Meshtastic-Android/app/proguard-rules.pro

# ============================================================================
# Meshtastic Android — ProGuard / R8 rules for release minification
# ============================================================================
# Open-source project: obfuscation is disabled. We rely on tree-shaking and
# code optimization for APK size reduction.
# ============================================================================

# ---- General ----------------------------------------------------------------

# Preserve line numbers for meaningful crash stack traces
-keepattributes SourceFile,LineNumberTable

# Open-source — no need to obfuscate
-dontobfuscate

# Dump the full merged R8 configuration (app rules + all library consumer rules)
# for auditing. Inspect this file after a release build to see what libraries inject.
-printconfiguration build/outputs/mapping/r8-merged-config.txt

# ---- Networking (transitive references from Ktor) ---------------------------

-dontwarn org.conscrypt.**
-dontwarn org.bouncycastle.**
-dontwarn org.openjsse.**

# ---- Wire Protobuf ----------------------------------------------------------

# Wire-generated proto message classes (accessed via ADAPTER companion reflection)
-keep class org.meshtastic.proto.** { *; }

# ---- Room KMP (room3) ------------------------------------------------------

# Preserve generated database constructors (Room uses reflection to instantiate)
-keep class * extends androidx.room3.RoomDatabase { <init>(); }

# ---- Koin DI ----------------------------------------------------------------

# Prevent R8 from merging exception classes (observed as io.ktor.http.URLDecodeException
# replacing Koin's InstanceCreationException in stack traces, making crashes undiagnosable).
-keep class org.koin.core.error.** { *; }

# ---- Compose Runtime & Animation --------------------------------------------

# R8's optimization passes (bundled with AGP 9.x) can inline and dead-code-
# eliminate parts of the Compose frame-clock / recomposer / animation state
# machines, causing every animation to silently freeze on its first frame in
# release builds — indeterminate progress spinners, crossfade transitions,
# animateFloatAsState, AnimatedVisibility, etc.
#
# The frame clock lives in compose.runtime, the draw loop in compose.ui,
# and the animation drivers in compose.animation.core.  Keep all three so
# R8 does not break the chain.
-keep class androidx.compose.runtime.** { *; }
-keep class androidx.compose.ui.** { *; }
-keep class androidx.compose.animation.core.** { *; }
-keep class androidx.compose.animation.** { *; }

# ---- Compose Multiplatform --------------------------------------------------

# Keep resource library internals and generated Res accessor classes so R8 does
# not tree-shake the resource loading infrastructure. Without these rules the
# fdroid flavor crashes at startup with a misleading URLDecodeException due to
# R8 exception-class merging.
-keep class org.jetbrains.compose.resources.** { *; }
-keep class org.meshtastic.core.resources.** { *; }