Enable minify optimizations for release builds (#1437)

## Description
Enables minify & resource shrinking for release builds. This should
improve overall performance a bit. It also decreases the apk size by
~15%.

Also updates AGP

### Related issues
N/A

### Testing
Emulator, but needs more testing before a final release

## Screenshots
N/A

## AI or LLM usage
None

.github/workflows/main.yml

@@ -75,6 +75,13 @@ jobs:
         run: |
           echo "SHA256 checksums:"
           find app/build/outputs/apk -name '*.apk' -print0 | xargs -0 sha256sum
+      - name: Upload mapping files
+        uses: actions/upload-artifact@v7
+        with:
+          name: mapping
+          path: |
+            app/build/outputs/**/mapping.txt
+          compression-level: 6
       - name: Delete ${{ env.TAG_NAME }} tag and release
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/release.yml

@@ -64,6 +64,13 @@ jobs:
           path: |
             app/build/outputs/bundle/**/*.aab
           compression-level: 0
+      - name: Upload mapping files
+        uses: actions/upload-artifact@v7
+        with:
+          name: mapping
+          path: |
+            app/build/outputs/**/mapping.txt
+          compression-level: 6
       - name: Create GitHub release
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

app/build.gradle.kts

@@ -82,7 +82,8 @@ configure<ApplicationExtension> {
 
     buildTypes {
         release {
-            isMinifyEnabled = false
+            isMinifyEnabled = true
+            isShrinkResources = true
             proguardFiles(
                 getDefaultProguardFile("proguard-android-optimize.txt"),
                 "proguard-rules.pro",
@@ -105,6 +106,7 @@ configure<ApplicationExtension> {
 
         debug {
             isMinifyEnabled = false
+            isShrinkResources = false
             isDebuggable = true
             applicationIdSuffix = ".debug"
         }

app/proguard-rules.pro

@@ -1,21 +1,10 @@
-# 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 SourceFile
+-keep class com.github.damontecres.wholphin.util.mpv.* { *; }
+
+-keep class * extends com.google.protobuf.GeneratedMessageLite { *; }
+-keepclassmembers class * extends com.google.protobuf.GeneratedMessageLite {
+  <fields>;
+  <methods>;
+}
+-dontwarn com.google.protobuf.**

gradle.properties

@@ -27,6 +27,7 @@ android.enableAppCompileTimeRClass=true
 android.usesSdkInManifest.disallowed=true
 android.uniquePackageNames=true
 android.dependency.useConstraints=false
+android.enableR8.fullMode=true
 android.r8.strictFullModeForKeepRules=true
 android.r8.optimizedResourceShrinking=true
 android.builtInKotlin=true

gradle/libs.versions.toml

@@ -1,7 +1,7 @@
 [versions]
 aboutLibraries = "14.2.0"
 acra = "5.13.1"
-agp = "9.1.1"
+agp = "9.2.1"
 auto-service = "1.1.1"
 autoServiceKsp = "1.2.0"
 desugar_jdk_libs = "2.1.5"