این صفحه به‌وسیله ‏Cloud Translation API‏ ترجمه شده است.

نمای کلی ویژگی ها و API ها

اندروید 15 ویژگی ها و API های عالی را برای توسعه دهندگان معرفی می کند. بخش‌های زیر این ویژگی‌ها را خلاصه می‌کنند تا به شما در شروع کار با APIهای مرتبط کمک کنند.

برای فهرست دقیق APIهای اضافه شده، اصلاح شده و حذف شده، گزارش تفاوت API را بخوانید. برای جزئیات بیشتر در مورد APIهای اضافه شده به مرجع Android API مراجعه کنید — برای Android 15، به دنبال APIهایی بگردید که در سطح API 35 اضافه شده اند. برای اطلاع از مناطقی که تغییرات پلت فرم ممکن است بر برنامه های شما تأثیر بگذارد، حتماً تغییرات رفتار Android 15 را برای برنامه هایی که Android 15 و برای همه برنامه ها را هدف قرار می دهند بررسی کنید.

دوربین و رسانه

اندروید 15 شامل ویژگی‌های مختلفی است که تجربه دوربین و رسانه را بهبود می‌بخشد و به شما امکان می‌دهد به ابزارها و سخت‌افزارهایی برای حمایت از سازندگان برای زنده کردن دیدگاه‌شان در اندروید دسترسی داشته باشید.

برای اطلاعات بیشتر در مورد جدیدترین ویژگی‌ها و راه‌حل‌های برنامه‌نویس برای رسانه و دوربین Android، به بحث ساخت رسانه‌ها و تجربه‌های دوربین مدرن Android از Google I/O مراجعه کنید.

تقویت نور کم

Android 15 introduces Low Light Boost, an auto-exposure mode available to both Camera 2 and the night mode camera extension. Low Light Boost adjusts the exposure of the Preview stream in low-light conditions. This is different from how the night mode camera extension creates still images, because night mode combines a burst of photos to create a single, enhanced image. While night mode works very well for creating a still image, it can't create a continuous stream of frames, but Low Light Boost can. Thus, Low Light Boost enables camera capabilities, such as:

Providing an enhanced image preview, so users are better able to frame their low-light pictures
Scanning QR codes in low light

If you enable Low Light Boost, it automatically turns on when there's a low light level, and turns off when there's more light.

Apps can record off the Preview stream in low-light conditions to save a brightened video.

For more information, see Low Light Boost.

کنترل های دوربین درون برنامه ای

Android 15 adds an extension for more control over the camera hardware and its algorithms on supported devices:

Advanced flash strength adjustments enabling precise control of flash intensity in both SINGLE and TORCH modes while capturing images.

کنترل فضای سر HDR

Android 15 chooses HDR headroom that is appropriate for the underlying device capabilities and bit-depth of the panel. For pages that have lots of SDR content, such as a messaging app displaying a single HDR thumbnail, this behavior can end up adversely influencing the perceived brightness of the SDR content. Android 15 lets you control the HDR headroom with setDesiredHdrHeadroom to strike a balance between SDR and HDR content.

The brightness of SDR UI elements on the left screen appears to be more uniform than the brightness on the right screen, which simulates possible headroom issues when HDR and SDR content are mixed. By adjusting the HDR headroom, you can achieve a better balance between the SDR and HDR content.

کنترل بلندی صدا

Android 15 introduces support for the CTA-2075 loudness standard to help you avoid audio loudness inconsistencies and ensure users don't have to constantly adjust volume when switching between content. The system leverages known characteristics of the output devices (headphones and speaker) along with loudness metadata available in AAC audio content to intelligently adjust the audio loudness and dynamic range compression levels.

To enable this feature, you need to ensure loudness metadata is available in your AAC content and enable the platform feature in your app. For this, you instantiate a LoudnessCodecController object by calling its create factory method with the audio session ID from the associated AudioTrack; this automatically starts applying audio updates. You can pass an OnLoudnessCodecUpdateListener to modify or filter loudness parameters before they are applied on the MediaCodec.

// Media contains metadata of type MPEG_4 OR MPEG_D
val mediaCodec = …
val audioTrack = AudioTrack.Builder()
                                .setSessionId(sessionId)
                                .build()
...
// Create new loudness controller that applies the parameters to the MediaCodec
try {
   val lcController = LoudnessCodecController.create(mSessionId)
   // Starts applying audio updates for each added MediaCodec
}

AndroidX media3 ExoPlayer will also be updated to use the LoudnessCodecController APIs for a seamless app integration.

دستگاه های مجازی MIDI 2.0

Android 13 added support for connecting to MIDI 2.0 devices using USB, which communicate using Universal MIDI Packets (UMP). Android 15 extends UMP support to virtual MIDI apps, enabling composition apps to control synthesizer apps as a virtual MIDI 2.0 device just like they would with an USB MIDI 2.0 device.

رمزگشایی نرم افزار AV1 کارآمدتر

dav1d 徽标

dav1d 是 VideoLAN 推出的热门 AV1 软件解码器，适用于不支持硬件 AV1 解码的 Android 设备。与旧版 AV1 软件解码器相比，dav1d 的性能最高可提升 3 倍，让更多用户（包括一些低端和中端设备）能够播放高清 AV1 视频。

您的应用需要选择启用 dav1d，方法是通过名称 "c2.android.av1-dav1d.decoder" 调用它。在后续更新中，dav1d 将成为默认的 AV1 软件解码器。此支持已标准化，并向后移植到收到 Google Play 系统更新的 Android 11 设备。

بهره وری توسعه دهندگان و ابزار

در حالی که بیشتر کار ما برای بهبود بهره‌وری شما حول ابزارهایی مانند Android Studio ، Jetpack Compose ، و کتابخانه‌های Android Jetpack متمرکز است، ما همیشه به دنبال راه‌هایی در این پلتفرم هستیم تا به شما کمک کند راحت‌تر به دیدگاه خود پی ببرید.

به روز رسانی OpenJDK 17

Android 15 将继续更新 Android 的核心库，以与最新 OpenJDK LTS 版本中的功能保持一致。

其中包含以下主要功能和改进：

改进了 NIO 缓冲区的使用体验
数据流
其他 math 和 strictmath 方法
util 软件包更新，包括顺序的 collection、map 和 set
Deflater 中的 ByteBuffer 支持
安全更新，例如 X500PrivateCredential 和安全密钥更新

这些 API 会通过 Google Play 系统更新在搭载 Android 12（API 级别 31）及更高版本的 10 亿多部设备上更新，以便您以最新的编程功能为目标平台。

پیشرفت های PDF

Android 15 includes substantial improvements to the PdfRenderer APIs. Apps can incorporate advanced features such as rendering password-protected files, annotations, form editing, searching, and selection with copy. Linearized PDF optimizations are supported to speed local PDF viewing and reduce resource use. The Jetpack PDF library uses these APIs to simplify adding PDF viewing capabilities to your app.

The latest updates to PDF rendering include features such as searching an embedded PDF file.

The PdfRenderer has been moved to a module that can be updated using Google Play system updates independent of the platform release, and we're supporting these changes back to Android 11 (API level 30) by creating a compatible pre-Android 15 version of the API surface, called PdfRendererPreV.

اصلاحات تغییر خودکار زبان

Android 14 added on-device, multi-language recognition in audio with automatic switching between languages, but this can cause words to get dropped, especially when languages switch with less of a pause between the two utterances. Android 15 adds additional controls to help apps tune this switching to their use case. EXTRA_LANGUAGE_SWITCH_INITIAL_ACTIVE_DURATION_TIME_MILLIS confines the automatic switching to the beginning of the audio session, while EXTRA_LANGUAGE_SWITCH_MATCH_SWITCHES deactivates the language switching after a defined number of switches. These options are particularly useful if you expect that there will be a single language spoken during the session that should be autodetected.

API فونت متغیر OpenType بهبود یافته است

Android 15 improves the usability of the OpenType variable font. You can create a FontFamily instance from a variable font without specifying weight axes with the buildVariableFamily API. The text renderer overrides the value of wght axis to match the displaying text.

Using the API simplifies the code for creating a Typeface considerably:

Kotlin

val newTypeface = Typeface.CustomFallbackBuilder(
            FontFamily.Builder(
                Font.Builder(assets, "RobotoFlex.ttf").build())
                    .buildVariableFamily())
    .build()

Java

Typeface newTypeface = Typeface.CustomFallbackBuilder(
            new FontFamily.Builder(
                new Font.Builder(assets, "RobotoFlex.ttf").build())
                    .buildVariableFamily())
    .build();

Previously, to create the same Typeface, you would need much more code:

Kotlin

val oldTypeface = Typeface.CustomFallbackBuilder(
            FontFamily.Builder(
                Font.Builder(assets, "RobotoFlex.ttf")
                    .setFontVariationSettings("'wght' 400")
                    .setWeight(400)
                    .build())
                .addFont(
                    Font.Builder(assets, "RobotoFlex.ttf")
                        .setFontVariationSettings("'wght' 100")
                        .setWeight(100)
                        .build()
                )
                .addFont(
                    Font.Builder(assets, "RobotoFlex.ttf")
                        .setFontVariationSettings("'wght' 200")
                        .setWeight(200)
                        .build()
                )
                .addFont(
                    Font.Builder(assets, "RobotoFlex.ttf")
                        .setFontVariationSettings("'wght' 300")
                        .setWeight(300)
                        .build()
                )
                .addFont(
                    Font.Builder(assets, "RobotoFlex.ttf")
                        .setFontVariationSettings("'wght' 500")
                        .setWeight(500)
                        .build()
                )
                .addFont(
                    Font.Builder(assets, "RobotoFlex.ttf")
                        .setFontVariationSettings("'wght' 600")
                        .setWeight(600)
                        .build()
                )
                .addFont(
                    Font.Builder(assets, "RobotoFlex.ttf")
                        .setFontVariationSettings("'wght' 700")
                        .setWeight(700)
                        .build()
                )
                .addFont(
                    Font.Builder(assets, "RobotoFlex.ttf")
                        .setFontVariationSettings("'wght' 800")
                        .setWeight(800)
                        .build()
                )
                .addFont(
                    Font.Builder(assets, "RobotoFlex.ttf")
                        .setFontVariationSettings("'wght' 900")
                        .setWeight(900)
                        .build()
                ).build()
        ).build()

Java

Typeface oldTypeface = new Typeface.CustomFallbackBuilder(
    new FontFamily.Builder(
        new Font.Builder(assets, "RobotoFlex.ttf")
            .setFontVariationSettings("'wght' 400")
            .setWeight(400)
            .build()
    )
    .addFont(
        new Font.Builder(assets, "RobotoFlex.ttf")
            .setFontVariationSettings("'wght' 100")
            .setWeight(100)
            .build()
    )
    .addFont(
        new Font.Builder(assets, "RobotoFlex.ttf")
            .setFontVariationSettings("'wght' 200")
            .setWeight(200)
            .build()
    )
    .addFont(
        new Font.Builder(assets, "RobotoFlex.ttf")
            .setFontVariationSettings("'wght' 300")
            .setWeight(300)
            .build()
    )
    .addFont(
        new Font.Builder(assets, "RobotoFlex.ttf")
            .setFontVariationSettings("'wght' 500")
            .setWeight(500)
            .build()
    )
    .addFont(
        new Font.Builder(assets, "RobotoFlex.ttf")
            .setFontVariationSettings("'wght' 600")
            .setWeight(600)
            .build()
    )
    .addFont(
        new Font.Builder(assets, "RobotoFlex.ttf")
            .setFontVariationSettings("'wght' 700")
            .setWeight(700)
            .build()
    )
    .addFont(
        new Font.Builder(assets, "RobotoFlex.ttf")
            .setFontVariationSettings("'wght' 800")
            .setWeight(800)
            .build()
    )
    .addFont(
        new Font.Builder(assets, "RobotoFlex.ttf")
            .setFontVariationSettings("'wght' 900")
            .setWeight(900)
            .build()
    )
    .build()
).build();

Here's an example of how a Typeface created with both the old and new APIs renders:

An example of how Typeface rendering differs using new and old
APIs

In this example, the Typeface created with the old API doesn't have the capability to create accurate font weights for the 350, 450, 550 and 650 Font instances, so the renderer falls back to the closest weight. So in this case, 300 is rendered instead of 350, 400 is rendered instead of 450, and so on. By contrast, the Typeface created with the new APIs dynamically creates a Font instance for a given weight, so accurate weights are rendered for 350, 450, 550, and 650 as well.

کنترل های شکست خط دانه ای

Starting in Android 15, a TextView and the underlying line breaker can preserve the given portion of text in the same line to improve readability. You can take advantage of this line break customization by using the <nobreak> tag in string resources or createNoBreakSpan. Similarly, you can preserve words from hyphenation by using the <nohyphen> tag or createNoHyphenationSpan.

For example, the following string resource doesn't include a line break, and renders with the text "Pixel 8 Pro." breaking in an undesirable place:

<resources>
    <string name="pixel8pro">The power and brains behind Pixel 8 Pro.</string>
</resources>

In contrast, this string resource includes the <nobreak> tag, which wraps the phrase "Pixel 8 Pro." and prevents line breaks:

<resources>
    <string name="pixel8pro">The power and brains behind <nobreak>Pixel 8 Pro.</nobreak></string>
</resources>

The difference in how these strings are rendered is shown in the following images:

Layout for a line of text where the phrase "Pixel 8 Pro." isn't wrapped using a <nobreak> tag.

Layout for the same line of text where the phrase "Pixel 8 Pro." is wrapped using a <nobreak> tag.

بایگانی برنامه

Android and Google Play announced support for app archiving last year, allowing users to free up space by partially removing infrequently used apps from the device that were published using Android App Bundle on Google Play. Android 15 includes OS level support for app archiving and unarchiving, making it easier for all app stores to implement it.

Apps with the REQUEST_DELETE_PACKAGES permission can call the PackageInstaller requestArchive method to request archiving an installed app package, which removes the APK and any cached files, but persists user data. Archived apps are returned as displayable apps through the LauncherApps APIs; users will see a UI treatment to highlight that those apps are archived. If a user taps on an archived app, the responsible installer will get a request to unarchive it, and the restoration process can be monitored by the ACTION_PACKAGE_ADDED broadcast.

使用开发者选项在设备上启用 16 KB 模式

切换以 16KB 页面大小启动设备开发者选项，以在 16 KB 模式下启动设备。

从 Android 15 QPR1 开始，您可以使用某些设备上提供的开发者选项，以 16 KB 模式启动设备并执行设备端测试。在使用开发者选项之前，请依次前往设置 > 系统 > 软件更新，并应用所有可用的更新。

此开发者选项适用于以下设备：

Pixel 8 和 8 Pro（搭载 Android 15 QPR1 或更高版本）
Pixel 8a（搭载 Android 15 QPR1 或更高版本）
Pixel 9、9 Pro 和 9 Pro XL（搭载 Android 15 QPR2 Beta 2 或更高版本）

گرافیک

اندروید 15 جدیدترین پیشرفت‌های گرافیکی، از جمله ANGLE و اضافه‌شده‌ها به سیستم گرافیکی Canvas را به ارمغان می‌آورد.

مدرن کردن دسترسی به پردازنده گرافیکی اندروید

Vulkan logo

Android hardware has evolved quite a bit from the early days where the core OS would run on a single CPU and GPUs were accessed using APIs based on fixed-function pipelines. The Vulkan® graphics API has been available in the NDK since Android 7.0 (API level 24) with a lower-level abstraction that better reflects modern GPU hardware, scales better to support multiple CPU cores, and offers reduced CPU driver overhead — leading to improved app performance. Vulkan is supported by all modern game engines.

Vulkan is Android's preferred interface to the GPU. Therefore, Android 15 includes ANGLE as an optional layer for running OpenGL® ES on top of Vulkan. Moving to ANGLE will standardize the Android OpenGL implementation for improved compatibility, and, in some cases, improved performance. You can test out your OpenGL ES app stability and performance with ANGLE by enabling the developer option in Settings -> System -> Developer Options -> Experimental: Enable ANGLE on Android 15.

The Android ANGLE on Vulkan roadmap

Roadmap of upcoming changes to the Android GPU APIs.

As part of streamlining our GPU stack, going forward we will be shipping ANGLE as the GL system driver on more new devices, with the future expectation that OpenGL/ES will be only available through ANGLE. That being said, we plan to continue support for OpenGL ES on all devices.

Recommended next steps

Use the developer options to select the ANGLE driver for OpenGL ES and test your app. For new projects, we strongly encourage using Vulkan for C/C++.

بهبودهایی برای بوم

Android 15 continues our modernization of Android's Canvas graphics system with additional capabilities:

Matrix44 provides a 4x4 matrix for transforming coordinates that should be used when you want to manipulate the canvas in 3D.
clipShader intersects the current clip with the specified shader, while clipOutShader sets the clip to the difference of the current clip and the shader, each treating the shader as an alpha mask. This supports the drawing of complex shapes efficiently.

عملکرد و باتری

Android به تمرکز خود بر کمک به شما در بهبود عملکرد و کیفیت برنامه‌هایتان ادامه می‌دهد. Android 15 API هایی را معرفی می کند که به کارآمدتر کردن وظایف در برنامه شما برای اجرا، بهینه سازی عملکرد برنامه و جمع آوری اطلاعات بینش در مورد برنامه های شما کمک می کند.

برای بهترین شیوه‌های کارآمد باتری، اشکال‌زدایی شبکه و مصرف انرژی، و جزئیات نحوه بهبود کارایی باتری در کار پس‌زمینه در Android 15 و نسخه‌های اخیر Android، به بهبود کارایی باتری در کار پس‌زمینه در بحث Android از Google I/O مراجعه کنید.

ApplicationStartInfo API

In previous versions of Android, app startup has been a bit of a mystery. It was challenging to determine within your app whether it started from a cold, warm, or hot state. It was also difficult to know how long your app spent during the various launch phases: forking the process, calling onCreate, drawing the first frame, and more. When your Application class was instantiated, you had no way of knowing whether the app started from a broadcast, a content provider, a job, a backup, boot complete, an alarm, or an Activity.

The ApplicationStartInfo API on Android 15 provides all of this and more. You can even choose to add your own timestamps into the flow to help collect timing data in one place. In addition to collecting metrics, you can use ApplicationStartInfo to help directly optimize app startup; for example, you can eliminate the costly instantiation of UI-related libraries within your Application class when your app is starting up due to a broadcast.

اطلاعات دقیق اندازه برنامه

Since Android 8.0 (API level 26), Android has included the StorageStats.getAppBytes API that summarizes the installed size of an app as a single number of bytes, which is a sum of the APK size, the size of files extracted from the APK, and files that were generated on the device such as ahead-of-time (AOT) compiled code. This number is not very insightful in terms of how your app is using storage.

Android 15 adds the StorageStats.getAppBytesByDataType([type]) API, which lets you get insight into how your app is using up all that space, including APK file splits, AOT and speedup related code, dex metadata, libraries, and guided profiles.

پروفایل مدیریت شده توسط برنامه

Android 15 includes the ProfilingManager class, which lets you collect profiling information from within your app such as heap dumps, heap profiles, stack sampling, and more. It provides a callback to your app with a supplied tag to identify the output file, which is delivered to your app's files directory. The API does rate limiting to minimize the performance impact.

To simplify constructing profiling requests in your app, we recommend using the corresponding Profiling AndroidX API, available in Core 1.15.0-rc01 or higher.

بهبود پایگاه داده SQLite

Android 15 introduces SQLite APIs that expose advanced features from the underlying SQLite engine that target specific performance issues that can manifest in apps. These APIs are included with the update of SQLite to version 3.44.3.

Developers should consult best practices for SQLite performance to get the most out of their SQLite database, especially when working with large databases or when running latency-sensitive queries.

Read-only deferred transactions: when issuing transactions that are read-only (don't include write statements), use beginTransactionReadOnly() and beginTransactionWithListenerReadOnly(SQLiteTransactionListener) to issue read-only DEFERRED transactions. Such transactions can run concurrently with each other, and if the database is in WAL mode, they can run concurrently with IMMEDIATE or EXCLUSIVE transactions.
Row counts and IDs: APIs were added to retrieve the count of changed rows or the last inserted row ID without issuing an additional query. getLastChangedRowCount() returns the number of rows that were inserted, updated, or deleted by the most recent SQL statement within the current transaction, while getTotalChangedRowCount() returns the count on the current connection. getLastInsertRowId() returns the rowid of the last row to be inserted on the current connection.
Raw statements: issue a raw SQlite statement, bypassing convenience wrappers and any additional processing overhead that they may incur.

به‌روزرسانی‌های چارچوب عملکرد پویا اندروید

Android 15 continues our investment in the Android Dynamic Performance Framework (ADPF), a set of APIs that allow games and performance intensive apps to interact more directly with power and thermal systems of Android devices. On supported devices, Android 15 adds ADPF capabilities:

A power-efficiency mode for hint sessions to indicate that their associated threads should prefer power saving over performance, great for long-running background workloads.
GPU and CPU work durations can both be reported in hint sessions, allowing the system to adjust CPU and GPU frequencies together to best meet workload demands.
Thermal headroom thresholds to interpret possible thermal throttling status based on headroom prediction.

To learn more about how to use ADPF in your apps and games, head over to the documentation.

حریم خصوصی

اندروید 15 دارای ویژگی های مختلفی است که به توسعه دهندگان اپلیکیشن کمک می کند تا از حریم خصوصی کاربران محافظت کنند.

تشخیص ضبط صفحه

Android 15 增加了对应用的支持，以检测正在录制。每当应用转换时，系统都会调用回调在屏幕录制内容中处于可见与隐藏状态之间。如果正在记录注册进程的 UID 拥有的 activity，则系统会将应用视为可见。这样一来，如果您的应用执行敏感操作，您就可以告知用户正在录制他们的操作。

val mCallback = Consumer<Int> { state ->
  if (state == SCREEN_RECORDING_STATE_VISIBLE) {
    // We're being recorded
  } else {
    // We're not being recorded
  }
}

override fun onStart() {
   super.onStart()
   val initialState =
      windowManager.addScreenRecordingCallback(mainExecutor, mCallback)
   mCallback.accept(initialState)
}

override fun onStop() {
    super.onStop()
    windowManager.removeScreenRecordingCallback(mCallback)
}

قابلیت های IntentFilter گسترش یافته است

Android 15 builds in support for more precise Intent resolution through UriRelativeFilterGroup, which contains a set of UriRelativeFilter objects that form a set of Intent matching rules that must each be satisfied, including URL query parameters, URL fragments, and blocking or exclusion rules.

These rules can be defined in the AndroidManifest XML file with the <uri-relative-filter-group> tag, which can optionally include an android:allow tag. These tags can contain <data> tags that use existing data tag attributes as well as the android:query and android:fragment attributes.

Here's an example of the AndroidManifest syntax:

<intent-filter android:autoVerify="true">
  <action android:name="android.intent.action.VIEW" />
  <category android:name="android.intent.category.BROWSABLE" />
  <category android:name="android.intent.category.DEFAULT" />
  <data android:scheme="http" />
  <data android:scheme="https" />
  <data android:host="astore.com" />
  <uri-relative-filter-group>
    <data android:pathPrefix="/auth" />
    <data android:query="region=na" />
  </uri-relative-filter-group>
  <uri-relative-filter-group android:allow="false">
    <data android:pathPrefix="/auth" />
    <data android:query="mobileoptout=true" />
  </uri-relative-filter-group>
  <uri-relative-filter-group android:allow="false">
    <data android:pathPrefix="/auth" />
    <data android:fragmentPrefix="faq" />
  </uri-relative-filter-group>
</intent-filter>

فضای خصوصی

借助私密空间，用户可以在设备上创建一个单独的空间，在额外的身份验证层保护下，防止敏感应用遭到窥探。私密空间使用单独的用户个人资料。用户可以选择使用设备锁定方式或为私密空间使用单独的锁定方式。

私密空间中的应用会显示在启动器的单独容器中，并且当私密空间处于锁定状态时，这些应用不会显示在“最近用过”视图、通知、“设置”和其他应用中。用户生成的内容和下载的内容（例如媒体内容或文件）以及账号在私密空间和主空间之间是分开的。在私密空间处于解锁状态时，您可以使用系统 Sharesheet 和照片选择器向应用授予对各个空间中内容的访问权限。

用户无法将现有应用及其数据移至私密空间。相反，用户可以在私密空间中选择安装选项，以便使用他们偏好的任意应用商店安装应用。私密空间中的应用会作为主空间中任何应用的单独副本进行安装（同一应用的新副本）。

当用户锁定私密空间时，系统会停止该个人资料。在个人资料停止运行时，私密空间中的应用将不再处于活动状态，无法执行前台或后台活动，包括显示通知。

我们建议您使用私密空间测试应用，以确保应用能按预期运行，尤其是当您的应用属于以下某一类别时：

具有工作资料逻辑的应用：假定其应用的任何已安装副本（不在主资料中）均位于工作资料中。
医疗应用
启动器应用
应用商店应用

آخرین انتخاب کاربر را برای دسترسی به عکس‌های انتخابی جستجو کنید

现在，如果应用获得了部分访问权限，则只能突出显示最近选择的照片和视频。此功能可以改善频繁请求访问照片和视频的应用的用户体验。如需在应用中使用此功能，请在通过 ContentResolver 查询 MediaStore 时启用 QUERY_ARG_LATEST_SELECTION_ONLY 参数。

Kotlin

val externalContentUri = MediaStore.Files.getContentUri("external")

val mediaColumns = arrayOf(
   FileColumns._ID,
   FileColumns.DISPLAY_NAME,
   FileColumns.MIME_TYPE,
)

val queryArgs = bundleOf(
   // Return only items from the last selection (selected photos access)
   QUERY_ARG_LATEST_SELECTION_ONLY to true,
   // Sort returned items chronologically based on when they were added to the device's storage
   QUERY_ARG_SQL_SORT_ORDER to "${FileColumns.DATE_ADDED} DESC",
   QUERY_ARG_SQL_SELECTION to "${FileColumns.MEDIA_TYPE} = ? OR ${FileColumns.MEDIA_TYPE} = ?",
   QUERY_ARG_SQL_SELECTION_ARGS to arrayOf(
       FileColumns.MEDIA_TYPE_IMAGE.toString(),
       FileColumns.MEDIA_TYPE_VIDEO.toString()
   )
)

Java

Uri externalContentUri = MediaStore.Files.getContentUri("external");

String[] mediaColumns = {
    FileColumns._ID,
    FileColumns.DISPLAY_NAME,
    FileColumns.MIME_TYPE
};

Bundle queryArgs = new Bundle();
queryArgs.putBoolean(MediaStore.QUERY_ARG_LATEST_SELECTION_ONLY, true);
queryArgs.putString(MediaStore.QUERY_ARG_SQL_SORT_ORDER, FileColumns.DATE_ADDED + " DESC");
queryArgs.putString(MediaStore.QUERY_ARG_SQL_SELECTION, FileColumns.MEDIA_TYPE + " = ? OR " + FileColumns.MEDIA_TYPE + " = ?");
queryArgs.putStringArray(MediaStore.QUERY_ARG_SQL_SELECTION_ARGS, new String[] {
    String.valueOf(FileColumns.MEDIA_TYPE_IMAGE),
    String.valueOf(FileColumns.MEDIA_TYPE_VIDEO)
});

جعبه ایمنی حریم خصوصی در اندروید

Android 15 includes the latest Android Ad Services extensions, incorporating the latest version of the Privacy Sandbox on Android. This addition is part of our work to develop technologies that improve user privacy and enable effective, personalized advertising experiences for mobile apps. Our privacy sandbox page has more information about the Privacy Sandbox on Android developer preview and beta programs to help you get started.

Health Connect

Android 15 集成了与 Health Connect by Android 相关的最新扩展程序。Health Connect by Android 是一个安全的集中式平台，可用于管理和共享应用收集的健康与健身数据。此次更新增加了对健身、营养、体表温度、训练计划等。

体表温度追踪功能让用户可以更精确地存储和分享体表温度来自穿戴式设备或其他跟踪设备的体温数据。

训练计划是一种结构化的锻炼计划，可帮助用户实现健身目标。训练计划支持各种完成和表现目标：

围绕卡路里消耗量、距离、时长、重复次数和步数的完成目标。
围绕尽可能多重复 (AMRAP)、节奏、心率、功率、感知的用力率和速度的表现目标。

如需详细了解 Android 中 Health Connect 的最新更新，请参阅利用 Android 打造自适应体验健康演讲。

Android 15 supports app screen sharing so users can share or record just an app window rather than the entire device screen. This feature, first enabled in Android 14 QPR2, includes MediaProjection callbacks that allow your app to customize the app screen sharing experience. Note that for apps targeting Android 14 (API level 34) or higher, user consent is required for each MediaProjection capture session.

تجربه کاربری و رابط کاربری سیستم

اندروید 15 به توسعه دهندگان و کاربران برنامه کنترل و انعطاف بیشتری را برای پیکربندی دستگاه خود مطابق با نیازهایشان می دهد.

برای کسب اطلاعات بیشتر در مورد نحوه استفاده از آخرین پیشرفت‌ها در Android 15 برای بهبود تجربه کاربری برنامه، به بحث بهبود تجربه کاربری برنامه Android خود از Google I/O مراجعه کنید.

پیش‌نمایش‌های غنی‌تر ویجت با Generated Previews API

Before Android 15, the only way to provide widget picker previews was to specify a static image or layout resource. These previews often differ significantly from the look of the actual widget when it is placed on the home screen. Also, static resources can't be created with Jetpack Glance, so a Glance developer had to screenshot their widget or create an XML layout to have a widget preview.

Android 15 adds support for generated previews. This means that app widget providers can generate RemoteViews to use as the picker preview, instead of a static resource.

Apps can provide Remote Views to the Widget Picker, so they can update the content in the picker to be more representative of what the user will see.

Push API

Apps can provide generated previews through a push API. Apps can provide previews at any point in their lifecycle, and don't receive an explicit request from the host to provide previews. Previews are persisted in AppWidgetService, and hosts can request them on-demand. The following example loads an XML widget layout resource and sets it as the preview:

AppWidgetManager.getInstance(appContext).setWidgetPreview(
   ComponentName(
       appContext,
       SociaLiteAppWidgetReceiver::class.java
   ),
   AppWidgetProviderInfo.WIDGET_CATEGORY_HOME_SCREEN,
   RemoteViews("com.example", R.layout.widget_preview)
)

The expected flow is:

At any time, the widget provider calls setWidgetPreview. The provided previews are persisted in AppWidgetService with other provider info.
setWidgetPreview notifies hosts of an updated preview through the AppWidgetHost.onProvidersChanged callback. In response, the widget host reloads all of its provider information.
When displaying a widget preview, the host checks AppWidgetProviderInfo.generatedPreviewCategories, and if the chosen category is available, calls AppWidgetManager.getWidgetPreview to return the saved preview for this provider.

When to call `setWidgetPreview`

Because there is no callback to provide previews, apps can choose to send previews at any point when they are running. How often to update the preview depends on the widget's use case.

The following list describes the two main categories of preview use cases:

Providers that show real data in their widget previews, such as personalized or recent information. These providers can set the preview once the user has signed in or has done initial configuration in their app. After this, they can set up a periodic task to update the previews at their chosen cadence. Examples of this type of widget could be a photo, calendar, weather or news widget.
Providers that show static information in previews or quick-action widgets that don't display any data. These providers can set previews once, when the app first launches. Examples of this type of widget include a drive quick actions widget or chrome shortcuts widget.

Some providers might show static previews on the hub mode picker, but real information on the homescreen picker. These providers should follow the guidance for both of these use cases to set previews.

تصویر در تصویر

Android 15 引入了画中画 (PiP) 方面的变更，确保实现更流畅的过渡效果。对于在主界面上叠加界面元素的应用，这将非常有用，因为这些界面元素会进入 PiP。

开发者使用 onPictureInPictureModeChanged 回调来定义逻辑用于切换叠加界面元素的可见性。此回调是在画中画进入或退出动画播放完毕时触发。距离开始还有 Android 15 中，PictureInPictureUiState 类包含另一种状态。

在此界面状态下，以 Android 15（API 级别 35）为目标平台的应用将遵守使用以下参数调用 Activity#onPictureInPictureUiStateChanged 回调： isTransitioningToPip()。还有在画中画模式下，有很多与应用无关的界面元素，包含建议、评分和标题当应用进入画中画模式时，请使用 onPictureInPictureUiStateChanged 回调以隐藏这些界面元素。当应用从画中画窗口进入全屏模式，使用 onPictureInPictureModeChanged 回调以取消隐藏这些元素，如请参阅以下示例：

override fun onPictureInPictureUiStateChanged(pipState: PictureInPictureUiState) {
        if (pipState.isTransitioningToPip()) {
          // Hide UI elements
        }
    }

override fun onPictureInPictureModeChanged(isInPictureInPictureMode: Boolean) {
        if (isInPictureInPictureMode) {
          // Unhide UI elements
        }
    }

不相关界面元素的快速可见性切换（适用于画中画窗口）有助于确保画中画播放动画更流畅、无闪烁。

قوانین مزاحم نشوید بهبود یافته است

AutomaticZenRule 允许应用自定义注意力机制管理（勿扰）规则，并确定何时启用或停用。Android 15 极大地增强了这些规则，旨在提高用户体验。其中包含以下增强功能：

向 AutomaticZenRule 添加类型，让系统能够应用特殊类型对某些规则的处理
向 AutomaticZenRule 添加图标，使模式更加丰富易于识别。
将 triggerDescription 字符串添加到 AutomaticZenRule，用于描述规则应当对用户生效的条件。
已添加 ZenDeviceEffects 更改为AutomaticZenRule，从而允许规则触发灰度等操作显示、夜间模式或调暗壁纸。

VibrationEffect را برای کانال های اعلان تنظیم کنید

Android 15 supports setting rich vibrations for incoming notifications by channel using NotificationChannel.setVibrationEffect, so your users can distinguish between different types of notifications without having to look at their device.

تراشه نوار وضعیت نمایش رسانه و توقف خودکار

Media projection can expose private user information. A new, prominent status bar chip makes users aware of any ongoing screen projection. Users can tap the chip to stop screen casting, sharing, or recording. Also, for a more intuitive user experience, any in‑progress screen projection now automatically stops when the device screen is locked.

صفحه نمایش های بزرگ و عوامل شکل

Android 15 به برنامه‌های شما پشتیبانی می‌کند تا از فاکتورهای فرم اندروید، از جمله صفحه‌نمایش‌های بزرگ، قابلیت‌های تاشو، و تاشو نهایت استفاده را ببرند.

چندوظیفه ای با صفحه نمایش بزرگ بهبود یافته است

Users can save their favorite split-screen app combinations for
quick access

Android 15 gives users better ways to multitask on large screen devices. For example, users can save their favorite split-screen app combinations for quick access and pin the taskbar on screen to quickly switch between apps. This means that making sure your app is adaptive is more important than ever.

Google I/O has sessions on Building adaptive Android apps and Building UI with the Material 3 adaptive library that can help, and our documentation has more to help you Design for large screens.

پشتیبانی از صفحه نمایش پوششی

您的应用可以声明一个属性，Android 15 会使用该属性来允许您的 Application 或 Activity 显示在受支持的可翻转设备的小封面屏幕上。这些屏幕太小，无法被视为适合运行 Android 应用的兼容目标平台，但您的应用可以选择支持它们，从而让您的应用在更多平台上可用。

قابلیت اتصال

Android 15 پلتفرم را به روز می کند تا برنامه شما به آخرین پیشرفت ها در زمینه ارتباطات و فناوری های بی سیم دسترسی داشته باشد.

پشتیبانی ماهواره ای

Android 15 继续扩大对卫星连接的平台支持，并包含一些界面元素，以确保在整个卫星连接环境中提供一致的用户体验。

应用可以使用 ServiceState.isUsingNonTerrestrialNetwork() 执行以下操作：检测设备是否连接到卫星，让他们更清楚地了解可能会导致完全网络服务不可用的原因此外，Android 15 支持短信和彩信应用以及预加载的 RCS 应用，以便使用卫星连接发送和接收消息。

تجربه های روان تر NFC

Android 15 is working to make the tap to pay experience more seamless and reliable while continuing to support Android's robust NFC app ecosystem. On supported devices, apps can request the NfcAdapter to enter observe mode, where the device listens but doesn't respond to NFC readers, sending the app's NFC service PollingFrame objects to process. The PollingFrame objects can be used to auth ahead of the first communication to the NFC reader, allowing for a one tap transaction in many cases.

In addition, apps can register a filter on supported devices so they can be notified of polling loop activity, which allows for smooth operation with multiple NFC-aware applications.

نقش کیف پول

اندروید 15 نقش کیف پول را معرفی می‌کند که اجازه می‌دهد با برنامه کیف پول ترجیحی کاربر یکپارچه‌تر شود. این نقش جایگزین تنظیم پیش‌فرض پرداخت بدون تماس NFC می‌شود. کاربران می توانند با رفتن به تنظیمات > برنامه ها > برنامه های پیش فرض، دارنده نقش Wallet را مدیریت کنند.

نقش Wallet هنگام مسیریابی شیرهای NFC برای ایدزهای ثبت شده در دسته پرداخت استفاده می شود. ضربه ها همیشه به دارنده نقش Wallet می روند مگر اینکه برنامه دیگری که برای همان AID ثبت شده باشد در پیش زمینه اجرا شود.

این نقش همچنین برای تعیین محل قرار گرفتن کاشی دسترسی سریع کیف پول هنگام فعال شدن استفاده می شود. وقتی نقش روی «هیچ‌کدام» تنظیم شود، کاشی دسترسی سریع در دسترس نیست و ضربه‌های NFC دسته پرداخت فقط به برنامه پیش‌زمینه تحویل داده می‌شود.

امنیت

Android 15 به شما کمک می کند امنیت برنامه خود را افزایش دهید، از داده های برنامه خود محافظت کنید، و به کاربران شفافیت و کنترل بیشتری بر روی داده های خود می دهد. برای اطلاعات بیشتر در مورد کارهایی که برای بهبود ایمنی کاربر و محافظت از برنامه شما در برابر تهدیدات جدید انجام می دهیم، گفتگوی حفاظت از امنیت کاربر در Android را از Google I/O ببینید.

مدیریت اعتبار را با تکمیل خودکار ادغام کنید

从 Android 15 开始，开发者可以将用户名或密码字段等特定视图与 Credential Manager 请求相关联，从而更轻松地在登录过程中提供量身定制的用户体验。当用户聚焦于其中一个视图时，系统会向 Credential Manager 发送相应请求。系统会汇总来自各个提供商的凭据，并在自动填充后备界面（例如内嵌建议或下拉菜单建议）中显示这些凭据。Jetpack androidx.credentials 库是开发者首选的端点，很快将在 Android 15 及更高版本中推出，以进一步增强此功能。

ثبت‌نام و ورود با یک ضربه را با اعلان‌های بیومتریک ادغام کنید

Credential Manager integrates biometric prompts into the credential creation and sign-in processes, eliminating the need for providers to manage biometric prompts. As a result, credential providers only need to focus on the results of the create and get flows, augmented with the biometric flow result. This simplified process creates a more efficient and streamlined credential creation and retrieval process.

مدیریت کلید برای رمزگذاری سرتاسر

We are introducing the E2eeContactKeysManager in Android 15, which facilitates end-to-end encryption (E2EE) in your Android apps by providing an OS-level API for the storage of cryptographic public keys.

The E2eeContactKeysManager is designed to integrate with the platform contacts app to give users a centralized way to manage and verify their contacts' public keys.

مجوزهای URI محتوا را بررسی می کند

Android 15 引入了一组用于对内容 URI 执行权限检查的 API：

Context.checkContentUriPermissionFull：此选项会对内容 URI 执行完整权限检查。
Activity 清单属性 requireContentUriPermissionFromCaller：此属性会在 activity 启动时对提供的内容 URI 强制执行指定权限。
Activity 调用方的 ComponentCaller 类：此类表示启动 activity 的应用。

دسترسی

اندروید 15 ویژگی هایی را اضافه می کند که دسترسی کاربران را بهبود می بخشد.

خط بریل بهتر

In Android 15, we've made it possible for TalkBack to support Braille displays that are using the HID standard over both USB and secure Bluetooth.

This standard, much like the one used by mice and keyboards, will help Android support a wider range of Braille displays over time.

بین المللی شدن

اندروید 15 ویژگی‌ها و قابلیت‌هایی را اضافه می‌کند که تجربه کاربر را در هنگام استفاده از دستگاه به زبان‌های مختلف تکمیل می‌کند.

فونت متغیر CJK

Starting with Android 15, the font file for Chinese, Japanese, and Korean (CJK) languages, NotoSansCJK, is now a variable font. Variable fonts open up possibilities for creative typography in CJK languages. Designers can explore a broader range of styles and create visually striking layouts that were previously difficult or impossible to achieve.

How the variable font for Chinese, Japanese, and Korean (CJK) languages appears with different font widths.

توجیه بین شخصیتی

Starting with Android 15, text can be justified utilizing letter spacing by using JUSTIFICATION_MODE_INTER_CHARACTER. Inter-word justification was first introduced in Android 8.0 (API level 26), and inter-character justification provides similar capabilities for languages that use the whitespace character for segmentation, such as Chinese, Japanese, and others.

Layout for Japanese text using JUSTIFICATION_MODE_NONE.

Layout for English text using JUSTIFICATION_MODE_NONE.

Layout for Japanese text using JUSTIFICATION_MODE_INTER_WORD.

Layout for English text using JUSTIFICATION_MODE_INTER_WORD.

Layout for Japanese text using the JUSTIFICATION_MODE_INTER_CHARACTER.

Layout for English text using the JUSTIFICATION_MODE_INTER_CHARACTER.

پیکربندی خودکار شکست خط

Android started supporting phrase-based line breaks for Japanese and Korean in Android 13 (API level 33). However, while phrase-based line breaks improve the readability of short lines of text, they don't work well for long lines of text. In Android 15, apps can apply phrase-based line breaks only for short lines of text, using the LINE_BREAK_WORD_STYLE_AUTO option. This option selects the best word style option for the text.

For short lines of text, phrase-based line breaks are used, functioning the same as LINE_BREAK_WORD_STYLE_PHRASE, as shown in the following image:

For short lines of text, `LINE_BREAK_WORD_STYLE_AUTO` applies phrase-based line breaks to improve the readability of the text. This is the same as applying `LINE_BREAK_WORD_STYLE_PHRASE`.

For longer lines of text, LINE_BREAK_WORD_STYLE_AUTO uses a no line-break word style, functioning the same as LINE_BREAK_WORD_STYLE_NONE, as shown in the following image:

For long lines of text, `LINE_BREAK_WORD_STYLE_AUTO` applies no line-break word style to improve the readability of the text. This is the same as applying `LINE_BREAK_WORD_STYLE_NONE`.

فونت ژاپنی Hentaigana اضافی

在 Android 15 中，旧版日语平假名（也称为 Hentaigana）字体文件捆绑在一起半形人物的独特形状可以增加风格或设计独特的风格传播和理解古代日本文件的能力。

VideoLAN cone Copyright (c) 1996-2010 VideoLAN. This logo or a modified version may be used or modified by anyone to refer to the VideoLAN project or any product developed by the VideoLAN team, but does not indicate endorsement by the project.

Vulkan and the Vulkan logo are registered trademarks of the Khronos Group Inc.

OpenGL is a registered trademark and the OpenGL ES logo is a trademark of Hewlett Packard Enterprise used by permission by Khronos.

نمای کلی ویژگی ها و API ها با مجموعه‌ها، منظم بمانید ذخیره و طبقه‌بندی محتوا براساس اولویت‌های شما.

دوربین و رسانه

تقویت نور کم

کنترل های دوربین درون برنامه ای

کنترل فضای سر HDR

کنترل بلندی صدا

دستگاه های مجازی MIDI 2.0

رمزگشایی نرم افزار AV1 کارآمدتر

بهره وری توسعه دهندگان و ابزار

به روز رسانی OpenJDK 17

پیشرفت های PDF

اصلاحات تغییر خودکار زبان

API فونت متغیر OpenType بهبود یافته است

Kotlin

Java

Kotlin

Java

کنترل های شکست خط دانه ای

بایگانی برنامه

使用开发者选项在设备上启用 16 KB 模式

گرافیک

مدرن کردن دسترسی به پردازنده گرافیکی اندروید

The Android ANGLE on Vulkan roadmap

Recommended next steps

بهبودهایی برای بوم

عملکرد و باتری

ApplicationStartInfo API

اطلاعات دقیق اندازه برنامه

پروفایل مدیریت شده توسط برنامه

بهبود پایگاه داده SQLite

به‌روزرسانی‌های چارچوب عملکرد پویا اندروید

حریم خصوصی

تشخیص ضبط صفحه

قابلیت های IntentFilter گسترش یافته است

فضای خصوصی

آخرین انتخاب کاربر را برای دسترسی به عکس‌های انتخابی جستجو کنید

Kotlin

Java

جعبه ایمنی حریم خصوصی در اندروید

Health Connect

اشتراک گذاری صفحه نمایش برنامه

تجربه کاربری و رابط کاربری سیستم

پیش‌نمایش‌های غنی‌تر ویجت با Generated Previews API

Push API

When to call setWidgetPreview

تصویر در تصویر

قوانین مزاحم نشوید بهبود یافته است

VibrationEffect را برای کانال های اعلان تنظیم کنید

تراشه نوار وضعیت نمایش رسانه و توقف خودکار

صفحه نمایش های بزرگ و عوامل شکل

چندوظیفه ای با صفحه نمایش بزرگ بهبود یافته است

پشتیبانی از صفحه نمایش پوششی

قابلیت اتصال

پشتیبانی ماهواره ای

تجربه های روان تر NFC

نقش کیف پول

امنیت

مدیریت اعتبار را با تکمیل خودکار ادغام کنید

ثبت‌نام و ورود با یک ضربه را با اعلان‌های بیومتریک ادغام کنید

مدیریت کلید برای رمزگذاری سرتاسر

مجوزهای URI محتوا را بررسی می کند

دسترسی

خط بریل بهتر

بین المللی شدن

فونت متغیر CJK

توجیه بین شخصیتی

پیکربندی خودکار شکست خط

فونت ژاپنی Hentaigana اضافی

نمای کلی ویژگی ها و API ها

When to call `setWidgetPreview`