Theme-colored app icon and splash, new font, tuning of auth splash screen

android/app/src/main/AndroidManifest.xml

@@ -16,19 +16,14 @@
         android:usesCleartextTraffic="true"
         android:supportsRtl="true"        
     >
-    <activity 
-        android:name=".MainActivity" 
-        android:label="@string/app_name" 
-        android:configChanges="keyboard|keyboardHidden|orientation|screenLayout|screenSize|smallestScreenSize|uiMode" 
-        android:launchMode="singleTask" 
-        android:windowSoftInputMode="adjustResize" 
+    <activity
+        android:name=".MainActivity"
+        android:label="@string/app_name"
+        android:configChanges="keyboard|keyboardHidden|orientation|screenLayout|screenSize|smallestScreenSize|uiMode"
+        android:launchMode="singleTask"
+        android:windowSoftInputMode="adjustResize"
         android:exported="true">
-        <intent-filter>
-            <action android:name="android.intent.action.MAIN"/>
-            <category android:name="android.intent.category.LAUNCHER"/>
-            <category android:name="android.intent.category.DEFAULT" />
-        </intent-filter>
-        
+
         <intent-filter>
             <action android:name="android.intent.action.VIEW" />
             <category android:name="android.intent.category.BROWSABLE" />
@@ -56,8 +51,38 @@
             <category android:name="android.intent.category.DEFAULT" />
             <data android:scheme="cashu" />
         </intent-filter>
-        
+
     </activity>
+
+    <!-- Default launcher icon alias (enabled by default) -->
+    <activity-alias
+        android:name=".MainActivityDefault"
+        android:label="@string/app_name"
+        android:icon="@mipmap/ic_launcher"
+        android:targetActivity=".MainActivity"
+        android:enabled="true"
+        android:exported="true">
+        <intent-filter>
+            <action android:name="android.intent.action.MAIN"/>
+            <category android:name="android.intent.category.LAUNCHER"/>
+            <category android:name="android.intent.category.DEFAULT"/>
+        </intent-filter>
+    </activity-alias>
+
+    <!-- Golden theme launcher icon alias (disabled by default) -->
+    <activity-alias
+        android:name=".MainActivityGolden"
+        android:label="@string/app_name"
+        android:icon="@mipmap/ic_launcher_golden"
+        android:targetActivity=".MainActivity"
+        android:enabled="false"
+        android:exported="true">
+        <intent-filter>
+            <action android:name="android.intent.action.MAIN"/>
+            <category android:name="android.intent.category.LAUNCHER"/>
+            <category android:name="android.intent.category.DEFAULT"/>
+        </intent-filter>
+    </activity-alias>
     <service
         android:name="com.reactnativehce.services.CardService"
         android:exported="true"

android/app/src/main/res/values/styles.xml

@@ -4,6 +4,10 @@
     <style name="AppTheme" parent="Theme.AppCompat.DayNight.NoActionBar">
         <!-- Customize your theme here. -->
         <item name="android:editTextBackground">@drawable/rn_edit_text_material</item>
+        <!-- Fixed dark window background shown before React Native renders its first frame.
+             Matches the dark app themes (DEFAULT/DARK/GOLDEN). For LIGHT theme, the JS
+             splash view overrides this immediately on first render. -->
+        <item name="android:windowBackground">#2e2e2e</item>
     </style>
 
 </resources>

android/link-assets-manifest.json

@@ -2,8 +2,8 @@
   "migIndex": 1,
   "data": [
     {
-      "path": "assets/fonts/Gluten-Regular.ttf",
-      "sha1": "96270757924e60e26763e8814aaa2000f470d352"
+      "path": "assets/fonts/HammersmithOne-Regular.ttf",
+      "sha1": "132e0c6ad83dff514d1f6d2719aae6c90255d92f"
     },
     {
       "path": "assets/icons/nostr.png",

ios/Podfile.lock

@@ -1434,6 +1434,8 @@ PODS:
     - React-RCTFBReactNativeSpec
     - ReactCommon/turbomodule/core
     - ReactNativeDependencies
+  - react-native-change-icon (3.2.0):
+    - React
   - react-native-hce (0.3.0):
     - React
   - react-native-mmkv (3.3.3):
@@ -2444,6 +2446,7 @@ DEPENDENCIES:
   - React-logger (from `../node_modules/react-native/ReactCommon/logger`)
   - React-Mapbuffer (from `../node_modules/react-native/ReactCommon`)
   - React-microtasksnativemodule (from `../node_modules/react-native/ReactCommon/react/nativemodule/microtasks`)
+  - react-native-change-icon (from `../node_modules/react-native-change-icon`)
   - react-native-hce (from `../node_modules/react-native-hce`)
   - react-native-mmkv (from `../node_modules/react-native-mmkv`)
   - "react-native-netinfo (from `../node_modules/@react-native-community/netinfo`)"
@@ -2614,6 +2617,8 @@ EXTERNAL SOURCES:
     :path: "../node_modules/react-native/ReactCommon"
   React-microtasksnativemodule:
     :path: "../node_modules/react-native/ReactCommon/react/nativemodule/microtasks"
+  react-native-change-icon:
+    :path: "../node_modules/react-native-change-icon"
   react-native-hce:
     :path: "../node_modules/react-native-hce"
   react-native-mmkv:
@@ -2790,6 +2795,7 @@ SPEC CHECKSUMS:
   React-logger: dd3e5f78709d5b029336be395a67bbcdc775e2ed
   React-Mapbuffer: 2bdeed9ba58c94ac99a2711a3a722d2d5b3a8a81
   React-microtasksnativemodule: d1acdc86b1b2ee5622af4950f3908f2155eddfcf
+  react-native-change-icon: af3d0eb3ffee2ab3c584d12a68c29f89b7108cf8
   react-native-hce: ad5462e792d84e87924308dda1ee516757f1c0eb
   react-native-mmkv: 07f0ae0bd7e8d458077e1750c502ba67975b3702
   react-native-netinfo: cec9c4e86083cb5b6aba0e0711f563e2fbbff187

ios/link-assets-manifest.json

@@ -2,8 +2,8 @@
   "migIndex": 1,
   "data": [
     {
-      "path": "assets/fonts/Gluten-Regular.ttf",
-      "sha1": "96270757924e60e26763e8814aaa2000f470d352"
+      "path": "assets/fonts/HammersmithOne-Regular.ttf",
+      "sha1": "132e0c6ad83dff514d1f6d2719aae6c90255d92f"
     },
     {
       "path": "assets/icons/nostr.png",

ios/minibits_wallet.xcodeproj/project.pbxproj

@@ -13,7 +13,7 @@
 		902F38392D92C792005DB998 /* OpenSSL.xcframework in Frameworks */ = {isa = PBXBuildFile; fileRef = 902F38382D92C792005DB998 /* OpenSSL.xcframework */; };
 		9044DC252D95937D00F918A6 /* GoogleService-Info.plist in Resources */ = {isa = PBXBuildFile; fileRef = 9044DC242D95937D00F918A6 /* GoogleService-Info.plist */; };
 		A1B9A6F7058C4F12AB677FD4 /* nostr.png in Resources */ = {isa = PBXBuildFile; fileRef = AB8A46AD84194C2583FF9193 /* nostr.png */; };
-		C3AB98FDBCF446F99A4EA648 /* Gluten-Regular.ttf in Resources */ = {isa = PBXBuildFile; fileRef = 6DA8A3418B7A4B348B67B9E7 /* Gluten-Regular.ttf */; };
+		A2E4F8C1D3B547A890123456 /* HammersmithOne-Regular.ttf in Resources */ = {isa = PBXBuildFile; fileRef = B3D7A2E5F1C648B9A0234567 /* HammersmithOne-Regular.ttf */; };
 		CD7DC745CFA9F47C2D6FFA1D /* Pods_minibits_wallet.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 4ACC08249CA13DFDBBBD7A8B /* Pods_minibits_wallet.framework */; };
 		D610B97F2318E8AB9D0962D2 /* PrivacyInfo.xcprivacy in Resources */ = {isa = PBXBuildFile; fileRef = 13B07FB81A68108700A75B9A /* PrivacyInfo.xcprivacy */; };
 /* End PBXBuildFile section */
@@ -26,7 +26,7 @@
 		3B4392A12AC88292D35C810B /* Pods-minibits_wallet.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-minibits_wallet.debug.xcconfig"; path = "Target Support Files/Pods-minibits_wallet/Pods-minibits_wallet.debug.xcconfig"; sourceTree = "<group>"; };
 		4ACC08249CA13DFDBBBD7A8B /* Pods_minibits_wallet.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_minibits_wallet.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		5709B34CF0A7D63546082F79 /* Pods-minibits_wallet.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-minibits_wallet.release.xcconfig"; path = "Target Support Files/Pods-minibits_wallet/Pods-minibits_wallet.release.xcconfig"; sourceTree = "<group>"; };
-		6DA8A3418B7A4B348B67B9E7 /* Gluten-Regular.ttf */ = {isa = PBXFileReference; explicitFileType = undefined; fileEncoding = 9; includeInIndex = 0; lastKnownFileType = unknown; name = "Gluten-Regular.ttf"; path = "../assets/fonts/Gluten-Regular.ttf"; sourceTree = "<group>"; };
+		B3D7A2E5F1C648B9A0234567 /* HammersmithOne-Regular.ttf */ = {isa = PBXFileReference; explicitFileType = undefined; fileEncoding = 9; includeInIndex = 0; lastKnownFileType = unknown; name = "HammersmithOne-Regular.ttf"; path = "../assets/fonts/HammersmithOne-Regular.ttf"; sourceTree = "<group>"; };
 		761780EC2CA45674006654EE /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; name = AppDelegate.swift; path = minibits_wallet/AppDelegate.swift; sourceTree = "<group>"; };
 		81AB9BB72411601600AC10FF /* LaunchScreen.storyboard */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.storyboard; name = LaunchScreen.storyboard; path = minibits_wallet/LaunchScreen.storyboard; sourceTree = "<group>"; };
 		902F38382D92C792005DB998 /* OpenSSL.xcframework */ = {isa = PBXFileReference; expectedSignature = "AppleDeveloperProgram:67RAULRX93:Marcin Krzyzanowski"; lastKnownFileType = wrapper.xcframework; name = OpenSSL.xcframework; path = "Pods/OpenSSL-Universal/OpenSSL.xcframework"; sourceTree = "<group>"; };
@@ -75,7 +75,7 @@
 		4B24E47762034A51AEE63594 /* Resources */ = {
 			isa = PBXGroup;
 			children = (
-				6DA8A3418B7A4B348B67B9E7 /* Gluten-Regular.ttf */,
+				B3D7A2E5F1C648B9A0234567 /* HammersmithOne-Regular.ttf */,
 				AB8A46AD84194C2583FF9193 /* nostr.png */,
 			);
 			name = Resources;
@@ -186,7 +186,7 @@
 				81AB9BB82411601600AC10FF /* LaunchScreen.storyboard in Resources */,
 				13B07FBF1A68108700A75B9A /* Images.xcassets in Resources */,
 				D610B97F2318E8AB9D0962D2 /* PrivacyInfo.xcprivacy in Resources */,
-				C3AB98FDBCF446F99A4EA648 /* Gluten-Regular.ttf in Resources */,
+				A2E4F8C1D3B547A890123456 /* HammersmithOne-Regular.ttf in Resources */,
 				A1B9A6F7058C4F12AB677FD4 /* nostr.png in Resources */,
 				9044DC252D95937D00F918A6 /* GoogleService-Info.plist in Resources */,
 			);

ios/minibits_wallet/Info.plist

@@ -51,7 +51,7 @@
 		<true/>
 		<key>UIAppFonts</key>
 		<array>
-			<string>Gluten-Regular.ttf</string>
+			<string>HammersmithOne-Regular.ttf</string>
 		</array>
 		<key>UIBackgroundModes</key>
 		<array>
@@ -78,5 +78,23 @@
 		<false/>
 		<key>HOT_UPDATER_FINGERPRINT_HASH</key>
 		<string>98c1f26187f02f38ddef1fcb75384246a1c5fa03</string>
+		<key>CFBundleIcons</key>
+		<dict>
+			<key>CFBundlePrimaryIcon</key>
+			<dict>
+				<key>CFBundleIconName</key>
+				<string>AppIcon</string>
+			</dict>
+			<key>CFBundleAlternateIcons</key>
+			<dict>
+				<key>Golden</key>
+				<dict>
+					<key>CFBundleIconName</key>
+					<string>AppIconGolden</string>
+					<key>UIPrerenderedIcon</key>
+					<false/>
+				</dict>
+			</dict>
+		</dict>
 	</dict>
 </plist>

package.json

@@ -4,8 +4,9 @@
   "private": true,
   "scripts": {
     "android:clean": "cd android && ./gradlew clean",
-    "android:dev": "react-native run-android --active-arch-only",
-    "android:test": "react-native run-android --mode=release --active-arch-only",
+    "android:reinstall": "$HOME/Library/Android/sdk/platform-tools/adb uninstall com.minibits_wallet; yarn android:dev",
+    "android:dev": "react-native run-android --active-arch-only --main-activity .MainActivityDefault",
+    "android:test": "react-native run-android --mode=release --active-arch-only --main-activity .MainActivityDefault",
     "android:bundle": "react-native build-android --mode=release",
     "android:apk": "cd android && ./gradlew assembleRelease",
     "ios:dev": "npx react-native run-ios --scheme \"minibits_wallet\"",
@@ -59,6 +60,7 @@
     "react-native": "0.84.0",
     "react-native-animated-pagination-dots": "^0.1.73",
     "react-native-camera-kit": "17.0.1",
+    "react-native-change-icon": "^3.0.0",
     "react-native-exit-app": "^2.0.0",
     "react-native-fast-image": "^8.6.3",
     "react-native-flash-message": "^0.4.2",

patches/react-native-change-icon+3.2.0.patch

@@ -0,0 +1,43 @@
+diff --git a/node_modules/react-native-change-icon/android/build.gradle b/node_modules/react-native-change-icon/android/build.gradle
+index aa5226c..bf54025 100644
+--- a/node_modules/react-native-change-icon/android/build.gradle
++++ b/node_modules/react-native-change-icon/android/build.gradle
+@@ -4,7 +4,7 @@ buildscript {
+
+   repositories {
+     google()
+-    jcenter()
++    mavenCentral()
+   }
+
+   dependencies {
+@@ -52,7 +52,6 @@ android {
+
+ repositories {
+   mavenCentral()
+-  jcenter()
+   google()
+
+   def found = false
+diff --git a/node_modules/react-native-change-icon/android/src/main/java/com/reactnativechangeicon/ChangeIconModule.kt b/node_modules/react-native-change-icon/android/src/main/java/com/reactnativechangeicon/ChangeIconModule.kt
+index 70c3e2c..724b3fe 100644
+--- a/node_modules/react-native-change-icon/android/src/main/java/com/reactnativechangeicon/ChangeIconModule.kt
++++ b/node_modules/react-native-change-icon/android/src/main/java/com/reactnativechangeicon/ChangeIconModule.kt
+@@ -21,7 +21,7 @@ class ChangeIconModule(reactContext: ReactApplicationContext, private val packag
+
+     @ReactMethod
+     fun changeIcon(enableIcon: String, promise: Promise) {
+-        val activity: Activity? = currentActivity
++        val activity: Activity? = reactApplicationContext.currentActivity
+         if (activity == null || enableIcon.isEmpty()) {
+             promise.reject("Icon string is empty.")
+             return
+@@ -46,7 +46,7 @@ class ChangeIconModule(reactContext: ReactApplicationContext, private val packag
+
+     private fun completeIconChange() {
+         if (iconChanged) {
+-          val activity: Activity? = currentActivity
++          val activity: Activity? = reactApplicationContext.currentActivity
+           if (activity == null) {
+             return
+           }

src/App.tsx

@@ -1,28 +1,33 @@
 import React, { useCallback, useEffect, useRef, useState } from 'react'
 import FlashMessage from "react-native-flash-message"
-import {  
+import {
   SafeAreaProvider,
 } from 'react-native-safe-area-context'
 import {
-    setSizeMattersBaseHeight, 
+    setSizeMattersBaseHeight,
     setSizeMattersBaseWidth
 } from '@gocodingnow/rn-size-matters'
 import RNExitApp from 'react-native-exit-app'
+import { changeIcon } from 'react-native-change-icon'
 import {AppNavigator} from './navigation'
 import {useInitialRootStore, useStores} from './models'
 import {KeyChain, WalletKeys} from './services'
 import {ErrorBoundary} from './screens/ErrorScreen/ErrorBoundary'
 import Config from './config'
 import {log} from './services'
-import { Image, Pressable, Text as RNText, TextStyle, View } from 'react-native'
-import { colors, spacing, typography } from './theme'
+import { Image, TextStyle, View } from 'react-native'
+import { ThemeCode, colors, spacing, typography } from './theme'
+import useColorScheme from './theme/useThemeColor'
 import { displayName } from '../app.json'
 import { Text } from './components/Text'
 import useIsInternetReachable from './utils/useIsInternetReachable'
+import { MMKVStorage } from './services'
+import { Button, Screen } from './components'
 
 setSizeMattersBaseWidth(375)
 setSizeMattersBaseHeight(812)
 
+
 function App() {
   const {
     userSettingsStore,
@@ -32,9 +37,11 @@ function App() {
     walletProfileStore
   } = useStores()
 
+  const colorScheme = useColorScheme()
+
   const [isUserAuthenticated, setIsUserAuthenticated] = useState(false)
   const [isDeviceAuthenticated, setIsDeviceAuthenticated] = useState(false)
-  const [isAuthLocked, setIsAuthLocked] = useState(false)
+  const [isAppLocked, setIsAppLocked] = useState(false)
   const isAuthInProgressRef = useRef(false)
 
   const isInternetReachable = useIsInternetReachable() // boolean | null
@@ -47,37 +54,40 @@ function App() {
     }
   }, [isInternetReachable])
 
-  const attemptAuth = useCallback(async () => {
+  const attemptUserAuthentication = useCallback(async () => {
     if (isAuthInProgressRef.current) {
-      log.trace('[App] attemptAuth skipped, auth already in progress')
+      log.trace('[App] attemptUserAuthentication skipped, auth already in progress')
       return
     }
 
     isAuthInProgressRef.current = true
 
     try {
-      const isAuthEnabled = userSettingsStore.isAuthOn
-      log.trace('[App] attemptAuth called')
+      const {isAuthOn} = userSettingsStore
+      log.trace('[App] attemptUserAuthentication called', {isAuthOn})
 
-      const result = await KeyChain.authenticateOnAppStart(isAuthEnabled)
-      log.trace('[App] attemptAuth result:', { success: result.success, shouldExitApp: result.shouldExitApp })
+      const result = await KeyChain.authenticateOnAppStart(isAuthOn)
+      log.trace('[App] attemptUserAuthentication result:', { success: result.success, shouldExitApp: result.shouldExitApp })
 
       if (result.success) {
         setIsUserAuthenticated(true)
-        setIsAuthLocked(false)
+        setIsAppLocked(false)
         return
-      }
+      }      
 
       if (result.shouldExitApp) {
+        // Fix: show locked UI before exiting so the user isn't stuck on a
+        // blank splash if exitApp() has any delay or fails silently.
+        setIsAppLocked(true)
         RNExitApp.exitApp()
         return
       }
 
-      log.trace('[App] attemptAuth failed, locking app')
-      setIsAuthLocked(true)
+      log.trace('[App] attemptUserAuthentication failed, locking app')
+      setIsAppLocked(true)
     } catch (e: any) {
-      log.error('[App] attemptAuth caught error', { message: e.message })
-      setIsAuthLocked(true)
+      log.error('[App] attemptUserAuthentication caught error', { message: e.message })
+      setIsAppLocked(true)
     } finally {
       isAuthInProgressRef.current = false
     }
@@ -89,18 +99,23 @@ function App() {
 
     // User authentication (biometrics / PIN)
     if (userSettingsStore.isAuthOn) {
-      // Keep UI in locked mode until authentication succeeds.
-      setIsAuthLocked(true)
-      attemptAuth()
+      // Keep UI in locked mode until authentication succeeds.      
+      attemptUserAuthentication()
     } else {
       setIsUserAuthenticated(true)
     }
 
-    // Theme sync
-    if (userSettingsStore.theme !== userSettingsStore.nextTheme) {
-      userSettingsStore.setTheme(userSettingsStore.nextTheme)
+    // Theme sync — apply queued theme on startup and persist to dedicated MMKV key
+    const appliedTheme = MMKVStorage.loadTheme()
+    if (appliedTheme !== userSettingsStore.nextTheme) {
+      MMKVStorage.saveTheme(userSettingsStore.nextTheme)
     }
 
+    // Icon sync — keeps launcher icon in sync with the applied theme.
+    // Handles upgrades from versions before icon switching existed.
+    const targetIcon = MMKVStorage.loadTheme() === ThemeCode.GOLDEN ? 'Golden' : 'Default'
+    changeIcon(targetIcon).catch(() => {})
+
     // Reset relay statuses
     relaysStore.resetStatuses()
   })
@@ -108,7 +123,7 @@ function App() {
   useEffect(() => {
     if (
       isInternetReachable === null ||
-      isDeviceAuthenticated || 
+      isDeviceAuthenticated ||
       !rehydrated
     ) {
       log.trace('[App] Not yet ready for device auth check')
@@ -130,10 +145,10 @@ function App() {
           try {
             const walletKeys: WalletKeys = await walletStore.getCachedWalletKeys()
             const deviceId = walletProfileStore.device
-  
+
             await authStore.clearTokens()
             await authStore.enrollDevice(walletKeys.NOSTR, deviceId)
-  
+
             log.trace('[App] Device re-enrollment successful')
           } catch (e: any) {
             log.error('[App] Device re-enrollment failed', { message: e.message })
@@ -146,7 +161,7 @@ function App() {
         log.trace('[App] Network is online and refresh token valid → device authenticated')
         setIsDeviceAuthenticated(true)
       }
-      
+
     } else {
       // Confirmed offline → skip re-enrollment, proceed safely
       log.trace('[App] Network confirmed offline → skipping refresh token check, device authenticated')
@@ -162,36 +177,53 @@ function App() {
     !rehydrated ||
     !isUserAuthenticated ||
     !isDeviceAuthenticated ||
-    isAuthLocked
+    isAppLocked
   ) {
+    const splashTheme = MMKVStorage.loadTheme()
+    const isLight = splashTheme === ThemeCode.LIGHT ||
+      (splashTheme === ThemeCode.DEFAULT && colorScheme === 'light')
+    const isGolden = splashTheme === ThemeCode.GOLDEN
+    const splashBg = isLight ? colors.palette.neutral200 : colors.palette.neutral700
+    const splashTextColor = isLight ? colors.palette.neutral800 : colors.palette.neutral100
+
+    log.trace('[App] Rendering splash/auth screen', {isAppLocked})
+
     return (
-      <View style={{flex: 1}}>
-        <ErrorBoundary catchErrors={Config.catchErrors}>
-          <View style={{ flex: 1, justifyContent: 'center', alignItems: 'center' }}>
-            <Text text={displayName} style={$title} />
-            <Image source={require('../android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png')} />
-          </View>
-        </ErrorBoundary>
-        {isAuthLocked && (
-          <View style={{alignItems: 'center', paddingHorizontal: spacing.large, paddingBottom: 60}}>
-            <RNText style={{color: colors.palette.neutral400, fontSize: 14, textAlign: 'center', marginBottom: spacing.large}}>
-              Minibits is locked. Authentication is required to continue.
-            </RNText>
-            <Pressable
-              style={{backgroundColor: colors.palette.accent400, paddingVertical: spacing.small, paddingHorizontal: spacing.extraLarge, borderRadius: spacing.small, marginBottom: spacing.medium, minWidth: 200, alignItems: 'center'}}
-              onPress={attemptAuth}
-            >
-              <RNText style={{color: 'white', fontSize: 16, fontWeight: '600'}}>Authenticate</RNText>
-            </Pressable>
-            <Pressable
-              style={{paddingVertical: spacing.small, paddingHorizontal: spacing.extraLarge, minWidth: 200, alignItems: 'center'}}
-              onPress={() => RNExitApp.exitApp()}
-            >
-              <RNText style={{color: colors.palette.neutral400, fontSize: 16}}>Close app</RNText>
-            </Pressable>
-          </View>
-        )}
-      </View>
+      <SafeAreaProvider>
+      <Screen preset='fixed' backgroundColor={splashBg} safeAreaEdges={['top', 'bottom']}>
+        <View style={{flex: 1, justifyContent: 'center', alignItems: 'center'}}>
+          <Image source={isGolden
+            ? require('../android/app/src/main/res/mipmap-xxhdpi/ic_launcher_golden.png')
+            : require('../android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png')} />
+        </View>
+        <Text text={displayName} style={[$title, {color: splashTextColor}]} />
+        <View style={{
+          paddingHorizontal: spacing.large,
+          marginBottom: spacing.extraLarge,
+        }}>
+          
+          {isAppLocked && (
+            <>
+              <Text size='md' style={{textAlign: 'center', color: splashTextColor}}>
+                Minibits is locked. Authentication is required to continue.
+              </Text>
+              <Button
+                preset='default'
+                text='Authenticate'
+                onPress={attemptUserAuthentication}
+                style={{marginVertical: spacing.large, alignSelf: 'center'}}
+              />
+              <Button
+                preset='tertiary'
+                text='Exit'
+                onPress={() => RNExitApp.exitApp()}
+                style={{alignSelf: 'center'}}
+              />
+            </>
+          )}
+        </View>
+      </Screen>
+      </SafeAreaProvider>
     )
   }
 
@@ -209,7 +241,6 @@ const $title: TextStyle = {
   textAlign: "center",
   fontFamily: typography.logo.normal,
   fontSize: spacing.large,
-  color: 'white'
 }
 
-export default App
+export default App

src/models/UserSettingsStore.ts

@@ -7,7 +7,6 @@ import { ThemeCode } from '../theme'
 export type UserSettings = {
   preferredUnit: MintUnit
   exchangeCurrency: CurrencyCode
-  theme: ThemeCode
   nextTheme: ThemeCode
   isOnboarded: boolean
   isAuthOn: boolean
@@ -24,7 +23,6 @@ export const UserSettingsStoreModel = types
     .props({        
         preferredUnit: types.optional(types.frozen<MintUnit>(), 'sat'),
         exchangeCurrency: types.optional(types.frozen<CurrencyCode | null>(), CurrencyCode.USD),
-        theme: types.optional(types.frozen<ThemeCode>(), ThemeCode.DEFAULT),
         nextTheme: types.optional(types.frozen<ThemeCode>(), ThemeCode.DEFAULT),
         isOnboarded: types.optional(types.boolean, false),
         isAuthOn: types.optional(types.boolean, false),
@@ -43,11 +41,7 @@ export const UserSettingsStoreModel = types
             self.exchangeCurrency = exchangeCurrency            
             return exchangeCurrency
         },
-        setTheme: (theme: ThemeCode) => {            
-            self.theme = theme            
-            return theme
-        },
-        setNextTheme: (theme: ThemeCode) => {            
+        setNextTheme: (theme: ThemeCode) => {
             self.nextTheme = theme
             return theme
         },

src/screens/Contacts/OwnName.tsx

@@ -349,7 +349,7 @@ export const OwnName = observer(function (props: {pubkey: string}) {
                                     <RNText style={$supportText}>                            
                                         <Text
                                             text='Minibits'
-                                            style={{fontFamily: 'Gluten-Regular', fontSize: 18}}
+                                            style={{fontFamily: 'HammersmithOne-Regular', fontSize: 18}}
                                         />{' '}
                                         <Text tx="contactsScreen_ownName_donationSubtext" />
                                     </RNText>                                    

src/screens/SecurityScreen.tsx

@@ -18,6 +18,7 @@ import {useStores} from '../models'
 import AppError from '../utils/AppError'
 import {ResultModalInfo} from './Wallet/ResultModalInfo'
 import { StaticScreenProps, useNavigation } from '@react-navigation/native'
+import { KeyChain } from '../services'
 
 type Props = StaticScreenProps<undefined>
 
@@ -42,6 +43,9 @@ export const SecurityScreen = observer(function SecurityScreen({ route }: Props)
         try {
             setIsLoading(true)
 
+            // require auth to turn on or off
+            await KeyChain.getOrCreateAuthToken(isBiometricAuthOn)
+
             const result = await userSettingsStore.setIsAuthOn(
                 !isBiometricAuthOn,
             )
@@ -198,8 +202,8 @@ export const SecurityScreen = observer(function SecurityScreen({ route }: Props)
                     title={
                         isBiometricAuthOn ? 'Authentication is on' : 'Authentication is off'
                     }
-                    message={resultMessage as string}
-                />
+                    message={resultMessage as string}                    
+                />                
             }
             onBackButtonPress={toggleAuthModal}
             onBackdropPress={toggleAuthModal}
@@ -229,8 +233,8 @@ const $card: ViewStyle = {
 }
 
 const $bottomModal: ViewStyle = {
-  flex: 1,
-  alignItems: 'center',
+  // flex: 1,
+  // alignItems: 'center',
   paddingVertical: spacing.large,
   paddingHorizontal: spacing.small,
 }

src/screens/SettingsScreen.tsx

@@ -13,10 +13,11 @@ import {
     HOT_UPDATER_URL,
 } from '@env'
 import {ThemeCode, Themes, colors, spacing, useThemeColor} from '../theme'
+import { changeIcon } from 'react-native-change-icon'
 import {ListItem, Screen, Text, Card, NwcIcon, Button, BottomModal, InfoModal, Icon, Header, AnimatedHeader} from '../components'
 import {useStores} from '../models'
 import {translate} from '../i18n'
-import { log } from '../services'
+import { MMKVStorage, log } from '../services'
 import { Currencies, CurrencyCode, availableExchangeCurrencies } from '../services/wallet/currency'
 import { NotificationService } from '../services/notificationService'
 import { SvgXml } from 'react-native-svg'
@@ -57,7 +58,7 @@ export const SettingsScreen = observer(function SettingsScreen({ route }: Props)
 
     const [isUpdateAvailable, setIsUpdateAvailable] = useState<boolean>(false)
     const [updateDescription, setUpdateDescription] = useState<string>('')
-    const [currentTheme, setCurrentTheme] = useState<ThemeCode>(userSettingsStore.theme)    
+    const [currentTheme, setCurrentTheme] = useState<ThemeCode>(MMKVStorage.loadTheme())
     
     const [updateSize, setUpdateSize] = useState<string>('')
     const [isCurrencyModalVisible, setIsCurrencyModalVisible] = useState<boolean>(false)
@@ -286,17 +287,19 @@ export const SettingsScreen = observer(function SettingsScreen({ route }: Props)
     toggleCurrencyModal()  
   }
 
-  const onSelectTheme = async function(theme: ThemeCode) {    
+  const onSelectTheme = async function(theme: ThemeCode) {
     if(currentTheme !== theme) {
-      try {        
+      try {
         userSettingsStore.setNextTheme(theme)
         setCurrentTheme(theme)
         setInfo(translate('settingsScreen_restartTheme'))
+        const targetIcon = theme === ThemeCode.GOLDEN ? 'Golden' : 'Default'
+        await changeIcon(targetIcon)
       } catch (e: any) {
         log.warn('[onSelectTheme]', e.message)
       }
     }
-    toggleThemeModal()  
+    toggleThemeModal()
   }
 
 

src/screens/Wallet/ResultModalInfo.tsx

@@ -66,7 +66,7 @@ export const ResultModalInfo = function(props: {
 
   const $iconContainer: ViewStyle = {
     alignItems: 'center',
-    justifyContent: 'center',
+    justifyContent: 'center',    
     width: 120,
     height: 120,
   }

src/services/keyChain.ts

@@ -446,14 +446,7 @@ const authenticateOnAppStart = async function (isAuthOn: boolean): Promise<AuthR
     // Handle specific error codes for user actions
     const authErrorContext = getAuthErrorContext(e)
 
-    log.warn('[authenticateOnAppStart]', 'Auth error caught', { 
-      message: e.message, 
-      code: e.code, 
-      name: e.name,
-      params: e.params,
-      stringified: authErrorContext.serialized,
-      codeCandidates: authErrorContext.codeCandidates,
-    })
+    log.warn('[authenticateOnAppStart]', 'Auth error caught',{authErrorContext})
 
     if (authErrorContext.isBackPressed) {
       log.trace('[authenticateOnAppStart]', 'User pressed back button')

src/services/mmkvStorage.ts

@@ -1,6 +1,7 @@
 import {MMKV} from 'react-native-mmkv'
 import {log} from './logService'
 import AppError, {Err} from '../utils/AppError'
+import { ThemeCode } from '../theme'
 
 const STORAGE_KEY = 'storage-v1'
 let _storage: MMKV | undefined
@@ -154,7 +155,32 @@ const clearAll = function (): void {
   }
 }
 
-export const MMKVStorage = {  
+const THEME_STORAGE_KEY = 'theme'
+let _cachedTheme: ThemeCode | undefined
+
+const loadTheme = function (): ThemeCode {
+  if (_cachedTheme !== undefined) return _cachedTheme
+  try {
+    const storage = getInstance()
+    _cachedTheme = (storage.getString(THEME_STORAGE_KEY) as ThemeCode) ?? ThemeCode.DEFAULT
+    return _cachedTheme
+  } catch (e: any) {
+    return ThemeCode.DEFAULT
+  }
+}
+
+const saveTheme = function (theme: ThemeCode): boolean {
+  try {
+    _cachedTheme = theme
+    const storage = getInstance()
+    storage.set(THEME_STORAGE_KEY, theme)
+    return true
+  } catch (e: any) {
+    throw new AppError(Err.DATABASE_ERROR, e.message)
+  }
+}
+
+export const MMKVStorage = {
   loadString,
   saveString,
   saveNumber,
@@ -163,4 +189,6 @@ export const MMKVStorage = {
   save,
   remove,
   clearAll,
+  loadTheme,
+  saveTheme,
 }

src/theme/typography.ts

@@ -26,8 +26,8 @@ const fonts = {
     // Android only font.
     normal: 'monospace',
   },
-  gluten: {
-    normal: 'Gluten-Regular',
+  hammersmithOne: {
+    normal: 'HammersmithOne-Regular',
   }
 }
 
@@ -54,5 +54,5 @@ export const typography = {
    * Lets get fancy with a monospace font!
    */
   code: Platform.select({ios: fonts.courier, android: fonts.monospace}),
-  logo: fonts.gluten,
+  logo: fonts.hammersmithOne,
 }

src/theme/useThemeColor.tsx

@@ -1,5 +1,5 @@
-import { rootStoreInstance, useStores } from '../models'
 import {ThemeCode, colors} from '../theme'
+import { MMKVStorage } from '../services'
 import {
   ColorSchemeName,
   useColorScheme as _useColorScheme,
@@ -16,12 +16,13 @@ export default function useColorScheme(): NonNullable<ColorSchemeName> {
 export function useThemeColor(
   colorName: keyof typeof colors.light & keyof typeof colors.dark & keyof typeof colors.golden,
 ) {
-  const { userSettingsStore } = rootStoreInstance
-  
-  if(userSettingsStore.theme === ThemeCode.DEFAULT) {
+  // loadTheme() returns an in-memory cached value after first read — O(1), no MMKV overhead
+  const theme = MMKVStorage.loadTheme()
+
+  if(theme === ThemeCode.DEFAULT) {
     const colorScheme = useColorScheme()
     return colors[colorScheme][colorName] as ColorValue
   }
 
-  return colors[userSettingsStore.theme][colorName] as ColorValue  
+  return colors[theme][colorName] as ColorValue
 }

yarn.lock

@@ -14669,6 +14669,7 @@ __metadata:
     react-native: 0.84.0
     react-native-animated-pagination-dots: ^0.1.73
     react-native-camera-kit: 17.0.1
+    react-native-change-icon: ^3.0.0
     react-native-clean-project: ^4.0.3
     react-native-dotenv: ^3.4.11
     react-native-exit-app: ^2.0.0
@@ -16499,6 +16500,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"react-native-change-icon@npm:^3.0.0":
+  version: 3.2.0
+  resolution: "react-native-change-icon@npm:3.2.0"
+  peerDependencies:
+    react: "*"
+    react-native: "*"
+  checksum: d361e9e06fbd2969d85373b5e07531aa4af6a6472ede16928cd3afb0cf6bad6871a9bfa5022b5959ce50787aeb6664eea13e09cd8471ce97067cf7735ed6a20b
+  languageName: node
+  linkType: hard
+
 "react-native-clean-project@npm:^4.0.3":
   version: 4.0.3
   resolution: "react-native-clean-project@npm:4.0.3"