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[image_picker] Add desktop support - implementations (#4172)

Browse Source 
Platform implementation portion of
https://github.com/flutter/packages/pull/3882

Updates the Windows implementation to use the new base class for camera delegation, and creates new macOS and Linux implementations that are near-duplicates.

These are separate packages, rather than a single shared package, because it's likely that they will diverge over time (e.g., the TODO for macOS to use a system image picker control on newer versions of macOS), and the amount of code that could be shared is minimal anyway.

Part of https://github.com/flutter/flutter/issues/102115 Part of https://github.com/flutter/flutter/issues/102320 Part of https://github.com/flutter/flutter/issues/85100
This commit is contained in:
stuartmorgan
2023-06-09 17:40:38 -04:00
committed by GitHub
parent 914d120da1
commit ecf2b68093
59 changed files with 3807 additions and 117 deletions
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# Below is a list of people and organizations that have contributed
# to the Flutter project. Names should be added to the list like so:
#
# Name/Organization <email address>
Google Inc.
Alexandre Zollinger Chohfi <alzollin@microsoft.com>

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## 0.2.0
* Implements initial Linux support.

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Copyright 2013 The Flutter Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following
disclaimer in the documentation and/or other materials provided
with the distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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# image\_picker\_linux
A Linux implementation of [`image_picker`][1].
## Limitations
`ImageSource.camera` is not supported unless a `cameraDelegate` is set.
### pickImage()
The arguments `maxWidth`, `maxHeight`, and `imageQuality` are not currently supported.
### pickVideo()
The argument `maxDuration` is not currently supported.
## Usage
### Import the package
This package is [endorsed][2], which means you can simply use `file_selector`
normally. This package will be automatically included in your app when you do,
so you do not need to add it to your `pubspec.yaml`.
However, if you `import` this package to use any of its APIs directly, you
should add it to your `pubspec.yaml` as usual.
[1]: https://pub.dev/packages/image_picker
[2]: https://flutter.dev/docs/development/packages-and-plugins/developing-packages#endorsed-federated-plugin

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# Platform Implementation Test App
This is a test app for manual testing and automated integration testing
of this platform implementation. It is not intended to demonstrate actual use of
this package, since the intent is that plugin clients use the app-facing
package.
Unless you are making changes to this implementation package, this example is
very unlikely to be relevant.

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// Copyright 2013 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.
// ignore_for_file: public_member_api_docs
import 'dart:async';
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:image_picker_platform_interface/image_picker_platform_interface.dart';
import 'package:video_player/video_player.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
@override
Widget build(BuildContext context) {
return const MaterialApp(
title: 'Image Picker Demo',
home: MyHomePage(title: 'Image Picker Example'),
);
}
}
class MyHomePage extends StatefulWidget {
const MyHomePage({super.key, this.title});
final String? title;
@override
State<MyHomePage> createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
List<XFile>? _imageFileList;
// This must be called from within a setState() callback
void _setImageFileListFromFile(XFile? value) {
_imageFileList = value == null ? null : <XFile>[value];
}
dynamic _pickImageError;
bool _isVideo = false;
VideoPlayerController? _controller;
VideoPlayerController? _toBeDisposed;
String? _retrieveDataError;
final ImagePickerPlatform _picker = ImagePickerPlatform.instance;
final TextEditingController maxWidthController = TextEditingController();
final TextEditingController maxHeightController = TextEditingController();
final TextEditingController qualityController = TextEditingController();
Future<void> _playVideo(XFile? file) async {
if (file != null && mounted) {
await _disposeVideoController();
final VideoPlayerController controller =
VideoPlayerController.file(File(file.path));
_controller = controller;
await controller.setVolume(1.0);
await controller.initialize();
await controller.setLooping(true);
await controller.play();
setState(() {});
}
}
Future<void> _handleMultiImagePicked(BuildContext context) async {
await _displayPickImageDialog(context,
(double? maxWidth, double? maxHeight, int? quality) async {
try {
final List<XFile>? pickedFileList = await _picker.getMultiImage(
maxWidth: maxWidth,
maxHeight: maxHeight,
imageQuality: quality,
);
setState(() {
_imageFileList = pickedFileList;
});
} catch (e) {
setState(() {
_pickImageError = e;
});
}
});
}
Future<void> _handleSingleImagePicked(
BuildContext context, ImageSource source) async {
await _displayPickImageDialog(context,
(double? maxWidth, double? maxHeight, int? quality) async {
try {
final XFile? pickedFile = await _picker.getImageFromSource(
source: source,
options: ImagePickerOptions(
maxWidth: maxWidth,
maxHeight: maxHeight,
imageQuality: quality,
),
);
setState(() {
_setImageFileListFromFile(pickedFile);
});
} catch (e) {
setState(() {
_pickImageError = e;
});
}
});
}
Future<void> _onImageButtonPressed(ImageSource source,
{required BuildContext context, bool isMultiImage = false}) async {
if (_controller != null) {
await _controller!.setVolume(0.0);
}
if (context.mounted) {
if (_isVideo) {
final XFile? file = await _picker.getVideo(
source: source, maxDuration: const Duration(seconds: 10));
await _playVideo(file);
} else if (isMultiImage) {
await _handleMultiImagePicked(context);
} else {
await _handleSingleImagePicked(context, source);
}
}
}
@override
void deactivate() {
if (_controller != null) {
_controller!.setVolume(0.0);
_controller!.pause();
}
super.deactivate();
}
@override
void dispose() {
_disposeVideoController();
maxWidthController.dispose();
maxHeightController.dispose();
qualityController.dispose();
super.dispose();
}
Future<void> _disposeVideoController() async {
if (_toBeDisposed != null) {
await _toBeDisposed!.dispose();
}
_toBeDisposed = _controller;
_controller = null;
}
Widget _previewVideo() {
final Text? retrieveError = _getRetrieveErrorWidget();
if (retrieveError != null) {
return retrieveError;
}
if (_controller == null) {
return const Text(
'You have not yet picked a video',
textAlign: TextAlign.center,
);
}
return Padding(
padding: const EdgeInsets.all(10.0),
child: AspectRatioVideo(_controller),
);
}
Widget _previewImages() {
final Text? retrieveError = _getRetrieveErrorWidget();
if (retrieveError != null) {
return retrieveError;
}
if (_imageFileList != null) {
return Semantics(
label: 'image_picker_example_picked_images',
child: ListView.builder(
key: UniqueKey(),
itemBuilder: (BuildContext context, int index) {
return Semantics(
label: 'image_picker_example_picked_image',
child: Image.file(File(_imageFileList![index].path)),
);
},
itemCount: _imageFileList!.length,
),
);
} else if (_pickImageError != null) {
return Text(
'Pick image error: $_pickImageError',
textAlign: TextAlign.center,
);
} else {
return const Text(
'You have not yet picked an image.',
textAlign: TextAlign.center,
);
}
}
Widget _handlePreview() {
if (_isVideo) {
return _previewVideo();
} else {
return _previewImages();
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(widget.title!),
),
body: Center(
child: _handlePreview(),
),
floatingActionButton: Column(
mainAxisAlignment: MainAxisAlignment.end,
children: <Widget>[
Semantics(
label: 'image_picker_example_from_gallery',
child: FloatingActionButton(
onPressed: () {
_isVideo = false;
_onImageButtonPressed(ImageSource.gallery, context: context);
},
heroTag: 'image0',
tooltip: 'Pick Image from gallery',
child: const Icon(Icons.photo),
),
),
Padding(
padding: const EdgeInsets.only(top: 16.0),
child: FloatingActionButton(
onPressed: () {
_isVideo = false;
_onImageButtonPressed(
ImageSource.gallery,
context: context,
isMultiImage: true,
);
},
heroTag: 'image1',
tooltip: 'Pick Multiple Image from gallery',
child: const Icon(Icons.photo_library),
),
),
if (_picker.supportsImageSource(ImageSource.camera))
Padding(
padding: const EdgeInsets.only(top: 16.0),
child: FloatingActionButton(
onPressed: () {
_isVideo = false;
_onImageButtonPressed(ImageSource.camera, context: context);
},
heroTag: 'image2',
tooltip: 'Take a Photo',
child: const Icon(Icons.camera_alt),
),
),
Padding(
padding: const EdgeInsets.only(top: 16.0),
child: FloatingActionButton(
backgroundColor: Colors.red,
onPressed: () {
_isVideo = true;
_onImageButtonPressed(ImageSource.gallery, context: context);
},
heroTag: 'video0',
tooltip: 'Pick Video from gallery',
child: const Icon(Icons.video_library),
),
),
if (_picker.supportsImageSource(ImageSource.camera))
Padding(
padding: const EdgeInsets.only(top: 16.0),
child: FloatingActionButton(
backgroundColor: Colors.red,
onPressed: () {
_isVideo = true;
_onImageButtonPressed(ImageSource.camera, context: context);
},
heroTag: 'video1',
tooltip: 'Take a Video',
child: const Icon(Icons.videocam),
),
),
],
),
);
}
Text? _getRetrieveErrorWidget() {
if (_retrieveDataError != null) {
final Text result = Text(_retrieveDataError!);
_retrieveDataError = null;
return result;
}
return null;
}
Future<void> _displayPickImageDialog(
BuildContext context, OnPickImageCallback onPick) async {
return showDialog(
context: context,
builder: (BuildContext context) {
return AlertDialog(
title: const Text('Add optional parameters'),
content: Column(
children: <Widget>[
TextField(
controller: maxWidthController,
keyboardType:
const TextInputType.numberWithOptions(decimal: true),
decoration: const InputDecoration(
hintText: 'Enter maxWidth if desired'),
),
TextField(
controller: maxHeightController,
keyboardType:
const TextInputType.numberWithOptions(decimal: true),
decoration: const InputDecoration(
hintText: 'Enter maxHeight if desired'),
),
TextField(
controller: qualityController,
keyboardType: TextInputType.number,
decoration: const InputDecoration(
hintText: 'Enter quality if desired'),
),
],
),
actions: <Widget>[
TextButton(
child: const Text('CANCEL'),
onPressed: () {
Navigator.of(context).pop();
},
),
TextButton(
child: const Text('PICK'),
onPressed: () {
final double? width = maxWidthController.text.isNotEmpty
? double.parse(maxWidthController.text)
: null;
final double? height = maxHeightController.text.isNotEmpty
? double.parse(maxHeightController.text)
: null;
final int? quality = qualityController.text.isNotEmpty
? int.parse(qualityController.text)
: null;
onPick(width, height, quality);
Navigator.of(context).pop();
}),
],
);
});
}
}
typedef OnPickImageCallback = void Function(
double? maxWidth, double? maxHeight, int? quality);
class AspectRatioVideo extends StatefulWidget {
const AspectRatioVideo(this.controller, {super.key});
final VideoPlayerController? controller;
@override
AspectRatioVideoState createState() => AspectRatioVideoState();
}
class AspectRatioVideoState extends State<AspectRatioVideo> {
VideoPlayerController? get controller => widget.controller;
bool initialized = false;
void _onVideoControllerUpdate() {
if (!mounted) {
return;
}
if (initialized != controller!.value.isInitialized) {
initialized = controller!.value.isInitialized;
setState(() {});
}
}
@override
void initState() {
super.initState();
controller!.addListener(_onVideoControllerUpdate);
}
@override
void dispose() {
controller!.removeListener(_onVideoControllerUpdate);
super.dispose();
}
@override
Widget build(BuildContext context) {
if (initialized) {
return Center(
child: AspectRatio(
aspectRatio: controller!.value.aspectRatio,
child: VideoPlayer(controller!),
),
);
} else {
return Container();
}
}
}

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flutter/ephemeral

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# 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 "example")
# The unique GTK application identifier for this application. See:
# https://wiki.gnome.org/HowDoI/ChooseApplicationID
set(APPLICATION_ID "dev.flutter.plugins.imagePickerExample")
# 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()

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# 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}
)

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#
# Generated file, do not edit.
#
list(APPEND FLUTTER_PLUGIN_LIST
file_selector_linux
)
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)

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// Copyright 2013 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.
#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);
}

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// Copyright 2013 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.
#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, "example");
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, "example");
}
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));
}

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// Copyright 2013 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_

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name: example
description: Example for image_picker_linux implementation.
publish_to: 'none'
version: 1.0.0
environment:
sdk: ">=2.18.0 <4.0.0"
flutter: ">=3.3.0"
dependencies:
flutter:
sdk: flutter
image_picker_linux:
# When depending on this package from a real application you should use:
# image_picker_linux: ^x.y.z
# See https://dart.dev/tools/pub/dependencies#version-constraints
# The example app is bundled with the plugin so we use a path dependency on
# the parent directory to use the current plugin's version.
path: ..
image_picker_platform_interface: ^2.7.0
video_player: ^2.1.4
dev_dependencies:
flutter_test:
sdk: flutter
flutter:
uses-material-design: true

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// Copyright 2013 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:file_selector_linux/file_selector_linux.dart';
import 'package:file_selector_platform_interface/file_selector_platform_interface.dart';
import 'package:flutter/foundation.dart';
import 'package:image_picker_platform_interface/image_picker_platform_interface.dart';
/// The Linux implementation of [ImagePickerPlatform].
///
/// This class implements the `package:image_picker` functionality for
/// Linux.
class ImagePickerLinux extends CameraDelegatingImagePickerPlatform {
/// Constructs a platform implementation.
ImagePickerLinux();
/// The file selector used to prompt the user to select images or videos.
@visibleForTesting
static FileSelectorPlatform fileSelector = FileSelectorLinux();
/// Registers this class as the default instance of [ImagePickerPlatform].
static void registerWith() {
ImagePickerPlatform.instance = ImagePickerLinux();
}
// This is soft-deprecated in the platform interface, and is only implemented
// for compatibility. Callers should be using getImageFromSource.
@override
Future<PickedFile?> pickImage({
required ImageSource source,
double? maxWidth,
double? maxHeight,
int? imageQuality,
CameraDevice preferredCameraDevice = CameraDevice.rear,
}) async {
final XFile? file = await getImageFromSource(
source: source,
options: ImagePickerOptions(
maxWidth: maxWidth,
maxHeight: maxHeight,
imageQuality: imageQuality,
preferredCameraDevice: preferredCameraDevice));
if (file != null) {
return PickedFile(file.path);
}
return null;
}
// This is soft-deprecated in the platform interface, and is only implemented
// for compatibility. Callers should be using getVideo.
@override
Future<PickedFile?> pickVideo({
required ImageSource source,
CameraDevice preferredCameraDevice = CameraDevice.rear,
Duration? maxDuration,
}) async {
final XFile? file = await getVideo(
source: source,
preferredCameraDevice: preferredCameraDevice,
maxDuration: maxDuration);
if (file != null) {
return PickedFile(file.path);
}
return null;
}
// This is soft-deprecated in the platform interface, and is only implemented
// for compatibility. Callers should be using getImageFromSource.
@override
Future<XFile?> getImage({
required ImageSource source,
double? maxWidth,
double? maxHeight,
int? imageQuality,
CameraDevice preferredCameraDevice = CameraDevice.rear,
}) async {
return getImageFromSource(
source: source,
options: ImagePickerOptions(
maxWidth: maxWidth,
maxHeight: maxHeight,
imageQuality: imageQuality,
preferredCameraDevice: preferredCameraDevice));
}
// [ImagePickerOptions] options are not currently supported. If any
// of its fields are set, they will be silently ignored.
//
// If source is `ImageSource.camera`, a `StateError` will be thrown
// unless a [cameraDelegate] is set.
@override
Future<XFile?> getImageFromSource({
required ImageSource source,
ImagePickerOptions options = const ImagePickerOptions(),
}) async {
switch (source) {
case ImageSource.camera:
return super.getImageFromSource(source: source);
case ImageSource.gallery:
const XTypeGroup typeGroup =
XTypeGroup(label: 'Images', mimeTypes: <String>['image/*']);
final XFile? file = await fileSelector
.openFile(acceptedTypeGroups: <XTypeGroup>[typeGroup]);
return file;
}
// Ensure that there's a fallback in case a new source is added.
// ignore: dead_code
throw UnimplementedError('Unknown ImageSource: $source');
}
// `preferredCameraDevice` and `maxDuration` arguments are not currently
// supported. If either of these arguments are supplied, they will be silently
// ignored.
//
// If source is `ImageSource.camera`, a `StateError` will be thrown
// unless a [cameraDelegate] is set.
@override
Future<XFile?> getVideo({
required ImageSource source,
CameraDevice preferredCameraDevice = CameraDevice.rear,
Duration? maxDuration,
}) async {
switch (source) {
case ImageSource.camera:
return super.getVideo(
source: source,
preferredCameraDevice: preferredCameraDevice,
maxDuration: maxDuration);
case ImageSource.gallery:
const XTypeGroup typeGroup =
XTypeGroup(label: 'Videos', mimeTypes: <String>['video/*']);
final XFile? file = await fileSelector
.openFile(acceptedTypeGroups: <XTypeGroup>[typeGroup]);
return file;
}
// Ensure that there's a fallback in case a new source is added.
// ignore: dead_code
throw UnimplementedError('Unknown ImageSource: $source');
}
// `maxWidth`, `maxHeight`, and `imageQuality` arguments are not currently
// supported. If any of these arguments are supplied, they will be silently
// ignored.
@override
Future<List<XFile>> getMultiImage({
double? maxWidth,
double? maxHeight,
int? imageQuality,
}) async {
const XTypeGroup typeGroup =
XTypeGroup(label: 'Images', mimeTypes: <String>['image/*']);
final List<XFile> files = await fileSelector
.openFiles(acceptedTypeGroups: <XTypeGroup>[typeGroup]);
return files;
}
}

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name: image_picker_linux
description: Linux platform implementation of image_picker
repository: https://github.com/flutter/packages/tree/main/packages/image_picker/image_picker_linux
issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+image_picker%22
version: 0.2.0
environment:
sdk: ">=2.18.0 <4.0.0"
flutter: ">=3.3.0"
flutter:
plugin:
implements: image_picker
platforms:
linux:
dartPluginClass: ImagePickerLinux
dependencies:
file_selector_linux: ^0.9.1+3
file_selector_platform_interface: ^2.2.0
flutter:
sdk: flutter
image_picker_platform_interface: ^2.7.0
dev_dependencies:
build_runner: ^2.1.5
flutter_test:
sdk: flutter
mockito: 5.4.1

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// Copyright 2013 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:file_selector_platform_interface/file_selector_platform_interface.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:image_picker_linux/image_picker_linux.dart';
import 'package:image_picker_platform_interface/image_picker_platform_interface.dart';
import 'package:mockito/annotations.dart';
import 'package:mockito/mockito.dart';
import 'image_picker_linux_test.mocks.dart';
@GenerateMocks(<Type>[FileSelectorPlatform])
void main() {
TestWidgetsFlutterBinding.ensureInitialized();
// Returns the captured type groups from a mock call result, assuming that
// exactly one call was made and only the type groups were captured.
List<XTypeGroup> capturedTypeGroups(VerificationResult result) {
return result.captured.single as List<XTypeGroup>;
}
late ImagePickerLinux plugin;
late MockFileSelectorPlatform mockFileSelectorPlatform;
setUp(() {
plugin = ImagePickerLinux();
mockFileSelectorPlatform = MockFileSelectorPlatform();
when(mockFileSelectorPlatform.openFile(
acceptedTypeGroups: anyNamed('acceptedTypeGroups')))
.thenAnswer((_) async => null);
when(mockFileSelectorPlatform.openFiles(
acceptedTypeGroups: anyNamed('acceptedTypeGroups')))
.thenAnswer((_) async => List<XFile>.empty());
ImagePickerLinux.fileSelector = mockFileSelectorPlatform;
});
test('registered instance', () {
ImagePickerLinux.registerWith();
expect(ImagePickerPlatform.instance, isA<ImagePickerLinux>());
});
group('images', () {
test('pickImage passes the accepted type groups correctly', () async {
await plugin.pickImage(source: ImageSource.gallery);
final VerificationResult result = verify(mockFileSelectorPlatform
.openFile(acceptedTypeGroups: captureAnyNamed('acceptedTypeGroups')));
expect(capturedTypeGroups(result)[0].mimeTypes, <String>['image/*']);
});
test('getImage passes the accepted type groups correctly', () async {
await plugin.getImage(source: ImageSource.gallery);
final VerificationResult result = verify(mockFileSelectorPlatform
.openFile(acceptedTypeGroups: captureAnyNamed('acceptedTypeGroups')));
expect(capturedTypeGroups(result)[0].mimeTypes, <String>['image/*']);
});
test('getImageFromSource passes the accepted type groups correctly',
() async {
await plugin.getImageFromSource(source: ImageSource.gallery);
final VerificationResult result = verify(mockFileSelectorPlatform
.openFile(acceptedTypeGroups: captureAnyNamed('acceptedTypeGroups')));
expect(capturedTypeGroups(result)[0].mimeTypes, <String>['image/*']);
});
test('getImageFromSource calls delegate when source is camera', () async {
const String fakePath = '/tmp/foo';
plugin.cameraDelegate = FakeCameraDelegate(result: XFile(fakePath));
expect(
(await plugin.getImageFromSource(source: ImageSource.camera))!.path,
fakePath);
});
test(
'getImageFromSource throws StateError when source is camera with no delegate',
() async {
await expectLater(plugin.getImageFromSource(source: ImageSource.camera),
throwsStateError);
});
test('getMultiImage passes the accepted type groups correctly', () async {
await plugin.getMultiImage();
final VerificationResult result = verify(
mockFileSelectorPlatform.openFiles(
acceptedTypeGroups: captureAnyNamed('acceptedTypeGroups')));
expect(capturedTypeGroups(result)[0].mimeTypes, <String>['image/*']);
});
});
group('videos', () {
test('pickVideo passes the accepted type groups correctly', () async {
await plugin.pickVideo(source: ImageSource.gallery);
final VerificationResult result = verify(mockFileSelectorPlatform
.openFile(acceptedTypeGroups: captureAnyNamed('acceptedTypeGroups')));
expect(capturedTypeGroups(result)[0].mimeTypes, <String>['video/*']);
});
test('getVideo passes the accepted type groups correctly', () async {
await plugin.getVideo(source: ImageSource.gallery);
final VerificationResult result = verify(mockFileSelectorPlatform
.openFile(acceptedTypeGroups: captureAnyNamed('acceptedTypeGroups')));
expect(capturedTypeGroups(result)[0].mimeTypes, <String>['video/*']);
});
test('getVideo calls delegate when source is camera', () async {
const String fakePath = '/tmp/foo';
plugin.cameraDelegate = FakeCameraDelegate(result: XFile(fakePath));
expect(
(await plugin.getVideo(source: ImageSource.camera))!.path, fakePath);
});
test('getVideo throws StateError when source is camera with no delegate',
() async {
await expectLater(
plugin.getVideo(source: ImageSource.camera), throwsStateError);
});
});
}
class FakeCameraDelegate extends ImagePickerCameraDelegate {
FakeCameraDelegate({this.result});
XFile? result;
@override
Future<XFile?> takePhoto(
{ImagePickerCameraDelegateOptions options =
const ImagePickerCameraDelegateOptions()}) async {
return result;
}
@override
Future<XFile?> takeVideo(
{ImagePickerCameraDelegateOptions options =
const ImagePickerCameraDelegateOptions()}) async {
return result;
}
}

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// Mocks generated by Mockito 5.4.0 from annotations
// in image_picker_linux/test/image_picker_linux_test.dart.
// Do not manually edit this file.
// ignore_for_file: no_leading_underscores_for_library_prefixes
import 'dart:async' as _i3;
import 'package:file_selector_platform_interface/file_selector_platform_interface.dart'
as _i2;
import 'package:mockito/mockito.dart' as _i1;
// ignore_for_file: type=lint
// ignore_for_file: avoid_redundant_argument_values
// ignore_for_file: avoid_setters_without_getters
// ignore_for_file: comment_references
// ignore_for_file: implementation_imports
// ignore_for_file: invalid_use_of_visible_for_testing_member
// ignore_for_file: prefer_const_constructors
// ignore_for_file: unnecessary_parenthesis
// ignore_for_file: camel_case_types
// ignore_for_file: subtype_of_sealed_class
/// A class which mocks [FileSelectorPlatform].
///
/// See the documentation for Mockito's code generation for more information.
class MockFileSelectorPlatform extends _i1.Mock
implements _i2.FileSelectorPlatform {
MockFileSelectorPlatform() {
_i1.throwOnMissingStub(this);
}
@override
_i3.Future<_i2.XFile?> openFile({
List<_i2.XTypeGroup>? acceptedTypeGroups,
String? initialDirectory,
String? confirmButtonText,
}) =>
(super.noSuchMethod(
Invocation.method(
#openFile,
[],
{
#acceptedTypeGroups: acceptedTypeGroups,
#initialDirectory: initialDirectory,
#confirmButtonText: confirmButtonText,
},
),
returnValue: _i3.Future<_i2.XFile?>.value(),
) as _i3.Future<_i2.XFile?>);
@override
_i3.Future<List<_i2.XFile>> openFiles({
List<_i2.XTypeGroup>? acceptedTypeGroups,
String? initialDirectory,
String? confirmButtonText,
}) =>
(super.noSuchMethod(
Invocation.method(
#openFiles,
[],
{
#acceptedTypeGroups: acceptedTypeGroups,
#initialDirectory: initialDirectory,
#confirmButtonText: confirmButtonText,
},
),
returnValue: _i3.Future<List<_i2.XFile>>.value(<_i2.XFile>[]),
) as _i3.Future<List<_i2.XFile>>);
@override
_i3.Future<String?> getSavePath({
List<_i2.XTypeGroup>? acceptedTypeGroups,
String? initialDirectory,
String? suggestedName,
String? confirmButtonText,
}) =>
(super.noSuchMethod(
Invocation.method(
#getSavePath,
[],
{
#acceptedTypeGroups: acceptedTypeGroups,
#initialDirectory: initialDirectory,
#suggestedName: suggestedName,
#confirmButtonText: confirmButtonText,
},
),
returnValue: _i3.Future<String?>.value(),
) as _i3.Future<String?>);
@override
_i3.Future<String?> getDirectoryPath({
String? initialDirectory,
String? confirmButtonText,
}) =>
(super.noSuchMethod(
Invocation.method(
#getDirectoryPath,
[],
{
#initialDirectory: initialDirectory,
#confirmButtonText: confirmButtonText,
},
),
returnValue: _i3.Future<String?>.value(),
) as _i3.Future<String?>);
@override
_i3.Future<List<String>> getDirectoryPaths({
String? initialDirectory,
String? confirmButtonText,
}) =>
(super.noSuchMethod(
Invocation.method(
#getDirectoryPaths,
[],
{
#initialDirectory: initialDirectory,
#confirmButtonText: confirmButtonText,
},
),
returnValue: _i3.Future<List<String>>.value(<String>[]),
) as _i3.Future<List<String>>);
}

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# Below is a list of people and organizations that have contributed
# to the Flutter project. Names should be added to the list like so:
#
# Name/Organization <email address>
Google Inc.
Alexandre Zollinger Chohfi <alzollin@microsoft.com>

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## 0.2.0
* Implements initial macOS support.

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Copyright 2013 The Flutter Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following
disclaimer in the documentation and/or other materials provided
with the distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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# image\_picker\_macos
A macOS implementation of [`image_picker`][1].
## Limitations
`ImageSource.camera` is not supported unless a `cameraDelegate` is set.
### pickImage()
The arguments `maxWidth`, `maxHeight`, and `imageQuality` are not currently supported.
### pickVideo()
The argument `maxDuration` is not currently supported.
## Usage
### Import the package
This package is [endorsed][2], which means you can simply use `file_selector`
normally. This package will be automatically included in your app when you do,
so you do not need to add it to your `pubspec.yaml`.
However, if you `import` this package to use any of its APIs directly, you
should add it to your `pubspec.yaml` as usual.
### Entitlements
This package is currently implemented using [`file_selector`][3], so you will
need to add a read-only file acces [entitlement][4]:
```xml
<key>com.apple.security.files.user-selected.read-only</key>
<true/>
```
[1]: https://pub.dev/packages/image_picker
[2]: https://flutter.dev/docs/development/packages-and-plugins/developing-packages#endorsed-federated-plugin
[3]: https://pub.dev/packages/file_selector
[4]: https://docs.flutter.dev/platform-integration/macos/building#entitlements-and-the-app-sandbox

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# Platform Implementation Test App
This is a test app for manual testing and automated integration testing
of this platform implementation. It is not intended to demonstrate actual use of
this package, since the intent is that plugin clients use the app-facing
package.
Unless you are making changes to this implementation package, this example is
very unlikely to be relevant.

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// Copyright 2013 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.
// ignore_for_file: public_member_api_docs
import 'dart:async';
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:image_picker_platform_interface/image_picker_platform_interface.dart';
import 'package:video_player/video_player.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
@override
Widget build(BuildContext context) {
return const MaterialApp(
title: 'Image Picker Demo',
home: MyHomePage(title: 'Image Picker Example'),
);
}
}
class MyHomePage extends StatefulWidget {
const MyHomePage({super.key, this.title});
final String? title;
@override
State<MyHomePage> createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
List<XFile>? _imageFileList;
// This must be called from within a setState() callback
void _setImageFileListFromFile(XFile? value) {
_imageFileList = value == null ? null : <XFile>[value];
}
dynamic _pickImageError;
bool _isVideo = false;
VideoPlayerController? _controller;
VideoPlayerController? _toBeDisposed;
String? _retrieveDataError;
final ImagePickerPlatform _picker = ImagePickerPlatform.instance;
final TextEditingController maxWidthController = TextEditingController();
final TextEditingController maxHeightController = TextEditingController();
final TextEditingController qualityController = TextEditingController();
Future<void> _playVideo(XFile? file) async {
if (file != null && mounted) {
await _disposeVideoController();
final VideoPlayerController controller =
VideoPlayerController.file(File(file.path));
_controller = controller;
await controller.setVolume(1.0);
await controller.initialize();
await controller.setLooping(true);
await controller.play();
setState(() {});
}
}
Future<void> _handleMultiImagePicked(BuildContext context) async {
await _displayPickImageDialog(context,
(double? maxWidth, double? maxHeight, int? quality) async {
try {
final List<XFile>? pickedFileList = await _picker.getMultiImage(
maxWidth: maxWidth,
maxHeight: maxHeight,
imageQuality: quality,
);
setState(() {
_imageFileList = pickedFileList;
});
} catch (e) {
setState(() {
_pickImageError = e;
});
}
});
}
Future<void> _handleSingleImagePicked(
BuildContext context, ImageSource source) async {
await _displayPickImageDialog(context,
(double? maxWidth, double? maxHeight, int? quality) async {
try {
final XFile? pickedFile = await _picker.getImageFromSource(
source: source,
options: ImagePickerOptions(
maxWidth: maxWidth,
maxHeight: maxHeight,
imageQuality: quality,
),
);
setState(() {
_setImageFileListFromFile(pickedFile);
});
} catch (e) {
setState(() {
_pickImageError = e;
});
}
});
}
Future<void> _onImageButtonPressed(ImageSource source,
{required BuildContext context, bool isMultiImage = false}) async {
if (_controller != null) {
await _controller!.setVolume(0.0);
}
if (context.mounted) {
if (_isVideo) {
final XFile? file = await _picker.getVideo(
source: source, maxDuration: const Duration(seconds: 10));
await _playVideo(file);
} else if (isMultiImage) {
await _handleMultiImagePicked(context);
} else {
await _handleSingleImagePicked(context, source);
}
}
}
@override
void deactivate() {
if (_controller != null) {
_controller!.setVolume(0.0);
_controller!.pause();
}
super.deactivate();
}
@override
void dispose() {
_disposeVideoController();
maxWidthController.dispose();
maxHeightController.dispose();
qualityController.dispose();
super.dispose();
}
Future<void> _disposeVideoController() async {
if (_toBeDisposed != null) {
await _toBeDisposed!.dispose();
}
_toBeDisposed = _controller;
_controller = null;
}
Widget _previewVideo() {
final Text? retrieveError = _getRetrieveErrorWidget();
if (retrieveError != null) {
return retrieveError;
}
if (_controller == null) {
return const Text(
'You have not yet picked a video',
textAlign: TextAlign.center,
);
}
return Padding(
padding: const EdgeInsets.all(10.0),
child: AspectRatioVideo(_controller),
);
}
Widget _previewImages() {
final Text? retrieveError = _getRetrieveErrorWidget();
if (retrieveError != null) {
return retrieveError;
}
if (_imageFileList != null) {
return Semantics(
label: 'image_picker_example_picked_images',
child: ListView.builder(
key: UniqueKey(),
itemBuilder: (BuildContext context, int index) {
return Semantics(
label: 'image_picker_example_picked_image',
child: Image.file(File(_imageFileList![index].path)),
);
},
itemCount: _imageFileList!.length,
),
);
} else if (_pickImageError != null) {
return Text(
'Pick image error: $_pickImageError',
textAlign: TextAlign.center,
);
} else {
return const Text(
'You have not yet picked an image.',
textAlign: TextAlign.center,
);
}
}
Widget _handlePreview() {
if (_isVideo) {
return _previewVideo();
} else {
return _previewImages();
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(widget.title!),
),
body: Center(
child: _handlePreview(),
),
floatingActionButton: Column(
mainAxisAlignment: MainAxisAlignment.end,
children: <Widget>[
Semantics(
label: 'image_picker_example_from_gallery',
child: FloatingActionButton(
onPressed: () {
_isVideo = false;
_onImageButtonPressed(ImageSource.gallery, context: context);
},
heroTag: 'image0',
tooltip: 'Pick Image from gallery',
child: const Icon(Icons.photo),
),
),
Padding(
padding: const EdgeInsets.only(top: 16.0),
child: FloatingActionButton(
onPressed: () {
_isVideo = false;
_onImageButtonPressed(
ImageSource.gallery,
context: context,
isMultiImage: true,
);
},
heroTag: 'image1',
tooltip: 'Pick Multiple Image from gallery',
child: const Icon(Icons.photo_library),
),
),
if (_picker.supportsImageSource(ImageSource.camera))
Padding(
padding: const EdgeInsets.only(top: 16.0),
child: FloatingActionButton(
onPressed: () {
_isVideo = false;
_onImageButtonPressed(ImageSource.camera, context: context);
},
heroTag: 'image2',
tooltip: 'Take a Photo',
child: const Icon(Icons.camera_alt),
),
),
Padding(
padding: const EdgeInsets.only(top: 16.0),
child: FloatingActionButton(
backgroundColor: Colors.red,
onPressed: () {
_isVideo = true;
_onImageButtonPressed(ImageSource.gallery, context: context);
},
heroTag: 'video0',
tooltip: 'Pick Video from gallery',
child: const Icon(Icons.video_library),
),
),
if (_picker.supportsImageSource(ImageSource.camera))
Padding(
padding: const EdgeInsets.only(top: 16.0),
child: FloatingActionButton(
backgroundColor: Colors.red,
onPressed: () {
_isVideo = true;
_onImageButtonPressed(ImageSource.camera, context: context);
},
heroTag: 'video1',
tooltip: 'Take a Video',
child: const Icon(Icons.videocam),
),
),
],
),
);
}
Text? _getRetrieveErrorWidget() {
if (_retrieveDataError != null) {
final Text result = Text(_retrieveDataError!);
_retrieveDataError = null;
return result;
}
return null;
}
Future<void> _displayPickImageDialog(
BuildContext context, OnPickImageCallback onPick) async {
return showDialog(
context: context,
builder: (BuildContext context) {
return AlertDialog(
title: const Text('Add optional parameters'),
content: Column(
children: <Widget>[
TextField(
controller: maxWidthController,
keyboardType:
const TextInputType.numberWithOptions(decimal: true),
decoration: const InputDecoration(
hintText: 'Enter maxWidth if desired'),
),
TextField(
controller: maxHeightController,
keyboardType:
const TextInputType.numberWithOptions(decimal: true),
decoration: const InputDecoration(
hintText: 'Enter maxHeight if desired'),
),
TextField(
controller: qualityController,
keyboardType: TextInputType.number,
decoration: const InputDecoration(
hintText: 'Enter quality if desired'),
),
],
),
actions: <Widget>[
TextButton(
child: const Text('CANCEL'),
onPressed: () {
Navigator.of(context).pop();
},
),
TextButton(
child: const Text('PICK'),
onPressed: () {
final double? width = maxWidthController.text.isNotEmpty
? double.parse(maxWidthController.text)
: null;
final double? height = maxHeightController.text.isNotEmpty
? double.parse(maxHeightController.text)
: null;
final int? quality = qualityController.text.isNotEmpty
? int.parse(qualityController.text)
: null;
onPick(width, height, quality);
Navigator.of(context).pop();
}),
],
);
});
}
}
typedef OnPickImageCallback = void Function(
double? maxWidth, double? maxHeight, int? quality);
class AspectRatioVideo extends StatefulWidget {
const AspectRatioVideo(this.controller, {super.key});
final VideoPlayerController? controller;
@override
AspectRatioVideoState createState() => AspectRatioVideoState();
}
class AspectRatioVideoState extends State<AspectRatioVideo> {
VideoPlayerController? get controller => widget.controller;
bool initialized = false;
void _onVideoControllerUpdate() {
if (!mounted) {
return;
}
if (initialized != controller!.value.isInitialized) {
initialized = controller!.value.isInitialized;
setState(() {});
}
}
@override
void initState() {
super.initState();
controller!.addListener(_onVideoControllerUpdate);
}
@override
void dispose() {
controller!.removeListener(_onVideoControllerUpdate);
super.dispose();
}
@override
Widget build(BuildContext context) {
if (initialized) {
return Center(
child: AspectRatio(
aspectRatio: controller!.value.aspectRatio,
child: VideoPlayer(controller!),
),
);
} else {
return Container();
}
}
}

7
packages/image_picker/image_picker_macos/example/macos/.gitignore vendored Normal file
View File

@ -0,0 +1,7 @@
# Flutter-related
**/Flutter/ephemeral/
**/Pods/
# Xcode-related
**/dgph
**/xcuserdata/

2
packages/image_picker/image_picker_macos/example/macos/Flutter/Flutter-Debug.xcconfig Normal file
View File

@ -0,0 +1,2 @@
#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
#include "ephemeral/Flutter-Generated.xcconfig"

2
packages/image_picker/image_picker_macos/example/macos/Flutter/Flutter-Release.xcconfig Normal file
View File

@ -0,0 +1,2 @@
#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
#include "ephemeral/Flutter-Generated.xcconfig"

40
packages/image_picker/image_picker_macos/example/macos/Podfile Normal file
View File

@ -0,0 +1,40 @@
platform :osx, '10.14'
# CocoaPods analytics sends network stats synchronously affecting flutter build latency.
ENV['COCOAPODS_DISABLE_STATS'] = 'true'
project 'Runner', {
'Debug' => :debug,
'Profile' => :release,
'Release' => :release,
}
def flutter_root
generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'ephemeral', 'Flutter-Generated.xcconfig'), __FILE__)
unless File.exist?(generated_xcode_build_settings_path)
raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure \"flutter pub get\" is executed first"
end
File.foreach(generated_xcode_build_settings_path) do |line|
matches = line.match(/FLUTTER_ROOT\=(.*)/)
return matches[1].strip if matches
end
raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Flutter-Generated.xcconfig, then run \"flutter pub get\""
end
require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root)
flutter_macos_podfile_setup
target 'Runner' do
use_frameworks!
use_modular_headers!
flutter_install_all_macos_pods File.dirname(File.realpath(__FILE__))
end
post_install do |installer|
installer.pods_project.targets.each do |target|
flutter_additional_macos_build_settings(target)
end
end

573
packages/image_picker/image_picker_macos/example/macos/Runner.xcodeproj/project.pbxproj Normal file
View File

@ -0,0 +1,573 @@
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<true/>
</dict>
</plist>

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13
packages/image_picker/image_picker_macos/example/macos/Runner/AppDelegate.swift Normal file
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// Copyright 2013 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 Cocoa
import FlutterMacOS
@NSApplicationMain
class AppDelegate: FlutterAppDelegate {
override func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool {
return true
}
}

68
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"version" : 1,
"author" : "xcode"
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<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="orderFrontSubstitutionsPanel:" target="-1" id="oku-mr-iSq"/>
</connections>
</menuItem>
<menuItem isSeparatorItem="YES" id="gPx-C9-uUO"/>
<menuItem title="Smart Copy/Paste" id="9yt-4B-nSM">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="toggleSmartInsertDelete:" target="-1" id="3IJ-Se-DZD"/>
</connections>
</menuItem>
<menuItem title="Smart Quotes" id="hQb-2v-fYv">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="toggleAutomaticQuoteSubstitution:" target="-1" id="ptq-xd-QOA"/>
</connections>
</menuItem>
<menuItem title="Smart Dashes" id="rgM-f4-ycn">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="toggleAutomaticDashSubstitution:" target="-1" id="oCt-pO-9gS"/>
</connections>
</menuItem>
<menuItem title="Smart Links" id="cwL-P1-jid">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="toggleAutomaticLinkDetection:" target="-1" id="Gip-E3-Fov"/>
</connections>
</menuItem>
<menuItem title="Data Detectors" id="tRr-pd-1PS">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="toggleAutomaticDataDetection:" target="-1" id="R1I-Nq-Kbl"/>
</connections>
</menuItem>
<menuItem title="Text Replacement" id="HFQ-gK-NFA">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="toggleAutomaticTextReplacement:" target="-1" id="DvP-Fe-Py6"/>
</connections>
</menuItem>
</items>
</menu>
</menuItem>
<menuItem title="Transformations" id="2oI-Rn-ZJC">
<modifierMask key="keyEquivalentModifierMask"/>
<menu key="submenu" title="Transformations" id="c8a-y6-VQd">
<items>
<menuItem title="Make Upper Case" id="vmV-6d-7jI">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="uppercaseWord:" target="-1" id="sPh-Tk-edu"/>
</connections>
</menuItem>
<menuItem title="Make Lower Case" id="d9M-CD-aMd">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="lowercaseWord:" target="-1" id="iUZ-b5-hil"/>
</connections>
</menuItem>
<menuItem title="Capitalize" id="UEZ-Bs-lqG">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="capitalizeWord:" target="-1" id="26H-TL-nsh"/>
</connections>
</menuItem>
</items>
</menu>
</menuItem>
<menuItem title="Speech" id="xrE-MZ-jX0">
<modifierMask key="keyEquivalentModifierMask"/>
<menu key="submenu" title="Speech" id="3rS-ZA-NoH">
<items>
<menuItem title="Start Speaking" id="Ynk-f8-cLZ">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="startSpeaking:" target="-1" id="654-Ng-kyl"/>
</connections>
</menuItem>
<menuItem title="Stop Speaking" id="Oyz-dy-DGm">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="stopSpeaking:" target="-1" id="dX8-6p-jy9"/>
</connections>
</menuItem>
</items>
</menu>
</menuItem>
</items>
</menu>
</menuItem>
<menuItem title="View" id="H8h-7b-M4v">
<modifierMask key="keyEquivalentModifierMask"/>
<menu key="submenu" title="View" id="HyV-fh-RgO">
<items>
<menuItem title="Enter Full Screen" keyEquivalent="f" id="4J7-dP-txa">
<modifierMask key="keyEquivalentModifierMask" control="YES" command="YES"/>
<connections>
<action selector="toggleFullScreen:" target="-1" id="dU3-MA-1Rq"/>
</connections>
</menuItem>
</items>
</menu>
</menuItem>
<menuItem title="Window" id="aUF-d1-5bR">
<modifierMask key="keyEquivalentModifierMask"/>
<menu key="submenu" title="Window" systemMenu="window" id="Td7-aD-5lo">
<items>
<menuItem title="Minimize" keyEquivalent="m" id="OY7-WF-poV">
<connections>
<action selector="performMiniaturize:" target="-1" id="VwT-WD-YPe"/>
</connections>
</menuItem>
<menuItem title="Zoom" id="R4o-n2-Eq4">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="performZoom:" target="-1" id="DIl-cC-cCs"/>
</connections>
</menuItem>
<menuItem isSeparatorItem="YES" id="eu3-7i-yIM"/>
<menuItem title="Bring All to Front" id="LE2-aR-0XJ">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="arrangeInFront:" target="-1" id="DRN-fu-gQh"/>
</connections>
</menuItem>
</items>
</menu>
</menuItem>
<menuItem title="Help" id="EPT-qC-fAb">
<modifierMask key="keyEquivalentModifierMask"/>
<menu key="submenu" title="Help" systemMenu="help" id="rJ0-wn-3NY"/>
</menuItem>
</items>
<point key="canvasLocation" x="142" y="-258"/>
</menu>
<window title="APP_NAME" allowsToolTipsWhenApplicationIsInactive="NO" autorecalculatesKeyViewLoop="NO" releasedWhenClosed="NO" animationBehavior="default" id="QvC-M9-y7g" customClass="MainFlutterWindow" customModule="Runner" customModuleProvider="target">
<windowStyleMask key="styleMask" titled="YES" closable="YES" miniaturizable="YES" resizable="YES"/>
<rect key="contentRect" x="335" y="390" width="800" height="600"/>
<rect key="screenRect" x="0.0" y="0.0" width="2560" height="1577"/>
<view key="contentView" wantsLayer="YES" id="EiT-Mj-1SZ">
<rect key="frame" x="0.0" y="0.0" width="800" height="600"/>
<autoresizingMask key="autoresizingMask"/>
</view>
</window>
</objects>
</document>

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// Application-level settings for the Runner target.
//
// This may be replaced with something auto-generated from metadata (e.g., pubspec.yaml) in the
// future. If not, the values below would default to using the project name when this becomes a
// 'flutter create' template.
// The application's name. By default this is also the title of the Flutter window.
PRODUCT_NAME = example
// The application's bundle identifier
PRODUCT_BUNDLE_IDENTIFIER = dev.flutter.plugins.imagePickerExample
// The copyright displayed in application information
PRODUCT_COPYRIGHT = Copyright © 2023 The Flutter Authors. All rights reserved.

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#include "../../Flutter/Flutter-Debug.xcconfig"
#include "Warnings.xcconfig"

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#include "../../Flutter/Flutter-Release.xcconfig"
#include "Warnings.xcconfig"

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@ -0,0 +1,13 @@
WARNING_CFLAGS = -Wall -Wconditional-uninitialized -Wnullable-to-nonnull-conversion -Wmissing-method-return-type -Woverlength-strings
GCC_WARN_UNDECLARED_SELECTOR = YES
CLANG_UNDEFINED_BEHAVIOR_SANITIZER_NULLABILITY = YES
CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE
CLANG_WARN__DUPLICATE_METHOD_MATCH = YES
CLANG_WARN_PRAGMA_PACK = YES
CLANG_WARN_STRICT_PROTOTYPES = YES
CLANG_WARN_COMMA = YES
GCC_WARN_STRICT_SELECTOR_MATCH = YES
CLANG_WARN_OBJC_REPEATED_USE_OF_WEAK = YES
CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES
GCC_WARN_SHADOW = YES
CLANG_WARN_UNREACHABLE_CODE = YES

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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>com.apple.security.app-sandbox</key>
<true/>
<key>com.apple.security.cs.allow-jit</key>
<true/>
<key>com.apple.security.network.server</key>
<true/>
<key>com.apple.security.files.user-selected.read-only</key>
<true/>
</dict>
</plist>

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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>CFBundleDevelopmentRegion</key>
<string>$(DEVELOPMENT_LANGUAGE)</string>
<key>CFBundleExecutable</key>
<string>$(EXECUTABLE_NAME)</string>
<key>CFBundleIconFile</key>
<string></string>
<key>CFBundleIdentifier</key>
<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>CFBundleName</key>
<string>$(PRODUCT_NAME)</string>
<key>CFBundlePackageType</key>
<string>APPL</string>
<key>CFBundleShortVersionString</key>
<string>$(FLUTTER_BUILD_NAME)</string>
<key>CFBundleVersion</key>
<string>$(FLUTTER_BUILD_NUMBER)</string>
<key>LSMinimumSystemVersion</key>
<string>$(MACOSX_DEPLOYMENT_TARGET)</string>
<key>NSHumanReadableCopyright</key>
<string>$(PRODUCT_COPYRIGHT)</string>
<key>NSMainNibFile</key>
<string>MainMenu</string>
<key>NSPrincipalClass</key>
<string>NSApplication</string>
</dict>
</plist>

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// Copyright 2013 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 Cocoa
import FlutterMacOS
class MainFlutterWindow: NSWindow {
override func awakeFromNib() {
let flutterViewController = FlutterViewController.init()
let windowFrame = self.frame
self.contentViewController = flutterViewController
self.setFrame(windowFrame, display: true)
RegisterGeneratedPlugins(registry: flutterViewController)
super.awakeFromNib()
}
}

10
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@ -0,0 +1,10 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>com.apple.security.app-sandbox</key>
<true/>
<key>com.apple.security.files.user-selected.read-only</key>
<true/>
</dict>
</plist>

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name: example
description: Example for image_picker_macos implementation.
publish_to: 'none'
version: 1.0.0
environment:
sdk: ">=2.18.0 <4.0.0"
flutter: ">=3.3.0"
dependencies:
flutter:
sdk: flutter
image_picker_macos:
# When depending on this package from a real application you should use:
# image_picker_macos: ^x.y.z
# See https://dart.dev/tools/pub/dependencies#version-constraints
# The example app is bundled with the plugin so we use a path dependency on
# the parent directory to use the current plugin's version.
path: ..
image_picker_platform_interface: ^2.7.0
video_player: ^2.1.4
dev_dependencies:
flutter_test:
sdk: flutter
flutter:
uses-material-design: true

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// Copyright 2013 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:file_selector_macos/file_selector_macos.dart';
import 'package:file_selector_platform_interface/file_selector_platform_interface.dart';
import 'package:flutter/foundation.dart';
import 'package:image_picker_platform_interface/image_picker_platform_interface.dart';
/// The macOS implementation of [ImagePickerPlatform].
///
/// This class implements the `package:image_picker` functionality for
/// macOS.
class ImagePickerMacOS extends CameraDelegatingImagePickerPlatform {
/// Constructs a platform implementation.
ImagePickerMacOS();
/// The file selector used to prompt the user to select images or videos.
@visibleForTesting
static FileSelectorPlatform fileSelector = FileSelectorMacOS();
/// Registers this class as the default instance of [ImagePickerPlatform].
static void registerWith() {
ImagePickerPlatform.instance = ImagePickerMacOS();
}
// This is soft-deprecated in the platform interface, and is only implemented
// for compatibility. Callers should be using getImageFromSource.
@override
Future<PickedFile?> pickImage({
required ImageSource source,
double? maxWidth,
double? maxHeight,
int? imageQuality,
CameraDevice preferredCameraDevice = CameraDevice.rear,
}) async {
final XFile? file = await getImage(
source: source,
maxWidth: maxWidth,
maxHeight: maxHeight,
imageQuality: imageQuality,
preferredCameraDevice: preferredCameraDevice);
if (file != null) {
return PickedFile(file.path);
}
return null;
}
// This is soft-deprecated in the platform interface, and is only implemented
// for compatibility. Callers should be using getVideo.
@override
Future<PickedFile?> pickVideo({
required ImageSource source,
CameraDevice preferredCameraDevice = CameraDevice.rear,
Duration? maxDuration,
}) async {
final XFile? file = await getVideo(
source: source,
preferredCameraDevice: preferredCameraDevice,
maxDuration: maxDuration);
if (file != null) {
return PickedFile(file.path);
}
return null;
}
// This is soft-deprecated in the platform interface, and is only implemented
// for compatibility. Callers should be using getImageFromSource.
@override
Future<XFile?> getImage({
required ImageSource source,
double? maxWidth,
double? maxHeight,
int? imageQuality,
CameraDevice preferredCameraDevice = CameraDevice.rear,
}) async {
return getImageFromSource(
source: source,
options: ImagePickerOptions(
maxWidth: maxWidth,
maxHeight: maxHeight,
imageQuality: imageQuality,
preferredCameraDevice: preferredCameraDevice));
}
// [ImagePickerOptions] options are not currently supported. If any
// of its fields are set, they will be silently ignored.
//
// If source is `ImageSource.camera`, a `StateError` will be thrown
// unless a [cameraDelegate] is set.
@override
Future<XFile?> getImageFromSource({
required ImageSource source,
ImagePickerOptions options = const ImagePickerOptions(),
}) async {
switch (source) {
case ImageSource.camera:
return super.getImageFromSource(source: source);
case ImageSource.gallery:
// TODO(stuartmorgan): Add a native implementation that can use
// PHPickerViewController on macOS 13+, with this as a fallback for
// older OS versions: https://github.com/flutter/flutter/issues/125829.
const XTypeGroup typeGroup =
XTypeGroup(uniformTypeIdentifiers: <String>['public.image']);
final XFile? file = await fileSelector
.openFile(acceptedTypeGroups: <XTypeGroup>[typeGroup]);
return file;
}
// Ensure that there's a fallback in case a new source is added.
// ignore: dead_code
throw UnimplementedError('Unknown ImageSource: $source');
}
// `preferredCameraDevice` and `maxDuration` arguments are not currently
// supported. If either of these arguments are supplied, they will be silently
// ignored.
//
// If source is `ImageSource.camera`, a `StateError` will be thrown
// unless a [cameraDelegate] is set.
@override
Future<XFile?> getVideo({
required ImageSource source,
CameraDevice preferredCameraDevice = CameraDevice.rear,
Duration? maxDuration,
}) async {
switch (source) {
case ImageSource.camera:
return super.getVideo(
source: source,
preferredCameraDevice: preferredCameraDevice,
maxDuration: maxDuration);
case ImageSource.gallery:
const XTypeGroup typeGroup =
XTypeGroup(uniformTypeIdentifiers: <String>['public.movie']);
final XFile? file = await fileSelector
.openFile(acceptedTypeGroups: <XTypeGroup>[typeGroup]);
return file;
}
// Ensure that there's a fallback in case a new source is added.
// ignore: dead_code
throw UnimplementedError('Unknown ImageSource: $source');
}
// `maxWidth`, `maxHeight`, and `imageQuality` arguments are not currently
// supported. If any of these arguments are supplied, they will be silently
// ignored.
@override
Future<List<XFile>> getMultiImage({
double? maxWidth,
double? maxHeight,
int? imageQuality,
}) async {
// TODO(stuartmorgan): Add a native implementation that can use
// PHPickerViewController on macOS 13+, with this as a fallback for
// older OS versions: https://github.com/flutter/flutter/issues/125829.
const XTypeGroup typeGroup =
XTypeGroup(uniformTypeIdentifiers: <String>['public.image']);
final List<XFile> files = await fileSelector
.openFiles(acceptedTypeGroups: <XTypeGroup>[typeGroup]);
return files;
}
}

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name: image_picker_macos
description: macOS platform implementation of image_picker
repository: https://github.com/flutter/packages/tree/main/packages/image_picker/image_picker_macos
issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+image_picker%22
version: 0.2.0
environment:
sdk: ">=2.18.0 <4.0.0"
flutter: ">=3.3.0"
flutter:
plugin:
implements: image_picker
platforms:
macos:
dartPluginClass: ImagePickerMacOS
dependencies:
file_selector_macos: ^0.9.1+1
file_selector_platform_interface: ^2.3.0
flutter:
sdk: flutter
image_picker_platform_interface: ^2.7.0
dev_dependencies:
build_runner: ^2.1.5
flutter_test:
sdk: flutter
mockito: 5.4.1

154
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// Copyright 2013 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:file_selector_platform_interface/file_selector_platform_interface.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:image_picker_macos/image_picker_macos.dart';
import 'package:image_picker_platform_interface/image_picker_platform_interface.dart';
import 'package:mockito/annotations.dart';
import 'package:mockito/mockito.dart';
import 'image_picker_macos_test.mocks.dart';
@GenerateMocks(<Type>[FileSelectorPlatform])
void main() {
TestWidgetsFlutterBinding.ensureInitialized();
// Returns the captured type groups from a mock call result, assuming that
// exactly one call was made and only the type groups were captured.
List<XTypeGroup> capturedTypeGroups(VerificationResult result) {
return result.captured.single as List<XTypeGroup>;
}
late ImagePickerMacOS plugin;
late MockFileSelectorPlatform mockFileSelectorPlatform;
setUp(() {
plugin = ImagePickerMacOS();
mockFileSelectorPlatform = MockFileSelectorPlatform();
when(mockFileSelectorPlatform.openFile(
acceptedTypeGroups: anyNamed('acceptedTypeGroups')))
.thenAnswer((_) async => null);
when(mockFileSelectorPlatform.openFiles(
acceptedTypeGroups: anyNamed('acceptedTypeGroups')))
.thenAnswer((_) async => List<XFile>.empty());
ImagePickerMacOS.fileSelector = mockFileSelectorPlatform;
});
test('registered instance', () {
ImagePickerMacOS.registerWith();
expect(ImagePickerPlatform.instance, isA<ImagePickerMacOS>());
});
group('images', () {
test('pickImage passes the accepted type groups correctly', () async {
await plugin.pickImage(source: ImageSource.gallery);
final VerificationResult result = verify(mockFileSelectorPlatform
.openFile(acceptedTypeGroups: captureAnyNamed('acceptedTypeGroups')));
expect(capturedTypeGroups(result)[0].uniformTypeIdentifiers,
<String>['public.image']);
});
test('getImage passes the accepted type groups correctly', () async {
await plugin.getImage(source: ImageSource.gallery);
final VerificationResult result = verify(mockFileSelectorPlatform
.openFile(acceptedTypeGroups: captureAnyNamed('acceptedTypeGroups')));
expect(capturedTypeGroups(result)[0].uniformTypeIdentifiers,
<String>['public.image']);
});
test('getImageFromSource passes the accepted type groups correctly',
() async {
await plugin.getImageFromSource(source: ImageSource.gallery);
final VerificationResult result = verify(mockFileSelectorPlatform
.openFile(acceptedTypeGroups: captureAnyNamed('acceptedTypeGroups')));
expect(capturedTypeGroups(result)[0].uniformTypeIdentifiers,
<String>['public.image']);
});
test('getImageFromSource calls delegate when source is camera', () async {
const String fakePath = '/tmp/foo';
plugin.cameraDelegate = FakeCameraDelegate(result: XFile(fakePath));
expect(
(await plugin.getImageFromSource(source: ImageSource.camera))!.path,
fakePath);
});
test(
'getImageFromSource throws StateError when source is camera with no delegate',
() async {
await expectLater(plugin.getImageFromSource(source: ImageSource.camera),
throwsStateError);
});
test('getMultiImage passes the accepted type groups correctly', () async {
await plugin.getMultiImage();
final VerificationResult result = verify(
mockFileSelectorPlatform.openFiles(
acceptedTypeGroups: captureAnyNamed('acceptedTypeGroups')));
expect(capturedTypeGroups(result)[0].uniformTypeIdentifiers,
<String>['public.image']);
});
});
group('videos', () {
test('pickVideo passes the accepted type groups correctly', () async {
await plugin.pickVideo(source: ImageSource.gallery);
final VerificationResult result = verify(mockFileSelectorPlatform
.openFile(acceptedTypeGroups: captureAnyNamed('acceptedTypeGroups')));
expect(capturedTypeGroups(result)[0].uniformTypeIdentifiers,
<String>['public.movie']);
});
test('getVideo passes the accepted type groups correctly', () async {
await plugin.getVideo(source: ImageSource.gallery);
final VerificationResult result = verify(mockFileSelectorPlatform
.openFile(acceptedTypeGroups: captureAnyNamed('acceptedTypeGroups')));
expect(capturedTypeGroups(result)[0].uniformTypeIdentifiers,
<String>['public.movie']);
});
test('getVideo calls delegate when source is camera', () async {
const String fakePath = '/tmp/foo';
plugin.cameraDelegate = FakeCameraDelegate(result: XFile(fakePath));
expect(
(await plugin.getVideo(source: ImageSource.camera))!.path, fakePath);
});
test('getVideo throws StateError when source is camera with no delegate',
() async {
await expectLater(
plugin.getVideo(source: ImageSource.camera), throwsStateError);
});
});
}
class FakeCameraDelegate extends ImagePickerCameraDelegate {
FakeCameraDelegate({this.result});
XFile? result;
@override
Future<XFile?> takePhoto(
{ImagePickerCameraDelegateOptions options =
const ImagePickerCameraDelegateOptions()}) async {
return result;
}
@override
Future<XFile?> takeVideo(
{ImagePickerCameraDelegateOptions options =
const ImagePickerCameraDelegateOptions()}) async {
return result;
}
}

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// Mocks generated by Mockito 5.4.0 from annotations
// in image_picker_macos/test/image_picker_macos_test.dart.
// Do not manually edit this file.
// ignore_for_file: no_leading_underscores_for_library_prefixes
import 'dart:async' as _i3;
import 'package:file_selector_platform_interface/file_selector_platform_interface.dart'
as _i2;
import 'package:mockito/mockito.dart' as _i1;
// ignore_for_file: type=lint
// ignore_for_file: avoid_redundant_argument_values
// ignore_for_file: avoid_setters_without_getters
// ignore_for_file: comment_references
// ignore_for_file: implementation_imports
// ignore_for_file: invalid_use_of_visible_for_testing_member
// ignore_for_file: prefer_const_constructors
// ignore_for_file: unnecessary_parenthesis
// ignore_for_file: camel_case_types
// ignore_for_file: subtype_of_sealed_class
/// A class which mocks [FileSelectorPlatform].
///
/// See the documentation for Mockito's code generation for more information.
class MockFileSelectorPlatform extends _i1.Mock
implements _i2.FileSelectorPlatform {
MockFileSelectorPlatform() {
_i1.throwOnMissingStub(this);
}
@override
_i3.Future<_i2.XFile?> openFile({
List<_i2.XTypeGroup>? acceptedTypeGroups,
String? initialDirectory,
String? confirmButtonText,
}) =>
(super.noSuchMethod(
Invocation.method(
#openFile,
[],
{
#acceptedTypeGroups: acceptedTypeGroups,
#initialDirectory: initialDirectory,
#confirmButtonText: confirmButtonText,
},
),
returnValue: _i3.Future<_i2.XFile?>.value(),
) as _i3.Future<_i2.XFile?>);
@override
_i3.Future<List<_i2.XFile>> openFiles({
List<_i2.XTypeGroup>? acceptedTypeGroups,
String? initialDirectory,
String? confirmButtonText,
}) =>
(super.noSuchMethod(
Invocation.method(
#openFiles,
[],
{
#acceptedTypeGroups: acceptedTypeGroups,
#initialDirectory: initialDirectory,
#confirmButtonText: confirmButtonText,
},
),
returnValue: _i3.Future<List<_i2.XFile>>.value(<_i2.XFile>[]),
) as _i3.Future<List<_i2.XFile>>);
@override
_i3.Future<String?> getSavePath({
List<_i2.XTypeGroup>? acceptedTypeGroups,
String? initialDirectory,
String? suggestedName,
String? confirmButtonText,
}) =>
(super.noSuchMethod(
Invocation.method(
#getSavePath,
[],
{
#acceptedTypeGroups: acceptedTypeGroups,
#initialDirectory: initialDirectory,
#suggestedName: suggestedName,
#confirmButtonText: confirmButtonText,
},
),
returnValue: _i3.Future<String?>.value(),
) as _i3.Future<String?>);
@override
_i3.Future<String?> getDirectoryPath({
String? initialDirectory,
String? confirmButtonText,
}) =>
(super.noSuchMethod(
Invocation.method(
#getDirectoryPath,
[],
{
#initialDirectory: initialDirectory,
#confirmButtonText: confirmButtonText,
},
),
returnValue: _i3.Future<String?>.value(),
) as _i3.Future<String?>);
@override
_i3.Future<List<String>> getDirectoryPaths({
String? initialDirectory,
String? confirmButtonText,
}) =>
(super.noSuchMethod(
Invocation.method(
#getDirectoryPaths,
[],
{
#initialDirectory: initialDirectory,
#confirmButtonText: confirmButtonText,
},
),
returnValue: _i3.Future<List<String>>.value(<String>[]),
) as _i3.Future<List<String>>);
}

2
packages/image_picker/image_picker_windows/AUTHORS
View File

@ -4,4 +4,4 @@
# Name/Organization <email address> # Name/Organization <email address>
Google Inc. Google Inc.
Alexandre Zollinger Chohfi <alzollin@microsoft.com> Alexandre Zollinger Chohfi <alzollin@microsoft.com>

2
packages/image_picker/image_picker_windows/CHANGELOG.md
View File

@ -1,4 +1,4 @@
## NEXT ## 0.2.0
* Updates minimum Flutter version to 3.3. * Updates minimum Flutter version to 3.3.

21
packages/image_picker/image_picker_windows/README.md
View File

@ -2,19 +2,26 @@
A Windows implementation of [`image_picker`][1]. A Windows implementation of [`image_picker`][1].
## Limitations
`ImageSource.camera` is not supported unless a `cameraDelegate` is set.
### pickImage() ### pickImage()
The arguments `source`, `maxWidth`, `maxHeight`, `imageQuality`, and `preferredCameraDevice` are not supported on Windows. The arguments `maxWidth`, `maxHeight`, and `imageQuality` are not currently supported.
### pickVideo() ### pickVideo()
The arguments `source`, `preferredCameraDevice`, and `maxDuration` are not supported on Windows. The argument `maxDuration` is not currently supported.
## Usage ## Usage
### Import the package ### Import the package
This package is not yet [endorsed](https://flutter.dev/docs/development/packages-and-plugins/developing-packages#endorsed-federated-plugin), This package is [endorsed][2], which means you can simply use `file_selector`
which means you need to [add `image_picker_windows` as a dependency](https://pub.dev/packages/image_picker_windows/install) normally. This package will be automatically included in your app when you do,
in addition to `image_picker`. so you do not need to add it to your `pubspec.yaml`.
Once you do, you can use the `image_picker` APIs as you normally would, other However, if you `import` this package to use any of its APIs directly, you
than the limitations noted above. should add it to your `pubspec.yaml` as usual.
[1]: https://pub.dev/packages/image_picker
[2]: https://flutter.dev/docs/development/packages-and-plugins/developing-packages#endorsed-federated-plugin

70
packages/image_picker/image_picker_windows/example/lib/main.dart
View File

@ -37,11 +37,11 @@ class MyHomePage extends StatefulWidget {
} }
class _MyHomePageState extends State<MyHomePage> { class _MyHomePageState extends State<MyHomePage> {
List<PickedFile>? _imageFileList; List<XFile>? _imageFileList;
// This must be called from within a setState() callback // This must be called from within a setState() callback
void _setImageFileListFromFile(PickedFile? value) { void _setImageFileListFromFile(XFile? value) {
_imageFileList = value == null ? null : <PickedFile>[value]; _imageFileList = value == null ? null : <XFile>[value];
} }
dynamic _pickImageError; dynamic _pickImageError;
@ -56,7 +56,7 @@ class _MyHomePageState extends State<MyHomePage> {
final TextEditingController maxHeightController = TextEditingController(); final TextEditingController maxHeightController = TextEditingController();
final TextEditingController qualityController = TextEditingController(); final TextEditingController qualityController = TextEditingController();
Future<void> _playVideo(PickedFile? file) async { Future<void> _playVideo(XFile? file) async {
if (file != null && mounted) { if (file != null && mounted) {
await _disposeVideoController(); await _disposeVideoController();
final VideoPlayerController controller = final VideoPlayerController controller =
@ -74,7 +74,7 @@ class _MyHomePageState extends State<MyHomePage> {
await _displayPickImageDialog(context, await _displayPickImageDialog(context,
(double? maxWidth, double? maxHeight, int? quality) async { (double? maxWidth, double? maxHeight, int? quality) async {
try { try {
final List<PickedFile>? pickedFileList = await _picker.pickMultiImage( final List<XFile>? pickedFileList = await _picker.getMultiImage(
maxWidth: maxWidth, maxWidth: maxWidth,
maxHeight: maxHeight, maxHeight: maxHeight,
imageQuality: quality, imageQuality: quality,
@ -95,11 +95,13 @@ class _MyHomePageState extends State<MyHomePage> {
await _displayPickImageDialog(context, await _displayPickImageDialog(context,
(double? maxWidth, double? maxHeight, int? quality) async { (double? maxWidth, double? maxHeight, int? quality) async {
try { try {
final PickedFile? pickedFile = await _picker.pickImage( final XFile? pickedFile = await _picker.getImageFromSource(
source: source, source: source,
maxWidth: maxWidth, options: ImagePickerOptions(
maxHeight: maxHeight, maxWidth: maxWidth,
imageQuality: quality, maxHeight: maxHeight,
imageQuality: quality,
),
); );
setState(() { setState(() {
_setImageFileListFromFile(pickedFile); _setImageFileListFromFile(pickedFile);
@ -119,7 +121,7 @@ class _MyHomePageState extends State<MyHomePage> {
} }
if (context.mounted) { if (context.mounted) {
if (_isVideo) { if (_isVideo) {
final PickedFile? file = await _picker.pickVideo( final XFile? file = await _picker.getVideo(
source: source, maxDuration: const Duration(seconds: 10)); source: source, maxDuration: const Duration(seconds: 10));
await _playVideo(file); await _playVideo(file);
} else if (isMultiImage) { } else if (isMultiImage) {
@ -253,18 +255,19 @@ class _MyHomePageState extends State<MyHomePage> {
child: const Icon(Icons.photo_library), child: const Icon(Icons.photo_library),
), ),
), ),
Padding( if (_picker.supportsImageSource(ImageSource.camera))
padding: const EdgeInsets.only(top: 16.0), Padding(
child: FloatingActionButton( padding: const EdgeInsets.only(top: 16.0),
onPressed: () { child: FloatingActionButton(
_isVideo = false; onPressed: () {
_onImageButtonPressed(ImageSource.camera, context: context); _isVideo = false;
}, _onImageButtonPressed(ImageSource.camera, context: context);
heroTag: 'image2', },
tooltip: 'Take a Photo', heroTag: 'image2',
child: const Icon(Icons.camera_alt), tooltip: 'Take a Photo',
child: const Icon(Icons.camera_alt),
),
), ),
),
Padding( Padding(
padding: const EdgeInsets.only(top: 16.0), padding: const EdgeInsets.only(top: 16.0),
child: FloatingActionButton( child: FloatingActionButton(
@ -278,19 +281,20 @@ class _MyHomePageState extends State<MyHomePage> {
child: const Icon(Icons.video_library), child: const Icon(Icons.video_library),
), ),
), ),
Padding( if (_picker.supportsImageSource(ImageSource.camera))
padding: const EdgeInsets.only(top: 16.0), Padding(
child: FloatingActionButton( padding: const EdgeInsets.only(top: 16.0),
backgroundColor: Colors.red, child: FloatingActionButton(
onPressed: () { backgroundColor: Colors.red,
_isVideo = true; onPressed: () {
_onImageButtonPressed(ImageSource.camera, context: context); _isVideo = true;
}, _onImageButtonPressed(ImageSource.camera, context: context);
heroTag: 'video1', },
tooltip: 'Take a Video', heroTag: 'video1',
child: const Icon(Icons.videocam), tooltip: 'Take a Video',
child: const Icon(Icons.videocam),
),
), ),
),
], ],
), ),
); );

2
packages/image_picker/image_picker_windows/example/pubspec.yaml
View File

@ -10,7 +10,7 @@ environment:
dependencies: dependencies:
flutter: flutter:
sdk: flutter sdk: flutter
image_picker_platform_interface: ^2.4.3 image_picker_platform_interface: ^2.7.0
image_picker_windows: image_picker_windows:
# When depending on this package from a real application you should use: # When depending on this package from a real application you should use:
# image_picker_windows: ^x.y.z # image_picker_windows: ^x.y.z

121
packages/image_picker/image_picker_windows/lib/image_picker_windows.dart
View File

@ -13,7 +13,7 @@ import 'package:image_picker_platform_interface/image_picker_platform_interface.
/// ///
/// This class implements the `package:image_picker` functionality for /// This class implements the `package:image_picker` functionality for
/// Windows. /// Windows.
class ImagePickerWindows extends ImagePickerPlatform { class ImagePickerWindows extends CameraDelegatingImagePickerPlatform {
/// Constructs a ImagePickerWindows. /// Constructs a ImagePickerWindows.
ImagePickerWindows(); ImagePickerWindows();
@ -53,11 +53,8 @@ class ImagePickerWindows extends ImagePickerPlatform {
ImagePickerPlatform.instance = ImagePickerWindows(); ImagePickerPlatform.instance = ImagePickerWindows();
} }
// `maxWidth`, `maxHeight`, `imageQuality` and `preferredCameraDevice` // This is soft-deprecated in the platform interface, and is only implemented
// arguments are not supported on Windows. If any of these arguments // for compatibility. Callers should be using getImageFromSource.
// is supplied, it'll be silently ignored by the Windows version of
// the plugin. `source` is not implemented for `ImageSource.camera`
// and will throw an exception.
@override @override
Future<PickedFile?> pickImage({ Future<PickedFile?> pickImage({
required ImageSource source, required ImageSource source,
@ -66,23 +63,21 @@ class ImagePickerWindows extends ImagePickerPlatform {
int? imageQuality, int? imageQuality,
CameraDevice preferredCameraDevice = CameraDevice.rear, CameraDevice preferredCameraDevice = CameraDevice.rear,
}) async { }) async {
final XFile? file = await getImage( final XFile? file = await getImageFromSource(
source: source, source: source,
maxWidth: maxWidth, options: ImagePickerOptions(
maxHeight: maxHeight, maxWidth: maxWidth,
imageQuality: imageQuality, maxHeight: maxHeight,
preferredCameraDevice: preferredCameraDevice); imageQuality: imageQuality,
preferredCameraDevice: preferredCameraDevice));
if (file != null) { if (file != null) {
return PickedFile(file.path); return PickedFile(file.path);
} }
return null; return null;
} }
// `preferredCameraDevice` and `maxDuration` arguments are not // This is soft-deprecated in the platform interface, and is only implemented
// supported on Windows. If any of these arguments is supplied, // for compatibility. Callers should be using getVideo.
// it'll be silently ignored by the Windows version of the plugin.
// `source` is not implemented for `ImageSource.camera` and will
// throw an exception.
@override @override
Future<PickedFile?> pickVideo({ Future<PickedFile?> pickVideo({
required ImageSource source, required ImageSource source,
@ -99,11 +94,8 @@ class ImagePickerWindows extends ImagePickerPlatform {
return null; return null;
} }
// `maxWidth`, `maxHeight`, `imageQuality`, and `preferredCameraDevice` // This is soft-deprecated in the platform interface, and is only implemented
// arguments are not supported on Windows. If any of these arguments // for compatibility. Callers should be using getImageFromSource.
// is supplied, it'll be silently ignored by the Windows version
// of the plugin. `source` is not implemented for `ImageSource.camera`
// and will throw an exception.
@override @override
Future<XFile?> getImage({ Future<XFile?> getImage({
required ImageSource source, required ImageSource source,
@ -112,46 +104,73 @@ class ImagePickerWindows extends ImagePickerPlatform {
int? imageQuality, int? imageQuality,
CameraDevice preferredCameraDevice = CameraDevice.rear, CameraDevice preferredCameraDevice = CameraDevice.rear,
}) async { }) async {
if (source != ImageSource.gallery) { return getImageFromSource(
// TODO(azchohfi): Support ImageSource.camera. source: source,
// See https://github.com/flutter/flutter/issues/102115 options: ImagePickerOptions(
throw UnimplementedError( maxWidth: maxWidth,
'ImageSource.gallery is currently the only supported source on Windows'); maxHeight: maxHeight,
} imageQuality: imageQuality,
const XTypeGroup typeGroup = preferredCameraDevice: preferredCameraDevice));
XTypeGroup(label: 'images', extensions: imageFormats);
final XFile? file = await fileSelector
.openFile(acceptedTypeGroups: <XTypeGroup>[typeGroup]);
return file;
} }
// `preferredCameraDevice` and `maxDuration` arguments are not // [ImagePickerOptions] options are not currently supported. If any
// supported on Windows. If any of these arguments is supplied, // of its fields are set, they will be silently ignored.
// it'll be silently ignored by the Windows version of the plugin. //
// `source` is not implemented for `ImageSource.camera` and will // If source is `ImageSource.camera`, a `StateError` will be thrown
// throw an exception. // unless a [cameraDelegate] is set.
@override
Future<XFile?> getImageFromSource({
required ImageSource source,
ImagePickerOptions options = const ImagePickerOptions(),
}) async {
switch (source) {
case ImageSource.camera:
return super.getImageFromSource(source: source);
case ImageSource.gallery:
const XTypeGroup typeGroup =
XTypeGroup(label: 'Images', extensions: imageFormats);
final XFile? file = await fileSelector
.openFile(acceptedTypeGroups: <XTypeGroup>[typeGroup]);
return file;
}
// Ensure that there's a fallback in case a new source is added.
// ignore: dead_code
throw UnimplementedError('Unknown ImageSource: $source');
}
// `preferredCameraDevice` and `maxDuration` arguments are not currently
// supported. If either of these arguments are supplied, they will be silently
// ignored.
//
// If source is `ImageSource.camera`, a `StateError` will be thrown
// unless a [cameraDelegate] is set.
@override @override
Future<XFile?> getVideo({ Future<XFile?> getVideo({
required ImageSource source, required ImageSource source,
CameraDevice preferredCameraDevice = CameraDevice.rear, CameraDevice preferredCameraDevice = CameraDevice.rear,
Duration? maxDuration, Duration? maxDuration,
}) async { }) async {
if (source != ImageSource.gallery) { switch (source) {
// TODO(azchohfi): Support ImageSource.camera. case ImageSource.camera:
// See https://github.com/flutter/flutter/issues/102115 return super.getVideo(
throw UnimplementedError( source: source,
'ImageSource.gallery is currently the only supported source on Windows'); preferredCameraDevice: preferredCameraDevice,
maxDuration: maxDuration);
case ImageSource.gallery:
const XTypeGroup typeGroup =
XTypeGroup(label: 'Videos', extensions: videoFormats);
final XFile? file = await fileSelector
.openFile(acceptedTypeGroups: <XTypeGroup>[typeGroup]);
return file;
} }
const XTypeGroup typeGroup = // Ensure that there's a fallback in case a new source is added.
XTypeGroup(label: 'videos', extensions: videoFormats); // ignore: dead_code
final XFile? file = await fileSelector throw UnimplementedError('Unknown ImageSource: $source');
.openFile(acceptedTypeGroups: <XTypeGroup>[typeGroup]);
return file;
} }
// `maxWidth`, `maxHeight`, and `imageQuality` arguments are not // `maxWidth`, `maxHeight`, and `imageQuality` arguments are not currently
// supported on Windows. If any of these arguments is supplied, // supported. If any of these arguments are supplied, they will be silently
// it'll be silently ignored by the Windows version of the plugin. // ignored.
@override @override
Future<List<XFile>> getMultiImage({ Future<List<XFile>> getMultiImage({
double? maxWidth, double? maxWidth,
@ -159,7 +178,7 @@ class ImagePickerWindows extends ImagePickerPlatform {
int? imageQuality, int? imageQuality,
}) async { }) async {
const XTypeGroup typeGroup = const XTypeGroup typeGroup =
XTypeGroup(label: 'images', extensions: imageFormats); XTypeGroup(label: 'Images', extensions: imageFormats);
final List<XFile> files = await fileSelector final List<XFile> files = await fileSelector
.openFiles(acceptedTypeGroups: <XTypeGroup>[typeGroup]); .openFiles(acceptedTypeGroups: <XTypeGroup>[typeGroup]);
return files; return files;

6
packages/image_picker/image_picker_windows/pubspec.yaml
View File

@ -2,7 +2,7 @@ name: image_picker_windows
description: Windows platform implementation of image_picker description: Windows platform implementation of image_picker
repository: https://github.com/flutter/packages/tree/main/packages/image_picker/image_picker_windows repository: https://github.com/flutter/packages/tree/main/packages/image_picker/image_picker_windows
issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+image_picker%22 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+image_picker%22
version: 0.1.0+6 version: 0.2.0
environment: environment:
sdk: ">=2.18.0 <4.0.0" sdk: ">=2.18.0 <4.0.0"
@ -17,10 +17,10 @@ flutter:
dependencies: dependencies:
file_selector_platform_interface: ^2.2.0 file_selector_platform_interface: ^2.2.0
file_selector_windows: ^0.8.2 file_selector_windows: ^0.9.0
flutter: flutter:
sdk: flutter sdk: flutter
image_picker_platform_interface: ^2.4.3 image_picker_platform_interface: ^2.7.0
dev_dependencies: dev_dependencies:
build_runner: ^2.1.5 build_runner: ^2.1.5

68
packages/image_picker/image_picker_windows/test/image_picker_windows_test.dart
View File

@ -21,11 +21,12 @@ void main() {
return result.captured.single as List<XTypeGroup>; return result.captured.single as List<XTypeGroup>;
} }
group('$ImagePickerWindows()', () { group('ImagePickerWindows', () {
final ImagePickerWindows plugin = ImagePickerWindows(); late ImagePickerWindows plugin;
late MockFileSelectorPlatform mockFileSelectorPlatform; late MockFileSelectorPlatform mockFileSelectorPlatform;
setUp(() { setUp(() {
plugin = ImagePickerWindows();
mockFileSelectorPlatform = MockFileSelectorPlatform(); mockFileSelectorPlatform = MockFileSelectorPlatform();
when(mockFileSelectorPlatform.openFile( when(mockFileSelectorPlatform.openFile(
@ -55,12 +56,6 @@ void main() {
ImagePickerWindows.imageFormats); ImagePickerWindows.imageFormats);
}); });
test('pickImage throws UnimplementedError when source is camera',
() async {
expect(() async => plugin.pickImage(source: ImageSource.camera),
throwsA(isA<UnimplementedError>()));
});
test('getImage passes the accepted type groups correctly', () async { test('getImage passes the accepted type groups correctly', () async {
await plugin.getImage(source: ImageSource.gallery); await plugin.getImage(source: ImageSource.gallery);
@ -71,10 +66,21 @@ void main() {
ImagePickerWindows.imageFormats); ImagePickerWindows.imageFormats);
}); });
test('getImage throws UnimplementedError when source is camera', test('getMultiImage passes the accepted type groups correctly', () async {
await plugin.getMultiImage();
final VerificationResult result = verify(
mockFileSelectorPlatform.openFiles(
acceptedTypeGroups: captureAnyNamed('acceptedTypeGroups')));
expect(capturedTypeGroups(result)[0].extensions,
ImagePickerWindows.imageFormats);
});
test(
'getImageFromSource throws StateError when source is camera with no delegate',
() async { () async {
expect(() async => plugin.getImage(source: ImageSource.camera), await expectLater(plugin.getImageFromSource(source: ImageSource.camera),
throwsA(isA<UnimplementedError>())); throwsStateError);
}); });
test('getMultiImage passes the accepted type groups correctly', () async { test('getMultiImage passes the accepted type groups correctly', () async {
@ -87,6 +93,7 @@ void main() {
ImagePickerWindows.imageFormats); ImagePickerWindows.imageFormats);
}); });
}); });
group('videos', () { group('videos', () {
test('pickVideo passes the accepted type groups correctly', () async { test('pickVideo passes the accepted type groups correctly', () async {
await plugin.pickVideo(source: ImageSource.gallery); await plugin.pickVideo(source: ImageSource.gallery);
@ -98,12 +105,6 @@ void main() {
ImagePickerWindows.videoFormats); ImagePickerWindows.videoFormats);
}); });
test('pickVideo throws UnimplementedError when source is camera',
() async {
expect(() async => plugin.pickVideo(source: ImageSource.camera),
throwsA(isA<UnimplementedError>()));
});
test('getVideo passes the accepted type groups correctly', () async { test('getVideo passes the accepted type groups correctly', () async {
await plugin.getVideo(source: ImageSource.gallery); await plugin.getVideo(source: ImageSource.gallery);
@ -114,11 +115,38 @@ void main() {
ImagePickerWindows.videoFormats); ImagePickerWindows.videoFormats);
}); });
test('getVideo throws UnimplementedError when source is camera', test('getVideo calls delegate when source is camera', () async {
const String fakePath = '/tmp/foo';
plugin.cameraDelegate = FakeCameraDelegate(result: XFile(fakePath));
expect((await plugin.getVideo(source: ImageSource.camera))!.path,
fakePath);
});
test('getVideo throws StateError when source is camera with no delegate',
() async { () async {
expect(() async => plugin.getVideo(source: ImageSource.camera), await expectLater(
throwsA(isA<UnimplementedError>())); plugin.getVideo(source: ImageSource.camera), throwsStateError);
}); });
}); });
}); });
} }
class FakeCameraDelegate extends ImagePickerCameraDelegate {
FakeCameraDelegate({this.result});
XFile? result;
@override
Future<XFile?> takePhoto(
{ImagePickerCameraDelegateOptions options =
const ImagePickerCameraDelegateOptions()}) async {
return result;
}
@override
Future<XFile?> takeVideo(
{ImagePickerCameraDelegateOptions options =
const ImagePickerCameraDelegateOptions()}) async {
return result;
}
}

1
script/configs/exclude_integration_linux.yaml
View File

@ -1,3 +1,4 @@
# Can't use Flutter integration tests due to native modal UI. # Can't use Flutter integration tests due to native modal UI.
- file_selector - file_selector
- file_selector_linux - file_selector_linux
- image_picker_linux

1
script/configs/exclude_integration_macos.yaml
View File

@ -1,3 +1,4 @@
# Can't use Flutter integration tests due to native modal UI. # Can't use Flutter integration tests due to native modal UI.
- file_selector - file_selector
- file_selector_macos - file_selector_macos
- image_picker_macos