Merge "Allow flag-guarded Java optimizations for SystemUI"

packages/SystemUI/Android.bp

@@ -234,9 +234,36 @@ android_library {
     plugins: ["dagger2-compiler"],
 }
 
+soong_config_module_type_import {
+    from: "frameworks/base/services/Android.bp",
+    module_types: ["system_optimized_java_defaults"],
+}
+
+system_optimized_java_defaults {
+    name: "SystemUI_app_defaults",
+    soong_config_variables: {
+        SYSTEM_OPTIMIZE_JAVA: {
+            optimize: {
+                enabled: true,
+                optimize: true,
+                shrink: true,
+                proguard_flags_files: ["proguard.flags"],
+            },
+            conditions_default: {
+                optimize: {
+                    proguard_flags_files: ["proguard.flags"],
+                },
+            },
+        },
+    },
+}
+
 android_app {
     name: "SystemUI",
-    defaults: ["platform_app_defaults"],
+    defaults: [
+        "platform_app_defaults",
+        "SystemUI_app_defaults",
+    ],
     static_libs: [
         "SystemUI-core",
     ],
@@ -247,10 +274,6 @@ android_app {
     certificate: "platform",
     privileged: true,
 
-    optimize: {
-        proguard_flags_files: ["proguard.flags"],
-    },
-
     kotlincflags: ["-Xjvm-default=enable"],
 
     dxflags: ["--multi-dex"],

packages/SystemUI/proguard.flags

@@ -33,10 +33,14 @@
     *;
 }
 
--keep class com.android.systemui.dagger.GlobalRootComponent { *; }
--keep class com.android.systemui.dagger.GlobalRootComponent$SysUIComponentImpl { *; }
--keep class com.android.systemui.dagger.Dagger** { *; }
--keep class com.android.systemui.tv.Dagger** { *; }
+-keep,allowoptimization,allowaccessmodification class com.android.systemui.dagger.GlobalRootComponent { !synthetic *; }
+-keep,allowoptimization,allowaccessmodification class com.android.systemui.dagger.GlobalRootComponent$SysUIComponentImpl { !synthetic *; }
+-keep,allowoptimization,allowaccessmodification class com.android.systemui.dagger.Dagger** { !synthetic *; }
+-keep,allowoptimization,allowaccessmodification class com.android.systemui.tv.Dagger** { !synthetic *; }
+
+# Allows proguard to make private and protected methods and fields public as
+# part of optimization. This lets proguard inline trivial getter/setter methods.
+-allowaccessmodification
 
 # Removes runtime checks added through Kotlin to JVM code genereration to
 # avoid linear growth as more Kotlin code is converted / added to the codebase.