jetpack compose - Row alignment

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.material.*
import androidx.compose.runtime.*
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
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 Alignment",
                    color = Color.White)},
                backgroundColor = Color(0xFF58427C)) },
            content = {MainContent()},
            backgroundColor = Color(0xFFEDEAE0)
        )
    }


    @Composable
    fun MainContent(){
        Column(
            modifier = Modifier
                .fillMaxSize()
                .padding(12.dp),
            verticalArrangement = Arrangement.SpaceEvenly
        ) {
            Row(
                modifier = Modifier
                    .height(150.dp)
                    .fillMaxWidth()
                    .background(Color(0xFFC0E8D5))
                    .wrapContentSize(Alignment.TopEnd)
                    .padding(12.dp)
            ) {
                Text(
                    text = "Alignment End",
                    Modifier.background(Color(0xFFF19CBB))
                        .padding(12.dp)
                )
            }

            Row(
                modifier = Modifier
                    .height(150.dp)
                    .fillMaxWidth()
                    .background(Color(0xFFCD9575))
                    .wrapContentSize(Alignment.BottomCenter)
                    .padding(12.dp)
            ) {
                Text(
                    text = "Alignment Bottom Center",
                    Modifier.background(Color(0xFF89CFF0))
                        .padding(12.dp)
                )
            }

            Row(
                modifier = Modifier
                    .height(150.dp)
                    .fillMaxWidth()
                    .background(Color(0xFF8DB600))
                    .wrapContentSize(Alignment.Center)
                    .padding(12.dp)
            ) {
                Text(
                    text = "Alignment Center",
                    Modifier.background(Color(0xFFF0FFFF))
                        .padding(12.dp)
                )
            }
        }
    }


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