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Forked from tkuenneth/MainActivity.kt
Created December 26, 2022 10:14
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How to display an adaptive icon in Jetpack Compose
package com.thomaskuenneth.sandbox
import android.graphics.Bitmap
import android.graphics.Canvas
import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.compose.foundation.Image
import androidx.compose.foundation.layout.*
import androidx.compose.material.MaterialTheme
import androidx.compose.material.Surface
import androidx.compose.material.Text
import androidx.compose.runtime.Composable
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.asImageBitmap
import androidx.compose.ui.platform.LocalContext
import androidx.compose.ui.unit.dp
import androidx.core.content.res.ResourcesCompat
import com.thomaskuenneth.sandbox.ui.theme.SandboxTheme
class MainActivity : ComponentActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContent {
SandboxTheme {
Surface(color = MaterialTheme.colors.background) {
Sandbox()
}
}
}
}
}
@Composable
fun Sandbox() {
ResourcesCompat.getDrawable(
LocalContext.current.resources,
R.mipmap.ic_launcher, LocalContext.current.theme
)?.let { drawable ->
val bitmap = Bitmap.createBitmap(
drawable.intrinsicWidth, drawable.intrinsicHeight,
Bitmap.Config.ARGB_8888
)
val canvas = Canvas(bitmap)
drawable.setBounds(0, 0, canvas.width, canvas.height)
drawable.draw(canvas)
Column(
modifier = Modifier
.fillMaxSize()
.padding(8.dp),
verticalArrangement = Arrangement.Center,
horizontalAlignment = Alignment.CenterHorizontally
) {
Image(
// painter = painterResource(R.mipmap.ic_launcher),
bitmap = bitmap.asImageBitmap(),
"An image",
modifier = Modifier.requiredSize(96.dp)
)
Text("Hello Image")
}
}
}
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