### Install Packages

Source: https://github.com/jonataslaw/get_storage/blob/master/README.md

Command to fetch packages after updating pubspec.yaml.

```css
$ flutter packages get
```

--------------------------------

### SharedPreferences Implementation with Get Storage

Source: https://github.com/jonataslaw/get_storage/blob/master/README.md

Example of implementing SharedPreferences-like functionality using Get Storage, including default values and custom boxes.

```dart
class MyPref {
  static final _otherBox = () => GetStorage('MyPref');

  final username = ''.val('username');
  final age = 0.val('age');
  final price = 1000.val('price', getBox: _otherBox);

  // or
  final username2 = ReadWriteValue('username', '');
  final age2 = ReadWriteValue('age', 0);
  final price2 = ReadWriteValue('price', '', _otherBox);
}

void updateAge() {
  final age = 0.val('age');
  // or 
  final age = ReadWriteValue('age', 0, () => box);
  // or 
  final age = Get.find<MyPref>().age;

  age.val = 1; // will save to box
  final realAge = age.val; // will read from box
}

```

--------------------------------

### CMake Installation Rules

Source: https://github.com/jonataslaw/get_storage/blob/master/example/linux/CMakeLists.txt

Defines the installation process for the application bundle, including cleaning the build directory, setting installation paths for data and libraries, installing the executable, Flutter ICU data, Flutter library, bundled plugin libraries, assets, and the AOT library for non-Debug builds.

```cmake
# === Installation ===
# By default, "installing" just makes a relocatable bundle in the build
# directory.
set(BUILD_BUNDLE_DIR "${PROJECT_BINARY_DIR}/bundle")
if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
  set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE)
endif()

# Start with a clean build bundle directory every time.
install(CODE "
  file(REMOVE_RECURSE \"${BUILD_BUNDLE_DIR}/\")
  " COMPONENT Runtime)

set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data")
set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib")

install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}"
  COMPONENT Runtime)

install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
  COMPONENT Runtime)

install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
  COMPONENT Runtime)

if(PLUGIN_BUNDLED_LIBRARIES)
  install(FILES "${PLUGIN_BUNDLED_LIBRARIES}"
    DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
    COMPONENT Runtime)
endif()

# Fully re-copy the assets directory on each build to avoid having stale files
# from a previous install.
set(FLUTTER_ASSET_DIR_NAME "flutter_assets")
install(CODE "
  file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\")
  " COMPONENT Runtime)
install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}"
  DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime)

# Install the AOT library on non-Debug builds only.
if(NOT CMAKE_BUILD_TYPE MATCHES "Debug")
  install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
    COMPONENT Runtime)
endif()
```

--------------------------------

### Import Get Storage

Source: https://github.com/jonataslaw/get_storage/blob/master/README.md

How to import the Get Storage library into your Dart code.

```dart
import 'package:get_storage/get_storage.dart';

```

--------------------------------

### Initialize Storage Driver

Source: https://github.com/jonataslaw/get_storage/blob/master/README.md

Initializes the Get Storage driver. This must be awaited before using GetStorage.

```dart
main() async {
  await GetStorage.init();
  runApp(App());
}

```

--------------------------------

### Get Storage Instance

Source: https://github.com/jonataslaw/get_storage/blob/master/README.md

Obtain an instance of GetStorage to interact with the storage.

```dart
final box = GetStorage();

```

--------------------------------

### CMake Project Setup and Build Configuration

Source: https://github.com/jonataslaw/get_storage/blob/master/example/linux/CMakeLists.txt

Configures the CMake project, sets the binary name and application ID, defines build types (Debug, Profile, Release), and applies standard compilation settings like C++14 support, warning flags, optimization levels, and NDEBUG definition.

```cmake
cmake_minimum_required(VERSION 3.10)
project(runner LANGUAGES CXX)

set(BINARY_NAME "example")
set(APPLICATION_ID "com.example.example")

cmake_policy(SET CMP0063 NEW)

set(CMAKE_INSTALL_RPATH "$ORIGIN/lib")

# Configure build options.
if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
  set(CMAKE_BUILD_TYPE "Debug" CACHE
    STRING "Flutter build mode" FORCE)
  set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
    "Debug" "Profile" "Release")
endif()

# Compilation settings that should be applied to most targets.
function(APPLY_STANDARD_SETTINGS TARGET)
  target_compile_features(${TARGET} PUBLIC cxx_std_14)
  target_compile_options(${TARGET} PRIVATE -Wall -Werror)
  target_compile_options(${TARGET} PRIVATE "<$<NOT:$<CONFIG:Debug>>:-O3>")
  target_compile_definitions(${TARGET} PRIVATE "<$<NOT:$<CONFIG:Debug>>:NDEBUG>")
endfunction()

set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter")

# Flutter library and tool build rules.
add_subdirectory(${FLUTTER_MANAGED_DIR})

# System-level dependencies.
find_package(PkgConfig REQUIRED)
pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0)

add_definitions(-DAPPLICATION_ID="${APPLICATION_ID}")

# Application build
add_executable(${BINARY_NAME}
  "main.cc"
  "my_application.cc"
  "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc"
)
apply_standard_settings(${BINARY_NAME})
target_link_libraries(${BINARY_NAME} PRIVATE flutter)
target_link_libraries(${BINARY_NAME} PRIVATE PkgConfig::GTK)
add_dependencies(${BINARY_NAME} flutter_assemble)
# Only the install-generated bundle's copy of the executable will launch
# correctly, since the resources must in the right relative locations. To avoid
# people trying to run the unbundled copy, put it in a subdirectory instead of
# the default top-level location.
set_target_properties(${BINARY_NAME}
  PROPERTIES
  RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/intermediates_do_not_run"
)

# Generated plugin build rules, which manage building the plugins and adding
# them to the application.
include(flutter/generated_plugins.cmake)
```

--------------------------------

### Create and Use Named Containers

Source: https://github.com/jonataslaw/get_storage/blob/master/README.md

Demonstrates how to create and use separate storage containers with custom names.

```dart
GetStorage g = GetStorage('MyStorage');

// Initialize specific container:
await GetStorage.init('MyStorage');

```

--------------------------------

### Add Get Storage to pubspec

Source: https://github.com/jonataslaw/get_storage/blob/master/README.md

This snippet shows how to add the Get Storage dependency to your Flutter project's pubspec.yaml file.

```yaml
dependencies:
  get_storage:

```

--------------------------------

### Write Data

Source: https://github.com/jonataslaw/get_storage/blob/master/README.md

Writes a key-value pair to the storage.

```dart
box.write('quote', 'GetX is the best');

```

--------------------------------

### Listen to Key Changes

Source: https://github.com/jonataslaw/get_storage/blob/master/README.md

Listens for changes to a specific key in the storage.

```dart
box.listenKey('key', (value){
  print('new key is $value');
});

```

--------------------------------

### Listen to Storage Changes

Source: https://github.com/jonataslaw/get_storage/blob/master/README.md

Listens for any changes within the entire storage. Remember to dispose of the listener when no longer needed.

```dart
Function? disposeListen;
disposeListen = box.listen((){
  print('box changed');
});

// To dispose:
disposeListen?.call();

```

--------------------------------

### Remove Data

Source: https://github.com/jonataslaw/get_storage/blob/master/README.md

Removes a key-value pair from the storage.

```dart
box.remove('quote');

```

--------------------------------

### Erase All Data

Source: https://github.com/jonataslaw/get_storage/blob/master/README.md

Removes all key-value pairs from the storage.

```dart
box.erase();

```

--------------------------------

### Flutter Library and Dependency Setup

Source: https://github.com/jonataslaw/get_storage/blob/master/example/linux/flutter/CMakeLists.txt

This section configures the Flutter library integration for the Linux GTK project. It finds necessary system packages using PkgConfig, defines paths for the Flutter library and ICU data, and sets up include directories and link libraries for the Flutter interface target.

```cmake
# === Flutter Library ===
# System-level dependencies.
find_package(PkgConfig REQUIRED)
pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0)
pkg_check_modules(GLIB REQUIRED IMPORTED_TARGET glib-2.0)
pkg_check_modules(GIO REQUIRED IMPORTED_TARGET gio-2.0)
pkg_check_modules(BLKID REQUIRED IMPORTED_TARGET blkid)
pkg_check_modules(LZMA REQUIRED IMPORTED_TARGET liblzma)

set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/libflutter_linux_gtk.so")

# Published to parent scope for install step.
set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE)
set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE)
set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE)
set(AOT_LIBRARY "${PROJECT_DIR}/build/lib/libapp.so" PARENT_SCOPE)

list(APPEND FLUTTER_LIBRARY_HEADERS
  "fl_basic_message_channel.h"
  "fl_binary_codec.h"
  "fl_binary_messenger.h"
  "fl_dart_project.h"
  "fl_engine.h"
  "fl_json_message_codec.h"
  "fl_json_method_codec.h"
  "fl_message_codec.h"
  "fl_method_call.h"
  "fl_method_channel.h"
  "fl_method_codec.h"
  "fl_method_response.h"
  "fl_plugin_registrar.h"
  "fl_plugin_registry.h"
  "fl_standard_message_codec.h"
  "fl_standard_method_codec.h"
  "fl_string_codec.h"
  "fl_value.h"
  "fl_view.h"
  "flutter_linux.h"
)
list_prepend(FLUTTER_LIBRARY_HEADERS "${EPHEMERAL_DIR}/flutter_linux/")
add_library(flutter INTERFACE)
target_include_directories(flutter INTERFACE
  "${EPHEMERAL_DIR}"
)
target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}")
target_link_libraries(flutter INTERFACE
  PkgConfig::GTK
  PkgConfig::GLIB
  PkgConfig::GIO
  PkgConfig::BLKID
  PkgConfig::LZMA
)
add_dependencies(flutter flutter_assemble)
```

--------------------------------

### Read Data

Source: https://github.com/jonataslaw/get_storage/blob/master/README.md

Reads the value associated with a given key from the storage.

```dart
print(box.read('quote'));
// out: GetX is the best

```

--------------------------------

### Flutter Tool Backend Integration

Source: https://github.com/jonataslaw/get_storage/blob/master/example/linux/flutter/CMakeLists.txt

This snippet configures the custom command to run the Flutter tool backend script for building the Flutter library. It specifies the output files, environment variables, and the command to execute, ensuring the build process is triggered correctly.

```cmake
# === Flutter tool backend ===
# _phony_ is a non-existent file to force this command to run every time,
# since currently there's no way to get a full input/output list from the
# flutter tool.
add_custom_command(
  OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS}
    ${CMAKE_CURRENT_BINARY_DIR}/_phony_
  COMMAND ${CMAKE_COMMAND} -E env
    ${FLUTTER_TOOL_ENVIRONMENT}
    "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.sh"
      linux-x64 ${CMAKE_BUILD_TYPE}
)
add_custom_target(flutter_assemble DEPENDS
  "${FLUTTER_LIBRARY}"
  ${FLUTTER_LIBRARY_HEADERS}
)
```

--------------------------------

### CMake Build Configuration for Flutter Linux GTK

Source: https://github.com/jonataslaw/get_storage/blob/master/example/linux/flutter/CMakeLists.txt

This snippet outlines the main CMake configuration for a Flutter Linux GTK project. It sets the minimum CMake version, defines the ephemeral directory, includes generated configuration, and defines a helper function for list manipulation.

```cmake
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()
```

--------------------------------

### Service Worker Registration

Source: https://github.com/jonataslaw/get_storage/blob/master/example/web/index.html

Registers the Flutter service worker if the browser supports service workers. This is typically used for Progressive Web Apps (PWAs) to enable offline functionality and background updates.

```javascript
if ('serviceWorker' in navigator) {
  window.addEventListener('load', function () {
    navigator.serviceWorker.register('flutter_service_worker.js');
  });
}
```

=== COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.