Getting Mainline version and ART version

MainActvity.kt

package com.example.myapplication

import android.content.Context
import android.content.pm.PackageManager
import android.os.Bundle
import android.util.Log
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.activity.enableEdgeToEdge
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.padding
import androidx.compose.material3.ExperimentalMaterial3Api
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.Scaffold
import androidx.compose.material3.Text
import androidx.compose.material3.TopAppBar
import androidx.compose.material3.TopAppBarDefaults
import androidx.compose.ui.Modifier
import com.example.myapplication.ui.theme.MyApplicationTheme


@OptIn(ExperimentalMaterial3Api::class)
class MainActivity : ComponentActivity() {

    private val ART_PACKAGE = "com.google.android.art"
    private val MAINLINE_PACKAGE = "com.google.android.modulemetadata"

    override fun onCreate(savedInstanceState: Bundle?) {
        enableEdgeToEdge()
        super.onCreate(savedInstanceState)
        setContent {
            MyApplicationTheme {
                Scaffold(modifier = Modifier.fillMaxSize(), topBar = {
                    TopAppBar(
                        colors = TopAppBarDefaults.topAppBarColors(
                            containerColor = MaterialTheme.colorScheme.primaryContainer,
                            titleContentColor = MaterialTheme.colorScheme.primary,
                        ),
                        title = {
                            Text("Mainline Info")
                        }
                    )
                }) { innerPadding ->
                    Column(modifier = Modifier.padding(innerPadding)) {
                        Text("mainlineVersion: " + mainlineVersion(this@MainActivity).toString())
                        Text("artVersion: " + artVersion(this@MainActivity).toString())
                    }

                }
            }
        }

        Log.d(this.javaClass.name, "mainlineVersion: " + mainlineVersion(this).toString())
        Log.d(this.javaClass.name, "artVersion: " + artVersion(this).toString())
    }

    private fun artVersion(context: Context): Long? {
        val moduleProvider = ART_PACKAGE

        return try {
            val pm = context.packageManager
            val packageInfo = pm.getPackageInfo(moduleProvider, PackageManager.MATCH_APEX)
            packageInfo.longVersionCode
        } catch (e: PackageManager.NameNotFoundException) {
            e.printStackTrace()
            null
        }
    }

    private fun mainlineVersion(context: Context): String? {
        val moduleProvider = MAINLINE_PACKAGE

        return try {
            val pm = context.packageManager
            val packageInfo = pm.getPackageInfo(moduleProvider, 0)
            packageInfo.versionName
        } catch (e: PackageManager.NameNotFoundException) {
            null
        }
    }
}