图像在Android Studio中显示，但不在设备中显示

我正在学习Kotlin和Jetpack的作曲，并按照https://developer.android.com/codelabs/basic-android-kotlin-compose-add-images的教程学习.背景图像显示在预览中，但当我在模拟器或物理设备上运行应用程序时，背景图像不显示.

以下是我的代码:

package com.example.happybirthday

import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.compose.foundation.Image
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.padding
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.Surface
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.layout.ContentScale
import androidx.compose.ui.res.painterResource
import androidx.compose.ui.text.style.TextAlign
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.sp
import com.example.happybirthday.ui.theme.HappyBirthdayTheme

class MainActivity : ComponentActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContent {
            HappyBirthdayTheme {
                // A surface container using the 'background' color from the theme
                Surface(
                    modifier = Modifier.fillMaxSize(),
                    color = MaterialTheme.colorScheme.background
                )
                {
                    GreetingText(
                        message = "Happy Birthday Sam!",
                        from = "From Emma"
                    )
                }
            }
        }
    }

    @Composable
    fun GreetingText(message: String, from: String, modifier: Modifier = Modifier) {
        Column(
            verticalArrangement = Arrangement.Center,
            modifier = modifier)
        {
            Text(
                text = message,
                fontSize = 50.sp,
                lineHeight = 60.sp,
                textAlign = TextAlign.Center
                )
            Text(
                text = from,
                fontSize = 24.sp,
                modifier = Modifier
                    .padding(16.dp)
                    .align(alignment = Alignment.End)

            )
        }
    }

    @Composable
    fun GreetingImage(message: String, from: String) {
        val image = painterResource(R.drawable.androidparty)
        Box (modifier = Modifier
            .fillMaxSize()) {
            Image(
                painter = image,
                contentDescription = null,
                contentScale = ContentScale.Crop,
                alpha = 0.5F
            )
            GreetingText(
                message = message,
                from = from,
                modifier = Modifier
                    .fillMaxSize()
                    .padding(8.dp)
            )
        }
    }


    @Preview(showBackground = true)
    @Composable
    fun BirthdayCardPreview() {
        HappyBirthdayTheme {
            GreetingImage(
                message = "Happy Birthday Sam!",
                from = "From Emma"
            )
        }
    }
}

有人能告诉我为什么图像不显示在设备上.