benigumocom

package com.example.samplenavigation3

import androidx.compose.foundation.clickable
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.text.KeyboardActions
import androidx.compose.foundation.text.KeyboardOptions

benigumocom

@Composable
fun <T : NavKey> rememberNavBackStacks(
  tabRoots: List<T>
): SnapshotStateMap<T, NavBackStack<NavKey>> { 
  return rememberSaveable(
    inputs = arrayOf(tabRoots),
    saver = Saver<SnapshotStateMap<T, NavBackStack<NavKey>>, List<Pair<T, NavBackStack<NavKey>>>>(
      save = { map -> map.toList() },
      restore = { restored ->
        mutableStateMapOf<T, NavBackStack<NavKey>>().apply {

benigumocom

// package com.example.project

import androidx.compose.runtime.Composable
import androidx.compose.runtime.MutableState
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.saveable.rememberSerializable
import androidx.compose.runtime.setValue
import androidx.compose.runtime.snapshots.SnapshotStateList

benigumocom

@Serializable
sealed interface AppDestination {
    val label: String
    @get:DrawableRes val iconRes: Int
}

@Serializable
data object HomeDestination : AppDestination {
    override val label = "Home"; override val iconRes = R.drawable.ic_home
}

benigumocom

@Serializable
sealed interface AppDestination {
    val label: String
    @get:DrawableRes val iconRes: Int

    @Serializable
    data object Home : AppDestination {
        override val label = "Home"
        override val iconRes = R.drawable.ic_home
    }

benigumocom

// ==========================================================
// 【DEFINITION AREA】 
// Must be defined at the TOP-LEVEL (Outside of any @Composable)
// ==========================================================

// A. object: A global, immutable box (Constants)
object AppDesignConfig {
    val BrandColor = Color(0xFF6200EE) // Fixed brand color
    val CornerRadius = 12.dp
}

benigumocom

@Composable
fun AnalyticsScreen(screenName: String) {
    var startTime by remember { mutableLongStateOf(0L) }

    ScreenLifecycleObserver { event ->
        when (event) {
            Lifecycle.Event.ON_RESUME -> startTime = System.currentTimeMillis()
            Lifecycle.Event.ON_PAUSE -> {
                val duration = System.currentTimeMillis() - startTime
                Analytics.sendScreenTime(screenName, duration)

benigumocom

// No ViewModel

@Composable
fun UiOnlySample() {
    val context = LocalContext.current

    Button(onClick = {
        Toast.makeText(context, "Clicked!", Toast.LENGTH_SHORT).show()
    }) {
        Text("Click")

benigumocom

private val Context.density: Float
    get() = resources.displayMetrics.density

private val Context.scale: Float
    get() = resources.displayMetrics.scaledDensity
    

/* ----- dp(Dp) → px(Float) ----- */
fun Context.dpToPx(dp: Dp): Float =
    dp.value * density

benigumocom

object TestEnvironmentChecker {

  /**
   * Firebase Test Lab またはテスト環境で実行されているかを推定
   */
  fun isRunningInTestLab(context: Context): Boolean {
      return when {
          isFirebaseTestLab(context) -> {
              Log.d("EnvCheck", "Detected: Firebase Test Lab via system setting")
              true