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.foundation.rememberScrollState
import androidx.compose.foundation.verticalScroll
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.text.font.FontWeight
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.sp
class MainActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContent {
GetScaffold()
}
}
@Composable
fun GetScaffold(){
Scaffold(
topBar = {TopAppBar(
title = {Text(
"Compose - Column Scrollable",
color = Color.White)},
backgroundColor = Color(0xFF333399)) },
content = {MainContent()},
backgroundColor = Color(0xFFEDEAE0)
)
}
@Composable
fun MainContent(){
val scrollState = rememberScrollState()
Column(
modifier = Modifier
.background(Color(0xFFDE5D83))
.fillMaxSize()
.padding(8.dp)
.verticalScroll(scrollState),
verticalArrangement = Arrangement.spacedBy(8.dp)
) {
repeat(200){ counter ->
Card(
backgroundColor = if(counter%2 == 0)
Color(0xFFACE5EE) else Color(0xFF89CFF0),
modifier = Modifier
.fillMaxWidth()
.height(125.dp)
){
Box(contentAlignment = Alignment.Center){
Text(
text = "Counter : ${counter+1}",
fontWeight = FontWeight.Bold,
fontSize = 24.sp
)
}
}
}
}
}
@Preview
@Composable
fun ComposablePreview(){
//GetScaffold()
}
}
- jetpack compose - TextField size
- jetpack compose - TextField error
- jetpack compose - TextField IME action done
- jetpack compose - Card click
- jetpack compose - Show toast message
- jetpack compose - Get context
- jetpack compose - Box alignment
- jetpack compose - Box elevation
- jetpack compose - Box vs Surface
- jetpack compose - Column center
- jetpack compose - Column background color
- jetpack compose - Column border
- jetpack compose - Column spacing
- jetpack compose - Row spacing
- jetpack compose - Row scrolling