T6

1.kt

package com.hryzx.interactionhandlingexample

import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.compose.animation.AnimatedVisibility
import androidx.compose.foundation.interaction.MutableInteractionSource
import androidx.compose.foundation.interaction.collectIsPressedAsState
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.size
import androidx.compose.material.icons.Icons
import androidx.compose.material.icons.filled.ShoppingCart
import androidx.compose.material3.Button
import androidx.compose.material3.ButtonDefaults
import androidx.compose.material3.Icon
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.Surface
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.runtime.getValue
import androidx.compose.runtime.remember
import androidx.compose.ui.Modifier
import androidx.compose.ui.tooling.preview.Preview
import com.hryzx.interactionhandlingexample.ui.theme.InteractionHandlingExampleTheme

class MainActivity : ComponentActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContent {
            InteractionHandlingExampleTheme {
                // A surface container using the 'background' color from the theme
                Surface(
                    modifier = Modifier.fillMaxSize(),
                    color = MaterialTheme.colorScheme.background
                ) {
                    PressIconButton(
                        onClick = {},
                        icon = { Icon(Icons.Filled.ShoppingCart, contentDescription = null) },
                        text = { Text("Add to cart") }
                    )
                }

            }
        }
    }
}

@Preview(showBackground = true)
@Composable
fun IHPreview() {
    InteractionHandlingExampleTheme {
        PressIconButton(
            onClick = {},
            icon = { Icon(Icons.Filled.ShoppingCart, contentDescription = null) },
            text = { Text("Add to cart") }
        )
    }
}

@Composable
fun PressIconButton(
    onClick: () -> Unit,
    icon: @Composable () -> Unit,
    text: @Composable () -> Unit,
    modifier: Modifier = Modifier,
    interactionSource: MutableInteractionSource = remember { MutableInteractionSource() },
) {
    val isPressed by interactionSource.collectIsPressedAsState()
    Button(onClick = onClick, modifier = modifier,
        interactionSource = interactionSource) {
        AnimatedVisibility(visible = isPressed) {
            if (isPressed) {
                Row {
                    icon()
                    Spacer(Modifier.size(ButtonDefaults.IconSpacing))
                }
            }
        }
    }
}

2.kt

import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.compose.foundation.layout.*
import androidx.compose.foundation.text.KeyboardActions
import androidx.compose.foundation.text.KeyboardOptions
import androidx.compose.material3.*
import androidx.compose.runtime.*
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.focus.FocusState
import androidx.compose.ui.platform.LocalDensity
import androidx.compose.ui.platform.LocalSoftwareKeyboardController
import androidx.compose.ui.unit.dp
import java.text.SimpleDateFormat
import java.util.*

class MainActivity : ComponentActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContent {
            AgeCalculatorApp()
        }
    }
}

3.kt

@Composable
fun AgeCalculatorApp() {
    var birthDate by remember { mutableStateOf("") }
    var age by remember { mutableStateOf("") }
    
    val keyboardController = LocalSoftwareKeyboardController.current
    val dateFormat = SimpleDateFormat("yyyy-MM-dd", Locale.US)

    Column(
        modifier = Modifier
            .fillMaxSize()
            .padding(16.dp),
        horizontalAlignment = Alignment.CenterHorizontally,
        verticalArrangement = Arrangement.Center
    ) {
        OutlinedTextField(
            value = birthDate,
            onValueChange = {
                birthDate = it
                calculateAge(dateFormat.parse(it))
            },
            label = { Text("Enter Birthdate (yyyy-MM-dd)") },
            keyboardOptions = KeyboardOptions.Default.copy(
                imeAction = ImeAction.Done
            ),
            keyboardActions = KeyboardActions(
                onDone = {
                    keyboardController?.hide()
                }
            ),
            singleLine = true,
            modifier = Modifier
                .fillMaxWidth()
        )

        Spacer(modifier = Modifier.height(16.dp))

        Text(
            text = "Age: $age",
            style = MaterialTheme.typography.h5
        )
    }
}

private fun calculateAge(birthDate: Date?) {
    if (birthDate != null) {
        val today = Calendar.getInstance().time
        val ageInMilliseconds = today.time - birthDate.time
        val ageInYears = ageInMilliseconds / (365.25 * 24 * 60 * 60 * 1000)
        age = String.format("%.2f", ageInYears)
    }
}