diff --git a/Makefile.toml b/Makefile.toml
index df6d1a7..76ead5d 100644
--- a/Makefile.toml
+++ b/Makefile.toml
@@ -62,45 +62,7 @@ description = "Runs the rust compiler."
 category = "Build"
 dependencies = ["android", "ios"]
 
-[tasks.ios]
-description = "build iOS targets"
-category = "Build"
-dependencies = ["ios-build", "ios-release", "post-ios"]
-
-[tasks.ios-build]
-condition = { platforms = ["mac"], env_true = ["DEV"] }
-description = "Build ios targets."
-category = "Build"
-command = "cargo"
-args = ["lipo"]
-dependencies = [
-    "setup-crate-type-ios",
-]
-
-[tasks.ios-release]
-condition = { platforms = ["mac"], env_true = ["RELEASE"] }
-description = "Build ios targets."
-category = "Build"
-command = "cargo"
-args = ["lipo", "--release"]
-dependencies = [
-    "setup-crate-type-ios",
-]
-
-[tasks.post-ios]
-script_runner = "@duckscript"
-condition = { platforms = ["mac"] }
-script = [
-    """
-    cp ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/target/universal/${LIB_OUT_DIR}/lib${CARGO_MAKE_CRATE_FS_NAME}.a \
-    ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/packages/${CARGO_MAKE_CRATE_FS_NAME}/ios/lib${CARGO_MAKE_CRATE_FS_NAME}.a
-    """,
-    """
-    cp ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/native/${CARGO_MAKE_CRATE_CURRENT_WORKSPACE_MEMBER}/binding.h \
-    ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/packages/${CARGO_MAKE_CRATE_FS_NAME}/ios/Classes/binding.h
-    """,
-]
-dependencies = ["restore-crate-type"]
+# ANDROID
 
 [tasks.android]
 description = "Build android targets."
@@ -191,7 +153,6 @@ private = true
 condition = { env_true = ["RELEASE"] }
 env = { ANDROID_TARGET = "i686-linux-android" }
 run_task = "android-build-release"
-
   
 [tasks.android-x86_64-release]
 private = true
@@ -209,7 +170,7 @@ script = [
     "mkdir ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/packages/${CARGO_MAKE_CRATE_FS_NAME}/android/src/main/jniLibs/x86_64",
 ]
 
-[tasks.copy-lib]
+[tasks.android-copy-lib]
 private = true
 condition = { env_set = ["ANDROID_TARGET", "JNI_LIB_DIR"] }
 script_runner = "@duckscript"
@@ -223,27 +184,121 @@ script = [
 [tasks.post-android-aarch64]
 private = true
 env = { ANDROID_TARGET = "aarch64-linux-android", JNI_LIB_DIR = "arm64-v8a" }
-run_task = "copy-lib"
+run_task = "android-copy-lib"
 
 [tasks.post-android-armv7]
 private = true
 env = { ANDROID_TARGET = "armv7-linux-androideabi", JNI_LIB_DIR = "armeabi-v7a" }
-run_task = "copy-lib"
+run_task = "android-copy-lib"
 
 [tasks.post-android-i686]
 private = true
 env = { ANDROID_TARGET = "i686-linux-android", JNI_LIB_DIR = "x86" }
-run_task = "copy-lib"
-
+run_task = "android-copy-lib"
 
 [tasks.post-android-x86_64]
 private = true
 env = { ANDROID_TARGET = "x86_64-linux-android", JNI_LIB_DIR = "x86_64" }
-run_task = "copy-lib"
+run_task = "android-copy-lib"
 
 [tasks.post-android]
 dependencies = ["restore-crate-type"]
 
+# IOS
+
+[tasks.ios]
+description = "build iOS targets"
+category = "Build"
+dependencies = ["ios-build", "ios-release", "post-ios"]
+
+[tasks.ios-build]
+condition = { platforms = ["mac"], env_true = ["DEV"] }
+description = "Build ios targets."
+category = "Build"
+command = "cargo"
+args = ["lipo"]
+dependencies = [
+    "setup-crate-type-ios",
+]
+
+[tasks.ios-release]
+condition = { platforms = ["mac"], env_true = ["RELEASE"] }
+description = "Build ios targets."
+category = "Build"
+command = "cargo"
+args = ["lipo", "--release"]
+dependencies = [
+    "setup-crate-type-ios",
+]
+
+[tasks.post-ios]
+script_runner = "@duckscript"
+condition = { platforms = ["mac"] }
+script = [
+    """
+    cp ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/target/universal/${LIB_OUT_DIR}/lib${CARGO_MAKE_CRATE_FS_NAME}.a \
+    ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/packages/${CARGO_MAKE_CRATE_FS_NAME}/ios/lib${CARGO_MAKE_CRATE_FS_NAME}.a
+    """,
+    """
+    cp ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/native/${CARGO_MAKE_CRATE_CURRENT_WORKSPACE_MEMBER}/binding.h \
+    ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/packages/${CARGO_MAKE_CRATE_FS_NAME}/ios/Classes/binding.h
+    """,
+]
+dependencies = ["restore-crate-type"]
+
+# LINUX
+
+[tasks.linux]
+description = "Build linux targets."
+category = "Build"
+dependencies = [
+    "setup-crate-type-linux",
+    "pre-linux",
+    "linux-x86_64-release",
+    "linux-copy-lib",
+    "post-linux"
+]
+
+[tasks.pre-linux]
+private = true
+script_runner = "@duckscript"
+script = [
+    "mkdir ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/packages/${CARGO_MAKE_CRATE_FS_NAME}/linux",
+]
+
+[tasks.linux-x86_64-release]
+private = true
+condition = { env_true = ["RELEASE"] }
+env = { LINUX_TARGET = "x86_64-unknown-linux-gnu" }
+run_task = "linux-build-release"
+
+[tasks.linux-build-release]
+private = true
+condition = { env_true = ["RELEASE"], env_set = ["LINUX_TARGET"] }
+command = "cargo"
+args = [
+  "build", 
+  "--release",
+  "--target", 
+  "${LINUX_TARGET}" 
+]
+
+[tasks.linux-copy-lib]
+private = true
+condition = { env_set = ["LINUX_TARGET"] }
+script_runner = "@duckscript"
+script = [
+    """
+    cp ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/target/${LINUX_TARGET}/${LIB_OUT_DIR}/lib${CARGO_MAKE_CRATE_FS_NAME}.so \
+    ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/packages/${CARGO_MAKE_CRATE_FS_NAME}/linux/lib${CARGO_MAKE_CRATE_FS_NAME}.so
+    """,
+]
+
+[tasks.post-linux]
+dependencies = ["restore-crate-type"]
+
+# SETUP CRATE TYPE
+
 [tasks.setup-crate-type-android]
 private = true
 env = { TARGET_OS = "android" }
@@ -254,6 +309,11 @@ private = true
 env = { TARGET_OS = "ios" }
 run_task = "setup-crate-type"
 
+[tasks.setup-crate-type-linux]
+private = true
+env = { TARGET_OS = "linux" }
+run_task = "setup-crate-type"
+
 [tasks.setup-crate-type]
 private = true
 script_runner = "@duckscript"
@@ -264,10 +324,13 @@ script = [
     os = get_env TARGET_OS
     is_android = eq ${os} "android"
     is_ios = eq ${os} "ios"
+    is_linux = eq ${os} "linux"
     if ${is_android}
       crate_type = set "cdylib"
     elseif ${is_ios}
       crate_type = set "staticlib"
+    elseif ${is_linux}
+      crate_type = set "cdylib"
     else
       crate_type = set "rlib"
     end
@@ -277,6 +340,8 @@ script = [
     """,
 ]
 
+# RESTORE CRATE TYPE
+
 [tasks.restore-crate-type]
 private = true
 script_runner = "@duckscript"
@@ -287,10 +352,13 @@ script = [
     os = get_env TARGET_OS
     is_android = eq ${os} "android"
     is_ios = eq ${os} "ios"
+    is_linux = eq ${os} "linux"
     if ${is_android}
       crate_type = set "cdylib"
     elseif ${is_ios}
       crate_type = set "staticlib"
+    elseif ${is_linux}
+      crate_type = set "cdylib"
     else
       crate_type = set "rlib"
     end
diff --git a/lib/models/myWallets.dart b/lib/models/myWallets.dart
index 3ceff88..6b64310 100644
--- a/lib/models/myWallets.dart
+++ b/lib/models/myWallets.dart
@@ -95,7 +95,7 @@ class MyWalletsProvider with ChangeNotifier {
     final _walletConfig = File('${walletsDirectory.path}/$chest/list.conf');
 
     List configLines = await _walletConfig.readAsLines();
-    log.d(configLines);
+    //log.d(configLines);
 
     if (configLines.isEmpty) {
       return WalletData('');
@@ -235,6 +235,11 @@ class WalletData {
     }
   }
 
+  // default wallet
+  static WalletData defaultWallet() {
+    return WalletData("0:0:default:3");
+  }
+
   // representation of WalletData when debugging
   @override
   String toString() {
diff --git a/linux/.gitignore b/linux/.gitignore
new file mode 100644
index 0000000..d3896c9
--- /dev/null
+++ b/linux/.gitignore
@@ -0,0 +1 @@
+flutter/ephemeral
diff --git a/linux/CMakeLists.txt b/linux/CMakeLists.txt
new file mode 100644
index 0000000..88a58f4
--- /dev/null
+++ b/linux/CMakeLists.txt
@@ -0,0 +1,106 @@
+cmake_minimum_required(VERSION 3.10)
+project(runner LANGUAGES CXX)
+
+set(BINARY_NAME "gecko")
+set(APPLICATION_ID "com.example.gecko")
+
+cmake_policy(SET CMP0063 NEW)
+
+set(CMAKE_INSTALL_RPATH "$ORIGIN/lib")
+
+# Configure build options.
+if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+  set(CMAKE_BUILD_TYPE "Debug" CACHE
+    STRING "Flutter build mode" FORCE)
+  set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
+    "Debug" "Profile" "Release")
+endif()
+
+# Compilation settings that should be applied to most targets.
+function(APPLY_STANDARD_SETTINGS TARGET)
+  target_compile_features(${TARGET} PUBLIC cxx_std_14)
+  target_compile_options(${TARGET} PRIVATE -Wall -Werror)
+  target_compile_options(${TARGET} PRIVATE "$<$<NOT:$<CONFIG:Debug>>:-O3>")
+  target_compile_definitions(${TARGET} PRIVATE "$<$<NOT:$<CONFIG:Debug>>:NDEBUG>")
+endfunction()
+
+set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter")
+
+# Flutter library and tool build rules.
+add_subdirectory(${FLUTTER_MANAGED_DIR})
+
+# System-level dependencies.
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0)
+
+add_definitions(-DAPPLICATION_ID="${APPLICATION_ID}")
+
+# Application build
+add_executable(${BINARY_NAME}
+  "main.cc"
+  "my_application.cc"
+  "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc"
+)
+apply_standard_settings(${BINARY_NAME})
+target_link_libraries(${BINARY_NAME} PRIVATE flutter)
+target_link_libraries(${BINARY_NAME} PRIVATE PkgConfig::GTK)
+add_dependencies(${BINARY_NAME} flutter_assemble)
+# Only the install-generated bundle's copy of the executable will launch
+# correctly, since the resources must in the right relative locations. To avoid
+# people trying to run the unbundled copy, put it in a subdirectory instead of
+# the default top-level location.
+set_target_properties(${BINARY_NAME}
+  PROPERTIES
+  RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/intermediates_do_not_run"
+)
+
+# Generated plugin build rules, which manage building the plugins and adding
+# them to the application.
+include(flutter/generated_plugins.cmake)
+
+
+# === Installation ===
+# By default, "installing" just makes a relocatable bundle in the build
+# directory.
+set(BUILD_BUNDLE_DIR "${PROJECT_BINARY_DIR}/bundle")
+if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
+  set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE)
+endif()
+
+# Start with a clean build bundle directory every time.
+install(CODE "
+  file(REMOVE_RECURSE \"${BUILD_BUNDLE_DIR}/\")
+  " COMPONENT Runtime)
+
+set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data")
+set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib")
+
+install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}"
+  COMPONENT Runtime)
+
+install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
+  COMPONENT Runtime)
+
+install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+  COMPONENT Runtime)
+
+if(PLUGIN_BUNDLED_LIBRARIES)
+  install(FILES "${PLUGIN_BUNDLED_LIBRARIES}"
+    DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+    COMPONENT Runtime)
+endif()
+
+# Fully re-copy the assets directory on each build to avoid having stale files
+# from a previous install.
+set(FLUTTER_ASSET_DIR_NAME "flutter_assets")
+install(CODE "
+  file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\")
+  " COMPONENT Runtime)
+install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}"
+  DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime)
+
+# Install the AOT library on non-Debug builds only.
+if(NOT CMAKE_BUILD_TYPE MATCHES "Debug")
+  install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+    COMPONENT Runtime)
+endif()
diff --git a/linux/flutter/CMakeLists.txt b/linux/flutter/CMakeLists.txt
new file mode 100644
index 0000000..a1da1b9
--- /dev/null
+++ b/linux/flutter/CMakeLists.txt
@@ -0,0 +1,91 @@
+cmake_minimum_required(VERSION 3.10)
+
+set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral")
+
+# Configuration provided via flutter tool.
+include(${EPHEMERAL_DIR}/generated_config.cmake)
+
+# TODO: Move the rest of this into files in ephemeral. See
+# https://github.com/flutter/flutter/issues/57146.
+
+# Serves the same purpose as list(TRANSFORM ... PREPEND ...),
+# which isn't available in 3.10.
+function(list_prepend LIST_NAME PREFIX)
+    set(NEW_LIST "")
+    foreach(element ${${LIST_NAME}})
+        list(APPEND NEW_LIST "${PREFIX}${element}")
+    endforeach(element)
+    set(${LIST_NAME} "${NEW_LIST}" PARENT_SCOPE)
+endfunction()
+
+# === Flutter Library ===
+# System-level dependencies.
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0)
+pkg_check_modules(GLIB REQUIRED IMPORTED_TARGET glib-2.0)
+pkg_check_modules(GIO REQUIRED IMPORTED_TARGET gio-2.0)
+pkg_check_modules(BLKID REQUIRED IMPORTED_TARGET blkid)
+pkg_check_modules(LZMA REQUIRED IMPORTED_TARGET liblzma)
+
+set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/libflutter_linux_gtk.so")
+
+# Published to parent scope for install step.
+set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE)
+set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE)
+set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE)
+set(AOT_LIBRARY "${PROJECT_DIR}/build/lib/libapp.so" PARENT_SCOPE)
+
+list(APPEND FLUTTER_LIBRARY_HEADERS
+  "fl_basic_message_channel.h"
+  "fl_binary_codec.h"
+  "fl_binary_messenger.h"
+  "fl_dart_project.h"
+  "fl_engine.h"
+  "fl_json_message_codec.h"
+  "fl_json_method_codec.h"
+  "fl_message_codec.h"
+  "fl_method_call.h"
+  "fl_method_channel.h"
+  "fl_method_codec.h"
+  "fl_method_response.h"
+  "fl_plugin_registrar.h"
+  "fl_plugin_registry.h"
+  "fl_standard_message_codec.h"
+  "fl_standard_method_codec.h"
+  "fl_string_codec.h"
+  "fl_value.h"
+  "fl_view.h"
+  "flutter_linux.h"
+)
+list_prepend(FLUTTER_LIBRARY_HEADERS "${EPHEMERAL_DIR}/flutter_linux/")
+add_library(flutter INTERFACE)
+target_include_directories(flutter INTERFACE
+  "${EPHEMERAL_DIR}"
+)
+target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}")
+target_link_libraries(flutter INTERFACE
+  PkgConfig::GTK
+  PkgConfig::GLIB
+  PkgConfig::GIO
+  PkgConfig::BLKID
+  PkgConfig::LZMA
+)
+add_dependencies(flutter flutter_assemble)
+
+# === Flutter tool backend ===
+# _phony_ is a non-existent file to force this command to run every time,
+# since currently there's no way to get a full input/output list from the
+# flutter tool.
+add_custom_command(
+  OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS}
+    ${CMAKE_CURRENT_BINARY_DIR}/_phony_
+  COMMAND ${CMAKE_COMMAND} -E env
+    ${FLUTTER_TOOL_ENVIRONMENT}
+    "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.sh"
+      linux-x64 ${CMAKE_BUILD_TYPE}
+  VERBATIM
+)
+add_custom_target(flutter_assemble DEPENDS
+  "${FLUTTER_LIBRARY}"
+  ${FLUTTER_LIBRARY_HEADERS}
+)
diff --git a/linux/flutter/generated_plugin_registrant.cc b/linux/flutter/generated_plugin_registrant.cc
new file mode 100644
index 0000000..5235232
--- /dev/null
+++ b/linux/flutter/generated_plugin_registrant.cc
@@ -0,0 +1,13 @@
+//
+//  Generated file. Do not edit.
+//
+
+#include "generated_plugin_registrant.h"
+
+#include <printing/printing_plugin.h>
+
+void fl_register_plugins(FlPluginRegistry* registry) {
+  g_autoptr(FlPluginRegistrar) printing_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "PrintingPlugin");
+  printing_plugin_register_with_registrar(printing_registrar);
+}
diff --git a/linux/flutter/generated_plugin_registrant.h b/linux/flutter/generated_plugin_registrant.h
new file mode 100644
index 0000000..9bf7478
--- /dev/null
+++ b/linux/flutter/generated_plugin_registrant.h
@@ -0,0 +1,13 @@
+//
+//  Generated file. Do not edit.
+//
+
+#ifndef GENERATED_PLUGIN_REGISTRANT_
+#define GENERATED_PLUGIN_REGISTRANT_
+
+#include <flutter_linux/flutter_linux.h>
+
+// Registers Flutter plugins.
+void fl_register_plugins(FlPluginRegistry* registry);
+
+#endif  // GENERATED_PLUGIN_REGISTRANT_
diff --git a/linux/flutter/generated_plugins.cmake b/linux/flutter/generated_plugins.cmake
new file mode 100644
index 0000000..c637089
--- /dev/null
+++ b/linux/flutter/generated_plugins.cmake
@@ -0,0 +1,16 @@
+#
+# Generated file, do not edit.
+#
+
+list(APPEND FLUTTER_PLUGIN_LIST
+  printing
+)
+
+set(PLUGIN_BUNDLED_LIBRARIES)
+
+foreach(plugin ${FLUTTER_PLUGIN_LIST})
+  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/linux plugins/${plugin})
+  target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin)
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES $<TARGET_FILE:${plugin}_plugin>)
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries})
+endforeach(plugin)
diff --git a/linux/main.cc b/linux/main.cc
new file mode 100644
index 0000000..e7c5c54
--- /dev/null
+++ b/linux/main.cc
@@ -0,0 +1,6 @@
+#include "my_application.h"
+
+int main(int argc, char** argv) {
+  g_autoptr(MyApplication) app = my_application_new();
+  return g_application_run(G_APPLICATION(app), argc, argv);
+}
diff --git a/linux/my_application.cc b/linux/my_application.cc
new file mode 100644
index 0000000..a420ace
--- /dev/null
+++ b/linux/my_application.cc
@@ -0,0 +1,104 @@
+#include "my_application.h"
+
+#include <flutter_linux/flutter_linux.h>
+#ifdef GDK_WINDOWING_X11
+#include <gdk/gdkx.h>
+#endif
+
+#include "flutter/generated_plugin_registrant.h"
+
+struct _MyApplication {
+  GtkApplication parent_instance;
+  char** dart_entrypoint_arguments;
+};
+
+G_DEFINE_TYPE(MyApplication, my_application, GTK_TYPE_APPLICATION)
+
+// Implements GApplication::activate.
+static void my_application_activate(GApplication* application) {
+  MyApplication* self = MY_APPLICATION(application);
+  GtkWindow* window =
+      GTK_WINDOW(gtk_application_window_new(GTK_APPLICATION(application)));
+
+  // Use a header bar when running in GNOME as this is the common style used
+  // by applications and is the setup most users will be using (e.g. Ubuntu
+  // desktop).
+  // If running on X and not using GNOME then just use a traditional title bar
+  // in case the window manager does more exotic layout, e.g. tiling.
+  // If running on Wayland assume the header bar will work (may need changing
+  // if future cases occur).
+  gboolean use_header_bar = TRUE;
+#ifdef GDK_WINDOWING_X11
+  GdkScreen *screen = gtk_window_get_screen(window);
+  if (GDK_IS_X11_SCREEN(screen)) {
+     const gchar* wm_name = gdk_x11_screen_get_window_manager_name(screen);
+     if (g_strcmp0(wm_name, "GNOME Shell") != 0) {
+       use_header_bar = FALSE;
+     }
+  }
+#endif
+  if (use_header_bar) {
+    GtkHeaderBar *header_bar = GTK_HEADER_BAR(gtk_header_bar_new());
+    gtk_widget_show(GTK_WIDGET(header_bar));
+    gtk_header_bar_set_title(header_bar, "gecko");
+    gtk_header_bar_set_show_close_button(header_bar, TRUE);
+    gtk_window_set_titlebar(window, GTK_WIDGET(header_bar));
+  }
+  else {
+    gtk_window_set_title(window, "gecko");
+  }
+
+  gtk_window_set_default_size(window, 1280, 720);
+  gtk_widget_show(GTK_WIDGET(window));
+
+  g_autoptr(FlDartProject) project = fl_dart_project_new();
+  fl_dart_project_set_dart_entrypoint_arguments(project, self->dart_entrypoint_arguments);
+
+  FlView* view = fl_view_new(project);
+  gtk_widget_show(GTK_WIDGET(view));
+  gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(view));
+
+  fl_register_plugins(FL_PLUGIN_REGISTRY(view));
+
+  gtk_widget_grab_focus(GTK_WIDGET(view));
+}
+
+// Implements GApplication::local_command_line.
+static gboolean my_application_local_command_line(GApplication* application, gchar ***arguments, int *exit_status) {
+  MyApplication* self = MY_APPLICATION(application);
+  // Strip out the first argument as it is the binary name.
+  self->dart_entrypoint_arguments = g_strdupv(*arguments + 1);
+
+  g_autoptr(GError) error = nullptr;
+  if (!g_application_register(application, nullptr, &error)) {
+     g_warning("Failed to register: %s", error->message);
+     *exit_status = 1;
+     return TRUE;
+  }
+
+  g_application_activate(application);
+  *exit_status = 0;
+
+  return TRUE;
+}
+
+// Implements GObject::dispose.
+static void my_application_dispose(GObject *object) {
+  MyApplication* self = MY_APPLICATION(object);
+  g_clear_pointer(&self->dart_entrypoint_arguments, g_strfreev);
+  G_OBJECT_CLASS(my_application_parent_class)->dispose(object);
+}
+
+static void my_application_class_init(MyApplicationClass* klass) {
+  G_APPLICATION_CLASS(klass)->activate = my_application_activate;
+  G_APPLICATION_CLASS(klass)->local_command_line = my_application_local_command_line;
+  G_OBJECT_CLASS(klass)->dispose = my_application_dispose;
+}
+
+static void my_application_init(MyApplication* self) {}
+
+MyApplication* my_application_new() {
+  return MY_APPLICATION(g_object_new(my_application_get_type(),
+                                     "application-id", APPLICATION_ID,
+                                     nullptr));
+}
diff --git a/linux/my_application.h b/linux/my_application.h
new file mode 100644
index 0000000..72271d5
--- /dev/null
+++ b/linux/my_application.h
@@ -0,0 +1,18 @@
+#ifndef FLUTTER_MY_APPLICATION_H_
+#define FLUTTER_MY_APPLICATION_H_
+
+#include <gtk/gtk.h>
+
+G_DECLARE_FINAL_TYPE(MyApplication, my_application, MY, APPLICATION,
+                     GtkApplication)
+
+/**
+ * my_application_new:
+ *
+ * Creates a new Flutter-based application.
+ *
+ * Returns: a new #MyApplication.
+ */
+MyApplication* my_application_new();
+
+#endif  // FLUTTER_MY_APPLICATION_H_
diff --git a/native/dubp_rs/build.rs b/native/dubp_rs/build.rs
index 2122423..39fd1b6 100644
--- a/native/dubp_rs/build.rs
+++ b/native/dubp_rs/build.rs
@@ -33,6 +33,7 @@ fn main() {
     let config = DynamicLibraryConfig {
         ios: DynamicLibraryCreationMode::Executable.into(),
         android: DynamicLibraryCreationMode::open("libdubp_rs.so").into(),
+        linux: DynamicLibraryCreationMode::open("libdubp_rs.so").into(),
         ..Default::default()
     };
     // load the c header file, with config and lib name