cypherstack · julian-CStack · Nov 19, 2025 · Oct 21, 2025 · Oct 21, 2025 · Oct 22, 2025
diff --git a/.gitignore b/.gitignore
@@ -85,6 +85,7 @@ pubspec.yaml
 /android/app/src/main/profile/AndroidManifest.xml
 /android/app/src/main/kotlin/com/cypherstack/stackwallet/MainActivity.kt
 /android/app/src/main/res/**/ic_launcher.png
+/android/app/src/main/res/**/splash.png
 
 /ios/Runner/Info.plist
 /ios/Runner.xcodeproj/project.pbxproj
@@ -122,3 +123,6 @@ lib/wl_gen/generated/
 /linux/flutter/generated_plugins.cmake
 /windows/flutter/generated_plugins.cmake
 /macos/Flutter/GeneratedPluginRegistrant.swift
+
+/assets/windows/mwebd.exe
+/tool/build
diff --git a/analysis_options.yaml b/analysis_options.yaml
@@ -94,6 +94,7 @@ linter:
     constant_identifier_names: false
     prefer_final_locals: true
     prefer_final_in_for_each: true
+    lines_longer_than_80_chars: true
 #    require_trailing_commas: true // causes issues with dart 3.7
   # avoid_print: false  # Uncomment to disable the `avoid_print` rule
   # prefer_single_quotes: true  # Uncomment to enable the `prefer_single_quotes` rule

diff --git a/android/app/proguard-rules.pro b/android/app/proguard-rules.pro
@@ -32,4 +32,9 @@
 -keep,allowobfuscation,allowshrinking class * extends com.google.gson.reflect.TypeToken
 
 # required for flutter file_picker
--keep class androidx.lifecycle.DefaultLifecycleObserver
+-keep class androidx.lifecycle.DefaultLifecycleObserver
+
+# required for flutter_secure_storage
+-dontwarn com.google.errorprone.annotations.**
+-dontwarn javax.annotation.Nullable
+-dontwarn javax.annotation.concurrent.GuardedBy
diff --git a/android/app/src/main/res/drawable-hdpi/splash.png b/android/app/src/main/res/drawable-hdpi/splash.png
diff --git a/android/app/src/main/res/drawable-mdpi/splash.png b/android/app/src/main/res/drawable-mdpi/splash.png
diff --git a/android/app/src/main/res/drawable-night-v21/background.png b/android/app/src/main/res/drawable-night-v21/background.png
diff --git a/android/app/src/main/res/drawable-night-v21/launch_background.xml b/android/app/src/main/res/drawable-night-v21/launch_background.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item>
+        <bitmap android:gravity="fill" android:src="@drawable/background"/>
+    </item>
+    <item>
+        <bitmap android:gravity="center" android:src="@drawable/splash"/>
+    </item>
+</layer-list>
diff --git a/android/app/src/main/res/drawable-night/background.png b/android/app/src/main/res/drawable-night/background.png
diff --git a/android/app/src/main/res/drawable-night/launch_background.xml b/android/app/src/main/res/drawable-night/launch_background.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item>
+        <bitmap android:gravity="fill" android:src="@drawable/background"/>
+    </item>
+    <item>
+        <bitmap android:gravity="center" android:src="@drawable/splash"/>
+    </item>
+</layer-list>
diff --git a/android/app/src/main/res/drawable-v21/background.png b/android/app/src/main/res/drawable-v21/background.png
diff --git a/android/app/src/main/res/drawable-v21/launch_background.xml b/android/app/src/main/res/drawable-v21/launch_background.xml
@@ -6,4 +6,4 @@
     <item>
         <bitmap android:gravity="center" android:src="@drawable/splash"/>
     </item>
-</layer-list>
+</layer-list>
diff --git a/android/app/src/main/res/drawable-xhdpi/splash.png b/android/app/src/main/res/drawable-xhdpi/splash.png
diff --git a/android/app/src/main/res/drawable-xxhdpi/splash.png b/android/app/src/main/res/drawable-xxhdpi/splash.png
diff --git a/android/app/src/main/res/drawable-xxxhdpi/splash.png b/android/app/src/main/res/drawable-xxxhdpi/splash.png
diff --git a/android/app/src/main/res/drawable/background.png b/android/app/src/main/res/drawable/background.png
diff --git a/android/app/src/main/res/drawable/launch_background.xml b/android/app/src/main/res/drawable/launch_background.xml
@@ -6,4 +6,4 @@
     <item>
         <bitmap android:gravity="center" android:src="@drawable/splash"/>
     </item>
-</layer-list>
+</layer-list>
diff --git a/android/app/src/main/res/raw/keep.xml b/android/app/src/main/res/raw/keep.xml
diff --git a/android/app/src/main/res/values-night-v31/styles.xml b/android/app/src/main/res/values-night-v31/styles.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is off -->
+    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <item name="android:forceDarkAllowed">false</item>
+        <item name="android:windowFullscreen">false</item>
+        <item name="android:windowDrawsSystemBarBackgrounds">false</item>
+        <item name="android:windowLayoutInDisplayCutoutMode">shortEdges</item>
+        <item name="android:windowSplashScreenBackground">#2A2D34</item>
+    </style>
+    <!-- Theme applied to the Android Window as soon as the process has started.
+         This theme determines the color of the Android Window while your
+         Flutter UI initializes, as well as behind your Flutter UI while its
+         running.
+
+         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+    <style name="NormalTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
+</resources>
diff --git a/android/app/src/main/res/values-night/styles.xml b/android/app/src/main/res/values-night/styles.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is on -->
+    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <!-- Show a splash screen on the activity. Automatically removed when
+             the Flutter engine draws its first frame -->
+        <item name="android:windowBackground">@drawable/launch_background</item>
+        <item name="android:forceDarkAllowed">false</item>
+        <item name="android:windowFullscreen">false</item>
+        <item name="android:windowDrawsSystemBarBackgrounds">false</item>
+        <item name="android:windowLayoutInDisplayCutoutMode">shortEdges</item>
+    </style>
+    <!-- Theme applied to the Android Window as soon as the process has started.
+         This theme determines the color of the Android Window while your
+         Flutter UI initializes, as well as behind your Flutter UI while its
+         running.
+
+         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+    <style name="NormalTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
+</resources>
diff --git a/android/app/src/main/res/values-v31/styles.xml b/android/app/src/main/res/values-v31/styles.xml
@@ -2,10 +2,11 @@
 <resources>
     <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is off -->
     <style name="LaunchTheme" parent="@android:style/Theme.Light.NoTitleBar">
-        <item name="android:windowSplashScreenBackground">#F7F7F7</item>
         <item name="android:forceDarkAllowed">false</item>
         <item name="android:windowFullscreen">false</item>
+        <item name="android:windowDrawsSystemBarBackgrounds">false</item>
         <item name="android:windowLayoutInDisplayCutoutMode">shortEdges</item>
+        <item name="android:windowSplashScreenBackground">#F7F7F7</item>
     </style>
     <!-- Theme applied to the Android Window as soon as the process has started.
          This theme determines the color of the Android Window while your
@@ -16,4 +17,4 @@
     <style name="NormalTheme" parent="@android:style/Theme.Light.NoTitleBar">
         <item name="android:windowBackground">?android:colorBackground</item>
     </style>
-</resources>
+</resources>
diff --git a/android/app/src/main/res/values/colors.xml b/android/app/src/main/res/values/colors.xml
diff --git a/android/app/src/main/res/values/styles.xml b/android/app/src/main/res/values/styles.xml
@@ -1,10 +1,22 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is off -->
+    <style name="LaunchTheme" parent="@android:style/Theme.Light.NoTitleBar">
         <!-- Show a splash screen on the activity. Automatically removed when
-             Flutter draws its first frame -->
+             the Flutter engine draws its first frame -->
         <item name="android:windowBackground">@drawable/launch_background</item>
+        <item name="android:forceDarkAllowed">false</item>
         <item name="android:windowFullscreen">false</item>
+        <item name="android:windowDrawsSystemBarBackgrounds">false</item>
+        <item name="android:windowLayoutInDisplayCutoutMode">shortEdges</item>
+    </style>
+    <!-- Theme applied to the Android Window as soon as the process has started.
+         This theme determines the color of the Android Window while your
+         Flutter UI initializes, as well as behind your Flutter UI while its
+         running.
 
+         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+    <style name="NormalTheme" parent="@android:style/Theme.Light.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
     </style>
-</resources>
+</resources>
diff --git a/android/gradle/wrapper/gradle-wrapper.properties b/android/gradle/wrapper/gradle-wrapper.properties
@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.10.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.14-all.zip
diff --git a/android/settings.gradle b/android/settings.gradle
@@ -18,7 +18,7 @@ pluginManagement {
 
 plugins {
     id "dev.flutter.flutter-plugin-loader" version "1.0.0"
-    id "com.android.application" version '8.7.0' apply false
+    id "com.android.application" version '8.11.1' apply false
     id "org.jetbrains.kotlin.android" version "2.2.20" apply false
 }
 

diff --git a/docs/building.md b/docs/building.md
@@ -4,7 +4,7 @@ Here you will find instructions on how to install the necessary tools for buildi
 
 ## Prerequisites
 
-- The only OS supported for building Android and Linux desktop is Ubuntu 20.04.  Windows builds require using Ubuntu 20.04 on WSL2.  macOS builds for itself and iOS.  Advanced users may also be able to build on other Debian-based distributions like Linux Mint.
+- The only OS supported for building Android and Linux desktop is Ubuntu 24.04.  Windows builds require using Ubuntu 24.04 on WSL2.  macOS builds for itself and iOS.  Advanced users may also be able to build on other Debian-based distributions like Linux Mint.
 - Android setup ([Android Studio](https://developer.android.com/studio) and subsequent dependencies)
 - 100 GB of storage
 - Install go: [https://go.dev/doc/install](https://go.dev/doc/install)
@@ -77,12 +77,12 @@ pip3 install --upgrade meson==0.64.1 markdown==3.4.1 markupsafe==2.1.1 jinja2==3
 ```
 
 ### Flutter
-Install Flutter 3.29.2 by [following their guide](https://docs.flutter.dev/get-started/install/linux/desktop?tab=download#install-the-flutter-sdk).  You can also clone https://github.com/flutter/flutter, check out the `3.29.2` tag, and add its `flutter/bin` folder to your PATH as in
+Install Flutter 3.35.7 by [following their guide](https://docs.flutter.dev/get-started/install/linux/desktop?tab=download#install-the-flutter-sdk).  You can also clone https://github.com/flutter/flutter, check out the `3.35.7` tag, and add its `flutter/bin` folder to your PATH as in
 ```sh
 FLUTTER_DIR="$HOME/development/flutter"
 git clone https://github.com/flutter/flutter.git "$FLUTTER_DIR"
 cd "$FLUTTER_DIR"
-git checkout 3.29.2
+git checkout 3.35.7
 echo 'export PATH="$PATH:'"$FLUTTER_DIR"'/bin"' >> "$HOME/.profile"
 source "$HOME/.profile"
 flutter precache
@@ -165,6 +165,7 @@ cd scripts/windows
 ```
 
 install go in WSL [https://go.dev/doc/install](https://go.dev/doc/install) (follow linux instructions) and ensure you have `x86_64-w64-mingw32-gcc` 
+go version should be at least 1.24
 
 and use `scripts/build_app.sh` to build plugins:
 ```
@@ -292,13 +293,13 @@ If the DLLs were built on the WSL filesystem instead of on Windows, copy the res
 Frostdart will be built by the Windows host later.
 
 ### Install Flutter on Windows host
-Install Flutter 3.29.2 on your Windows host (not in WSL2) by [following their guide](https://docs.flutter.dev/get-started/install/windows/desktop?tab=download#install-the-flutter-sdk) or by cloning https://github.com/flutter/flutter, checking out the `3.29.2` tag, and adding its `flutter/bin` folder to your PATH as in
+Install Flutter 3.35.7 on your Windows host (not in WSL2) by [following their guide](https://docs.flutter.dev/get-started/install/windows/desktop?tab=download#install-the-flutter-sdk) or by cloning https://github.com/flutter/flutter, checking out the `3.35.7` tag, and adding its `flutter/bin` folder to your PATH as in
 ```bat
 @echo off
 set "FLUTTER_DIR=%USERPROFILE%\development\flutter"
 git clone https://github.com/flutter/flutter.git "%FLUTTER_DIR%"
 cd /d "%FLUTTER_DIR%"
-git checkout 3.29.2
+git checkout 3.35.7
 setx PATH "%PATH%;%FLUTTER_DIR%\bin"
 echo Flutter setup completed. Please restart your command prompt.
 ```

diff --git a/ios/Runner/Assets.xcassets/LaunchBackground.imageset/Contents.json b/ios/Runner/Assets.xcassets/LaunchBackground.imageset/Contents.json
@@ -2,16 +2,17 @@
   "images" : [
     {
       "filename" : "background.png",
-      "idiom" : "universal",
-      "scale" : "1x"
+      "idiom" : "universal"
     },
     {
-      "idiom" : "universal",
-      "scale" : "2x"
-    },
-    {
-      "idiom" : "universal",
-      "scale" : "3x"
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "filename" : "darkbackground.png",
+      "idiom" : "universal"
     }
   ],
   "info" : {

diff --git a/ios/Runner/Assets.xcassets/LaunchBackground.imageset/background.png b/ios/Runner/Assets.xcassets/LaunchBackground.imageset/background.png
diff --git a/ios/Runner/Assets.xcassets/LaunchBackground.imageset/darkbackground.png b/ios/Runner/Assets.xcassets/LaunchBackground.imageset/darkbackground.png
diff --git a/ios/Runner/Base.lproj/LaunchScreen.storyboard b/ios/Runner/Base.lproj/LaunchScreen.storyboard
@@ -41,4 +41,4 @@
         <image name="LaunchImage" width="512" height="512"/>
         <image name="LaunchBackground" width="1" height="1"/>
     </resources>
-</document>
+</document>
diff --git a/lib/app_config.dart b/lib/app_config.dart
@@ -16,6 +16,8 @@ abstract class AppConfig {
 
   static const emptyWalletsMessage = _emptyWalletsMessage;
 
+  static const windowsMwebdExeHash = _mwebdExeHash;
+
   static String get appDefaultDataDirName => _appDataDirName;
   static String get shortDescriptionText => _shortDescriptionText;
   static String get commitHash => _commitHash;

diff --git a/lib/main.dart b/lib/main.dart
@@ -23,6 +23,7 @@ import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import 'package:google_fonts/google_fonts.dart';
 import 'package:keyboard_dismisser/keyboard_dismisser.dart';
 import 'package:logger/logger.dart';
+import 'package:mobile_app_privacy/mobile_app_privacy.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:window_size/window_size.dart';
 
@@ -328,6 +329,10 @@ class _MaterialAppWithThemeState extends ConsumerState<MaterialAppWithTheme>
     with WidgetsBindingObserver {
   static const platform = MethodChannel("STACK_WALLET_RESTORE");
 
+  final _mobileAppPrivacy = Platform.isAndroid || Platform.isIOS
+      ? MobileAppPrivacy()
+      : null;
+
   // late final Wallets _wallets;
   // late final Prefs _prefs;
   late final NotificationsService _notificationsService;
@@ -459,6 +464,11 @@ class _MaterialAppWithThemeState extends ConsumerState<MaterialAppWithTheme>
       });
     }
 
+    if (Platform.isAndroid &&
+        ref.read(prefsChangeNotifierProvider).disableScreenShots) {
+      unawaited(_mobileAppPrivacy?.setFlagSecure(true));
+    }
+
     String themeId;
     if (ref.read(prefsChangeNotifierProvider).enableSystemBrightness) {
       final brightness = WidgetsBinding.instance.window.platformBrightness;
@@ -554,7 +564,18 @@ class _MaterialAppWithThemeState extends ConsumerState<MaterialAppWithTheme>
   @override
   void didChangeAppLifecycleState(AppLifecycleState state) async {
     debugPrint("didChangeAppLifecycleState: ${state.name}");
-    if (state == AppLifecycleState.resumed) {}
+
+    if (state == AppLifecycleState.resumed) {
+      await _mobileAppPrivacy?.disableOverlay();
+    } else {
+      if (ref.read(prefsChangeNotifierProvider).privacyScreen) {
+        await _mobileAppPrivacy?.enableOverlay(
+          color: ref.read(themeProvider).popupBG, // only android, ios uses blur
+          blurInsteadOfColor: true, // ignored on android
+        );
+      }
+    }
+
     switch (state) {
       case AppLifecycleState.inactive:
         break;
@@ -610,7 +631,10 @@ class _MaterialAppWithThemeState extends ConsumerState<MaterialAppWithTheme>
   @override
   Future<AppExitResponse> didRequestAppExit() async {
     debugPrint("didRequestAppExit called");
-    if (Platform.isMacOS) {
+    if (Platform.isMacOS || Platform.isWindows || Platform.isLinux) {
+      // Monero will cause app to stop responding if in the middle of doing
+      // things like a scan on the c++ side of things.
+
       // On macOS, mwebd fails to shut down, hanging the app on close.
       //
       // Exiting is a hack fix for this issue.
@@ -691,6 +715,13 @@ class _MaterialAppWithThemeState extends ConsumerState<MaterialAppWithTheme>
     //       addToDebugMessagesDB: false);
     // });
 
+    if (Platform.isAndroid) {
+      ref.listen(
+        prefsChangeNotifierProvider.select((s) => s.disableScreenShots),
+        (_, next) => _mobileAppPrivacy?.setFlagSecure(next),
+      );
+    }
+
     final colorScheme = ref.watch(colorProvider.state).state;
 
     return MaterialApp(