BUILD - custom icon colors for debug app

build.gradle

@@ -136,6 +136,11 @@ android {
     }
 
     sourceSets {
+        // Debug-only resource overrides (e.g. the launcher icon colors), merged over res/
+        debug {
+            res.srcDirs = ['res_debug']
+        }
+
         main {
             res.srcDirs = ['res']
             java.srcDirs = ['src', 'src_plugins' /*, 'tests/shared', 'system_ext', 'tests/multivalentTests/shared', 'systemui_core/shared'*/]

res/drawable/ic_launcher_foreground.xml

@@ -14,11 +14,11 @@
     <!-- eye, left -->
     <path
         android:pathData="m230.1,535 l54.9,-57.1 227.2,188.5 -197,2.7z"
-        android:fillColor="#000000"/>
+        android:fillColor="@color/ic_launcher_eye"/>
     <!-- eye, right -->
     <path
         android:pathData="m794.4,535.2 l-54.9,-57.1 -227.2,188.5 197,2.7z"
-        android:fillColor="#000000"/>
+        android:fillColor="@color/ic_launcher_eye"/>
     <!-- eye highlight, right -->
     <path
         android:pathData="m727.2,558.1c-11.1,6.4 -22.1,13 -33.1,19.5 -3.3,1.9 -7.2,4.4 -6.5,8.9 0.4,13.4 -2.5,26.9 -9.6,38.3 -9.9,17.8 -41,31.4 -61,33.8l32,4.6 12.9,-6.5c8.6,-3.8 17.1,-7.9 24.6,-13.7 8.3,-6.4 15.4,-14.4 21.1,-23.1 11.8,-18.5 16.9,-40.2 19.5,-61.7z"

res/drawable/ic_launcher_legacy.xml

@@ -61,11 +61,11 @@
     <!-- eye, left -->
     <path
         android:pathData="m230.1,535 l54.9,-57.1 227.2,188.5 -197,2.7z"
-        android:fillColor="#000000"/>
+        android:fillColor="@color/ic_launcher_eye"/>
     <!-- eye, right -->
     <path
         android:pathData="m794.4,535.2 l-54.9,-57.1 -227.2,188.5 197,2.7z"
-        android:fillColor="#000000"/>
+        android:fillColor="@color/ic_launcher_eye"/>
     <!-- eye highlight, right -->
     <path
         android:pathData="m727.2,558.1c-11.1,6.4 -22.1,13 -33.1,19.5 -3.3,1.9 -7.2,4.4 -6.5,8.9 0.4,13.4 -2.5,26.9 -9.6,38.3 -9.9,17.8 -41,31.4 -61,33.8l32,4.6 12.9,-6.5c8.6,-3.8 17.1,-7.9 24.6,-13.7 8.3,-6.4 15.4,-14.4 21.1,-23.1 11.8,-18.5 16.9,-40.2 19.5,-61.7z"

res/values/ic_launcher.xml

@@ -3,6 +3,8 @@
     <!-- Background gradient, shared by ic_launcher_background and ic_launcher_legacy -->
     <color name="ic_launcher_gradient_start">#960EFC</color>
     <color name="ic_launcher_gradient_end">#FF804A</color>
+    <!-- Eyes, shared by ic_launcher_foreground and ic_launcher_legacy -->
+    <color name="ic_launcher_eye">#000000</color>
 
     <!-- Head outline plus brow and muzzle, shared by ic_launcher_foreground, ic_launcher_monochrome and ic_launcher_legacy -->
     <!-- See below for (commented) decoupled version -->

res_debug/values/ic_launcher.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Debug build only (see sourceSets in build.gradle): recolors the launcher icon so it's told apart
+     from the release one. Overrides the colors in res/values/ic_launcher.xml -->
+<resources>
+    <color name="ic_launcher_gradient_start">#1A1A2E</color>
+    <color name="ic_launcher_gradient_end">#4A4E69</color>
+    <color name="ic_launcher_eye">#4C000E</color>
+</resources>