MainActivity.kt
package com.cfsuman.jetpackcompose
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import androidx.activity.compose.setContent
import androidx.compose.foundation.ExperimentalFoundationApi
import androidx.compose.foundation.background
import androidx.compose.foundation.layout.*
import androidx.compose.foundation.lazy.GridCells
import androidx.compose.foundation.lazy.LazyVerticalGrid
import androidx.compose.foundation.lazy.items
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.material.Card
import androidx.compose.material.Text
import androidx.compose.runtime.Composable
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.text.font.FontWeight
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
class MainActivity : AppCompatActivity() {
@ExperimentalFoundationApi
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContent {
MainContent()
}
}
@ExperimentalFoundationApi
@Composable
fun MainContent(){
val list = (1..100).map { it.toString() }
LazyVerticalGrid(
cells = GridCells.Fixed(3),
modifier = Modifier
.background(Color(0xFFFAD6A5))
.wrapContentHeight()
.fillMaxWidth(),
// content padding
contentPadding = PaddingValues(
start = 12.dp,
top = 16.dp,
end = 12.dp,
bottom = 16.dp
)
) {
items(list){ txt ->
Card(
backgroundColor = Color(0xFFFF1493),
modifier = Modifier
.padding(4.dp)
.fillMaxWidth(),
elevation = 8.dp,
shape = RoundedCornerShape(16.dp)
) {
Text(
text = txt,
fontWeight = FontWeight.Bold,
fontSize = 30.sp,
color = Color(0xFFFFFFFF),
textAlign = TextAlign.Center,
modifier = Modifier.padding(16.dp)
)
}
}
}
}
@Preview
@Composable
fun ComposablePreview(){
//MainContent()
}
}
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