From 80d7cdd428c89cc4c1c6553bc6c0fc914d383d05 Mon Sep 17 00:00:00 2001
From: NekoInverter <chsqwyx@gmail.com>
Date: Thu, 14 Oct 2021 19:15:47 +0800
Subject: [PATCH] [app] Add collapsing toolbar to repo

---
 .../manager/ui/fragment/RepoFragment.java     |  3 -
 app/src/main/res/layout/fragment_repo.xml     | 59 +++++++++++--------
 .../res/layout/preference_recyclerview.xml    |  2 +-
 3 files changed, 35 insertions(+), 29 deletions(-)

diff --git a/app/src/main/java/org/lsposed/manager/ui/fragment/RepoFragment.java b/app/src/main/java/org/lsposed/manager/ui/fragment/RepoFragment.java
index d17892a3..0b4fe718 100644
--- a/app/src/main/java/org/lsposed/manager/ui/fragment/RepoFragment.java
+++ b/app/src/main/java/org/lsposed/manager/ui/fragment/RepoFragment.java
@@ -102,10 +102,7 @@ public class RepoFragment extends BaseFragment implements RepoLoader.Listener {
     @Override
     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
         binding = FragmentRepoBinding.inflate(getLayoutInflater(), container, false);
-        binding.getRoot().bringChildToFront(binding.appBar);
         setupToolbar(binding.toolbar, R.string.module_repo, R.menu.menu_repo);
-        binding.appBar.setLiftable(true);
-        binding.recyclerView.getBorderViewDelegate().setBorderVisibilityChangedListener((top, oldTop, bottom, oldBottom) -> binding.appBar.setLifted(!top));
         adapter = new RepoAdapter();
         adapter.setHasStableIds(true);
         binding.recyclerView.setAdapter(adapter);
diff --git a/app/src/main/res/layout/fragment_repo.xml b/app/src/main/res/layout/fragment_repo.xml
index 501f1eee..0cf347a6 100644
--- a/app/src/main/res/layout/fragment_repo.xml
+++ b/app/src/main/res/layout/fragment_repo.xml
@@ -33,36 +33,45 @@
         android:layout_height="wrap_content"
         android:fitsSystemWindows="true">
 
-        <com.google.android.material.appbar.MaterialToolbar
-            android:id="@+id/toolbar"
+        <com.google.android.material.appbar.CollapsingToolbarLayout
             android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:minHeight="?attr/actionBarSize"
-            android:elevation="0dp" />
+            android:layout_height="?attr/collapsingToolbarLayoutMediumSize"
+            app:layout_scrollFlags="scroll|exitUntilCollapsed|snap">
+
+            <com.google.android.material.appbar.MaterialToolbar
+                android:id="@+id/toolbar"
+                android:layout_width="match_parent"
+                android:layout_height="?attr/actionBarSize"
+                android:elevation="0dp"
+                app:layout_collapseMode="pin" />
+        </com.google.android.material.appbar.CollapsingToolbarLayout>
 
     </com.google.android.material.appbar.AppBarLayout>
 
-    <com.google.android.material.progressindicator.LinearProgressIndicator
-        android:id="@+id/progress"
+    <FrameLayout
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:indeterminate="true"
-        android:visibility="gone"
-        app:hideAnimationBehavior="outward"
-        android:layout_marginTop="?actionBarSize"
-        app:layout_fitsSystemWindowsInsets="top" />
+        app:layout_behavior="@string/appbar_scrolling_view_behavior">
 
-    <org.lsposed.manager.ui.widget.EmptyStateRecyclerView
-        android:id="@+id/recyclerView"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:clipToPadding="false"
-        android:paddingTop="?actionBarSize"
-        android:fadeScrollbars="true"
-        android:scrollbarStyle="insideOverlay"
-        android:scrollbars="vertical"
-        app:borderTopVisibility="whenTop"
-        app:borderTopDrawable="@null"
-        app:borderBottomVisibility="never"
-        app:fitsSystemWindowsInsets="top|bottom" />
+        <com.google.android.material.progressindicator.LinearProgressIndicator
+            android:id="@+id/progress"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:indeterminate="true"
+            android:visibility="gone"
+            app:hideAnimationBehavior="outward" />
+
+        <org.lsposed.manager.ui.widget.EmptyStateRecyclerView
+            android:id="@+id/recyclerView"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:clipToPadding="false"
+            android:fadeScrollbars="true"
+            android:scrollbarStyle="insideOverlay"
+            android:scrollbars="vertical"
+            app:borderTopVisibility="whenTop"
+            app:borderTopDrawable="@null"
+            app:borderBottomVisibility="never"
+            app:fitsSystemWindowsInsets="bottom" />
+    </FrameLayout>
 </androidx.coordinatorlayout.widget.CoordinatorLayout>
diff --git a/app/src/main/res/layout/preference_recyclerview.xml b/app/src/main/res/layout/preference_recyclerview.xml
index 7fedfc46..8da28f77 100644
--- a/app/src/main/res/layout/preference_recyclerview.xml
+++ b/app/src/main/res/layout/preference_recyclerview.xml
@@ -26,7 +26,7 @@
     android:layout_height="match_parent"
     android:clipToPadding="false"
     android:fadeScrollbars="true"
-    android:scrollbarStyle="outsideOverlay"
+    android:scrollbarStyle="insideOverlay"
     android:scrollbars="vertical"
     app:borderBottomVisibility="never"
     app:borderTopDrawable="@null"