| ArkUI | [MouseEvent](https://gitee.com/openharmony/applications_app_samples/tree/master/ETSUI/MouseEvent) | This sample simulates a minesweeper game that calls mouse event-related APIs.| eTS |
| ArkUI | [Vibrator](https://gitee.com/openharmony/applications_app_samples/tree/master/device/Vibrator) | This sample simulates the countdown scenario to show the use of the vibrator APIs.| eTS |
| DFX | [FaultLogger](https://gitee.com/openharmony/applications_app_samples/tree/master/DFX/FaultLogger) | This sample illustrates how to obtain fault information of an application in eTS.| eTS |
| ArkUI | [Vibrator](https://gitee.com/openharmony/applications_app_samples/tree/master/code/BasicFeature/DeviceManagement/Vibrator) | This sample simulates the countdown scenario to show the use of the vibrator APIs.| eTS |
| DFX | [FaultLogger](https://gitee.com/openharmony/applications_app_samples/tree/master/code/BasicFeature/DFX/FaultLogger) | This sample illustrates how to obtain fault information of an application in eTS.| eTS |
| ArkUI | [Gallery](https://gitee.com/openharmony/applications_app_samples/tree/master/ETSUI/Gallery) | This sample demonstrates the functions of different components such as universal events, universal attributes, and gestures.| eTS |
| Graphics| [JsWebGL](https://gitee.com/openharmony/applications_app_samples/tree/master/Graphics/JsWebGL) | This sample shows how to use WebGL APIs to draw pentagrams and rectangles by invoking GPU resources.| JS |
| ArkUI | [Clock](https://gitee.com/openharmony/applications_app_samples/tree/master/Preset/Clock) | This sample exemplifies how to implement a simple clock application using the eTS UI capability.| eTS |
| Network management| [Http](https://gitee.com/openharmony/applications_app_samples/tree/master/Network/Http) | This sample simulates Postman, which requires the input of an API address and outputs the data obtained, to show the use of the data request APIs.| eTS |
| ArkUI | [Clock](https://gitee.com/openharmony/applications_app_samples/tree/master/code/Solutions/Tools/ArkTSClock) | This sample exemplifies how to implement a simple clock application using the eTS UI capability.| eTS |
| Network management| [Http](https://gitee.com/openharmony/applications_app_samples/tree/master/code/BasicFeature/Connectivity/Http) | This sample simulates Postman, which requires the input of an API address and outputs the data obtained, to show the use of the data request APIs.| eTS |
| Network management| [Socket](https://gitee.com/openharmony/applications_app_samples/tree/master/Network/Socket) | This sample demonstrates the application of Socket in network communication, including connection authentication and chat communication between two devices.| eTS |
| Distributed data management| [DistributedRdb](https://gitee.com/openharmony/applications_app_samples/tree/master/data/DistributedRdb) | This sample shows how to add, delete, modify, query, and synchronize data in the distributed relational database with eTS.| eTS |
| Ability| [BackgroundTaskManager](https://gitee.com/openharmony/applications_app_samples/tree/master/ResourcesSchedule/BackgroundTaskManager) | This sample simulates the download function. Being processed by the background task management, a download task can continue after the application exits. It stops until the download is complete.| eTS |
| Ability| [BringApp](https://gitee.com/openharmony/applications_app_samples/tree/master/ETSUI/BringApp) | This sample uses the **FeatureAbility** APIs to start a system application based on the application's bundle name and ability name.| eTS |
| Media| [VideoPlayer](https://gitee.com/openharmony/applications_app_samples/tree/master/media/VideoPlayer) | This sample shows how to play a video using the **VideoPlayer** APIs in eTS. It also provides an ability that can be invoked by other applications to play the video.| eTS |
| Ability| [DistributeCalc](https://gitee.com/openharmony/applications_app_samples/tree/master/Preset/DistributeCalc) | This sample implements a simple calculator application using JS distributed features. The calculator can perform simple numerical calculations and start a remote calculator FA to perform collaborative calculation.| eTS |
| Web | [Browser](https://gitee.com/openharmony/applications_app_samples/tree/master/device/Browser) | This sample uses the stage model and related APIs to show a simple browser.| eTS |
| Ability| [DeviceUsageStatistics](https://gitee.com/openharmony/applications_app_samples/tree/master/device/DeviceUsageStatistics) | This sample shows the device usage statistics.| eTS |
| ArkUI | [AdaptiveCapabilities](https://gitee.com/openharmony/applications_app_samples/tree/master/MultiDeviceAppDev/AdaptiveCapabilities) | This sample shows multi-device adaptation in eTS, including resource qualifiers, atomic layouts, and responsive layouts.| eTS |
| ArkUI | [Game2048](https://gitee.com/openharmony/applications_app_samples/tree/master/ETSUI/Game2048) | This sample shows how to develop a 2048 game using the **\<Grid>** component.| eTS |
| Window Manager| [Window](https://gitee.com/openharmony/applications_app_samples/tree/master/Graphics/Window) | This sample shows how to create a window, display an application over another application in the form of a floating window, and display an application on split screens.| eTS |
| Distributed data management| [Preference](https://gitee.com/openharmony/applications_app_samples/tree/master/data/Preferences) | This sample shows the theme switching function of preferences.| eTS |
| Distributed data management| [DistributedRdb](https://gitee.com/openharmony/applications_app_samples/tree/master/code/SuperFeature/DistributedAppDev/DistributedRdb) | This sample shows how to add, delete, modify, query, and synchronize data in the distributed relational database with eTS.| eTS |
| Ability| [BackgroundTaskManager](https://gitee.com/openharmony/applications_app_samples/tree/master/code/BasicFeature/TaskManagement/WorkScheduler) | This sample simulates the download function. Being processed by the background task management, a download task can continue after the application exits. It stops until the download is complete.| eTS |
| Ability| [BringApp](https://gitee.com/openharmony/applications_app_samples/tree/master/code/BasicFeature/ApplicationModels/AbilityStartMode) | This sample uses the **FeatureAbility** APIs to start a system application based on the application's bundle name and ability name.| eTS |
| Media| [VideoPlayer](https://gitee.com/openharmony/applications_app_samples/tree/master/code/BasicFeature/FileManagement/MediaCollections) | This sample shows how to play a video using the **VideoPlayer** APIs in eTS. It also provides an ability that can be invoked by other applications to play the video.| eTS |
| Ability| [DistributeCalc](https://gitee.com/openharmony/applications_app_samples/tree/master/code/SuperFeature/DistributedAppDev/ArkTSDistributedCalc) | This sample implements a simple calculator application using JS distributed features. The calculator can perform simple numerical calculations and start a remote calculator FA to perform collaborative calculation.| eTS |
| Web | [Browser](https://gitee.com/openharmony/applications_app_samples/tree/master/code/BasicFeature/Web/Browser) | This sample uses the stage model and related APIs to show a simple browser.| eTS |
| Ability| [DeviceUsageStatistics](https://gitee.com/openharmony/applications_app_samples/tree/master/code/BasicFeature/DeviceUsageStatistics/DeviceUsageStatistics) | This sample shows the device usage statistics.| eTS |
| ArkUI | [AdaptiveCapabilities](https://gitee.com/openharmony/applications_app_samples/tree/master/code/SuperFeature/MultiDeviceAppDev/AdaptiveCapabilities) | This sample shows multi-device adaptation in eTS, including resource qualifiers, atomic layouts, and responsive layouts.| eTS |
| ArkUI | [Game2048](https://gitee.com/openharmony/applications_app_samples/tree/master/code/Solutions/Game/Game2048) | This sample shows how to develop a 2048 game using the **\<Grid>** component.| eTS |
| Window Manager| [Window](https://gitee.com/openharmony/applications_app_samples/tree/master/code/SuperFeature/MultiDeviceAppDev/Settings) | This sample shows how to create a window, display an application over another application in the form of a floating window, and display an application on split screens.| eTS |
| Distributed data management| [Preference](https://gitee.com/openharmony/applications_app_samples/tree/master/code/BasicFeature/DataManagement/Preferences) | This sample shows the theme switching function of preferences.| eTS |
| ArkUI | [NativeAPI](https://gitee.com/openharmony/app_samples/tree/master/Native/NativeAPI) | This sample shows how to call C++ APIs in eTS and how C++ APIs call back JS APIs to play the Gomoku game. The native APIs implement the calculation logic, and eTS implements UI rendering and re-rendering.| eTS/C++ |
| Globalization| [International](https://gitee.com/openharmony/applications_app_samples/tree/master/common/International) | This sample shows how to use APIs related to i18n, intl, and resourceManager in eTS to set the system language, region, time, and time zone. It also provides locale setting examples.| eTS |
| Globalization| [International](https://gitee.com/openharmony/applications_app_samples/tree/master/code/SystemFeature/Internationalnation/International) | This sample shows how to use APIs related to i18n, intl, and resourceManager in eTS to set the system language, region, time, and time zone. It also provides locale setting examples.| eTS |
For more information, visit [Samples](https://gitee.com/openharmony/applications_app_samples).
| ArkUI development framework| [HealthyDiet](https://gitee.com/openharmony/applications_app_samples/tree/master/ETSUI/HealthyDiet)| This sample app helps you keep food records and view food information. After you add food records, including the food type, weight, and meal time, the app can calculate nutrition data (calories, proteins, fats, and carbon water) for the meals and display the data in a bar chart.| eTS |
| ArkUI development framework| [MusicAlbum](https://gitee.com/openharmony/applications_app_samples/tree/master/MultiDeviceAppDev/MusicAlbum)| This sample shows the home page of a music album app. The adaptive layout and responsive layout are used to ensure that the app can be properly displayed on devices irrespective of screen sizes.| eTS |
| Ability framework and file management subsystem| [Share](https://gitee.com/openharmony/applications_app_samples/tree/master/Share/CustomShare)| Using this sample app, you can share texts, links, and images with third-party applications and display them in these applications.| eTS |
| ArkUI development framework| [HealthyDiet](https://gitee.com/openharmony/applications_app_samples/tree/master/code/SuperFeature/MultiDeviceAppDev/HealthyDiet)| This sample app helps you keep food records and view food information. After you add food records, including the food type, weight, and meal time, the app can calculate nutrition data (calories, proteins, fats, and carbon water) for the meals and display the data in a bar chart.| eTS |
| ArkUI development framework| [MusicAlbum](https://gitee.com/openharmony/applications_app_samples/tree/master/code/SuperFeature/MultiDeviceAppDev/MusicAlbum)| This sample shows the home page of a music album app. The adaptive layout and responsive layout are used to ensure that the app can be properly displayed on devices irrespective of screen sizes.| eTS |
| Ability framework and file management subsystem| [Share](https://gitee.com/openharmony/applications_app_samples/tree/master/code/BasicFeature/ApplicationModels/CustomShare)| Using this sample app, you can share texts, links, and images with third-party applications and display them in these applications.| eTS |
| Ability framework| [GalleryForm](https://gitee.com/openharmony/applications_app_samples/tree/master/ability/GalleryForm)| This sample demonstrates the display of **Gallery** images in a widget and periodic update of the widget.| eTS |
| ArkUI development framework| [AppMarket](https://gitee.com/openharmony/applications_app_samples/tree/master/MultiDeviceAppDev/AppMarket)| This sample shows the home page of an application market, which contains the tab bar, banner, featured apps, and featured games.| eTS |
| ArkUI development framework| [Weather](https://gitee.com/openharmony/applications_app_samples/tree/master/MultiDeviceAppDev/Weather)| This sample demonstrates one-time development for multi-device deployment by showing how to develop a weather app and deploy it across different devices. The demo app includes the following: home page, **Manage City** page, **Add City** page, and **Update Time** page.| eTS |
| Multimedia subsystem| [MediaCollections](https://gitee.com/openharmony/applications_app_samples/tree/master/media/MediaCollections)| This sample shows the capabilities of online streaming, audio and video playback control, and volume adjustment.| eTS |
| ArkUI development framework| [AppMarket](https://gitee.com/openharmony/applications_app_samples/tree/master/code/SuperFeature/MultiDeviceAppDev/AppMarket)| This sample shows the home page of an application market, which contains the tab bar, banner, featured apps, and featured games.| eTS |
| ArkUI development framework| [Weather](https://gitee.com/openharmony/applications_app_samples/tree/master/code/SuperFeature/MultiDeviceAppDev/Weather)| This sample demonstrates one-time development for multi-device deployment by showing how to develop a weather app and deploy it across different devices. The demo app includes the following: home page, **Manage City** page, **Add City** page, and **Update Time** page.| eTS |
| Multimedia subsystem| [MediaCollections](https://gitee.com/openharmony/applications_app_samples/tree/master/code/BasicFeature/FileManagement/MediaCollections)| This sample shows the capabilities of online streaming, audio and video playback control, and volume adjustment.| eTS |
For more information, visit [Samples](https://gitee.com/openharmony/app_samples).
For more information, visit [Samples](https://gitee.com/openharmony/applications_app_samples).
| Common event and notification subsystem| [Event Notification](https://gitee.com/openharmony/applications_app_samples/tree/master/Notification/CustomEmitter)| This sample shows the in-process event notification. After a user selects an offering and submits an order, the selected offering is displayed in the order list.|
| Data management subsystem| [Cross-Application Data Sharing](https://gitee.com/openharmony/applications_app_samples/tree/master/data/CrossAppDataShare)| This sample implements cross-application data sharing. It provides contacts (data provider) and contacts assistant (data user). Contacts support functionalities such as adding, deleting, modifying, and querying contacts data. Contacts assistant supports contacts data synchronization and merging of duplicate data.|
| Multimedia subsystem| [Background Music Playback](https://gitee.com/openharmony/applications_app_samples/tree/master/ResourcesSchedule/PlayMusicBackground)| This sample implements the request for a continuous task to continue music playback in the background. It is based on the stage model.|
| Resource scheduler subsystem| [Agent-Powered Scheduled Reminder](https://gitee.com/openharmony/applications_app_samples/tree/master/ResourcesSchedule/ReminderAgentManager)| This sample uses agent-powered scheduled reminder to create three types of scheduled reminders: alarm clocks, calendar events, and countdown timers. Agent-powered scheduled reminder ensures that the timing and pop-up notification functions will be performed by the system service agent in the background when the application is frozen or exits.|
| File management subsystem| [Storage Space Statistics](https://gitee.com/openharmony/applications_app_samples/tree/master/FileManager/StorageStatistic)| This sample uses the application package management, application space statistics, and volume management modules to implement the viewing of storage space information of the current device, all installed applications, and all available volumes.|
| Window manager| [Screenshot](https://gitee.com/openharmony/applications_app_samples/tree/master/Graphics/Screenshot)| This sample uses the screenshot, window, and display modules to take screenshots, switch the privacy window, and query the privacy window, in sequence.|
| Bundle management framework| [Multi-HAP](https://gitee.com/openharmony/applications_app_samples/tree/master/bundle/MultiHap)| This sample shows the development of multi-HAP. The sample app includes one entry HAP and two feature HAPs. The two feature HAPs provide audio and video playback components, respectively. The two components are also used in the entry component.|
| Ability framework| [Ability Launch Mode](https://gitee.com/openharmony/applications_app_samples/tree/master/ability/AbilityStartMode)| This sample shows how to implement the standard, singleton, and specified ability launch modes in the stage model.|
| Resource management| [Application Theme Switch](https://gitee.com/openharmony/applications_app_samples/tree/master/ETSUI/ApplicationThemeSwitch)| This sample creates the **dark** and **light** folders at the same level as the **base** folder to configure resources related to the dark and light themes. The custom theme file is configured in the **ThemeConst** file to implement multi-theme switching by controlling variables.|
For more information, visit [Samples](https://gitee.com/openharmony/app_samples).
| Common event and notification subsystem| [Event Notification](https://gitee.com/openharmony/applications_app_samples/tree/master/code/BasicFeature/Notification/CustomEmitter)| This sample shows the in-process event notification. After a user selects an offering and submits an order, the selected offering is displayed in the order list.|
| Data management subsystem| [Cross-Application Data Sharing](https://gitee.com/openharmony/applications_app_samples/tree/master/code/SystemFeature/DataManagement/CrossAppDataShare)| This sample implements cross-application data sharing. It provides contacts (data provider) and contacts assistant (data user). Contacts support functionalities such as adding, deleting, modifying, and querying contacts data. Contacts assistant supports contacts data synchronization and merging of duplicate data.|
| Resource scheduler subsystem| [Agent-Powered Scheduled Reminder](https://gitee.com/openharmony/applications_app_samples/tree/master/code/BasicFeature/TaskManagement/ReminderAgentManager)| This sample uses agent-powered scheduled reminder to create three types of scheduled reminders: alarm clocks, calendar events, and countdown timers. Agent-powered scheduled reminder ensures that the timing and pop-up notification functions will be performed by the system service agent in the background when the application is frozen or exits.|
| File management subsystem| [Storage Space Statistics](https://gitee.com/openharmony/applications_app_samples/tree/master/code/SystemFeature/DeviceManagement/StorageStatistic)| This sample uses the application package management, application space statistics, and volume management modules to implement the viewing of storage space information of the current device, all installed applications, and all available volumes.|
| Window manager| [Screenshot](https://gitee.com/openharmony/applications_app_samples/tree/master/code/SystemFeature/Media/Screenshot)| This sample uses the screenshot, window, and display modules to take screenshots, switch the privacy window, and query the privacy window, in sequence.|
| Bundle management framework| [Multi-HAP](https://gitee.com/openharmony/applications_app_samples/tree/master/code/Project/ApplicationHap/MultiHap)| This sample shows the development of multi-HAP. The sample app includes one entry HAP and two feature HAPs. The two feature HAPs provide audio and video playback components, respectively. The two components are also used in the entry component.|
| Ability framework| [Ability Launch Mode](https://gitee.com/openharmony/applications_app_samples/tree/master/code/BasicFeature/ApplicationModels/AbilityStartMode)| This sample shows how to implement the standard, singleton, and specified ability launch modes in the stage model.|
| Resource management| [Application Theme Switch](https://gitee.com/openharmony/applications_app_samples/tree/master/code/Project/ResourceAllocation/ApplicationThemeSwitch)| This sample creates the **dark** and **light** folders at the same level as the **base** folder to configure resources related to the dark and light themes. The custom theme file is configured in the **ThemeConst** file to implement multi-theme switching by controlling variables.|
For more information, visit [Samples](https://gitee.com/openharmony/applications_app_samples).
