jetpack compose - Row gravity

MainActivity.kt

package com.cfsuman.jetpackcompose

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import androidx.activity.compose.setContent
import androidx.compose.foundation.background
import androidx.compose.foundation.layout.*
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.material.*
import androidx.compose.runtime.*
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.draw.clip
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.dp

class MainActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        setContent {
            GetScaffold()
        }
    }


    @Composable
    fun GetScaffold(){
        Scaffold(
            topBar = {TopAppBar(
                title = {Text(
                    "Compose - Row Gravity",
                    color = Color.White)},
                backgroundColor = Color(0xFF58427C)) },
            content = {MainContent()},
            backgroundColor = Color(0xFFEDEAE0)
        )
    }


    @Composable
    fun MainContent(){
        Column(
            modifier = Modifier
                .fillMaxSize()
                .padding(8.dp),
            verticalArrangement = Arrangement.SpaceEvenly
        ) {
            Row(
                modifier = Modifier
                    .padding(12.dp)
                    .background(Color(0xFFE4D00A))
                    .fillMaxSize()
                    .weight(1f)
                    .wrapContentSize(align = Alignment.Center)
            ) {
                Box(
                    Modifier
                        .clip(RoundedCornerShape(4.dp))
                        .background(Color(0xFFDC143C))
                        .padding(16.dp)
                ){
                    Text(
                        text = "Gravity Center",
                        style = MaterialTheme.typography.h5
                    )
                }
            }

            Row(
                modifier = Modifier
                    .padding(12.dp)
                    .background(Color(0xFF98817B))
                    .fillMaxSize()
                    .weight(1f)
                    .wrapContentSize(align = Alignment.BottomEnd)
            ) {
                Box(
                    Modifier
                        .clip(RoundedCornerShape(4.dp))
                        .background(Color(0xFFDC143C))
                        .padding(16.dp)
                ){
                    Text(
                        text = "Bottom End",
                        style = MaterialTheme.typography.h5
                    )
                }
            }

            Row(
                modifier = Modifier
                    .padding(12.dp)
                    .background(Color(0xFFA7D8DE))
                    .fillMaxSize()
                    .weight(1f)
                    .wrapContentSize(align = Alignment.TopCenter)
            ) {
                Box(
                    Modifier
                        .clip(RoundedCornerShape(4.dp))
                        .background(Color(0xFFDC143C))
                        .padding(16.dp)
                ){
                    Text(
                        text = "Top Center",
                        style = MaterialTheme.typography.h5
                    )
                }
            }
        }
    }


    @Preview
    @Composable
    fun ComposablePreview(){
        //GetScaffold()
    }
}