From e4eeb2d4afd5ebb019f7304566f96dea60e57c86 Mon Sep 17 00:00:00 2001
From: Thomas Andres Gomez <thomas.andres.gomez@gmail.com>
Date: Sat, 8 May 2021 22:18:08 +0200
Subject: [PATCH] Change screen transition for Main.

---
 .../java/com/pixelized/biblib/ui/MainActivity.kt   | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/com/pixelized/biblib/ui/MainActivity.kt b/app/src/main/java/com/pixelized/biblib/ui/MainActivity.kt
index 87b91a5..419e5af 100644
--- a/app/src/main/java/com/pixelized/biblib/ui/MainActivity.kt
+++ b/app/src/main/java/com/pixelized/biblib/ui/MainActivity.kt
@@ -4,7 +4,10 @@ import android.os.Bundle
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
 import androidx.activity.viewModels
+import androidx.compose.animation.AnimatedVisibility
 import androidx.compose.animation.Crossfade
+import androidx.compose.animation.ExperimentalAnimationApi
+import androidx.compose.animation.slideInHorizontally
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.livedata.observeAsState
@@ -13,8 +16,8 @@ import com.pixelized.biblib.ui.composable.screen.LoginScreenComposable
 import com.pixelized.biblib.ui.composable.screen.MainScreenComposable
 import com.pixelized.biblib.ui.composable.screen.SplashScreenComposable
 import com.pixelized.biblib.ui.theme.BibLibTheme
-import com.pixelized.biblib.ui.viewmodel.navigation.NavigationViewModel
 import com.pixelized.biblib.ui.viewmodel.navigation.INavigation.Screen
+import com.pixelized.biblib.ui.viewmodel.navigation.NavigationViewModel
 
 class MainActivity : ComponentActivity() {
     private val navigationViewModel: NavigationViewModel by viewModels()
@@ -36,6 +39,7 @@ class MainActivity : ComponentActivity() {
     }
 }
 
+@OptIn(ExperimentalAnimationApi::class)
 @Composable
 fun ContentComposable() {
     val navigationViewModel = viewModel<NavigationViewModel>()
@@ -45,7 +49,13 @@ fun ContentComposable() {
         when (it) {
             is Screen.SplashScreen -> SplashScreenComposable()
             is Screen.LoginScreen -> LoginScreenComposable()
-            is Screen.MainScreen -> MainScreenComposable()
+            is Screen.MainScreen -> AnimatedVisibility(
+                visible = true,
+                initiallyVisible = false,
+                enter = slideInHorizontally(initialOffsetX = { width -> width / 2 })
+            ) {
+                MainScreenComposable()
+            }
         }
     }
 }