Samsung Ambient Mode vs Frame TV
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By Samsung Newsroom
Samsung Galaxy Fold devices have taken the mobile industry by storm, offering users a revolutionary way to interact with their applications. One of their key features is the rear display mode that enables users to continue their tasks seamlessly on the cover display while the main display remains turned off. Jetpack WindowManager has introduced APIs to enable this mode programmatically, and starting from One UI 6.0, developers can now utilize these APIs to integrate rear display mode into their applications, enhancing usability and maximizing the potential of foldable devices.
In this blog post, we dive deeper into implementing Jetpack WindowManager's rear display mode in a camera application. By leveraging this mode, users can take selfies with superior image quality using the rear camera instead of the front camera. Join us as we explore the exciting possibilities of foldable technology and uncover how to optimize your applications for the Samsung Galaxy Fold.
You can download the sample camera application here.
CameraXApp.zip (623.3 KB) Sep 26, 2024 Step 1: Add the WindowManager library into the project
WindowManager, a Jetpack library introduced by Google, supports rear display mode starting from version 1.2.0-beta03. To add the WindowManager library, go to Gradle Scripts > build.gradle (Module: app) and enter the following to the dependencies block:
implementation "androidx.window:window:1.3.0" Step 2: Implement the WindowAreaSessionCallback interface in MainActivity.kt
The WindowAreaSessionCallback interface updates an Activity about when the WindowAreaSession is started and ended. Using the onSessionStarted method, this interface provides the current WindowAreaSession as soon as a new window session is started.
class MainActivity : AppCompatActivity() , WindowAreaSessionCallback { … override fun onSessionEnded(t: Throwable?) { if(t != null) { println("Something was broken: ${t.message}") } } override fun onSessionStarted(session: WindowAreaSession) { } } Step 3: Declare variables
The WindowAreaController provides information about the moving windows between the cover display and the main display of the Galaxy Fold device.
The WindowAreaSession interface provides an active window session in the onSessionStarted method.
WindowAreaInfo represents the current state of a window area. It provides a token which is used later to activate rear display mode.
WindowAreaCapability.Status represents the availability and capability status of the window area defined by the WindowAreaInfo object. We utilize this status to change the UI of our application. The status of the Galaxy Fold device can be one of the following:
WINDOW_AREA_STATUS_ACTIVE: if the cover display is currently active.
WINDOW_AREA_STATUS_AVAILABLE: if the cover display is available to be enabled.
WINDOW_AREA_STATUS_UNAVAILABLE: if the cover display is currently not available to be enabled.
WINDOW_AREA_STATUS_UNSUPPORTED: if the Galaxy Fold device is running on Android 13 or lower.
private lateinit var windowAreaController: WindowAreaController private var windowAreaSession: WindowAreaSession? = null private var windowAreaInfo: WindowAreaInfo? = null private var capabilityStatus: WindowAreaCapability.Status = WindowAreaCapability.Status.WINDOW_AREA_STATUS_UNSUPPORTED private val operation = WindowAreaCapability.Operation.OPERATION_TRANSFER_ACTIVITY_TO_AREA Step 4: Create an instance of WindowAreaController in the onCreate method
windowAreaController = WindowAreaController.getOrCreate() Step 5: Set up a flow to get information from WindowAreaController
In the onCreate() method, add a lifecycle-aware coroutine to query the list of available WindowAreaInfo objects and their status. The coroutine executes each time the lifecycle starts.
lifecycleScope.launch(Dispatchers.Main) { lifecycle.repeatOnLifecycle(Lifecycle.State.STARTED) { windowAreaController.windowAreaInfos .map { info -> info.firstOrNull { it.type == WindowAreaInfo.Type.TYPE_REAR_FACING } } .onEach { info -> windowAreaInfo = info } .map { it?.getCapability(operation)?.status ?: WindowAreaCapability.Status.WINDOW_AREA_STATUS_UNSUPPORTED } .distinctUntilChanged() .collect { capabilityStatus = it updateUI() } } } Step 6: Update the UI according to the device's WindowAreaCapability.Status
private fun updateUI() { if(windowAreaSession != null) { viewBinding.switchScreenButton.isEnabled = true } else { when(capabilityStatus) { WindowAreaCapability.Status.WINDOW_AREA_STATUS_UNSUPPORTED -> { viewBinding.switchScreenButton.isEnabled = false Toast.makeText(baseContext, "RearDisplay is not supported on this device", Toast.LENGTH_SHORT).show() } WindowAreaCapability.Status.WINDOW_AREA_STATUS_UNAVAILABLE -> { viewBinding.switchScreenButton.isEnabled = false Toast.makeText(baseContext, "RearDisplay is not currently available", Toast.LENGTH_SHORT).show() } WindowAreaCapability.Status.WINDOW_AREA_STATUS_AVAILABLE -> { viewBinding.switchScreenButton.isEnabled = true } WindowAreaCapability.Status.WINDOW_AREA_STATUS_ACTIVE -> { viewBinding.switchScreenButton.isEnabled = true Toast.makeText(baseContext, "RearDisplay is currently active", Toast.LENGTH_SHORT).show() } else -> { viewBinding.switchScreenButton.isEnabled = false Toast.makeText(baseContext, "RearDisplay status is unknown", Toast.LENGTH_SHORT).show() } } } } Step 7: Toggle to rear display mode with WindowAreaController
Close the session if it is already active, otherwise start a transfer session to move the MainActivity to the window area identified by the token.
While activating rear display mode, the system creates a dialog to request the user’s permission to allow the application to switch screens. This dialog is not customizable.
private fun toggleRearDisplayMode() { if(capabilityStatus == WindowAreaCapability.Status.WINDOW_AREA_STATUS_ACTIVE) { if(windowAreaSession == null) { windowAreaSession = windowAreaInfo?.getActiveSession( operation ) } windowAreaSession?.close() } else { windowAreaInfo?.token?.let { token -> windowAreaController.transferActivityToWindowArea( token = token, activity = this, executor = displayExecutor, windowAreaSessionCallback = this ) } } } Step 8: Start the camera preview
Call startCamera() when onSessionStarted is triggered by the WindowAreaSessionCallback interface.
override fun onSessionStarted(session: WindowAreaSession) { startCamera() } Step 9: Add a button and set a listener to it for activating rear display mode
<Button android:id="@+id/switch_screen_button" android:layout_width="110dp" android:layout_height="110dp" android:layout_marginStart="50dp" android:elevation="2dp" android:text="@string/switch_screen" app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintBottom_toTopOf="@+id/horizontal_baseline" app:layout_constraintStart_toEndOf="@id/vertical_centerline" /> viewBinding.switchScreenButton.setOnClickListener{ updateUI() toggleRearDisplayMode() } Incorporating rear display mode into your application can significantly enhance user experience by providing more intuitive control and greater flexibility. By following the outlined steps, you can create a more dynamic and user-friendly interface. As technology continues to evolve, staying ahead with features like rear display mode can set your application apart and offer users a seamless, professional-quality experience. To learn more about developing applications for Galaxy Foldable devices, visit: developer.samsung.com/galaxy-z.
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By Samsung Newsroom
Samsung Electronics today announced the addition of SeeColors mode on its 2023 TV and monitor lineup.1 The newly added accessibility feature provides various color settings based on degrees and types of color vision deficiency (CVD),2 offering an improved viewing experience.
SeeColors mode provides nine picture presets so users can select the option that is most suitable for them. The feature adjusts red, green and blue levels to ensure viewers can easily distinguish colors on the screen depending on their degree or type of CVD.
Originally released as an application in 2017, SeeColors helps those with CVD enjoy their screen as it was meant to be seen. Now, integrated in TV and monitor accessibility menus, this feature is more readily available to users. For consumers who have already purchased a 2023 model, a software update will be available to add SeeColors to the accessibility menu.
Samsung has earned “Color Vision Accessibility” certification from TÜV Rheinland,3 in acknowledgement of SeeColors mode’s ability to help those with CVD better enjoy content on Samsung screens. This recognition builds on Samsung’s commitment to accessibility, under the vision of “Screens Everywhere, Screens for All.”
“We are thrilled to introduce additional accessibility features, including SeeColors and Relumino mode, in our 2023 TV and monitor lineup to assist individuals with color blindness and low vision,” said Seokwoo Jason Yong, Executive Vice President of Visual Display Business at Samsung Electronics. “Under the vision of ‘Screens Everywhere, Screens for All,’ we will continue to innovate and bring inclusive technologies closer to our consumers.”
For more information on Samsung’s accessibility features, please visit www.samsung.com.
1 SeeColors mode is available on Samsung’s 2023 TV and monitor lineup, including the Neo QLED, QLED, OLED, Smart Monitor and the G95SC gaming monitor.
2 This feature is not intended for use in the diagnosis of disease or other conditions, or in the cure, mitigation, treatment or prevention of any disease or medical problem. Any information found, acquired or accessed through this feature is made available for your convenience and should not be treated as medical advice.
3 TÜV Rheinland, headquartered in Cologne, Germany, is a globally renowned testing organization that offers quality and safety certifications across various industries. The “Color Vision Accessibility” certification was awarded on June 7, 2023.
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By Samsung Newsroom
Samsung Electronics firmly believes in the power of technology to create a more inclusive world. When it comes to design, accessibility should be top of mind ensuring that everyone, regardless of their abilities, can fully enjoy the benefits of modern innovations. Traditional television can present challenges when accessing and comprehending visual content. However, through the use of visual aid features, Samsung is helping bridge the gap and providing an immersive and enjoyable viewing experience for all.
Relumino Mode, a viewing mode on select Samsung TVs, was designed to augment the visual capabilities of those with low vision, making it possible for anyone to engage with their favorite shows, movies and documentaries like never before. By highlighting specific parts of videos — such as contrast, color and sharpness — this feature makes it easier than ever to discern content on the TV screen.
To shed more light on this groundbreaking inclusive technology, Samsung Newsroom sat down with Dr. Kyungah Park and Jason (Jaeseong) Park from Visual Display Business, Samsung Electronics, to discuss everything from development to clinical trials.
▲ Jason Park (Samsung Electronics) and Kyungah Park, M.D. (Samsung Medical Center) discuss their journeys in creating and clinically testing Relumino Mode
Screens for All — Including People With Impaired Vision
Relumino, borrowed from Latin, means “to give back the light.” The idea is to restore vision as much as possible to people with impaired vision. Earlier this year at CES, Samsung introduced Relumino Mode on select Samsung TVs. This follows the wearable device “Relumino Glass” and the smartphone image processing software “Relumino App,” each revealed at CES in 2017 and 2018, respectively. Before that, Relumino was conceived in “C-Lab(Creative Lab),” Samsung Electronics’ in-house venture program. It has evolved and expanded ever since.
▲ Relumino Glass(left) and Relumino Mode for Samsung TVs(right)
“For several years, ‘Screens for All’ has been one of the key mottos for us. We’re working to further enhance TV accessibility and promote inclusion,” said Jason Park, who plans products and services for the Visual Display Business. “People with low vision are still a key demographic that need better TV viewing experiences.”
Innovation Rooted in the User’s Perspective
To develop Relumino Mode, planners and engineers met with a number of advisors who had visual impairments to understand their wants and needs.
▲ Jason Park, Visual Display Business, Samsung Electronics
“There’s an early experience that really changed my perspective,” shared Jason. “When we first met an advisor for Relumino Mode, I asked him to ‘Please come here and have a seat’ to which he replied, ‘Where is here?’ That was a hard and clear wake-up call for me. I was so embarrassed.” It was then that Jason realized that they were exploring a totally new territory and would have to first understand the way their users see the world.
▲ As part of the efforts to understand customers with visual impairments, Samsung engineers used special goggles to simulate blurry vision
Despite the decades of collective experience in enhancing TV picture quality, this particular project presented a unique challenge that none of the engineers had encountered before. Typically, their expertise lay in identifying even the slightest imperfections on the screen, but now they had to understand what it’s like as a user to have impaired vision. In addition to consulting advisors, the engineers utilized special goggles that simulated blurry vision, serving as a starting point for their exploration. Through a process of generating ideas, conducting trials and learning from mistakes, they eventually developed a solution that could be considered a genuinely effective viewing mode.
Clinical Trials and Direct Feedback
After initial research and development came trials on a larger scale. This is where Samsung Electronics decided to collaborate with Samsung Medical Center, one of South Korea’s most comprehensive medical facilities.
▲Dr. Kyungah Park, Department of Ophthalmology, Samsung Medical Center
“Clinical trials targeting people without disabilities are popular and recruiting subjects for these projects is relatively easy. Some even ask to join before we ask,” said Dr. Park. “But, that was not the case for the Relumino study. The pool was much more limited as we were more strict with our requirements — we targeted people who have lower vision than WHO’s vision impairment criteria.”
However, the people that Samsung contacted showed much passion for the project. “Many who joined the trials were very excited and didn’t mind traveling long distances for the study. Thanks to their support and encouragement, we were able to carry out the research,” Dr. Park added.
Four 55-inch Samsung QLED TVs were featured in the tests. One displayed the control image with no picture enhancements at all. The other three TVs showed the same content with Relumino Mode on high, medium and low. The TVs were installed on a meter away from each other onw a wall in a room with a specified amount of light.
The test was two-fold, with objective and subjective evaluations. A certified contrast sensitivity test was employed for the objective evaluation. For the subjective evaluations, participants were asked to examine a set of eight still images and two videos on each of the screens. Their satisfaction levels were measured on a scale of 0 to 10. Based on the results, researchers carried out additional interviews adjusting picture enhancement levels on the spot.
▲ A blurry vision goggle simulation of what Relumino Mode may look like to people with visual impairment
Relumino mode was well received by the group. One of the participants highly praised the technology, saying “I was thrilled to see the ball in a soccer match on screen. It can get frustrating if you can’t see the ball because of low vision, as you can imagine. Relumino Mode helped me see the ball clearly.”
“The subjects’ responses indicated the Mode’s subjective results while the contrast sensitivity testing showed its objective results. Both of these factors, combined, allowed us to find the optimal setting for a brilliant image on TV,” said Jason.
Screens for All, Today and Tomorrow
“While [the Relumino Mode] project focused on people with relatively severe visual impairment many people with slightly lighter symptoms still need help. I’d like to work on developing projects for them,” explained Dr. Park.
Jason shared a similar point of view, saying, “Samsung will continue to advance technology in the long term to provide personalized picture quality for people with vision impairment and let them enjoy TV comfortably.” Samsung remains committed to accessibility and strives to leverage its technologies to enable more people do what they enjoy.
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By BGR
The Galaxy S23 preorder period is almost over, and Samsung will soon start shipping the Galaxy S23, S23 Plus, and Ultra to buyers. The consensus seems to be that the three phones are great upgrades, ready to deliver a solid experience all around. The Galaxy S23 phones offer great performance and camera features, and battery life is also a Galaxy S23 Ultra highlight. Overall, the Galaxy S23 is a much better upgrade than the Galaxy S22. And the phone might have a few hidden features that Samsung hasn’t exactly detailed on stage.
One of these features is a secret battery charging mode for playing games or using any other apps that might be taxing the processor. The phone can bypass battery charging to provide energy directly to the processor. In turn, this boosts peak performance and prevents overheating.
The Galaxy S22 series surprised fans with a throttling feature that would reduce the processor speed to prevent overheating. The phone was also cheating in benchmarks. This was a major issue that impacted the phone’s launch, forcing Samsung to apologize to buyers and shareholders. The Galaxy S22 is the reason why there’s no Exynos-powered Galaxy S23 this year. And why there might not be one for years to come.
Instead, Samsung rocks a custom version of the Qualcomm Snapdragon 8 Gen 2 chip inside all Galaxy S23 handsets. That chip offers the best possible performance an Android phone can get this year, even if the Galaxy S23 can’t match the iPhone 14’s performance. Or iPhone 12, for that matter.
Benchmarks aside, the Galaxy S23 should have no problem running apps and high-end games. But if you happen to be playing a title that uses plenty of CPU and GPU resources while you’re charging the Galaxy S23 battery, you’ll be able to take advantage of a new Pause USB Power Delivery feature. Found by YouTube channel NL Tech in the Game Booster settings, the feature lets you power the phone without recharging it.
The battery charging bypass might help you reduce overheating during extended gameplay sessions. The phone won’t have to simultaneously provide energy to the Galaxy S23 chips and the battery. Instead, it’ll provide less power that goes directly to the processor, bypassing the battery.
According to the Galaxy S23 Ultra review above, the phone draws just 6W of power when Pause USB Power Delivery is on. If the battery is charging at the same time, the power consumption increases to 17W.
In addition to preventing battery overheating and wear, the feature should also improve peak CPU performance during intensive tasks.
The downside is that the battery won’t charge during gameplay. Also, to pause battery charging during games, the Galaxy S23 has to hold a charge of at least 20%. The other immediate issue is that you have to play games while connected to a charger, which might not be a great experience.
Considering the Galaxy S23 phones rock the latest Snapdragon flagship, you don’t have to worry about gameplay performance. The battery charging bypass might come in handy on mid-range devices. And it looks like Samsung is rolling it out to older hardware.
According to the same YouTube channel, many Samsung phones quietly support the Pause USB Power Delivery feature. Check out the video below to see how to enable it.
Don't Miss: Galaxy S23 Ultra is slower than the iPhone 13 mini and iPhone 12 in benchmarksThe post Galaxy S23 has a secret battery charging mode for when you’re playing games appeared first on BGR.
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