[Linux] Add a 'flutter run' console output test (#118279)
* Add Linux support for the UI integration test project
* Add Linux run console test
diff --git a/.ci.yaml b/.ci.yaml
index d2753195..df04bbc 100644
--- a/.ci.yaml
+++ b/.ci.yaml
@@ -687,6 +687,46 @@
- bin/**
- .ci.yaml
+ - name: Linux run_debug_test_linux
+ recipe: devicelab/devicelab_drone
+ bringup: true
+ timeout: 60
+ properties:
+ dependencies: >-
+ [
+ {"dependency": "clang", "version": "git_revision:5d5aba78dbbee75508f01bcaa69aedb2ab79065a"},
+ {"dependency": "cmake", "version": "version:3.16.1"},
+ {"dependency": "ninja", "version": "version:1.9.0"}
+ ]
+ tags: >
+ ["devicelab", "hostonly", "linux"]
+ task_name: run_debug_test_linux
+ runIf:
+ - dev/**
+ - packages/flutter_tools/**
+ - bin/**
+ - .ci.yaml
+
+ - name: Linux run_release_test_linux
+ recipe: devicelab/devicelab_drone
+ bringup: true
+ timeout: 60
+ properties:
+ dependencies: >-
+ [
+ {"dependency": "clang", "version": "git_revision:5d5aba78dbbee75508f01bcaa69aedb2ab79065a"},
+ {"dependency": "cmake", "version": "version:3.16.1"},
+ {"dependency": "ninja", "version": "version:1.9.0"}
+ ]
+ tags: >
+ ["devicelab", "hostonly", "linux"]
+ task_name: run_release_test_linux
+ runIf:
+ - dev/**
+ - packages/flutter_tools/**
+ - bin/**
+ - .ci.yaml
+
- name: Linux skp_generator
enabled_branches:
- main
diff --git a/TESTOWNERS b/TESTOWNERS
index b6ca461..c2b41f3 100644
--- a/TESTOWNERS
+++ b/TESTOWNERS
@@ -251,8 +251,10 @@
/dev/devicelab/bin/tasks/plugin_test_macos.dart @jmagman @flutter/desktop
/dev/devicelab/bin/tasks/plugin_test.dart @stuartmorgan @flutter/plugin
/dev/devicelab/bin/tasks/run_debug_test_android.dart @zanderso @flutter/tool
+/dev/devicelab/bin/tasks/run_debug_test_linux.dart @loic-sharma @flutter/tool
/dev/devicelab/bin/tasks/run_debug_test_macos.dart @cbracken @flutter/tool
/dev/devicelab/bin/tasks/run_debug_test_windows.dart @loic-sharma @flutter/tool
+/dev/devicelab/bin/tasks/run_release_test_linux.dart @loic-sharma @flutter/tool
/dev/devicelab/bin/tasks/run_release_test_macos.dart @cbracken @flutter/tool
/dev/devicelab/bin/tasks/run_release_test_windows.dart @loic-sharma @flutter/tool
/dev/devicelab/bin/tasks/technical_debt__cost.dart @HansMuller @flutter/framework
diff --git a/dev/devicelab/bin/tasks/run_debug_test_linux.dart b/dev/devicelab/bin/tasks/run_debug_test_linux.dart
new file mode 100644
index 0000000..5a1600f
--- /dev/null
+++ b/dev/devicelab/bin/tasks/run_debug_test_linux.dart
@@ -0,0 +1,12 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:flutter_devicelab/framework/devices.dart';
+import 'package:flutter_devicelab/framework/framework.dart';
+import 'package:flutter_devicelab/tasks/run_tests.dart';
+
+Future<void> main() async {
+ deviceOperatingSystem = DeviceOperatingSystem.linux;
+ await task(createLinuxRunDebugTest());
+}
diff --git a/dev/devicelab/bin/tasks/run_release_test_linux.dart b/dev/devicelab/bin/tasks/run_release_test_linux.dart
new file mode 100644
index 0000000..11b1ff0
--- /dev/null
+++ b/dev/devicelab/bin/tasks/run_release_test_linux.dart
@@ -0,0 +1,12 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:flutter_devicelab/framework/devices.dart';
+import 'package:flutter_devicelab/framework/framework.dart';
+import 'package:flutter_devicelab/tasks/run_tests.dart';
+
+Future<void> main() async {
+ deviceOperatingSystem = DeviceOperatingSystem.linux;
+ await task(createLinuxRunReleaseTest());
+}
diff --git a/dev/devicelab/lib/framework/devices.dart b/dev/devicelab/lib/framework/devices.dart
index a35df37..eb7c085 100644
--- a/dev/devicelab/lib/framework/devices.dart
+++ b/dev/devicelab/lib/framework/devices.dart
@@ -58,6 +58,7 @@
fake,
fuchsia,
ios,
+ linux,
macos,
windows,
}
@@ -79,6 +80,8 @@
return IosDeviceDiscovery();
case DeviceOperatingSystem.fuchsia:
return FuchsiaDeviceDiscovery();
+ case DeviceOperatingSystem.linux:
+ return LinuxDeviceDiscovery();
case DeviceOperatingSystem.macos:
return MacosDeviceDiscovery();
case DeviceOperatingSystem.windows:
@@ -356,6 +359,40 @@
}
}
+class LinuxDeviceDiscovery implements DeviceDiscovery {
+ factory LinuxDeviceDiscovery() {
+ return _instance ??= LinuxDeviceDiscovery._();
+ }
+
+ LinuxDeviceDiscovery._();
+
+ static LinuxDeviceDiscovery? _instance;
+
+ static const LinuxDevice _device = LinuxDevice();
+
+ @override
+ Future<Map<String, HealthCheckResult>> checkDevices() async {
+ return <String, HealthCheckResult>{};
+ }
+
+ @override
+ Future<void> chooseWorkingDevice() async { }
+
+ @override
+ Future<void> chooseWorkingDeviceById(String deviceId) async { }
+
+ @override
+ Future<List<String>> discoverDevices() async {
+ return <String>['linux'];
+ }
+
+ @override
+ Future<void> performPreflightTasks() async { }
+
+ @override
+ Future<Device> get workingDevice async => _device;
+}
+
class MacosDeviceDiscovery implements DeviceDiscovery {
factory MacosDeviceDiscovery() {
return _instance ??= MacosDeviceDiscovery._();
@@ -1046,6 +1083,58 @@
}
}
+class LinuxDevice extends Device {
+ const LinuxDevice();
+
+ @override
+ String get deviceId => 'linux';
+
+ @override
+ Future<Map<String, dynamic>> getMemoryStats(String packageName) async {
+ return <String, dynamic>{};
+ }
+
+ @override
+ Future<void> home() async { }
+
+ @override
+ Future<bool> isAsleep() async {
+ return false;
+ }
+
+ @override
+ Future<bool> isAwake() async {
+ return true;
+ }
+
+ @override
+ Stream<String> get logcat => const Stream<String>.empty();
+
+ @override
+ Future<void> clearLogs() async {}
+
+ @override
+ Future<void> reboot() async { }
+
+ @override
+ Future<void> sendToSleep() async { }
+
+ @override
+ Future<void> stop(String packageName) async { }
+
+ @override
+ Future<void> tap(int x, int y) async { }
+
+ @override
+ Future<void> togglePower() async { }
+
+ @override
+ Future<void> unlock() async { }
+
+ @override
+ Future<void> wakeUp() async { }
+}
+
class MacosDevice extends Device {
const MacosDevice();
diff --git a/dev/devicelab/lib/tasks/perf_tests.dart b/dev/devicelab/lib/tasks/perf_tests.dart
index df82422..3651965 100644
--- a/dev/devicelab/lib/tasks/perf_tests.dart
+++ b/dev/devicelab/lib/tasks/perf_tests.dart
@@ -716,6 +716,7 @@
break;
case DeviceOperatingSystem.fake:
case DeviceOperatingSystem.fuchsia:
+ case DeviceOperatingSystem.linux:
break;
case DeviceOperatingSystem.ios:
case DeviceOperatingSystem.macos:
@@ -860,6 +861,7 @@
break;
case DeviceOperatingSystem.fake:
case DeviceOperatingSystem.fuchsia:
+ case DeviceOperatingSystem.linux:
case DeviceOperatingSystem.macos:
case DeviceOperatingSystem.windows:
break;
@@ -1571,6 +1573,8 @@
throw Exception('Unsupported option for fake devices');
case DeviceOperatingSystem.fuchsia:
throw Exception('Unsupported option for Fuchsia devices');
+ case DeviceOperatingSystem.linux:
+ throw Exception('Unsupported option for Linux devices');
case DeviceOperatingSystem.windows:
unawaited(stderr.flush());
options.insert(0, 'windows');
@@ -1634,6 +1638,8 @@
throw Exception('Unsupported option for fake devices');
case DeviceOperatingSystem.fuchsia:
throw Exception('Unsupported option for Fuchsia devices');
+ case DeviceOperatingSystem.linux:
+ throw Exception('Unsupported option for Linux devices');
case DeviceOperatingSystem.macos:
unawaited(stderr.flush());
options.insert(0, 'macos');
@@ -1687,6 +1693,7 @@
case DeviceOperatingSystem.androidArm64:
case DeviceOperatingSystem.fake:
case DeviceOperatingSystem.fuchsia:
+ case DeviceOperatingSystem.linux:
case DeviceOperatingSystem.windows:
throw Exception('Called ${CompileTest.getSizesFromDarwinApp} with $operatingSystem.');
}
diff --git a/dev/devicelab/lib/tasks/run_tests.dart b/dev/devicelab/lib/tasks/run_tests.dart
index 9840af1..21e9777 100644
--- a/dev/devicelab/lib/tasks/run_tests.dart
+++ b/dev/devicelab/lib/tasks/run_tests.dart
@@ -19,6 +19,22 @@
return AndroidRunOutputTest(release: true).call;
}
+TaskFunction createLinuxRunDebugTest() {
+ return DesktopRunOutputTest(
+ '${flutterDirectory.path}/dev/integration_tests/ui',
+ 'lib/empty.dart',
+ release: false,
+ ).call;
+}
+
+TaskFunction createLinuxRunReleaseTest() {
+ return DesktopRunOutputTest(
+ '${flutterDirectory.path}/dev/integration_tests/ui',
+ 'lib/empty.dart',
+ release: true,
+ ).call;
+}
+
TaskFunction createMacOSRunDebugTest() {
return DesktopRunOutputTest(
// TODO(cbracken): https://github.com/flutter/flutter/issues/87508#issuecomment-1043753201
diff --git a/dev/integration_tests/ui/linux/.gitignore b/dev/integration_tests/ui/linux/.gitignore
new file mode 100644
index 0000000..d3896c9
--- /dev/null
+++ b/dev/integration_tests/ui/linux/.gitignore
@@ -0,0 +1 @@
+flutter/ephemeral
diff --git a/dev/integration_tests/ui/linux/CMakeLists.txt b/dev/integration_tests/ui/linux/CMakeLists.txt
new file mode 100644
index 0000000..9fc8b84
--- /dev/null
+++ b/dev/integration_tests/ui/linux/CMakeLists.txt
@@ -0,0 +1,138 @@
+# Project-level configuration.
+cmake_minimum_required(VERSION 3.10)
+project(runner LANGUAGES CXX)
+
+# The name of the executable created for the application. Change this to change
+# the on-disk name of your application.
+set(BINARY_NAME "ui")
+# The unique GTK application identifier for this application. See:
+# https://wiki.gnome.org/HowDoI/ChooseApplicationID
+set(APPLICATION_ID "io.flutter.ui")
+
+# Explicitly opt in to modern CMake behaviors to avoid warnings with recent
+# versions of CMake.
+cmake_policy(SET CMP0063 NEW)
+
+# Load bundled libraries from the lib/ directory relative to the binary.
+set(CMAKE_INSTALL_RPATH "$ORIGIN/lib")
+
+# Root filesystem for cross-building.
+if(FLUTTER_TARGET_PLATFORM_SYSROOT)
+ set(CMAKE_SYSROOT ${FLUTTER_TARGET_PLATFORM_SYSROOT})
+ set(CMAKE_FIND_ROOT_PATH ${CMAKE_SYSROOT})
+ set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+ set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
+ set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+ set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+endif()
+
+# Define build configuration options.
+if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+ set(CMAKE_BUILD_TYPE "Debug" CACHE
+ STRING "Flutter build mode" FORCE)
+ set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
+ "Debug" "Profile" "Release")
+endif()
+
+# Compilation settings that should be applied to most targets.
+#
+# Be cautious about adding new options here, as plugins use this function by
+# default. In most cases, you should add new options to specific targets instead
+# of modifying this function.
+function(APPLY_STANDARD_SETTINGS TARGET)
+ target_compile_features(${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:$<CONFIG:Debug>>:NDEBUG>")
+endfunction()
+
+# Flutter library and tool build rules.
+set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter")
+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}")
+
+# Define the application target. To change its name, change BINARY_NAME above,
+# not the value here, or `flutter run` will no longer work.
+#
+# Any new source files that you add to the application should be added here.
+add_executable(${BINARY_NAME}
+ "main.cc"
+ "my_application.cc"
+ "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc"
+)
+
+# Apply the standard set of build settings. This can be removed for applications
+# that need different build settings.
+apply_standard_settings(${BINARY_NAME})
+
+# Add dependency libraries. Add any application-specific dependencies here.
+target_link_libraries(${BINARY_NAME} PRIVATE flutter)
+target_link_libraries(${BINARY_NAME} PRIVATE PkgConfig::GTK)
+
+# Run the Flutter tool portions of the build. This must not be removed.
+add_dependencies(${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)
+
+foreach(bundled_library ${PLUGIN_BUNDLED_LIBRARIES})
+ install(FILES "${bundled_library}"
+ DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+ COMPONENT Runtime)
+endforeach(bundled_library)
+
+# Fully re-copy the assets directory on each build to avoid having stale files
+# from a previous install.
+set(FLUTTER_ASSET_DIR_NAME "flutter_assets")
+install(CODE "
+ file(REMOVE_RECURSE \"${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/dev/integration_tests/ui/linux/flutter/CMakeLists.txt b/dev/integration_tests/ui/linux/flutter/CMakeLists.txt
new file mode 100644
index 0000000..d5bd016
--- /dev/null
+++ b/dev/integration_tests/ui/linux/flutter/CMakeLists.txt
@@ -0,0 +1,88 @@
+# This file controls Flutter-level build steps. It should not be edited.
+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)
+
+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
+)
+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"
+ ${FLUTTER_TARGET_PLATFORM} ${CMAKE_BUILD_TYPE}
+ VERBATIM
+)
+add_custom_target(flutter_assemble DEPENDS
+ "${FLUTTER_LIBRARY}"
+ ${FLUTTER_LIBRARY_HEADERS}
+)
diff --git a/dev/integration_tests/ui/linux/flutter/generated_plugins.cmake b/dev/integration_tests/ui/linux/flutter/generated_plugins.cmake
new file mode 100644
index 0000000..2e1de87
--- /dev/null
+++ b/dev/integration_tests/ui/linux/flutter/generated_plugins.cmake
@@ -0,0 +1,23 @@
+#
+# Generated file, do not edit.
+#
+
+list(APPEND FLUTTER_PLUGIN_LIST
+)
+
+list(APPEND FLUTTER_FFI_PLUGIN_LIST
+)
+
+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)
+
+foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST})
+ add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/linux plugins/${ffi_plugin})
+ list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries})
+endforeach(ffi_plugin)
diff --git a/dev/integration_tests/ui/linux/main.cc b/dev/integration_tests/ui/linux/main.cc
new file mode 100644
index 0000000..e7c5c54
--- /dev/null
+++ b/dev/integration_tests/ui/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/dev/integration_tests/ui/linux/my_application.cc b/dev/integration_tests/ui/linux/my_application.cc
new file mode 100644
index 0000000..947e77c
--- /dev/null
+++ b/dev/integration_tests/ui/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, "ui");
+ 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, "ui");
+ }
+
+ 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,
+ "flags", G_APPLICATION_NON_UNIQUE,
+ nullptr));
+}
diff --git a/dev/integration_tests/ui/linux/my_application.h b/dev/integration_tests/ui/linux/my_application.h
new file mode 100644
index 0000000..8c66ec4
--- /dev/null
+++ b/dev/integration_tests/ui/linux/my_application.h
@@ -0,0 +1,22 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#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_
