From ba742f1597ab2517f9af84016ac4d29d0a7ecc82 Mon Sep 17 00:00:00 2001
From: xfy <i@rua.plus>
Date: Tue, 19 May 2026 07:42:29 +0800
Subject: [PATCH] =?UTF-8?q?build:=20=E5=90=AF=E7=94=A8=20R8=20=E5=8E=8B?=
 =?UTF-8?q?=E7=BC=A9=E4=B8=8E=E8=B5=84=E6=BA=90=E4=BC=98=E5=8C=96=EF=BC=8C?=
 =?UTF-8?q?=E6=B7=BB=E5=8A=A0=20ProGuard=20=E8=A7=84=E5=88=99?=
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- androidApp: 启用 isMinifyEnabled 和 isShrinkResources
- androidApp: ABI 过滤（arm64-v8a, armeabi-v7a），关闭 buildConfig
- gradle.properties: 启用并行构建、守护进程、R8 fullMode
- 新建 proguard-rules.pro 保留 KMP/Compose/kotlinx.datetime 规则

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
---
 androidApp/build.gradle.kts   | 21 +++++++++++++++++++++
 androidApp/proguard-rules.pro | 20 ++++++++++++++++++++
 gradle.properties             |  5 ++++-
 3 files changed, 45 insertions(+), 1 deletion(-)
 create mode 100644 androidApp/proguard-rules.pro

diff --git a/androidApp/build.gradle.kts b/androidApp/build.gradle.kts
index 5f63ce9..9635700 100644
--- a/androidApp/build.gradle.kts
+++ b/androidApp/build.gradle.kts
@@ -14,7 +14,28 @@ android {
         targetSdk = libs.versions.android.targetSdk.get().toInt()
         versionCode = 1
         versionName = "1.0"
+
+        ndk {
+            abiFilters += listOf("arm64-v8a", "armeabi-v7a")
+        }
     }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = true
+            isShrinkResources = true
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+            signingConfig = signingConfigs.getByName("debug")
+        }
+    }
+
+    buildFeatures {
+        buildConfig = false
+    }
+
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_17
         targetCompatibility = JavaVersion.VERSION_17
diff --git a/androidApp/proguard-rules.pro b/androidApp/proguard-rules.pro
new file mode 100644
index 0000000..540142c
--- /dev/null
+++ b/androidApp/proguard-rules.pro
@@ -0,0 +1,20 @@
+# Kotlin Metadata (required for KMP)
+-keep class kotlin.Metadata { *; }
+-keepattributes *Annotation*, Signature, InnerClasses, EnclosingMethod
+
+# kotlinx.datetime
+-keep class kotlinx.datetime.** { *; }
+
+# tyme4kt (Chinese traditional calendar)
+-keep class cn.tyme.** { *; }
+
+# Compose runtime reflective lookups
+-keep class androidx.compose.runtime.** { *; }
+
+# ViewModel (used by CalendarViewModel)
+-keep class * extends androidx.lifecycle.ViewModel { *; }
+
+# Keep entry point composables referenced by string name
+-keepclassmembers class * {
+    @androidx.compose.runtime.Composable <methods>;
+}
diff --git a/gradle.properties b/gradle.properties
index 9c2f0cf..4177846 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -6,11 +6,14 @@ kotlin.daemon.jvmargs=-Xmx3072M
 org.gradle.jvmargs=-Xmx4096M -Dfile.encoding=UTF-8
 org.gradle.configuration-cache=true
 org.gradle.caching=true
+org.gradle.parallel=true
+org.gradle.daemon=true
 
 #Android
 android.nonTransitiveRClass=true
 android.useAndroidX=true
 android.uniquePackageNames=false
 android.dependency.useConstraints=true
-android.r8.strictFullModeForKeepRules=false
+android.r8.strictFullModeForKeepRules=true
 android.generateSyncIssueWhenLibraryConstraintsAreEnabled=false
+android.enableR8.fullMode=true