From 0dd5663e9e61dfeca6527fb71aa0761a2e7ad734 Mon Sep 17 00:00:00 2001
From: Prathamesh More <prathameshmm02@gmail.com>
Date: Mon, 20 Dec 2021 16:42:49 +0530
Subject: [PATCH] Added fade in layout animation for DetailListFragment

---
 .../fragments/other/DetailListFragment.kt           | 13 +++++--------
 app/src/main/res/anim/layout_anim_fade.xml          |  5 +++++
 .../main/res/layout/fragment_playlist_detail.xml    |  1 +
 3 files changed, 11 insertions(+), 8 deletions(-)
 create mode 100644 app/src/main/res/anim/layout_anim_fade.xml

diff --git a/app/src/main/java/code/name/monkey/retromusic/fragments/other/DetailListFragment.kt b/app/src/main/java/code/name/monkey/retromusic/fragments/other/DetailListFragment.kt
index b28d903c0..14df3272c 100644
--- a/app/src/main/java/code/name/monkey/retromusic/fragments/other/DetailListFragment.kt
+++ b/app/src/main/java/code/name/monkey/retromusic/fragments/other/DetailListFragment.kt
@@ -64,14 +64,6 @@ class DetailListFragment : AbsMainActivityFragment(R.layout.fragment_playlist_de
                 returnTransition = MaterialSharedAxis(MaterialSharedAxis.Y, false)
             }
         }
-        binding.appBarLayout.statusBarForeground =
-            MaterialShapeDrawable.createWithElevationOverlay(requireContext())
-        postponeEnterTransition()
-        view.doOnPreDraw { startPostponedEnterTransition() }
-    }
-
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
         mainActivity.setSupportActionBar(binding.toolbar)
         binding.progressIndicator.hide()
         when (args.type) {
@@ -92,6 +84,10 @@ class DetailListFragment : AbsMainActivityFragment(R.layout.fragment_playlist_de
                 binding.recyclerView.updatePadding(bottom = height.toInt())
             }
         })
+        binding.appBarLayout.statusBarForeground =
+            MaterialShapeDrawable.createWithElevationOverlay(requireContext())
+        postponeEnterTransition()
+        view.doOnPreDraw { startPostponedEnterTransition() }
     }
 
     private fun lastAddedSongs() {
@@ -104,6 +100,7 @@ class DetailListFragment : AbsMainActivityFragment(R.layout.fragment_playlist_de
         binding.recyclerView.apply {
             adapter = songAdapter
             layoutManager = linearLayoutManager()
+            scheduleLayoutAnimation()
         }
         libraryViewModel.recentSongs().observe(viewLifecycleOwner, { songs ->
             songAdapter.swapDataSet(songs)
diff --git a/app/src/main/res/anim/layout_anim_fade.xml b/app/src/main/res/anim/layout_anim_fade.xml
new file mode 100644
index 000000000..ba154e91e
--- /dev/null
+++ b/app/src/main/res/anim/layout_anim_fade.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layoutAnimation xmlns:android="http://schemas.android.com/apk/res/android"
+    android:animation="@android:anim/fade_in"
+    android:animationOrder="normal"
+    android:delay="15%" />
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_playlist_detail.xml b/app/src/main/res/layout/fragment_playlist_detail.xml
index 2b6d68a26..ffaf5985d 100644
--- a/app/src/main/res/layout/fragment_playlist_detail.xml
+++ b/app/src/main/res/layout/fragment_playlist_detail.xml
@@ -37,6 +37,7 @@
         android:clipToPadding="false"
         android:overScrollMode="@integer/overScrollMode"
         android:scrollbars="none"
+        android:layoutAnimation="@anim/layout_anim_fade"
         app:layout_behavior="com.google.android.material.appbar.AppBarLayout$ScrollingViewBehavior" />
 
     <LinearLayout