feat: add multi-architecture APK support for all Android platforms

app/build.gradle.kts

@@ -16,17 +16,31 @@ android {
         versionName = "1.0"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        
+        ndk {
+            abiFilters += listOf("arm64-v8a", "armeabi-v7a", "x86", "x86_64")
+        }
     }
 
     buildTypes {
         release {
-            isMinifyEnabled = false
+            isMinifyEnabled = true
+            isShrinkResources = true
             proguardFiles(
                 getDefaultProguardFile("proguard-android-optimize.txt"),
                 "proguard-rules.pro"
             )
         }
     }
+    
+    splits {
+        abi {
+            isEnable = true
+            reset()
+            include("arm64-v8a", "armeabi-v7a", "x86", "x86_64")
+            isUniversalApk = true
+        }
+    }
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_11
         targetCompatibility = JavaVersion.VERSION_11

app/proguard-rules.pro

@@ -1,21 +1,16 @@
-# 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
+-keepattributes SourceFile,LineNumberTable
+-renamesourcefileattribute SourceFile
 
-# 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 *;
-#}
+-keep class org.json.** { *; }
+-keep class org.osmdroid.** { *; }
+-keep class org.mapsforge.** { *; }
 
-# Uncomment this to preserve the line number information for
-# debugging stack traces.
-#-keepattributes SourceFile,LineNumberTable
+-keepclassmembers class * {
+    @androidx.compose.runtime.Composable <methods>;
+}
 
-# If you keep the line number information, uncomment this to
-# hide the original source file name.
-#-renamesourcefileattribute SourceFile
+-keep class androidx.compose.** { *; }
+-keep class kotlin.** { *; }
+
+-dontwarn org.osmdroid.**
+-dontwarn org.mapsforge.**