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Design One UI

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Interaction and control

interaction and control to ensure that one ui is easy to use and control for all users don't automatically close or hide features make sure timed or automatic disappearances take enough time that users can access what they need don't play content automatically, and give users controls to stop content lasting more than 5 seconds with other contents provide previous, next, and pause buttons for automatically scrolling content and provide ways to hide or pause overlapping content this is especially important when the screen reader is in use, since it can overlap with the screen reader and make interaction difficult provide alternative ways of performing complex actions such as drag and drop or multifinger gestures provide detailed info about input areas, and make sure the input type is labeled so that auto input solutions can work provide clear error messages and paths to action put the focus on the next needed action element for screen transitions and pop-ups, provide screen reader feedback and alternative text about what's happening also provide a clear path back, such as a back button or another interaction user interface is designed to be consistent locations or screen configurations of buttons or controllers should be designed in a consistent way so they feel familiar when using them related sections buttons

https://developer.samsung.com/one-ui/accessibility/interaction-and-control.html

Develop Smart TV

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Audio and Video Formats

video and audio specifications this topic describes the media formats supported for cloud-based games using webrtc the supported media formats are selected to optimze performance and user experience video formats the supported video formats are described in the following table codec resolution frame rate fps bit rate mbps h 264 1280 x 7201920 x 10803840 x 2160 60 ~50mbps hevc vp9 table 1 supported video formats limitations cloud game video has the following limitations the video bitrate depends on the video format and the complexity of the application logic while the game is streaming fhd panel models do not support 4k video content to check the panel's maxmium resolution, use the isudpanelsupported method of the product info api dynamic video resoluation is supported as a buffer, you must feed a minimum 1 second of video at constant resolution dynamic frame rate is not supported audio formats the supported audio formats are described in the following table codec channel sample rate opus 2 48khz table 2 supported audio formats

https://developer.samsung.com/smarttv/develop/guides/cloud_gaming/cg_av_spec.html

Develop Smart TV

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Using Tizen Studio for NaCl

using tizen studio for nacl importantdue to nacl deprecation by the chromium project, tizen tv will continue its support for nacl only until 2021-year products meanwhile, tizen tv will start focusing on high-performance, cross-browser webassembly from 2020-year products this topic describes how you can use tizen studio, samsung tv extension, and samsung nacl sdk features to develop native client applications related info using sdk the tizen studio, samsung tv extension, and samsung nacl sdk provide various features to help you develop nacl applications for samsung tvs to use the tizen studio for nacl application development set up the development environment and create a nacl project manage the installed nacl toolchains build, launch, and debug nacl projects implement messaging between javascript and nacl components, and define privileges and permissions export and import nacl projects to ease the development process, the tizen studio also enables you to develop a tv application and 1 or more nacl modules within it at the same time create a tv application project with nacl development features enabled create nacl module projects within the tv application build, launch, and debug tv application projects that include nacl module projects export and import tv application projects that include nacl module projects

https://developer.samsung.com/smarttv/develop/extension-libraries/nacl/using-tizen-studio-for-nacl.html

Develop Smart Hospitality Display

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Overview

development checklist this topic describes the application features that must be implemented and test cases relating to application quality that must be passed before a samsung smart device application can be published before publication, your application is tested by the samsung apps tv seller office to make sure the mandatory features are implemented, functional, and follow samsung tv application policies you can speed up the publication process by comprehensively testing the application before registering it mandatory features the following lists the essential application features that are checked before the application can be published on samsung apps tv generals accounts connection media playback multitasking performance privileges noteaccount feature is not mandatory for signage devices application quality the following topics describe specific test cases that are checked before the application can be published on samsung apps tv detailed pass criteria is also included, to help you in ensuring your application quality account test cases related to user account features, such as logging in and out, device activation, and paid content access account feature is not applicable to signage devices common test cases related to features common to most applications, such as multitasking, sound, and the user interface ui video test cases related to video playback features, such as playback controls, audio and video synchronization, and screen modes

https://developer.samsung.com/smarttv/develop/development-checklist/development-checklist-b2b.html?device=htv

Develop Smart TV

api

Overview

tizen net api references the tizen net tv framework provides a rich set of interfaces, allowing you to build compelling tv applications with native application performance you can use the following apis in net tv applications tizenfx tv api references the tizenfx tv api enables you to access features specific to samsung tvs, to extend the capabilities of your application beyond those provided by the tizenfx api importantthe following features are not supported on the tv emulator tizen tv accessory tizen tv multimedia tizen tv service billing tizen tv service sso tizenfx api references the tizenfx api enables you to access platform-specific features, such as retrieving system information, application information, and sensor data, and using account and connectivity services net standard 2 0 api references the net standard 2 0 api implements the net base class library, which allows you to use the c# language and its features, such as collections, threading, file i/o, and linq xamarin forms api references xamarin forms enables you to efficiently build a user interface from standard components, using c# or xaml

https://developer.samsung.com/smarttv/develop/api-references/tizen-net-api-references.html

Develop Smart TV

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Importing NaCl Projects

importing nacl projects importantdue to nacl deprecation by the chromium project, tizen tv will continue its support for nacl only until 2021-year products meanwhile, tizen tv will start focusing on high-performance, cross-browser webassembly from 2020-year products this topic describes how to import development files from a native client project related info exporting nacl projects if you have exported project development files from a native client nacl project, you can import the project to the tizen studio to import an existing nacl project in the tizen studio menu, go to "file > import" the "import wizard" opens select "general > existing projects into workspace", and click "next" select whether to import from a root directory or archive file, and click "browse" select the root directory of your application project or select the archive file, and click "ok" select the check box for the project you want to import make sure that the "copy projects into workspace" check box is selected click "finish" the selected project is imported to your workspace

https://developer.samsung.com/smarttv/develop/extension-libraries/nacl/managing-nacl-projects/importing-nacl-projects.html

Develop Smart Signage

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Overview

development checklist this topic describes the application features that must be implemented and test cases relating to application quality that must be passed before a samsung smart device application can be published before publication, your application is tested by the samsung apps tv seller office to make sure the mandatory features are implemented, functional, and follow samsung tv application policies you can speed up the publication process by comprehensively testing the application before registering it mandatory features the following lists the essential application features that are checked before the application can be published on samsung apps tv generals accounts connection media playback multitasking performance privileges noteaccount feature is not mandatory for signage devices application quality the following topics describe specific test cases that are checked before the application can be published on samsung apps tv detailed pass criteria is also included, to help you in ensuring your application quality account test cases related to user account features, such as logging in and out, device activation, and paid content access account feature is not applicable to signage devices common test cases related to features common to most applications, such as multitasking, sound, and the user interface ui video test cases related to video playback features, such as playback controls, audio and video synchronization, and screen modes

https://developer.samsung.com/smarttv/develop/development-checklist/development-checklist-b2b.html?device=signage

Develop Smart TV

api

Overview

pepper api references you can develop native client nacl applications using the pepper apis importantdue to nacl deprecation by the chromium project, tizen tv will continue its support for nacl only until 2021-year products meanwhile, tizen tv will start focusing on high-performance, cross-browser webassembly from 2020-year products the following table lists the nacl toolchain version and pepper api that must be used for each tv model year all of the toolchain versions are supported on windows®, unix, and macos operating systems tv model year toolchain version api 2018 samsung nacl toolchain version 56 pepper_56 api references 2017 samsung nacl toolchain version 47 pepper_47 api references 2016 samsung nacl toolchain version 42 pepper_42 api references 2015 samsung nacl toolchain version 37 pepper_37 api references 2014 samsung nacl toolchain version 31 pepper_31 api references table 1 tv model year support for information on which pepper api interfaces are supported on various tv models, see the product compatibility matrix

https://developer.samsung.com/smarttv/develop/api-references/pepper-api-references/overview.html

Develop Health

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Overview

samsung health data sdk/com samsung android sdk health data error package-level declarations types types authorizationexception link copied to clipboard class authorizationexception errorcode int?, errormessage string healthdataexceptionan exception to indicate that the app is not authorized to perform the specified operation errorcode link copied to clipboard object errorcodea list of error codes each of these values is included in the specific exception healthdataexception link copied to clipboard open class healthdataexception @jvmoverloads constructor val errorcode int?, val errormessage string, cause throwable? = null runtimeexceptionan exception thrown by the samsung health app this contains one of the errorcodes and a message with details of the error invalidrequestexception link copied to clipboard class invalidrequestexception errorcode int, errormessage string healthdataexceptionan exception to indicate that the app has requested the specified operation with invalid conditions platforminternalexception link copied to clipboard class platforminternalexception @jvmoverloads constructor errorcode int?, errormessage string, cause throwable? = null healthdataexceptionan exception to indicate that the samsung health platform experienced an internal error that cannot be resolved by the app resolvableplatformexception link copied to clipboard class resolvableplatformexception errorcode int?, errormessage string, val hasresolution boolean healthdataexceptionan exception to indicate that the samsung health app is not ready to serve the specified operation

https://developer.samsung.com/health/data/api-reference/-shd/com.samsung.android.sdk.health.data.error/index.html

Develop Health

api

AuthorizationException

samsung health data sdk/com samsung android sdk health data error/authorizationexception authorizationexception class authorizationexception errorcode int?, errormessage string healthdataexceptionan exception to indicate that the app is not authorized to perform the specified operation this error occurs through app misuse, so it may be corrected in the development stage and ignored at runtime the following error codes are defined errorcode err_no_user_permission this occurs when the data permission was not acquired from the user errorcode err_unsupported_operation this occurs when an unsupported operation is requested errorcode err_access_control this occurs when a calling app is not allowed to use the feature errorcode err_invalid_platform_signature this occurs when the samsung health app's signature is invalid this may happen when installing an improper version of the samsung health app errorcode err_child_account_access this occurs when the samsung account that is set up in the samsung health app is a child account since1 0 0parameterserrorcodethe code for this error errormessagethe message for this error members constructors authorizationexception link copied to clipboard constructor errorcode int?, errormessage string a constructor

https://developer.samsung.com/health/data/api-reference/-shd/com.samsung.android.sdk.health.data.error/-authorization-exception/index.html

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