Optimize apk size (#263)

app/build.gradle.kts

@@ -81,7 +81,8 @@ android {
         named("release") {
             isMinifyEnabled = true
             isShrinkResources = true
-            proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro")
+            signingConfig = signingConfigs.named("debug").get()
+            proguardFiles("proguard-rules.pro")
         }
         named("debug") {
             isMinifyEnabled = false
@@ -90,17 +91,36 @@ android {
     }
     applicationVariants.all {
         outputs.map { it as BaseVariantOutputImpl }.forEach { output ->
-            output.outputFileName = "LSPosedManager-${defaultConfig.versionName}-${defaultConfig.versionCode}-${buildType.name}.apk"
+            output.outputFileName = "LSPosedManager-${verName}-${verCode}-${buildType.name}.apk"
         }
     }
 }
 
-val optimizeReleaseResources = task("optimizeReleaseRes").doLast {
-    val aapt2 = Paths.get(project.android.sdkDirectory.path, "build-tools", project.android.buildToolsVersion, "aapt2")
-    val zip = Paths.get(project.buildDir.path, "intermediates", "processed_res", "release", "out", "resources-release.ap_")
+val optimizeReleaseRes = task("optimizeReleaseRes").doLast {
+    val aapt2 = Paths.get(
+        project.android.sdkDirectory.path,
+        "build-tools",
+        project.android.buildToolsVersion,
+        "aapt2"
+    )
+    val zip = Paths.get(
+        project.buildDir.path,
+        "intermediates",
+        "optimized_processed_res",
+        "release",
+        "resources-release-optimize.ap_"
+    )
     val optimized = File("${zip}.opt")
     val cmd = exec {
-        commandLine(aapt2, "optimize", "--collapse-resource-names", "-o", optimized, zip)
+        commandLine(
+            aapt2,
+            "optimize",
+            "--collapse-resource-names",
+            "--enable-sparse-encoding",
+            "-o",
+            optimized,
+            zip
+        )
         isIgnoreExitValue = false
     }
     if (cmd.exitValue == 0) {
@@ -110,8 +130,8 @@ val optimizeReleaseResources = task("optimizeReleaseRes").doLast {
 }
 
 tasks.whenTaskAdded {
-    if (name == "shrinkReleaseRes") {
-        finalizedBy(optimizeReleaseResources)
+    if (name == "optimizeReleaseResources") {
+        finalizedBy(optimizeReleaseRes)
     }
 }
 

app/proguard-rules.pro

@@ -1,28 +1,12 @@
-# Add project specific ProGuard rules here.
-# You can control the set of applied configuration files using the
-# proguardFiles setting in build.gradle.
-#
-# For more details, see
-#   http://developer.android.com/guide/developing/tools/proguard.html
-
-# If your project uses WebView with JS, uncomment the following
-# and specify the fully qualified class name to the JavaScript interface
-# class:
-#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
-#   public *;
-#}
-
-# Uncomment this to preserve the line number information for
-# debugging stack traces.
--keepattributes SourceFile,LineNumberTable
-
-# If you keep the line number information, uncomment this to
-# hide the original source file name.
--renamesourcefileattribute
 -keep class io.github.lsposed.manager.Constants { *; }
 -keepclasseswithmembers class io.github.lsposed.manager.receivers.LSPosedManagerServiceClient {
     private static android.os.IBinder binder;
 }
+
+-keepclassmembers class * implements android.os.Parcelable {
+    public static final ** CREATOR;
+}
+
 -assumenosideeffects class kotlin.jvm.internal.Intrinsics {
     public static void check*(...);
     public static void throw*(...);
@@ -31,3 +15,6 @@
     public static *** v(...);
     public static *** d(...);
 }
+
+-repackageclasses
+-allowaccessmodification

core/build.gradle.kts

@@ -120,7 +120,7 @@ android {
         }
         named("release") {
             isMinifyEnabled = true
-            proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro")
+            proguardFiles("proguard-rules.pro")
 
             externalNativeBuild {
                 cmake {

core/proguard-rules.pro

@@ -22,13 +22,16 @@
 
 -keep class de.robv.android.xposed.** {*;}
 -keep class android.** { *; }
+-keepclassmembers class * implements android.os.Parcelable {
+    public static final ** CREATOR;
+}
 -keepclasseswithmembers class io.github.lsposed.lspd.core.Main {
     public static void forkSystemServerPost(android.os.IBinder);
     public static void forkAndSpecializePost(java.lang.String, java.lang.String, android.os.IBinder);
     public static void main(java.lang.String[]);
 }
 -keepnames class io.github.lsposed.lspd.hooker.HandleBindAppHooker
--keepclasseswithmembers class io.github.lsposed.lspd.nativebridge.* {
+-keepclasseswithmembers,includedescriptorclasses class * {
     native <methods>;
 }
 -keepclasseswithmembers class io.github.lsposed.lspd.nativebridge.ClassLinker {
@@ -45,3 +48,5 @@
     public static *** v(...);
     public static *** d(...);
 }
+-repackageclasses
+-allowaccessmodification

manager-service/build.gradle.kts

@@ -41,7 +41,7 @@ android {
     buildTypes {
         named("release") {
             isMinifyEnabled = false
-            proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro")
+            proguardFiles("proguard-rules.pro")
         }
     }
 

manager-service/proguard-rules.pro

@@ -19,4 +19,7 @@
 # If you keep the line number information, uncomment this to
 # hide the original source file name.
 #-renamesourcefileattribute SourceFile
--keepclasseswithmembers class io.github.lsposed.lspd.Application { *; }
+-keepclasseswithmembers class io.github.lsposed.lspd.Application { *; }
+-keepclassmembers class * implements android.os.Parcelable {
+    public static final ** CREATOR;
+}