From cbff31493539919ea9cea9da71b9890d7f21a2e1 Mon Sep 17 00:00:00 2001
From: Ash <83780687+ashnohe@users.noreply.github.com>
Date: Tue, 17 Dec 2024 00:11:59 -0800
Subject: [PATCH] add back in predictive back animations (#118)

* add back in predictive back animations

* spotless apply
---
 .../com/google/android/samples/socialite/ui/Main.kt  | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/app/src/main/java/com/google/android/samples/socialite/ui/Main.kt b/app/src/main/java/com/google/android/samples/socialite/ui/Main.kt
index 52c8c3b6..e25a81de 100644
--- a/app/src/main/java/com/google/android/samples/socialite/ui/Main.kt
+++ b/app/src/main/java/com/google/android/samples/socialite/ui/Main.kt
@@ -20,14 +20,17 @@ import android.app.Activity
 import android.content.Intent
 import android.content.pm.ActivityInfo
 import android.os.Bundle
+import androidx.compose.animation.EnterTransition
 import androidx.compose.animation.core.FastOutLinearInEasing
 import androidx.compose.animation.core.FastOutSlowInEasing
 import androidx.compose.animation.core.tween
 import androidx.compose.animation.fadeIn
 import androidx.compose.animation.fadeOut
+import androidx.compose.animation.scaleOut
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.TransformOrigin
 import androidx.compose.ui.platform.LocalContext
 import androidx.navigation.NavController
 import androidx.navigation.NavDestination
@@ -88,6 +91,15 @@ fun MainNavigation(
         NavHost(
             navController = navController,
             startDestination = Route.ChatsList,
+            popExitTransition = {
+                scaleOut(
+                    targetScale = 0.9f,
+                    transformOrigin = TransformOrigin(pivotFractionX = 0.5f, pivotFractionY = 0.5f),
+                )
+            },
+            popEnterTransition = {
+                EnterTransition.None
+            },
         ) {
             composable<Route.ChatsList> {
                 ChatList(