fix(android): address Google Play automated review recommendations

Android/app/proguard-rules.pro

@@ -1,31 +1,20 @@
--keeppackagenames **
+# Skip framework packages must be kept verbatim — JNI looks them up by name.
+-keeppackagenames maxi80.**
+-keeppackagenames skip.**
+-keeppackagenames tools.skip.**
 -keep class skip.** { *; }
 -keep class tools.skip.** { *; }
--keep class kotlin.jvm.functions.** {*;}
+-keep class kotlin.jvm.functions.** { *; }
 -keep class com.sun.jna.** { *; }
 -dontwarn java.awt.**
 -keep class * implements com.sun.jna.** { *; }
 -keep class * implements skip.bridge.** { *; }
 -keep class **._ModuleBundleAccessor_* { *; }
 -keep class maxi80.module.** { *; }
-# Transpiled Maxi80Services classes are reached only via JNI-by-name from the native
-# Swift bridge (e.g. PlatformEnvironment), so R8 can't see the reference and would
-# strip/rename them — causing ClassNotFoundException at launch in minified builds.
+# Transpiled Maxi80Services classes are reached only via JNI-by-name from the native Swift bridge.
 -keep class maxi80.services.** { *; }
 
-# Media3 (ExoPlayer) surface used by the now-playing writeback. The phone playback path drives
-# the notification metadata through the Skip JNI-by-name bridge:
-# AndroidNowPlayingController.platformUpdateNowPlaying → player.getCurrentMediaItem /
-# getCurrentMediaItemIndex / replaceMediaItem, rendered by DefaultMediaNotificationProvider from
-# MediaItem.getMediaMetadata(). R8 can't see those by-name references in a minified release build
-# and could strip/rename them, leaving the initial metadata stuck — matching issue #13.
-#
-# Deliberately broad (whole `androidx.media3.**`, not just `.common.**`) rather than relying on
-# Media3's own consumer ProGuard rules: the by-name bridge reflects on the CONCRETE runtime type
-# returned by SharedAudioPlayer.shared() — an ExoPlayer whose implementation lives in
-# `androidx.media3.exoplayer` (ExoPlayerImpl), not `androidx.media3.common`. Scoping the keep to
-# `.common.**` would leave the actually-reflected methods (getCurrentMediaItem / replaceMediaItem /
-# getCurrentMediaItemIndex) on the impl class renamable, reintroducing the R8-strips-JNI-bridged-
-# class crash. The keep is chosen over Media3's consumer rules for that reason.
--keep class androidx.media3.** { *; }
+# ExoPlayerImpl is the concrete class the JNI bridge receives from SharedAudioPlayer.shared().
+# Media3's own consumer ProGuard rules keep the rest of the public API.
+-keep class androidx.media3.exoplayer.ExoPlayerImpl { *; }
 -dontwarn androidx.media3.**

Android/app/src/main/res/values-v35/themes.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Android 15 (API 35) enforces edge-to-edge by default. We call enableEdgeToEdge()
+         in MainActivity.onCreate() and set transparent bar styles via SyncSystemBarsWithTheme(),
+         so we opt in explicitly here rather than relying on the platform default. -->
+    <style name="Theme.Maxi80" parent="Theme.AppCompat.DayNight.NoActionBar">
+        <item name="android:windowBackground">@android:color/black</item>
+        <item name="android:windowSplashScreenBackground">@android:color/black</item>
+        <item name="android:windowOptOutEdgeToEdgeEnforcement">false</item>
+    </style>
+</resources>

Sources/Maxi80Services/Skip/skip.yml

@@ -11,5 +11,5 @@ build:
         - 'implementation("androidx.media3:media3-extractor:1.9.4")'
         # Supplies androidx.core.app.NotificationCompat, used by Maxi80MediaService to build the
         # MediaStyle foreground/lock-screen notification. Not pulled in transitively by media3.
-        - 'implementation("androidx.core:core-ktx:1.15.0")'
+        - 'implementation("androidx.core:core-ktx:1.16.0")'
         - 'implementation("com.google.guava:guava:31.1-android")'