Minify App and fix App locale generation

Author: fatalcoder524

app/build.gradle

@@ -33,7 +33,10 @@ android {
     }
     buildTypes {
         release {
-            minifyEnabled false
+            minifyEnabled true
+            shrinkResources true
+            zipAlignEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
     }
     sourceSets {
@@ -42,6 +45,7 @@ android {
         }
     }
     buildFeatures {
+        compose true
         aidl true
     }
     compileOptions {
@@ -50,9 +54,8 @@ android {
     }
     kotlinOptions {
         jvmTarget = '17'
-    }
-    buildFeatures {
-        compose true
+        freeCompilerArgs += "-Xno-param-assertions"
+        freeCompilerArgs += "-Xno-call-assertions"
     }
     composeOptions {
         kotlinCompilerExtensionVersion libs.versions.compose.compiler.get()
@@ -64,10 +67,13 @@ android {
         jniLibs {
             useLegacyPackaging true
         }
-        androidResources {
-            generateLocaleConfig = true
+        dex {
+            useLegacyPackaging true
         }
     }
+    androidResources {
+        generateLocaleConfig = true
+    }
     namespace 'com.github.capntrips.kernelflasher'
 }
 

app/proguard-rules.pro

@@ -0,0 +1,55 @@
+# GENERAL
+-dontobfuscate
+-keepattributes Signature
+-keepattributes RuntimeVisibleAnnotations
+
+# ANDROID INTERFACES / AIDL
+-keep class com.github.capntrips.kernelflasher.FilesystemService
+-keep class * implements android.os.IInterface
+-keepclassmembers class * {
+    public static ** asInterface(android.os.IBinder);
+}
+
+# Prevent R8 from stripping native methods used via JNI
+-keepclasseswithmembernames class * {
+    native <methods>;
+}
+
+# Keep RootShell library (libsu)
+-keep class com.topjohnwu.superuser.** { *; }
+
+# RETROFIT2
+-keep interface com.github.capntrips.kernelflasher.GitHubApi { *; }
+-keep class retrofit2.** { *; }
+-dontwarn retrofit2.**
+
+# ============ GSON ============
+-keep class com.google.gson.** { *; }
+-keep class com.github.capntrips.kernelflasher.AppUpdater$* { *; }
+
+# Keep all fields/methods annotated with Gson's @SerializedName
+-keepclassmembers class * {
+    @com.google.gson.annotations.SerializedName <fields>;
+}
+
+# ============ KOTLIN ============
+-keep class kotlin.Metadata { *; }
+-keepattributes RuntimeVisibleAnnotations,RuntimeInvisibleAnnotations,RuntimeVisibleParameterAnnotations,RuntimeInvisibleParameterAnnotations,Exceptions,InnerClasses,EnclosingMethod,Signature,SourceFile,LineNumberTable,*Annotation*,Deprecated,SourceDir,CompilationID,LocalVariableTable,LocalVariableTypeTable,Module*
+-keepclassmembers class **.AppUpdater$GitHubRelease {
+    <fields>;
+}
+-keepclassmembers class **.AppUpdater$GitHubAsset {
+    <fields>;
+}
+
+# ============ COROUTINES ============
+-keepclassmembers class kotlinx.coroutines.BuildConfig { public static final boolean DEBUG; }
+-keep class kotlinx.** { *; }
+-dontwarn kotlinx.**
+
+# ============ DOWNLOAD MANAGER & BROADCAST RECEIVER ============
+-keep class com.github.capntrips.kernelflasher.AppUpdater { *; }
+-keepclassmembers class com.github.capntrips.kernelflasher.AppUpdater { *; }
+
+# Keep VectorDrawableCompat to avoid crashes or inflation errors
+-keep class androidx.vectordrawable.graphics.drawable.VectorDrawableCompat { *; }