From 1571e513b18447f92cd78d9dab4c86562161e518 Mon Sep 17 00:00:00 2001
From: Alexander Capehart <alex@oxycblt.org>
Date: Mon, 26 Sep 2022 12:34:05 -0600
Subject: [PATCH] info: add animated icon

Add an animated icon for the splash screen.

This is only possible due to the new stroke-based icon, and is just
nice eye candy without any downsides.
---
 .../res/drawable/ic_launcher_background.xml   | 11 +--
 .../res/drawable/ic_launcher_foreground.xml   |  1 +
 app/src/main/res/drawable/ic_splash_anim.xml  | 67 +++++++++++++++++++
 app/src/main/res/values-v31/styles_core.xml   |  4 ++
 app/src/main/res/values/styles_core.xml       |  5 +-
 5 files changed, 83 insertions(+), 5 deletions(-)
 create mode 100644 app/src/main/res/drawable/ic_splash_anim.xml

diff --git a/app/src/main/res/drawable/ic_launcher_background.xml b/app/src/main/res/drawable/ic_launcher_background.xml
index c0c966ee2..958fd1ba7 100644
--- a/app/src/main/res/drawable/ic_launcher_background.xml
+++ b/app/src/main/res/drawable/ic_launcher_background.xml
@@ -4,8 +4,11 @@
     android:height="108dp"
     android:viewportWidth="108"
     android:viewportHeight="108">
-    <path
-        android:fillColor="@color/fill_icon_bg"
-        android:pathData="M0 0h108v108H0z"
-        android:strokeColor="#00000000" />
+    <group
+        android:name="bg">
+        <path
+            android:fillColor="@color/fill_icon_bg"
+            android:pathData="M0 0h108v108H0z"
+            android:strokeColor="#00000000" />
+    </group>
 </vector>
diff --git a/app/src/main/res/drawable/ic_launcher_foreground.xml b/app/src/main/res/drawable/ic_launcher_foreground.xml
index 1b921bb38..972927637 100644
--- a/app/src/main/res/drawable/ic_launcher_foreground.xml
+++ b/app/src/main/res/drawable/ic_launcher_foreground.xml
@@ -10,6 +10,7 @@
         android:translateX="19.98"
         android:translateY="19.98">
         <path
+            android:name="note"
             android:fillColor="@android:color/transparent"
             android:pathData="M 13,4.0000207 17,8 M 12.999969,4.0004121 V 17.000315 m 0,-2.94e-4 -3.0000004,3 -2.9999997,-3 2.9999997,-3 M 7.021336,16.939069"
             android:strokeWidth="2"
diff --git a/app/src/main/res/drawable/ic_splash_anim.xml b/app/src/main/res/drawable/ic_splash_anim.xml
new file mode 100644
index 000000000..74568da64
--- /dev/null
+++ b/app/src/main/res/drawable/ic_splash_anim.xml
@@ -0,0 +1,67 @@
+<animated-vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt">
+    <aapt:attr name="android:drawable">
+        <vector
+            android:width="108dp"
+            android:height="108dp"
+            android:viewportWidth="108"
+            android:viewportHeight="108">
+            <group android:name="bg">
+                <path
+                    android:fillColor="@color/fill_icon_bg"
+                    android:pathData="M0 0h108v108H0z"
+                    android:strokeColor="#00000000" />
+            </group>
+            <group
+                android:scaleX="2.835"
+                android:scaleY="2.835"
+                android:translateX="19.98"
+                android:translateY="19.98">
+                <path
+                    android:name="note"
+                    android:fillColor="@android:color/transparent"
+                    android:pathData="M 13,4.0000207 17,8 M 12.999969,4.0004121 V 17.000315 m 0,-2.94e-4 -3.0000004,3 -2.9999997,-3 2.9999997,-3 M 7.021336,16.939069"
+                    android:strokeWidth="2"
+                    android:strokeColor="@android:color/white"
+                    android:strokeLineCap="round"
+                    android:strokeLineJoin="round" />
+            </group>
+        </vector>
+    </aapt:attr>
+    <target android:name="bg">
+        <aapt:attr name="android:animation">
+            <set>
+                <objectAnimator
+                    android:duration="1000"
+                    android:interpolator="@android:interpolator/fast_out_slow_in"
+                    android:propertyName="scaleX"
+                    android:startOffset="0"
+                    android:valueFrom="4"
+                    android:valueTo="1"
+                    android:valueType="floatType" />
+                <objectAnimator
+                    android:duration="1000"
+                    android:interpolator="@android:interpolator/fast_out_slow_in"
+                    android:propertyName="scaleY"
+                    android:startOffset="0"
+                    android:valueFrom="4"
+                    android:valueTo="1"
+                    android:valueType="floatType" />
+            </set>
+        </aapt:attr>
+    </target>
+    <target android:name="note">
+        <aapt:attr name="android:animation">
+            <set>
+                <objectAnimator
+                    android:duration="1000"
+                    android:interpolator="@android:interpolator/fast_out_slow_in"
+                    android:propertyName="strokeWidth"
+                    android:startOffset="0"
+                    android:valueFrom="0"
+                    android:valueTo="2"
+                    android:valueType="floatType" />
+            </set>
+        </aapt:attr>
+    </target>
+</animated-vector>
\ No newline at end of file
diff --git a/app/src/main/res/values-v31/styles_core.xml b/app/src/main/res/values-v31/styles_core.xml
index 219d52838..5e244ab3b 100644
--- a/app/src/main/res/values-v31/styles_core.xml
+++ b/app/src/main/res/values-v31/styles_core.xml
@@ -1,5 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
+    <style name="Theme.Auxio.V31" parent="Theme.Auxio.V29">
+        <item name="android:windowSplashScreenAnimatedIcon">@drawable/ic_splash_anim</item>
+    </style>
+
     <!-- Use dynamic colors since that's assumed to be the setting used. -->
     <style name="Theme.Auxio.App" parent="Theme.Auxio.Base" />
 
diff --git a/app/src/main/res/values/styles_core.xml b/app/src/main/res/values/styles_core.xml
index d22ba253f..60e7d3cc0 100644
--- a/app/src/main/res/values/styles_core.xml
+++ b/app/src/main/res/values/styles_core.xml
@@ -11,9 +11,12 @@
     </style>
     <!-- Adds fully transparent system bars -->
     <style name="Theme.Auxio.V29" parent="Theme.Auxio.V27" />
+    <!-- Adds an animated splash screen. -->
+    <style name="Theme.Auxio.V31" parent="Theme.Auxio.V29" />
 
     <!-- Base theme -->
-    <style name="Theme.Auxio.Base" parent="Theme.Auxio.V29">
+    <style name="Theme.Auxio.Base" parent="Theme.Auxio.V31">
+
         <!-- Material configuration -->
         <item name="colorOutline">@color/overlay_stroke</item>
         <item name="toolbarStyle">@style/Widget.Auxio.Toolbar</item>