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        api reference code lab blog news/events
      1. tutorials | web, galaxy watch

      blog

      Tizen Tidbits: Changing the Style of Your App

      this short clip is part of a 2 hour tizen online workshop that you can find here: https://youtu.be/5xp8jfpxom8 in this video, we modify the style of our web application in tizen studio to fit the correct dimensions of the galaxy watch screen. you can also connect with me, diego, a sr. developer evangelist, on twitter: https://twitter.com/hielo777 have questions? post them in our forums: https://forum.developer.samsung.com/ check out other videos, blog posts, and tips to improve your tizen app development. check the tizen tidbits playlist on our youtube channel, and learn more about the wide selection of samsung technologies on our developer portal.

      Diego Lizarazo Rivera

      https://developer.samsung.com/sdp/blog/en-us/2020/05/20/tizen-tidbits-changing-the-style-of-your-app
      1. tutorials | web, galaxy watch

      blog

      Tizen Tidbits: First Steps with Tizen Studio

      this video is a clip of a 2 hour tizen online workshop and is focused on taking you through the first steps of creating a new application in tizen studio. you can find the full workshop here: https://youtu.be/5xp8jfpxom8 you can also connect with me, diego, a sr. developer evangelist, on twitter: https://twitter.com/hielo777 have questions? post them in our forums: https://forum.developer.samsung.com/ check out other videos, blog posts, and tips to improve your tizen app development. check the tizen tidbits playlist on our youtube channel, and learn more about the wide selection of samsung technologies on our developer portal.

      Diego Lizarazo Rivera

      https://developer.samsung.com/sdp/blog/en-us/2020/05/19/tizen-tidbits-first-steps-with-tizen-studio
      1. tutorials | web, galaxy watch

      blog

      Tizen Tidbits: Intro to Tizen Development

      this video is a clip of a 2 hour tizen workshop that we conducted online. the focus of this video is to give you a general idea of the different options you have when it comes to developing applications with tizen. you can find the full workshop here: https://youtu.be/5xp8jfpxom8 you can also connect with me, diego, a sr. developer evangelist, on twitter: https://twitter.com/hielo777 check out other videos, blog posts, and tips to improve your tizen app development. check the tizen tidbits playlist on our youtube channel and learn more about the wide selection of samsung technologies on our developer portal.

      Diego Lizarazo Rivera

      https://developer.samsung.com/sdp/blog/en-us/2020/05/18/tizen-tidbits-intro-to-tizen-development
      1. tutorials | web, galaxy watch

      blog

      Tizen Tidbits: How to Deploy your Tizen App on a Device

      in the latest video in the tizen tidbits series, we will demonstrate how to take your tizen app and deploy it on a wearable device. running your app on an actual device is particularly helpful if you want to test the watch sensors or just figure out how your app acts in real-life conditions. check out other videos, blog posts, and tips to improve your tizen app development. check the tizen tidbits playlist on our youtube channel and learn more about the wide selection of samsung technologies on our developer portal.

      Diego Lizarazo Rivera

      https://developer.samsung.com/sdp/blog/en-us/2020/03/30/tizen-tidbits-how-to-deploy-your-tizen-app-on-a-device
      1. tutorials | galaxy watch, web

      blog

      Tizen Tidbits: Your First Tizen Web Application

      in the latest installment of the tizen tidbits series, we will be covering the code basics to create your first tizen web application. by the end of the video, you will understand the structure of projects in tizen studio, how to modify the core files of your web application, and how to use the emulator to test your app. check other videos, blog posts, and tips to improve your tizen app development. stay tuned for more web and .net app development for the galaxy watch, and don’t forget to visit our developer portal to learn more about samsung technologies.

      Diego Lizarazo Rivera

      https://developer.samsung.com/sdp/blog/en-us/2020/03/10/tizen-tidbits-your-first-tizen-web-application
      1. featured

      blog

      Samsung Developers Top 10 Moments of 2021

      another year will soon be past and, like many of you, we’re looking forward to next year. we’ll be taking some time the next few weeks to be with our families, and will be back in 2022 with more blogs, podcasts, product announcements, and ways for you to succeed with galaxy store and samsung platforms. with the end-of-year holidays upon us, we’re stopping to reflect on what we did in 2021. even with covid making a disruption in everyone’s lives, we’re still here to help developers find answers and hopefully, also find success. here are some of our most memorable moments. 10. developer portal refresh brought a modern look and support for mobile we’ve been working for several years to bring samsung’s developer portal into a single web infrastructure. we moved content from multiple servers and cloud services into a cms that uses open standards and a responsive design for mobile devices. we pored through a decade of content to make sure it was still timely and accurate for your needs today. we integrated the developer forums to use the same samsung account login for both the developer portal and seller portal to give you a more seamless experience. in october of this year, we made a ux refresh to the site and the most amazing thing is how easy that process went. there were no late nights in the weeks prior to launch. we were able to test the new ux in a sandbox rigorously. then the deployment to production happened almost instantaneously. we spent less time worrying about our website and more time creating the content you need to do your work. we understand how important the samsung developer portal is to you and your work. that’s why we took the time to ensure a smooth transition as we made major infrastructure changes. 9. monthly updates keep developers up-to-date on new galaxy store features the galaxy store product management team began publishing monthly newsletters to enlighten developers of the latest features and improvements to seller portal. these updates also usually appear as blog posts in the first week or two of the month. some of the major announcements include: staged app rollouts (october) local currencies in settlement and financial reports (september) private beta testing (july) galaxy store developer api (april) look for more exciting improvements in 2022 as galaxy store continues to innovate. 8. unpacked events bring exciting new product announcements galaxy unpacked in january 2021 brought announcements of the galaxy buds pro, galaxy s21, and the new galaxy smarttag. the event highlighted samsung’s design concepts with one ui 3 and integrated experiences from partners like microsoft and google. the august galaxy unpacked event brought announcements of galaxy z fold3 and galaxy z flip3 phones. these devices have many new hardware and software features for developers to build upon. this blog post highlighted many of the ways that developers can implement features supporting flex mode and s pen remote, while ensuring that users have a seamless experience with app continuity. the most anticipated announcement of the august galaxy unpacked event was the unveiling of galaxy watch4, featuring wear os, powered by samsung. as with the tizen-powered galaxy watch devices, samsung released a new tool, galaxy watch studio converter, to help existing designers bring their watch faces to wear os. designers could also start a new watch face project from scratch with the newly-released watch face studio tool. 7. remote test lab updates allow developers to experience the latest hardware as new devices are announced, developers can use the remote test lab (rtl) to ensure that their apps work properly on the new version of one ui as well as different screen resolutions and pixel densities. in 2021, the rtl development team added support for foldables and galaxy s21 devices, allowing developers to ensure their apps work correctly before the devices are available to consumers. the rtl team also added support for android studio. in september, thousands of devices were added in data centers around the world to ensure that a compatible device is always available. as part of this release, rtl was re-engineered to work exclusively in the chrome browser, so that no external software is needed to test apps on all the latest devices. 6. samsung developer forums activity the samsung developer forums, based on the popular open-source discourse project, were introduced in january 2020, replacing an aging forum infrastructure that didn’t work well on mobile devices. by using the same samsung account authentication method as the samsung developers site, we’re able to provide a nearly-seamless experience across different hosts and platforms. since their introduction, we’ve seen large numbers of visitors stop by the forums with questions. community manager ron liechty has more than 25 years of experience in managing healthy communities—his knowledge and guidance keeps the forums a useful resource for developers. some of these visitors have become our best community members, providing valuable feedback to their peers as well as helping to moderate spam and malicious content. 5. supporting game developers in 2021 games are a noticeable part of the galaxy store experience and we work with many partners and internal teams to ensure that gamers have a great experience on galaxy devices. the galaxy gamedev team works closely with some of the top publishers and developers to improve performance of top titles on mobile. this team creates tools that provide great detail on the performance of the cpu and gpu during intense moments of gameplay. the gamedev team then documents their efforts in a series of best practices and blog posts to help developers everywhere. in addition to our internal team work, we frequently work with our partners at arm to deliver relevant content for game developers. this summer, we published and promoted a number of educational articles, webinars, and training series in cooperation with the arm developer team. best practices for mobile game developers and artists new vulkan extensions for mobile: maintenance extensions new vulkan extensions for mobile: legacy support extensions new game changing vulkan extensions for mobile: descriptor indexing new game changing vulkan extensions for mobile: buffer device address new game changing vulkan extensions for mobile: timeline semaphores mike barnes from the gamedev team, together with eric cloninger from the samsung developers team, presented at the virtual gdc2021 event in july. gdc is an important event for all of us at samsung and we hope to see you all there at the live event in march 2022. 4. new voices appeared on samsung developers podcast, season 2 shortly before the covid-19 pandemic changed our lives, tony morelan from samsung developers attended a podcasting event and came back to the office inspired to start a podcast. he lined up guests from internal teams and important partners. everyone had a great time participating and it gave us a way to continue delivering quality content to developers. as 2020 turned to 2021, we continued bringing interesting guests from across the mobile design and development ecosystem. we used the podcast to talk about the upcoming virtual samsung developer conference and chat with the people that made the event a success. here are some of the highlights from season 2 of the samsung developers podcast: drazen stojcic, urarity – watch faces, design tan nguyen, butterfly-effected gmbh – galaxy themes, marketing, licensing the samsung internet advocacy team – web standards, privacy, foldable devices we’re still hoping for a return to days where we can travel and meet in person, but until that time comes, please join us in listening to these industry veterans and top developers on the samsung developers podcast. season 3 begins in early 2022. 3. blog series instructs readers on design and successful marketing without live events the past two years, we have searched for new ways to continue delivering timely and helpful advice to mobile app designers and developers. as mentioned previously, we worked with arm this year to bring great technical content front and center. we also worked with our network of top designers, developers, and thought leaders on concepts that will help you succeed on galaxy store and in creating better experiences for your users: better for all – in this blog series, we talked with leading designers and experts to help understand the increasingly important concepts behind the diversity, equality, and inclusion movement. this series discussed aspects of language used in apps, themes, and watch designs. it also highlights important guidelines to ensure apps and web sites are accessible to users with sight, mobility, and hearing impairments. better for all: mobile accessibility better for all: inclusive policies with daniel appelquist better for all: equal accessibility better for all: bringing diversity to design with eglantina hasaj and manpreet kaur better for all: diversity in design better for all: developing and designing for diversity refresh for success – it’s not enough to simply submit a title to a digital marketplace and assume success will follow and continue without extra effort. in this series, top galaxy store designers and developers talk about how they maintain their product lines to ensure a steady flow of revenue and new customers. refresh for success: maintain quality themes design with olga gabay from zeru studio refresh for success: improve your process to keep designs fresh with tan nguyen from butterfly-effected, gmbh refresh for success: improve your process and de-clutter your galaxy store with drazen stojcic from urarity prime time design – finding success in designing new products is an intensely unique and personal process. the prime time design series includes interviews with some of the most unique people creating for galaxy store. read how these talented people inspire themselves and how they convert that inspiration into action. prime time design: unpacking the creative process with ramon campos from friss in motion prime time design: unpacking the creative process with pedro machado from health face prime time design: unpacking the creative process with john shih from x9 studio strategies for success – tony morelan was a successful watch face designer before coming to work with the samsung developers team. we’re grateful for his knowledge of design as well as how to turn designs into revenue. in this four-part series, tony points out steps to creating successful galaxy store product submissions. strategies for success: selling your apps strategies for success: understanding consumer trends strategies for success: building your fan base strategies for success: making your brand successful 2. best of galaxy store awards highlight successful developers the galaxy store app on your mobile device is more than just an app. behind the scenes, there is a team of developers, product managers, business leaders, and security experts devoted to ensuring the best possible online experience for consumers in 180 countries. because of their dedication, developers and designers have a great platform for monetizing their work. each year, the samsung developers team works with the galaxy store operations and business development teams to determine the best games, apps, and themes based on revenue, downloads, and impact to consumers. the result is the best of galaxy store awards. in 2018 and 2019, the best of galaxy store awards were presented live, on stage, at the samsung developer conference (sdc). without a live event in 2020 or 2021, the samsung developers team decided to continue the tradition of highlighting and awarding our top galaxy store products. even without an in-person event, we used a live premiere on youtube to have a single moment in time to celebrate with the winners. tony morelan emceed the event, but he had a lot of help from ron liechty, jeanne hsu, susie perez, and shelly wu. we thank them for their hard work. we hope you’ll enjoy watching! look for the “best of galaxy store” sash on apps, games, themes, and watch faces in galaxy store to know that you’re getting a truly unique experience. 1. discovering new opportunities at sdc21 each year, the samsung developer conference is the culmination of an incredible amount of planning and work by hundreds of people. even though the event was virtual in 2021, there was still a huge volume of work. instead of preparing for a live audience, our teams practiced in front of a galaxy phone on a tripod (really). instead of building booths and planning meals, we built a website and social media campaigns to reach a larger audience. eric cloninger and tony morelan kicked off the promotion for sdc21 with a podcast featuring a previous sdc speaker, chris shomo. before the conference, visitors were invited to create whimsical caricatures of themselves using the mysdcstack mini-site and submit their designs to social media. by participating in the event website, watching sessions, and trying the code labs, visitors would earn points toward a prize drawing after sdc. relive the experience of sdc21 by watching the keynote or any of the highlight sessions and technical talks by viewing this playlist wrapping up when sdc is finished, our team takes a collective deep breath, happy to be done. it is a satisfying experience to pull off a big industry event. we don’t know yet how we’ll handle live events, but we remain optimistic that some will occur. we are making plans and we hope we’ll be able to see you, somewhere, in 2022. 🤞 take care. stay warm (or cool). best wishes to you all and happy new year!

      https://developer.samsung.com/sdp/blog/en-us/2021/12/16/samsung-developers-top-10-moments-of-2021
      1. tutorials

      blog

      Launch Your Tizen .NET Application on Samsung Smart TV

      this blog discusses how to run the tizen .net application with xamarin.forms on the samsung smart tv 2018 models. xamarin.forms developers, if you have a tizen project already added on your xamarin.forms application, you are ready to begin. you can also review this blog for more details about adding tizen projects (https://blog.xamarin.com/add-tizen-projects-xamarin-forms-apps/). note: the .net application is only supported on samsung smart tv 2018 or later models that use tizen 4.0 as a platform. for a list of supported models, go here. if you are new to developing tizen .net applications, we suggest that you browse quick guides and installing visual studio tools for tizen. development environment windows you must have visual studio tools for tizen installed. if you do not, install the extension tool first. tizen baseline sdk automatically installs after the extension tool is installed. mac no extension tool for visual studio for mac is provided. you can download and install the tizen baseline sdk or install the full tizen studio here. there are two more extensions in tizen package manager (tools > tizen > tizen package manager). samsung tv extension samsung certificate extension the extensions are located on the extension sdk tab. install them if they are not already installed. connect the sdk to the tv you can connect your sdk to a tv device as a remote device. before you connect to the tv, confirm that: your computer and tv are on the same network. you have prepared a certificate profile. enable developer mode on your tv device open the smart hub. select the apps panel. in the apps panel, enter 12345 using the remote control or the onscreen number keypad. the following popup appears. switch developer mode to on. enter the host pc ip you want to connect to the tv, and click ok. reboot the tv. after the tv reboots, open the apps panel. developer mode is indicated at the top of the screen. connect the tv to the sdk in visual studio, navigate to tools > tizen > tizen device manager to open device manager. note: for mac users, launch device manager on mac. click remote device manager and + to add a tv. in the add device popup, enter the information for the tv you want to connect to and click add. back to the device manager window, select the tv from the list, and switch the connection to on. when the tv is successfully connected, you can see the tv is connected as a device on the visual studio toolbar. now you are ready to launch your applications on the tv. launch an application on the tv visual studio for windows on windows, you can launch your application directly through visual studio using the ctrl + f5 shortcut. visual studio for mac after building the tizen project, go to terminal, move to the output folder and execute the following commands: acbook:~ jay$ sdb install org.tizen.example.hello.tizen-1.0.0.tpk acbook:~ jay$ sdb shell 0 execute <app_id> the sdb tool is located where the tizen studio is installed; for example ~/tizen-studio/tools/. you can check the <app_id> in the tizen-manifest.xml file. the application you installed on the tizen 4.0 tv is automatically removed when the tv is turned off and on with cold boot. if you have any questions about launching your tizen .net application on samsung smart tv, contact us at issues.

      Jay Cho

      https://developer.samsung.com/tizen/blog/en-us/2019/02/19/launch-your-tizen-net-application-on-samsung-smart-tv
      1. Develop
      2. GameDev

      doc

      Introduction

      adaptive performance v1.0adaptive performance v1.0 v2.0adaptive performance v2.0 introduction adaptive performance provides that way to manage both the thermals and performance of a game on a mobile device. samsung has partnered with unity, to provide this solution. why is managing both the thermals and performance important on a device? the answer is that today’s mobile devices have more resources than in the past, but they are still limited. as resources increased, developers wanted more natural and authentic graphics. so the game needs more resources, which naturally leads to an increase in temperature. but in this situation, the problem is that there is no information about those resources. and that means that developers couldn’t recognize the reason for performance drops. to avoid this situation, developers not only optimize the entire game, but also use settings to control various graphics qualities to target the appropriate performance on each device. but if a developer could know sufficient hardware information before the device faces a performance drop, then they can easily and effectively manage the performance of the device. samsung provides hints that can easily read the temperature and state of the device through the gamesdk, then unity processes that information and provides a way to manage thermal and performance through adaptive performance. this graph shows how adaptive performance helps sustain a high frame rate in the mega city unity demo running on the samsung galaxy s10. the blue line shows a much more stable frame rate with adaptive performance while the red line shows the behaviour before adaptive performance was added. as you can see from this result, adaptive performance makes much more stable frame rate, and it can improve the user experience. how to use adaptive performance is a package for unity engine. to use it, follow the instructions below. unity editor → window → package manager → choose package : all → install adaptive performance & adaptive performance samsung android actually that is all that is required to use adaptive performance, you don't need any setting for this. but if you need more detailed information, look at the links below. adaptive performance release note adaptive performance preview! install and user guide (korean) a deep look inside games : gamesdk and adaptive performance (english) unity blog (korean) unity blog (english) supported devices with the first launch of adaptive performance, we supported devices after galaxy s10 running android pie. after launch we have added support for all old and new samsung galaxy models with android 10. also we provide below support devices list. series models galaxy s galaxy s10e / s10 / s10+galaxy s10 lite galaxy s20 / s20+ / s20 ultra galaxy s20 lite galaxy note galaxy note9 galaxy note10 / note10+ galaxy note10 litegalaxy note20 / note20 ultra galaxy z galaxy z fold2 galaxy a galaxy a10sgalaxy a11 galaxy a21s galaxy a31 galaxy a41 galaxy a50s galaxy a51 galaxy a51 5g galaxy a71 galaxy a71 5g galaxy a80 galaxy a8 2018 galaxy a9 2018 galaxy a9 2018 galaxy a90 5g galaxy xcover galaxy xcover 4s galaxy xcover pro galaxy m galaxy m11 galaxy m30s galaxy m31s galaxy tab galaxy tab s6galaxy tab s7 galaxy tab s7+ support status for each model could be different by the selling area and the os version of the device.

      https://developer.samsung.com/galaxy-gamedev/adaptive-performance.html
      1. tutorials

      blog

      How to Use SkiaSharp in Tizen .NET

      skiasharp is a cross-platform 2d graphics api for .net platforms powered by the google skia library. skiasharp provides a comprehensive api that is used on mobile, tv, watch, and desktop platforms. you can use skiasharp to create many different types of graphics, tables, and text in your own application. for more information about skiasharp apis, see the skiasharp api guide. this blog introduces skiasharp use in tizen .net. create a tizen .net application create a tizen .net ui application. if you are not familiar with the tizen .net application, see quick guides for further information. in this blog, we share example code using elmsharp. the sample application references the tizenfx package, which contains elmsharp. change the target framework change the targetframework of the ui application project file (.csproj) using skiasharp in tizen .net. as is <propertygroup> <outputtype>exe</outputtype> <targetframework>netcoreapp2.0</targetframework> </propertygroup> new <propertygroup> <outputtype>exe</outputtype> <targetframework>tizen40</targetframework> </propertygroup> note: this example is based on tizen 4.0. if your application is based on tizen 5.0, change targetframework to tizen50 instead of tizen40. install the nuget packages for skiasharp in solution explorer, right-click on the project name of your ui application and click manage nuget packages. select the browse tab choose nuget.org as the package source, and search for skiasharp and skiasharp.views. select these packages in the list, and click install. draw the text create the skcanvasview and use skiasharp drawing commands to draw simple text. add paintsurface event handler of skcanvasview. implement the following example code inside paintsurface event handler to draw text using skcanvas's drawtext method: using tizen.applications; using elmsharp; using skiasharp; using skiasharp.views.tizen; namespace skiasharptizen { class app : coreuiapplication { protected override void oncreate() { base.oncreate(); window window = new window("elmsharpapp") { availablerotations = displayrotation.degree_0 | displayrotation.degree_180 | displayrotation.degree_270 | displayrotation.degree_90 }; window.backbuttonpressed += (s, e) => { exit(); }; window.show(); var skiaview = new skcanvasview(window); skiaview.paintsurface += onpaintsurface; skiaview.show(); var conformant = new conformant(window); conformant.show(); conformant.setcontent(skiaview); } private void onpaintsurface(object sender, skpaintsurfaceeventargs e) { var skiaview = sender as skcanvasview; var canvas = e.surface.canvas; var scale = (float)scalinginfo.scalingfactor; var scaledsize = new sksize(e.info.width / scale, e.info.height / scale); canvas.scale(scale); canvas.clear(skcolors.yellow); var paint = new skpaint { color = skcolors.black, isantialias = true, style = skpaintstyle.fill, textalign = sktextalign.center, textsize = 20 }; var coord = new skpoint(scaledsize.width / 2, (scaledsize.height + paint.textsize) / 2); canvas.drawtext("skiasharp in tizen", coord, paint); } static void main(string[] args) { elementary.initialize(); elementary.themeoverlay(); app app = new app(); app.run(args); } } } build the application project, install, and run this application. draw the star polygon to draw a star polygon, add the skcanvasview paintsurface event handler. then use the following example code to draw a star polygon: private void ondrawsample(skcanvas canvas, int width, int height) { var size = ((float)height > width ? width : height) * 0.75f; var r = 0.45f * size; var tau = 6.2831853f; using (var path = new skpath()) { path.moveto(r, 0.0f); for (int i = 1; i < 7; ++i) { var theta = 3f * i * tau / 7f; path.lineto(r * (float)math.cos(theta), r * (float)math.sin(theta)); } path.close(); using (var paint = new skpaint()) { paint.isantialias = true; canvas.clear(skcolors.lightblue); canvas.translate(width / 2f, height / 2f); canvas.drawpath(path, paint); } } } private void onpaintsurface(object sender, skpaintsurfaceeventargs e) { ondrawsample(e.surface.canvas, e.info.width, e.info.height); } for more information, see the skiasharp2dsample on github. if you have any questions about using skiasharp in tizen .net, use issues to contact us.

      Rina You

      https://developer.samsung.com/tizen/blog/en-us/2019/03/08/how-to-use-skiasharp-in-tizen-net
      1. tutorials | mobile

      blog

      [Samsung DeX] How to detect the Samsung DeX mode

      going into samsung dex mode samsung dex is a new type of launcher – transferring the known android’s phone mode ui to desktop-like, bigger screen and experience. upon opening samsung dex mode, every app that stayed open in phone mode, undergo certain changes before launching in samsung dex. what is done and how can we detect this change? your app during transfer into samsung dex mode during the transfer into samsung dex mode opened activities are killed and recreated in new, android desk ui mode. handling the runtime configuration changes is explained exhaustively on android developer webpage ( https://developer.android.com/guide/topics/resources/runtime-changes.html ). worth mentioning is that your app should support at least preserving the app state and two of the ui modes – initial phone density and size and samsung dex desk mode ui. below you can see the table set for s8 initial phone mode and samsung dex mode. phone mode samsung dex mode ui mode mobile desk layout qualifier layout-xxxhdpi layout-desk size large xlarge density xxxhdpi mdpi to prevent the activity restart and handle the configuration change yourself you can declare (as described in android developer guide): ` <meta-data android:name:"com.samsung.android.keepalive.density" android: value = „true"/> ` this way of keeping the app or activity alive is not recommended for most applications. detecting samsung dex mode changes often should be applied to android components that are not activities. for this you can detect samsung dex mode in three possible ways: system configuration check when mode is changed from phone to samsung dex, system configuration is also changed as below. ui mode desk density mdpi (optional) screen layout xlarge (optional) resolution fhd when you want to detect the current mode, you can try with the following sample code. `private boolean isdesktopmode(context context){ uimodemanager uimodemanager = (uimodemanager) context.getsystemservice(context.ui_mode_service); //density for mdpi is 160 float density = context.getresources().getdisplaymetrics().densitydpi; return (uimodemanager.getcurrentmodetype()== configuration.ui_mode_type_desk) && density == 160; }` set up android broadcast receiver app can receive the notification when samsung dex mode (or phone mode) changes via broadcast receiver. if it is registered via manifest, app can get the notification after process is killed. timing for getting this notification is not accurate because of limitation of broadcast. enter samsung dex mode: uimodemanager.sem_action_enter_knox_desktop_mode = "android.app.action.enter_knox_desktop_mode" exit samsung dex mode: uimodemanager.sem_action_exit_knox_desktop_mode = "android.app.action.exit_knox_desktop_mode" code sample: `class desktopmodereceiver extends broadcastreceiver { @override public void onreceive(context context, intent intent) { string action = intent.getaction(); if ("android.app.action.enter_knox_desktop_mode".equals(action)) { log.d(debug_tag, "desktop mode on"); } else if ("android.app.action.exit_knox_desktop_mode".equals(action)) { log.d(debug_tag, "desktop mode off"); } } }` query the current mode app can also query the current mode as below. this way needs handling the possible exceptions arise while accessing config. `import android.content.res.configuration; import java.lang.reflect.field; import java.lang.class; //* *// configuration config = getresources().getconfiguration(); try { class configclass = config.getclass(); if(configclass.getfield("sem_desktop_mode_enabled").getint(configclass) == configclass.getfield("semdesktopmodeenabled").getint(config)) { // samsung dex mode enabled } } catch(nosuchfieldexception e) { //handle the nosuchfieldexception } catch(illegalaccessexception e) { //handle the illegalaccessexception } catch(illegalargumentexception e) { //handle the illegalargumentexception }` more info about samsung dex on: https://developer.samsung.com/samsung-dex and other blog posts on https://developer.samsung.com/blog.

      Samsung Developer Program

      https://developer.samsung.com/sdp/blog/en-us/2017/07/27/samsung-dex-how-to-detect-the-samsung-dex-mode
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