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| 1 | +package com.hoc081098.kotlin_playground.solivagant |
| 2 | + |
| 3 | +import androidx.compose.foundation.background |
| 4 | +import androidx.compose.foundation.layout.Box |
| 5 | +import androidx.compose.material3.Button |
| 6 | +import androidx.compose.material3.Text |
| 7 | +import androidx.compose.runtime.Composable |
| 8 | +import androidx.compose.runtime.Immutable |
| 9 | +import androidx.compose.runtime.remember |
| 10 | +import androidx.compose.ui.Alignment |
| 11 | +import androidx.compose.ui.graphics.Color |
| 12 | +import androidx.compose.ui.window.Window |
| 13 | +import androidx.compose.ui.window.application |
| 14 | +import com.hoc081098.solivagant.lifecycle.LocalLifecycleOwner |
| 15 | +import com.hoc081098.solivagant.navigation.ClearOnDispose |
| 16 | +import com.hoc081098.solivagant.navigation.NavEventNavigator |
| 17 | +import com.hoc081098.solivagant.navigation.NavHost |
| 18 | +import com.hoc081098.solivagant.navigation.NavRoot |
| 19 | +import com.hoc081098.solivagant.navigation.NavRoute |
| 20 | +import com.hoc081098.solivagant.navigation.ProvideCompositionLocals |
| 21 | +import com.hoc081098.solivagant.navigation.SavedStateSupport |
| 22 | +import com.hoc081098.solivagant.navigation.ScreenDestination |
| 23 | +import com.hoc081098.solivagant.navigation.rememberWindowLifecycleOwner |
| 24 | +import kotlinx.collections.immutable.persistentSetOf |
| 25 | + |
| 26 | +fun main() { |
| 27 | + val savedStateSupport = SavedStateSupport() |
| 28 | + |
| 29 | + application { |
| 30 | + savedStateSupport.ClearOnDispose() |
| 31 | + Window( |
| 32 | + onCloseRequest = ::exitApplication, |
| 33 | + title = "Solivagant", |
| 34 | + ) { |
| 35 | + val lifecycleOwner = checkNotNull(rememberWindowLifecycleOwner()) { "rememberWindowLifecycleOwner returns null" } |
| 36 | + savedStateSupport.ProvideCompositionLocals(LocalLifecycleOwner provides lifecycleOwner) { MyApp() } |
| 37 | + } |
| 38 | + } |
| 39 | +} |
| 40 | + |
| 41 | +val Navigator by lazy(LazyThreadSafetyMode.NONE) { NavEventNavigator() } |
| 42 | + |
| 43 | +@Composable |
| 44 | +fun MyApp() = |
| 45 | + NavHost( |
| 46 | + startRoute = FirstRoute, |
| 47 | + destinations = remember { |
| 48 | + persistentSetOf( |
| 49 | + FirstRouteDestination, |
| 50 | + SecondRouteDestination, |
| 51 | + ) |
| 52 | + }, |
| 53 | + navEventNavigator = Navigator, |
| 54 | + ) |
| 55 | + |
| 56 | +@Immutable |
| 57 | +data object FirstRoute : NavRoot |
| 58 | + |
| 59 | +val FirstRouteDestination = ScreenDestination<FirstRoute> { _, modifier -> |
| 60 | + Box( |
| 61 | + modifier = modifier.background(Color.Red.copy(alpha = 0.2f)), |
| 62 | + contentAlignment = Alignment.Center, |
| 63 | + ) { |
| 64 | + Button(onClick = { Navigator.navigateTo(SecondRoute) }) { |
| 65 | + Text("Go to second route") |
| 66 | + } |
| 67 | + } |
| 68 | +} |
| 69 | + |
| 70 | + |
| 71 | +@Immutable |
| 72 | +data object SecondRoute : NavRoute |
| 73 | + |
| 74 | +val SecondRouteDestination = ScreenDestination<SecondRoute> { _, modifier -> |
| 75 | + Box( |
| 76 | + modifier = modifier.background(Color.Green.copy(alpha = 0.2f)), |
| 77 | + contentAlignment = Alignment.Center, |
| 78 | + ) { |
| 79 | + Button(onClick = Navigator::navigateBack) { |
| 80 | + Text("Back to first route") |
| 81 | + } |
| 82 | + } |
| 83 | +} |
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