Recursos e APIs

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O Android 16 introduz ótimos recursos e APIs novos para desenvolvedores. As seções a seguir resumem esses recursos para ajudar você a começar a usar as APIs relacionadas.

Também é importante analisar as áreas em que as mudanças na plataforma podem afetar seus apps. Para mais informações, consulte as seguintes páginas:

• Mudanças de comportamento que afetam apps destinados ao Android 16
• Mudanças de comportamento que afetam todos os apps, independentemente da targetSdkVersion.

Principal recurso

O Android inclui novas APIs que ampliam os recursos principais do sistema.

Duas versões da API do Android em 2025

• This preview is for the next major release of Android with a planned launch in Q2 of 2025. This release is similar to all of our API releases in the past, where we can have planned behavior changes that are often tied to a targetSdkVersion.
• We're planning the major release a quarter earlier (Q2 rather than Q3 in prior years) to better align with the schedule of device launches across our ecosystem, so more devices can get the major release of Android sooner. With the major release coming in Q2, you'll need to do your annual compatibility testing a few months earlier than in previous years to make sure your apps are ready.
• We plan to have another release in Q4 of 2025 which also will include new developer APIs. The Q2 major release will be the only release in 2025 to include planned behavior changes that could affect apps.

In addition to new developer APIs, the Q4 minor release will pick up feature updates, optimizations, and bug fixes; it will not include any app-impacting behavior changes.

We'll continue to have quarterly Android releases. The Q1 and Q3 updates in-between the API releases will provide incremental updates to help ensure continuous quality. We're actively working with our device partners to bring the Q2 release to as many devices as possible.

Using new APIs with major and minor releases

Guarding a code block with a check for API level is done today using the SDK_INT constant with VERSION_CODES. This will continue to be supported for major Android releases.

if (SDK_INT >= VERSION_CODES.BAKLAVA) {
  // Use APIs introduced in Android 16
}

The new SDK_INT_FULL constant can be used for API checks against both major and minor versions with the new VERSION_CODES_FULL enumeration.

if (SDK_INT_FULL >= VERSION_CODES_FULL.[MAJOR or MINOR RELEASE]) {
  // Use APIs introduced in a major or minor release
}

You can also use the Build.getMinorSdkVersion() method to get just the minor SDK version.

val minorSdkVersion = Build.getMinorSdkVersion(VERSION_CODES_FULL.BAKLAVA)

These APIs have not yet been finalized and are subject to change, so please send us feedback if you have any concerns.

Experiência do usuário e interface do sistema

O Android 16 oferece aos desenvolvedores e usuários de apps mais controle e flexibilidade para configurar o dispositivo de acordo com as necessidades.

Notificações com foco no progresso

Android 16 introduces progress-centric notifications to help users seamlessly track user-initiated, start-to-end journeys.

Notification.ProgressStyle is a new notification style that lets you create progress-centric notifications. Key use cases include rideshare, delivery, and navigation. Within the Notification.ProgressStyle class, you can denote states and milestones in a user journey using points and segments.

To learn more, see the Progress-centric notifications documentation page.

A progress-centric notification displayed on the lockscreen.

A progress-centric notification displayed in the notification shade.

Atualizações de volta preditiva

O Android 16 adiciona novas APIs para ajudar a ativar animações de volta preditiva do sistema na navegação por gestos, como a animação de volta à tela inicial. Registrar o onBackInvokedCallback com o novo PRIORITY_SYSTEM_NAVIGATION_OBSERVER permite que o app receba a chamada onBackInvoked normal sempre que o sistema processa uma navegação de retorno sem afetar o fluxo normal de navegação de retorno.

O Android 16 também adiciona o finishAndRemoveTaskCallback() e o moveTaskToBackCallback. Ao registrar esses callbacks com o OnBackInvokedDispatcher, o sistema pode acionar comportamentos específicos e reproduzir animações antecipadas correspondentes quando o gesto de voltar é invocado.

Retorno tátil mais completo

Android has exposed control over the haptic actuator ever since its inception.

Android 11 added support for more complex haptic effects that more advanced actuators could support through VibrationEffect.Compositions of device-defined semantic primitives.

Android 16 adds haptic APIs that let apps define the amplitude and frequency curves of a haptic effect while abstracting away differences between device capabilities.

Produtividade e ferramentas para desenvolvedores

Embora a maior parte do nosso trabalho para melhorar a produtividade se concentre em ferramentas como Android Studio, Jetpack Compose e as bibliotecas do Android Jetpack, sempre procuramos maneiras de usar a plataforma para ajudar você a realizar sua visão.

Processamento de conteúdo para planos de fundo interativos

In Android 16, the live wallpaper framework is gaining a new content API to address the challenges of dynamic, user-driven wallpapers. Currently, live wallpapers incorporating user-provided content require complex, service-specific implementations. Android 16 introduces WallpaperDescription and WallpaperInstance. WallpaperDescription lets you identify distinct instances of a live wallpaper from the same service. For example, a wallpaper that has instances on both the home screen and on the lock screen may have unique content in both places. The wallpaper picker and WallpaperManager use this metadata to better present wallpapers to users, streamlining the process for you to create diverse and personalized live wallpaper experiences.

Desempenho e bateria

O Android 16 apresenta APIs que ajudam a coletar insights sobre seus apps.

Criação de perfis acionados pelo sistema

ProfilingManager was added in Android 15, giving apps the ability to request profiling data collection using Perfetto on public devices in the field. However, since this profiling must be started from the app, critical flows such as startups or ANRs would be difficult or impossible for apps to capture.

To help with this, Android 16 introduces system-triggered profiling to ProfilingManager. Apps can register interest in receiving traces for certain triggers such as cold start reportFullyDrawn or ANRs, and then the system starts and stops a trace on the app's behalf. After the trace completes, the results are delivered to the app's data directory.

Iniciar o componente no ApplicationStartInfo

ApplicationStartInfo was added in Android 15, allowing an app to see reasons for process start, start type, start times, throttling, and other useful diagnostic data. Android 16 adds getStartComponent() to distinguish what component type triggered the start, which can be helpful for optimizing the startup flow of your app.

Melhor introspecção de trabalho

The JobScheduler#getPendingJobReason() API returns a reason why a job might be pending. However, a job might be pending for multiple reasons.

In Android 16, we are introducing a new API JobScheduler#getPendingJobReasons(int jobId), which returns multiple reasons why a job is pending, due to both explicit constraints set by the developer and implicit constraints set by the system.

We're also introducing JobScheduler#getPendingJobReasonsHistory(int jobId), which returns a list of the most recent constraint changes.

We recommend using the API to help you debug why your jobs may not be executing, especially if you're seeing reduced success rates of certain tasks or have bugs around latency of certain job completion. For example, updating widgets in the background failed to occur or prefetch job failed to be called prior to app start.

This can also better help you understand if certain jobs are not completing due to system defined constraints versus explicitly set constraints.

Taxa de atualização adaptativa

Adaptive refresh rate (ARR), introduced in Android 15, enables the display refresh rate on supported hardware to adapt to the content frame rate using discrete VSync steps. This reduces power consumption while eliminating the need for potentially jank-inducing mode-switching.

Android 16 introduces hasArrSupport() and getSuggestedFrameRate(int) while restoring getSupportedRefreshRates() to make it easier for your apps to take advantage of ARR. RecyclerView 1.4 internally supports ARR when it is settling from a fling or smooth scroll, and we're continuing our work to add ARR support into more Jetpack libraries. This frame rate article covers many of the APIs you can use to set the frame rate so that your app can directly use ARR.

APIs de headroom no ADPF

The SystemHealthManager introduces the getCpuHeadroom and getGpuHeadroom APIs, designed to provide games and resource-intensive apps with estimates of available CPU and GPU resources. These methods offer a way for you to gauge how your app or game can best improve system health, particularly when used in conjunction with other Android Dynamic Performance Framework (ADPF) APIs that detect thermal throttling.

By using CpuHeadroomParams and GpuHeadroomParams on supported devices, you can customize the time window used to compute the headroom and select between average or minimum resource availability. This can help you reduce your CPU or GPU resource usage accordingly, leading to better user experiences and improved battery life.

Acessibilidade

O Android 16 adiciona novas APIs e recursos de acessibilidade que podem ajudar a oferecer seu app a todos os usuários.

APIs de acessibilidade aprimoradas

O Android 16 adiciona APIs adicionais para melhorar a semântica da interface, o que ajuda a melhorar a consistência para usuários que dependem de serviços de acessibilidade, como o TalkBack.

Contorno do texto para máximo contraste

Os usuários com visão reduzida geralmente têm sensibilidade reduzida ao contraste, o que dificulta a distinção de objetos do plano de fundo. Para ajudar esses usuários, o Android 16 apresenta texto com contorno, substituindo o texto de alto contraste, que desenha uma área de contraste maior ao redor do texto para melhorar muito a legibilidade.

O Android 16 tem novas APIs AccessibilityManager para permitir que os apps verifiquem ou registrem um listener para verificar se esse modo está ativado. Isso é principalmente para que kits de ferramentas de interface, como o Compose, ofereçam uma experiência visual semelhante. Se você mantém uma biblioteca do kit de ferramentas de IU ou se o app executa renderização de texto personalizada que ignora a classe android.text.Layout, use isso para saber quando o texto de contorno está ativado.

Duração adicionada ao TtsSpan

O Android 16 estende TtsSpan com um TYPE_DURATION, que consiste em ARG_HOURS, ARG_MINUTES e ARG_SECONDS. Isso permite anotar diretamente a duração do tempo, garantindo uma saída de texto para fala precisa e consistente com serviços como o TalkBack.

Suporte a elementos com vários rótulos

Atualmente, o Android permite que elementos da interface derivem o rótulo de acessibilidade de outro e agora oferece a capacidade de associar vários rótulos, um cenário comum no conteúdo da Web. Ao introduzir uma API baseada em lista em AccessibilityNodeInfo, o Android pode oferecer suporte direto a essas relacionamentos com vários rótulos. Como parte dessa mudança, suspendemos o uso de AccessibilityNodeInfo#setLabeledBy e #getLabeledBy em favor de #addLabeledBy, #removeLabeledBy e #getLabeledByList.

Melhoria no suporte a elementos expansíveis

O Android 16 adiciona APIs de acessibilidade que permitem transmitir o estado aberto ou fechado de elementos interativos, como menus e listas expansíveis. Ao definir o estado expandido usando setExpandedState e enviar TYPE_WINDOW_CONTENT_CHANGED AccessibilityEvents com um tipo de mudança de conteúdo CONTENT_CHANGE_TYPE_EXPANDED, é possível garantir que leitores de tela como o TalkBack anunciem mudanças de estado, oferecendo uma experiência do usuário mais intuitiva e inclusiva.

Barras de progresso indeterminadas

O Android 16 adiciona RANGE_TYPE_INDETERMINATE, oferecendo uma maneira de exibir RangeInfo para widgets ProgressBar determinados e indeterminados, permitindo que serviços como o TalkBack forneçam feedback mais consistente para indicadores de progresso.

Caixa de seleção de três estados

Os novos métodos AccessibilityNodeInfo getChecked e setChecked(int) no Android 16 agora oferecem suporte a um estado "parcialmente verificado", além de "verificado" e "não verificado". Isso substitui os booleanos isChecked e setChecked(boolean), que foram descontinuados.

Descrições complementares

Quando um serviço de acessibilidade descreve um ViewGroup, ele combina marcadores de conteúdo das visualizações filhas. Se você fornecer um contentDescription para o ViewGroup, os serviços de acessibilidade vão assumir que você também está substituindo a descrição de visualizações filhas não focalizáveis. Isso pode ser um problema se você quiser rotular itens como um menu suspenso (por exemplo, "Família de fontes") e preservar a seleção atual para acessibilidade (por exemplo, "Roboto"). O Android 16 adiciona setSupplementalDescription para que você possa fornecer texto que ofereça informações sobre um ViewGroup sem substituir as informações dos filhos.

Campos obrigatórios do formulário

O Android 16 adiciona setFieldRequired a AccessibilityNodeInfo para que os apps possam informar a um serviço de acessibilidade que a entrada em um campo de formulário é obrigatória. Esse é um cenário importante para os usuários que preenchem muitos tipos de formulários, mesmo coisas simples como uma caixa de seleção de termos e condições, ajudando os usuários a identificar e navegar rapidamente entre os campos obrigatórios.

O smartphone como entrada de microfone para ligações com aparelhos auditivos de LEA

Android 16 adds the capability for users of LE Audio hearing aids to switch between the built-in microphones on the hearing aids and the microphone on their phone for voice calls. This can be helpful in noisy environments or other situations where the hearing aid's microphones might not perform well.

Controles de volume de ambiente para aparelhos auditivos LEA

Android 16 adds the capability for users of LE Audio hearing aids to adjust the volume of ambient sound that is picked up by the hearing aid's microphones. This can be helpful in situations where background noise is too loud or too quiet.

Câmera

O Android 16 aprimora o suporte a usuários de câmeras profissionais, permitindo a exposição automática híbrida, além de ajustes precisos de temperatura de cor e tonalidade. Um novo indicador de modo noturno ajuda o app a saber quando alternar para e de uma sessão de câmera no modo noturno. As novas ações Intent facilitam a captura de fotos em movimento. Continuamos melhorando as imagens UltraHDR com suporte à codificação HEIC e novos parâmetros do rascunho da norma ISO 21496-1.

Exposição automática híbrida

Android 16 adds new hybrid auto-exposure modes to Camera2, allowing you to manually control specific aspects of exposure while letting the auto-exposure (AE) algorithm handle the rest. You can control ISO + AE, and exposure time + AE, providing greater flexibility compared to the current approach where you either have full manual control or rely entirely on auto-exposure.

fun setISOPriority() {
    // ... (Your existing code before the snippet) ...

    val availablePriorityModes = mStaticInfo.characteristics.get(
        CameraCharacteristics.CONTROL_AE_AVAILABLE_PRIORITY_MODES
    )

    // ... (Your existing code between the snippets) ...

    // Turn on AE mode to set priority mode
    reqBuilder.set(
        CaptureRequest.CONTROL_AE_MODE,
        CameraMetadata.CONTROL_AE_MODE_ON
    )
    reqBuilder.set(
        CaptureRequest.CONTROL_AE_PRIORITY_MODE,
        CameraMetadata.CONTROL_AE_PRIORITY_MODE_SENSOR_SENSITIVITY_PRIORITY
    )
    reqBuilder.set(
        CaptureRequest.SENSOR_SENSITIVITY,
        TEST_SENSITIVITY_VALUE
    )
    val request: CaptureRequest = reqBuilder.build()

    // ... (Your existing code after the snippet) ...
}

Ajustes precisos de temperatura e matiz de cor

Android 16 adds camera support for fine color temperature and tint adjustments to better support professional video recording applications. In previous Android versions, you could control white balance settings through CONTROL_AWB_MODE, which contains options limited to a preset list, such as Incandescent, Cloudy, and Twilight. The COLOR_CORRECTION_MODE_CCT enables the use of COLOR_CORRECTION_COLOR_TEMPERATURE and COLOR_CORRECTION_COLOR_TINT for precise adjustments of white balance based on the correlated color temperature.

fun setCCT() {
    // ... (Your existing code before this point) ...

    val colorTemperatureRange: Range<Int> =
        mStaticInfo.characteristics[CameraCharacteristics.COLOR_CORRECTION_COLOR_TEMPERATURE_RANGE]

    // Set to manual mode to enable CCT mode
    reqBuilder[CaptureRequest.CONTROL_AWB_MODE] = CameraMetadata.CONTROL_AWB_MODE_OFF
    reqBuilder[CaptureRequest.COLOR_CORRECTION_MODE] = CameraMetadata.COLOR_CORRECTION_MODE_CCT
    reqBuilder[CaptureRequest.COLOR_CORRECTION_COLOR_TEMPERATURE] = 5000
    reqBuilder[CaptureRequest.COLOR_CORRECTION_COLOR_TINT] = 30

    val request: CaptureRequest = reqBuilder.build()

    // ... (Your existing code after this point) ...
}

The following examples show how a photo would look after applying different color temperature and tint adjustments:

Detecção de cena do modo noturno da câmera

To help your app know when to switch to and from a night mode camera session, Android 16 adds EXTENSION_NIGHT_MODE_INDICATOR. If supported, it's available in the CaptureResult within Camera2.

This is the API we briefly mentioned as coming soon in the How Instagram enabled users to take stunning low light photos blog post. That post is a practical guide on how to implement night mode together with a case study that links higher-quality in-app night mode photos with an increase in the number of photos shared from the in-app camera.

Ações de intent de captura de fotos com movimento

Android 16 adds standard Intent actions — ACTION_MOTION_PHOTO_CAPTURE, and ACTION_MOTION_PHOTO_CAPTURE_SECURE — which request that the camera application capture a motion photo and return it.

You must either pass an extra EXTRA_OUTPUT to control where the image will be written, or a Uri through Intent.setClipData(ClipData). If you don't set a ClipData, it will be copied there for you when calling Context.startActivity(Intent).

Melhorias de imagem UltraHDR

Android 16 continues our work to deliver dazzling image quality with UltraHDR images. It adds support for UltraHDR images in the HEIC file format. These images will get ImageFormat type HEIC_ULTRAHDR and will contain an embedded gainmap similar to the existing UltraHDR JPEG format. We're working on AVIF support for UltraHDR as well, so stay tuned.

In addition, Android 16 implements additional parameters in UltraHDR from the ISO 21496-1 draft standard, including the ability to get and set the colorspace that gainmap math should be applied in, as well as support for HDR encoded base images with SDR gainmaps.

Gráficos

O Android 16 inclui as melhorias gráficas mais recentes, como efeitos gráficos personalizados com AGSL.

Efeitos gráficos personalizados com a AGSL

Android 16 adds RuntimeColorFilter and RuntimeXfermode, allowing you to author complex effects like Threshold, Sepia, and Hue Saturation and apply them to draw calls. Since Android 13, you've been able to use AGSL to create custom RuntimeShaders that extend Shader. The new API mirrors this, adding an AGSL-powered RuntimeColorFilter that extends ColorFilter, and a Xfermode effect that lets you implement AGSL-based custom compositing and blending between source and destination pixels.

private val thresholdEffectString = """
    uniform half threshold;

    half4 main(half4 c) {
        half luminosity = dot(c.rgb, half3(0.2126, 0.7152, 0.0722));
        half bw = step(threshold, luminosity);
        return bw.xxx1 * c.a;
    }"""

fun setCustomColorFilter(paint: Paint) {
   val filter = RuntimeColorFilter(thresholdEffectString)
   filter.setFloatUniform(0.5);
   paint.colorFilter = filter
}

Conectividade

O Android 16 atualiza a plataforma para dar ao app acesso aos avanços mais recentes em comunicação e tecnologias sem fio.

Faixa de alcance com segurança reforçada

Android 16 adds support for robust security features in Wi-Fi location on supported devices with Wi-Fi 6's 802.11az, allowing apps to combine the higher accuracy, greater scalability, and dynamic scheduling of the protocol with security enhancements including AES-256-based encryption and protection against MITM attacks. This allows it to be used more safely in proximity use cases, such as unlocking a laptop or a vehicle door. 802.11az is integrated with the Wi-Fi 6 standard, leveraging its infrastructure and capabilities for wider adoption and easier deployment.

APIs genéricas de medição de distância

Android 16 includes the new RangingManager, which provides ways to determine the distance and angle on supported hardware between the local device and a remote device. RangingManager supports the usage of a variety of ranging technologies such as BLE channel sounding, BLE RSSI-based ranging, Ultra Wideband, and Wi-Fi round trip time.

Mídia

O Android 16 inclui vários recursos que melhoram a experiência de mídia.

Melhorias no seletor de fotos

The photo picker provides a safe, built-in way for users to grant your app access to selected images and videos from both local and cloud storage, instead of their entire media library. Using a combination of Modular System Components through Google System Updates and Google Play services, it's supported back to Android 4.4 (API level 19). Integration requires just a few lines of code with the associated Android Jetpack library.

Android 16 includes the following improvements to the photo picker:

• Embedded photo picker: New APIs that enable apps to embed the photo picker into their view hierarchy. This allows it to feel like a more integrated part of the app while still leveraging the process isolation that allows users to select media without the app needing overly broad permissions. To maximize compatibility across platform versions and simplify your integration, you'll want to use the forthcoming Android Jetpack library if you want to integrate the embedded photo picker.
• Cloud search in photo picker: New APIs that enable searching from the cloud media provider for the Android photo picker. Search functionality in the photo picker is coming soon.

Vídeo profissional avançado

Android 16 introduces support for the Advanced Professional Video (APV) codec which is designed to be used for professional level high quality video recording and post production.

The APV codec standard has the following features:

• Perceptually lossless video quality (close to raw video quality)
• Low complexity and high throughput intra-frame-only coding (without pixel domain prediction) to better support editing workflows
• Support for high bit-rate range up to a few Gbps for 2K, 4K and 8K resolution content, enabled by a lightweight entropy coding scheme
• Frame tiling for immersive content and for enabling parallel encoding and decoding
• Support for various chroma sampling formats and bit-depths
• Support for multiple decoding and re-encoding without severe visual quality degradation
• Support multi-view video and auxiliary video like depth, alpha, and preview
• Support for HDR10/10+ and user-defined metadata

A reference implementation of APV is provided through the OpenAPV project. Android 16 will implement support for the APV 422-10 Profile that provides YUV 422 color sampling along with 10-bit encoding and for target bitrates of up to 2Gbps.

Privacidade

O Android 16 inclui vários recursos que ajudam os desenvolvedores de apps a proteger a privacidade do usuário.

Atualizações do app Conexão Saúde

Health Connect in the developer preview adds ACTIVITY_INTENSITY, a new data type defined according to World Health Organization guidelines around moderate and vigorous activity. Each record requires the start time, the end time and whether the activity intensity is moderate or vigorous.

Health Connect also contains updated APIs supporting health records. This allows apps to read and write medical records in FHIR format with explicit user consent. This API is in an early access program. If you'd like to participate, sign up to be part of our early access program.

Sandbox de privacidade no Android

Android 16 incorporates the latest version of the Privacy Sandbox on Android, part of our ongoing work to develop technologies where users know their privacy is protected. Our website has more about the Privacy Sandbox on Android developer beta program to help you get started. Check out the SDK Runtime which allows SDKs to run in a dedicated runtime environment separate from the app they are serving, providing stronger safeguards around user data collection and sharing.

Segurança

O Android 16 inclui recursos que ajudam a melhorar a segurança e proteger os dados do app.

API de compartilhamento de chaves

Android 16 adds APIs that support sharing access to Android Keystore keys with other apps. The new KeyStoreManager class supports granting and revoking access to keys by app uid, and includes an API for apps to access shared keys.

Formatos de dispositivo

O Android 16 oferece suporte aos seus apps para aproveitar ao máximo os formatos do Android.

Estrutura padronizada de qualidade de imagem e áudio para TVs

The new MediaQuality package in Android 16 exposes a set of standardized APIs for access to audio and picture profiles and hardware-related settings. This allows streaming apps to query profiles and apply them to media dynamically:

• Movies mastered with a wider dynamic range require greater color accuracy to see subtle details in shadows and adjust to ambient light, so a profile that prefers color accuracy over brightness may be appropriate.
• Live sporting events are often mastered with a narrow dynamic range, but are often watched in daylight, so a profile that preferences brightness over color accuracy can give better results.
• Fully interactive content wants minimal processing to reduce latency, and wants higher frame rates, which is why many TV's ship with a game profile.

The API allows apps to switch between profiles and users to enjoy tuning supported TVs to best suit their content.

Internacionalização

O Android 16 adiciona recursos e capacidades que complementam a experiência do usuário quando um dispositivo é usado em diferentes idiomas.

Texto vertical

Android 16 adds low-level support for rendering and measuring text vertically to provide foundational vertical writing support for library developers. This is particularly useful for languages like Japanese that commonly use vertical writing systems. A new flag, VERTICAL_TEXT_FLAG, has been added to the Paint class. When this flag is set using Paint.setFlags, Paint's text measurement APIs will report vertical advances instead of horizontal advances, and Canvas will draw text vertically.

val text = "「春は、曙。」"
Box(
    Modifier.padding(innerPadding).background(Color.White).fillMaxSize().drawWithContent {
        drawIntoCanvas { canvas ->
            val paint = Paint().apply { textSize = 64.sp.toPx() }
            // Draw text vertically
            paint.flags = paint.flags or VERTICAL_TEXT_FLAG
            val height = paint.measureText(text)
            canvas.nativeCanvas.drawText(
                text,
                0,
                text.length,
                size.width / 2,
                (size.height - height) / 2,
                paint
            )
        }
    }
) {}

Personalização do sistema de medição

Users can now customize their measurement system in regional preferences within Settings. The user preference is included as part of the locale code, so you can register a BroadcastReceiver on ACTION_LOCALE_CHANGED to handle locale configuration changes when regional preferences change.

Using formatters can help match the local experience. For example, "0.5 in" in English (United States), is "12,7 mm" for a user who has set their phone to English (Denmark) or who uses their phone in English (United States) with the metric system as the measurement system preference.

To find these settings, open the Settings app and navigate to System > Languages & region.