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add weird way of navigating to screens without having to pass navigation function paramter

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Helium314 2025-01-26 18:59:13 +01:00
parent c877e5e4bc
commit 85438ea33d
1 changed files with 20 additions and 0 deletions
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20
app/src/main/java/helium314/keyboard/settings/SettingsNavHost.kt
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@ -4,6 +4,7 @@ package helium314.keyboard.settings
import androidx.compose.animation.slideInHorizontally import androidx.compose.animation.slideInHorizontally
import androidx.compose.animation.slideOutHorizontally import androidx.compose.animation.slideOutHorizontally
import androidx.compose.runtime.Composable import androidx.compose.runtime.Composable
import androidx.compose.runtime.collectAsState
import androidx.compose.ui.platform.LocalLayoutDirection import androidx.compose.ui.platform.LocalLayoutDirection
import androidx.compose.ui.unit.LayoutDirection import androidx.compose.ui.unit.LayoutDirection
import androidx.navigation.compose.NavHost import androidx.navigation.compose.NavHost
@ -12,6 +13,11 @@ import androidx.navigation.compose.rememberNavController
import helium314.keyboard.settings.screens.AboutScreen import helium314.keyboard.settings.screens.AboutScreen
import helium314.keyboard.settings.screens.MainSettingsScreen import helium314.keyboard.settings.screens.MainSettingsScreen
import helium314.keyboard.settings.screens.TextCorrectionScreen import helium314.keyboard.settings.screens.TextCorrectionScreen
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.delay
import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.launch
@Composable @Composable
fun SettingsNavHost( fun SettingsNavHost(
@ -20,10 +26,13 @@ fun SettingsNavHost(
) { ) {
val navController = rememberNavController() val navController = rememberNavController()
val dir = if (LocalLayoutDirection.current == LayoutDirection.Ltr) 1 else -1 val dir = if (LocalLayoutDirection.current == LayoutDirection.Ltr) 1 else -1
val target = SettingsDestination.navTarget.collectAsState()
fun goBack() { fun goBack() {
if (!navController.popBackStack()) onClickBack() if (!navController.popBackStack()) onClickBack()
} }
if (target.value != SettingsDestination.Settings)
navController.navigate(route = target.value)
NavHost( NavHost(
navController = navController, navController = navController,
@ -57,4 +66,15 @@ object SettingsDestination {
const val Settings = "settings" const val Settings = "settings"
const val About = "about" const val About = "about"
const val TextCorrection = "text_correction" const val TextCorrection = "text_correction"
val navTarget = MutableStateFlow(Settings)
private val navScope = CoroutineScope(Dispatchers.Default)
fun navigateTo(target: String) {
if (navTarget.value == target) {
// triggers recompose twice, but that's ok as it's a rare event
navTarget.value = Settings
navScope.launch { delay(10); navTarget.value = target }
} else
navTarget.value = About
}
} }