Lowering default navAnim duration to 500ms

app/src/main/kotlin/androidx/navigation/compose/NavHost.kt

@@ -293,7 +293,7 @@ public fun NavHost(
 
         LaunchedEffect(backStackEntry) {
             try {
-                animatedFraction.animateTo(1f, animationSpec = tween(700, easing = LinearEasing)) {
+                animatedFraction.animateTo(1f, animationSpec = tween(500, easing = LinearEasing)) {
                     seekToFraction(transitionState.currentState, backStackEntry)
                 }
             } finally {

app/src/main/kotlin/com/hippo/ehviewer/ui/ConfigureActivity.kt

@@ -17,7 +17,6 @@ import com.hippo.ehviewer.ui.destinations.SignInScreenDestination
 import com.hippo.ehviewer.ui.tools.LocalWindowSizeClass
 import com.hippo.ehviewer.util.findActivity
 import com.ramcosta.composedestinations.DestinationsNavHost
-import com.ramcosta.composedestinations.animations.defaults.RootNavGraphDefaultAnimations
 import com.ramcosta.composedestinations.annotation.Destination
 import com.ramcosta.composedestinations.rememberNavHostEngine
 
@@ -35,7 +34,7 @@ class ConfigureActivity : EhActivity() {
                     } else {
                         BaseScreenDestination
                     },
-                    engine = rememberNavHostEngine(rootDefaultAnimations = RootNavGraphDefaultAnimations.ACCOMPANIST_FADING),
+                    engine = rememberNavHostEngine(rootDefaultAnimations = ehNavAnim),
                 )
             }
         }

app/src/main/kotlin/com/hippo/ehviewer/ui/MainActivity.kt

@@ -121,7 +121,6 @@ import com.hippo.ehviewer.util.addTextToClipboard
 import com.hippo.ehviewer.util.getParcelableExtraCompat
 import com.hippo.ehviewer.util.getUrlFromClipboard
 import com.ramcosta.composedestinations.DestinationsNavHost
-import com.ramcosta.composedestinations.animations.defaults.RootNavGraphDefaultAnimations
 import com.ramcosta.composedestinations.rememberNavHostEngine
 import com.ramcosta.composedestinations.utils.currentDestinationAsState
 import eu.kanade.tachiyomi.util.lang.launchUI
@@ -375,7 +374,7 @@ class MainActivity : EhActivity() {
                             DestinationsNavHost(
                                 navGraph = NavGraphs.root,
                                 startRoute = navItems[Settings.launchPage].first,
-                                engine = rememberNavHostEngine(rootDefaultAnimations = RootNavGraphDefaultAnimations.ACCOMPANIST_FADING),
+                                engine = rememberNavHostEngine(rootDefaultAnimations = ehNavAnim),
                                 navController = navController,
                             )
                         }

app/src/main/kotlin/com/hippo/ehviewer/ui/Theme.kt

@@ -2,6 +2,9 @@ package com.hippo.ehviewer.ui
 
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
+import androidx.compose.animation.core.tween
+import androidx.compose.animation.fadeIn
+import androidx.compose.animation.fadeOut
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.CompositionLocalProvider
 import androidx.compose.runtime.remember
@@ -9,6 +12,7 @@ import androidx.compose.ui.platform.ComposeView
 import com.google.accompanist.themeadapter.material3.Mdc3Theme
 import com.hippo.ehviewer.ui.tools.DialogState
 import com.hippo.ehviewer.ui.tools.LocalDialogState
+import com.ramcosta.composedestinations.animations.defaults.RootNavGraphDefaultAnimations
 
 // To make sure compose theme and legacy view theme are in sync, we only use Mdc3Theme
 
@@ -31,3 +35,10 @@ inline fun ComponentActivity.setMD3Content(crossinline content: @Composable () -
         }
     }
 }
+
+val ehNavAnim by lazy {
+    RootNavGraphDefaultAnimations(
+        enterTransition = { fadeIn(animationSpec = tween(500)) },
+        exitTransition = { fadeOut(animationSpec = tween(500)) },
+    )
+}