Phase 1 APK size: R8, fonts, dead assets (−8.30 MB universal)

.gitignore

@@ -127,3 +127,9 @@ yarn-error.log
 !.yarn/releases
 !.yarn/sdks
 !.yarn/versions
+
+# Local APK size analysis tooling (downloaded binaries)
+tools/bundletool*.jar
+tools/binaryen/
+
+docs/app-release*.apk

android/app/build.gradle

@@ -62,9 +62,11 @@ react {
 }
 
 /**
- * Set this to true to Run Proguard on Release builds to minify the Java bytecode.
+ * Set this to true to Run Proguard/R8 on Release builds to minify the Java bytecode.
+ * Keep rules live in proguard-rules.pro. Re-measure with scripts/analyzeApkSize.ts
+ * after flipping this; smoke-test all wallet types before shipping.
  */
-def enableProguardInReleaseBuilds = false
+def enableProguardInReleaseBuilds = true
 
 /**
  * The preferred build flavor of JavaScriptCore (JSC)
@@ -100,6 +102,11 @@ android {
 
         // Edge addition:
         multiDexEnabled true
+        // Keep only locales we ship strings for (see src/locales/strings).
+        // Drops the long tail of AndroidX / Play Services translated resources.
+        resourceConfigurations += [
+            'en', 'de', 'es', 'fr', 'it', 'ja', 'ko', 'pt', 'ru', 'vi', 'zh'
+        ]
         ndk {
             abiFilters 'armeabi-v7a', 'arm64-v8a' // Exclude Intel
         }
@@ -172,6 +179,7 @@ android {
             // see https://reactnative.dev/docs/signed-apk-android.
             signingConfig signingConfigs.release
             minifyEnabled enableProguardInReleaseBuilds
+            shrinkResources enableProguardInReleaseBuilds
             proguardFiles getDefaultProguardFile("proguard-android.txt"), "proguard-rules.pro"
         }
     }
@@ -252,7 +260,28 @@ if (hasProperty('storeFile')) {
     android.signingConfigs.release.keyPassword   = "password"
 }
 
-// Integrate react-native-vector-icons fonts
+// Integrate react-native-vector-icons fonts.
+// FontAwesome6_* is never imported from src/; omit it to save ~300 KB compressed.
+project.ext.vectoricons = [
+    iconFontNames: [
+        'AntDesign.ttf',
+        'Entypo.ttf',
+        'EvilIcons.ttf',
+        'Feather.ttf',
+        'FontAwesome.ttf',
+        'FontAwesome5_Brands.ttf',
+        'FontAwesome5_Regular.ttf',
+        'FontAwesome5_Solid.ttf',
+        'Fontisto.ttf',
+        'Foundation.ttf',
+        'Ionicons.ttf',
+        'MaterialCommunityIcons.ttf',
+        'MaterialIcons.ttf',
+        'Octicons.ttf',
+        'SimpleLineIcons.ttf',
+        'Zocial.ttf'
+    ]
+]
 apply from: "../../node_modules/react-native-vector-icons/fonts.gradle"
 
 import io.sentry.android.gradle.extensions.InstrumentationFeature

android/app/proguard-rules.pro

@@ -1,10 +1,79 @@
-# Add project specific ProGuard rules here.
-# By default, the flags in this file are appended to flags specified
-# in /usr/local/Cellar/android-sdk/24.3.3/tools/proguard/proguard-android.txt
-# You can edit the include path and order by changing the proguardFiles
-# directive in build.gradle.
-#
-# For more details, see
-#   http://developer.android.com/guide/developing/tools/proguard.html
-
-# Add any project specific keep options here:
+# Edge React GUI — R8 / ProGuard keep rules
+# Enabled when minifyEnabled=true in android/app/build.gradle.
+# These rules aim to keep reflection / JNI entry points used by React Native,
+# Hermes, Firebase, Sentry, and the Zcash / Pirate native SDKs.
+
+# ---- React Native / Hermes / JNI ----
+-keep,allowobfuscation @interface com.facebook.proguard.annotations.DoNotStrip
+-keep,allowobfuscation @interface com.facebook.proguard.annotations.KeepGettersAndSetters
+-keep @com.facebook.proguard.annotations.DoNotStrip class *
+-keepclassmembers class * {
+    @com.facebook.proguard.annotations.DoNotStrip *;
+}
+-keepclassmembers @com.facebook.proguard.annotations.KeepGettersAndSetters class * {
+    void set*(***);
+    *** get*();
+}
+-keep class * extends com.facebook.react.bridge.JavaScriptModule { *; }
+-keep class * extends com.facebook.react.bridge.NativeModule { *; }
+-keepclassmembers,includedescriptorclasses class * {
+    native <methods>;
+}
+-keepclassmembers class * { @com.facebook.react.uimanager.annotations.ReactProp <methods>; }
+-keepclassmembers class * { @com.facebook.react.uimanager.annotations.ReactPropGroup <methods>; }
+-keep class com.facebook.react.turbomodule.** { *; }
+-keep class com.facebook.hermes.unicode.** { *; }
+-keep class com.facebook.jni.** { *; }
+-keep class com.facebook.hermes.intl.** { *; }
+
+# ---- OkHttp / Okio (RN networking) ----
+-dontwarn okhttp3.**
+-dontwarn okio.**
+-keep class okhttp3.** { *; }
+-keep interface okhttp3.** { *; }
+
+# ---- Firebase / Google Play Services ----
+-keep class com.google.firebase.** { *; }
+-keep class com.google.android.gms.** { *; }
+-dontwarn com.google.firebase.**
+-dontwarn com.google.android.gms.**
+
+# ---- Sentry ----
+-keep class io.sentry.** { *; }
+-dontwarn io.sentry.**
+
+# ---- Zcash / Pirate protobuf + gRPC (reflection-heavy) ----
+-keep class cash.z.** { *; }
+-keep class co.electriccoin.** { *; }
+-keep class pirate.** { *; }
+-keep class com.google.protobuf.** { *; }
+-keep class io.grpc.** { *; }
+-dontwarn com.google.protobuf.**
+-dontwarn io.grpc.**
+-dontwarn com.google.common.**
+
+# ---- Guava (pulled by Zcash / work-runtime) ----
+-dontwarn com.google.common.**
+-keep class com.google.common.** { *; }
+
+# ---- Pirate SDK optional kotlinx.datetime refs (not on classpath) ----
+-dontwarn kotlinx.datetime.Clock$System
+-dontwarn kotlinx.datetime.Clock
+-dontwarn kotlinx.datetime.Instant
+
+# ---- Expo modules ----
+-keep class expo.modules.** { *; }
+-dontwarn expo.modules.**
+
+# ---- Vision Camera / ML Kit ----
+-keep class com.mrousavy.camera.** { *; }
+-keep class com.google.mlkit.** { *; }
+-dontwarn com.google.mlkit.**
+
+# ---- Reanimated / Gesture Handler ----
+-keep class com.swmansion.reanimated.** { *; }
+-keep class com.swmansion.gesturehandler.** { *; }
+
+# ---- Keep line numbers for crash reports ----
+-keepattributes SourceFile,LineNumberTable
+-renamesourcefileattribute SourceFile

docs/apkAccountbasedDupes.json

@@ -0,0 +1,138 @@
+{
+  "generatedAt": "2026-08-06T04:24:47.579Z",
+  "multiVersionCount": 153,
+  "interesting": [
+    {
+      "name": "@noble/hashes",
+      "versions": [
+        "1.3.1",
+        "1.3.2",
+        "1.6.0",
+        "1.6.1",
+        "1.7.1",
+        "1.8.0"
+      ]
+    },
+    {
+      "name": "@noble/curves",
+      "versions": [
+        "1.1.0",
+        "1.7.0",
+        "1.8.1",
+        "1.9.7"
+      ]
+    },
+    {
+      "name": "axios",
+      "versions": [
+        "0.18.1",
+        "0.21.4",
+        "0.26.1",
+        "1.13.5"
+      ]
+    },
+    {
+      "name": "readable-stream",
+      "versions": [
+        "2.3.7",
+        "2.3.8",
+        "3.6.2",
+        "4.7.0"
+      ]
+    },
+    {
+      "name": "bs58",
+      "versions": [
+        "4.0.1",
+        "5.0.0",
+        "6.0.0"
+      ]
+    },
+    {
+      "name": "@types/bn.js",
+      "versions": [
+        "4.11.6",
+        "5.1.5",
+        "5.2.0"
+      ]
+    },
+    {
+      "name": "secp256k1",
+      "versions": [
+        "3.5.2",
+        "4.0.3",
+        "5.0.0"
+      ]
+    },
+    {
+      "name": "protobufjs",
+      "versions": [
+        "6.11.4",
+        "7.2.6"
+      ]
+    },
+    {
+      "name": "@scure/bip32",
+      "versions": [
+        "1.3.1",
+        "1.6.0"
+      ]
+    },
+    {
+      "name": "@scure/bip39",
+      "versions": [
+        "1.2.1",
+        "1.5.0"
+      ]
+    },
+    {
+      "name": "bn.js",
+      "versions": [
+        "4.12.3",
+        "5.2.1"
+      ]
+    },
+    {
+      "name": "elliptic",
+      "versions": [
+        "6.5.4",
+        "6.6.1"
+      ]
+    },
+    {
+      "name": "safe-buffer",
+      "versions": [
+        "5.1.2",
+        "5.2.1"
+      ]
+    },
+    {
+      "name": "bs58check",
+      "versions": [
+        "2.1.2",
+        "3.0.1"
+      ]
+    },
+    {
+      "name": "bip32",
+      "versions": [
+        "2.0.6",
+        "4.0.0"
+      ]
+    },
+    {
+      "name": "typed-array-buffer",
+      "versions": [
+        "1.0.2",
+        "1.0.3"
+      ]
+    },
+    {
+      "name": "typedarray-to-buffer",
+      "versions": [
+        "3.1.5",
+        "4.0.0"
+      ]
+    }
+  ]
+}