droid-it

@Composable
fun FixedLazyGrid() {
    val colors = remember {
        listOf(Color.Yellow, Color.LightGray, Color.Cyan)
    }
    LazyVerticalGrid(
        columns = GridCells.Fixed(5),
        content = {
        for (i in 0..20) {
            item {

droid-it

@Composable
fun FlowRowSample() {
    val colors = remember {
        listOf(Color.Yellow, Color.LightGray, Color.Cyan)
    }
    Box(modifier = Modifier.padding(4.dp)) {
        FlowRow {
            for (i in 0..10) {
                Box(
                    modifier = Modifier

droid-it

// gradle dependecies (app.gradle)
dependencies {
    implementation "androidx.compose.material3:material3:<latest_version>"
    implementation "androidx.compose.material3:material3-window-size-class:<latest_version>"
}


// Activity
class MainActivity : ComponentActivity() {

droid-it

@Composable
fun Timer() {
    val timerDuration = 5000L
    println("Composing Timer")
    LaunchedEffect(key1 = Unit, block = {
        startTimer(timerDuration) {
            println("Timer ended")
        }
    })
}

droid-it

@Composable
fun TimerScreen() {
    val scope = rememberCoroutineScope()
    Column {
        Button(onClick = {
            println("Timer started")
            scope.launch {
                try {
                    startTimer(5000) {
                      println("Timer ended")

droid-it

<?xml version="1.0" encoding="utf-8"?>

<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="240dp"
    android:padding="8dp">

    <android.support.constraint.Guideline

droid-it

<?xml version="1.0" encoding="utf-8"?>

<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:showIn="@layout/activity_main">

    <android.support.constraint.Guideline

droid-it

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="200dp"
    tools:context=".MainActivity">

    <android.support.constraint.Guideline
        android:id="@+id/titleTextViewGuideline"

droid-it

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:padding="16dp"
    tools:context=".MainActivity">

    <TextView