From 64733b2504f55d14000e1b321c13fcc736043b91 Mon Sep 17 00:00:00 2001
From: Charles Lombardo <clombardo169@gmail.com>
Date: Fri, 2 Dec 2022 22:12:33 -0500
Subject: [PATCH] Android: Use expanding Extended FAB

This adds text to the FAB when expanded and shrinks the FAB on scroll. The text will return when scrolling up as well.
---
 .../dolphinemu/dolphinemu/ui/main/MainActivity.java   | 11 +++++++++++
 .../org/dolphinemu/dolphinemu/utils/InsetsHelper.java |  4 ++--
 .../Android/app/src/main/res/layout/activity_main.xml |  5 +++--
 Source/Android/app/src/main/res/values/strings.xml    |  1 +
 4 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/main/MainActivity.java b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/main/MainActivity.java
index 2a0512e3ac..0e97ee2181 100644
--- a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/main/MainActivity.java
+++ b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/main/MainActivity.java
@@ -76,6 +76,17 @@ public final class MainActivity extends AppCompatActivity
 
     // Set up the FAB.
     mBinding.buttonAddDirectory.setOnClickListener(view -> mPresenter.onFabClick());
+    mBinding.appbarMain.addOnOffsetChangedListener((appBarLayout, verticalOffset) ->
+    {
+      if (verticalOffset == 0)
+      {
+        mBinding.buttonAddDirectory.extend();
+      }
+      else if (appBarLayout.getTotalScrollRange() == -verticalOffset)
+      {
+        mBinding.buttonAddDirectory.shrink();
+      }
+    });
 
     mPresenter.onCreate();
 
diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/InsetsHelper.java b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/InsetsHelper.java
index 7b98528667..311e16b10a 100644
--- a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/InsetsHelper.java
+++ b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/InsetsHelper.java
@@ -20,7 +20,7 @@ import androidx.viewpager.widget.ViewPager;
 
 import com.google.android.material.appbar.AppBarLayout;
 import com.google.android.material.color.MaterialColors;
-import com.google.android.material.floatingactionbutton.FloatingActionButton;
+import com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton;
 
 import org.dolphinemu.dolphinemu.R;
 
@@ -73,7 +73,7 @@ public class InsetsHelper
   }
 
   public static void setUpMainLayout(AppCompatActivity activity, AppBarLayout appBarLayout,
-          FloatingActionButton fab, ViewPager viewPager, View workaroundView)
+          ExtendedFloatingActionButton fab, ViewPager viewPager, View workaroundView)
   {
     ViewCompat.setOnApplyWindowInsetsListener(appBarLayout, (v, windowInsets) ->
     {
diff --git a/Source/Android/app/src/main/res/layout/activity_main.xml b/Source/Android/app/src/main/res/layout/activity_main.xml
index 645825062a..9ce601de0d 100644
--- a/Source/Android/app/src/main/res/layout/activity_main.xml
+++ b/Source/Android/app/src/main/res/layout/activity_main.xml
@@ -50,11 +50,12 @@
         android:clickable="true"
         android:background="@android:color/transparent" />
 
-    <com.google.android.material.floatingactionbutton.FloatingActionButton
+    <com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton
         android:id="@+id/button_add_directory"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:src="@drawable/ic_add"
+        android:text="@string/add_games"
+        app:icon="@drawable/ic_add"
         app:layout_anchor="@+id/pager_platforms"
         app:layout_anchorGravity="bottom|right|end" />
 
diff --git a/Source/Android/app/src/main/res/values/strings.xml b/Source/Android/app/src/main/res/values/strings.xml
index f35b5adb60..a39b0daf5e 100644
--- a/Source/Android/app/src/main/res/values/strings.xml
+++ b/Source/Android/app/src/main/res/values/strings.xml
@@ -440,6 +440,7 @@
     <string name="platform_gamecube">GameCube Games</string>
     <string name="platform_wii">Wii Games</string>
     <string name="platform_wiiware">WiiWare Games</string>
+    <string name="add_games">Add Games</string>
     <string name="add_directory_title">Add Folder to Library</string>
     <string name="grid_menu_settings">Settings</string>
     <string name="grid_menu_refresh">Refresh Library</string>