Hola, quiero crear una interfaz de usuario en mi aplicación de reacción nativa como esta

pero me estoy poniendo así

aqui esta mi codigo

<View style={{flex: 1,flexDirection:'row'}}>
            <View style={{flexDirection:'column',justifyContent:'center',alignItems:'center',alignSelf:'center'}}>
                <View style={{flex: 1,flexDirection:'row',alignItems:'flex-end',alignSelf:'flex-end',margin:10}}>
                    <Item style={{backgroundColor:AppColors.white,borderRadius:10,flexDirection:'column',height:100, width:100}}></Item>
                </View>
                <View style={{flex: 1,flexDirection:'row',alignItems:'flex-start',alignSelf:'flex-end',margin:10}}>
                    <Item style={{backgroundColor:AppColors.white,borderRadius:10,flexDirection:'column',height:100, width:100}}></Item>
                </View>
            </View>
            <View style={{justifyContent:'center',alignItems:'center',alignSelf:'center'}}>
                <Item style={{backgroundColor:AppColors.colorPrimaryDark,
                    borderRadius:10,height:100, width:100, borderRadius:100/2}}></Item>
            </View>
            <View style={{flexDirection:'column',justifyContent:'center',alignItems:'center',alignSelf:'center'}}>
                <View style={{flex: 1,flexDirection:'row',alignItems:'flex-end',alignSelf:'flex-start',margin:10}}>
                    <Item style={{backgroundColor:AppColors.white,borderRadius:10,flexDirection:'column',height:100, width:100}}></Item>
                </View>
                <View style={{flex: 1,flexDirection:'row',alignItems:'flex-start',alignSelf:'flex-start',margin:10}}>
                    <Item style={{backgroundColor:AppColors.white,borderRadius:10,flexDirection:'column',height:100, width:100}}></Item>
                </View>
            </View>
        </View>