Merge "Docs: Added AS 2.0 Release Notes" into mnc-mr-docs
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Adarsh Fernando
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Android (Google) Code Review
Android (Google) Code Review
commit
a49d235b07
@@ -19,11 +19,21 @@ page.title=Android Studio Release Notes
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everything you need to begin developing Android apps:</p>
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<ul>
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<li>IntelliJ IDE + Android Studio plugin</li>
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<li>Android SDK Tools</li>
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<li>Android Platform-tools</li>
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<li>A version of the Android platform</li>
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<li>A version of the Android system image for the emulator</li>
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<li>IntelliJ IDE + Android Studio plugin
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</li>
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<li>Android SDK Tools
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</li>
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<li>Android Platform-tools
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</li>
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<li>A version of the Android platform
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</li>
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<li>Android Emulator with an Android system image including Google Play
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Services
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</li>
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</ul>
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<p>For an introduction to Android Studio, read the
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@@ -39,9 +49,256 @@ select <strong>Android Studio > Check for updates</strong>).</p>
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<p>The sections below provide notes about successive releases of
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Android Studio, as denoted by revision number. </p>
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<div class="toggle-content opened">
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<div class="toggle-content open">
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<p><a href="#" onclick="return toggleContent(this)">
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<img src="{@docRoot}assets/images/styles/disclosure_up.png" class="toggle-content-img"
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alt=""/>Android Studio v2.0.0</a> <em>(March 2016)</em>
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</p>
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<div class="toggle-content-toggleme">
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<p class="note">
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<strong>Note:</strong> If you are developing for the N Developer Preview, you
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should use Android Studio 2.1 Preview. Android Studio 2.0 does not support
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all the features required to target the N Preview. To learn more, read about
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how to properly <a href="{@docRoot}preview/setup-sdk.html">set up your
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developer environment</a> for the N Preview.
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</p>
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<p>
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<strong>Instant Run</strong>:
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</p>
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<ul>
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<li>Android Studio now deploys clean builds faster than ever before.
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Additionally, pushing incremental code changes to the emulator or a physical
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device is now almost instantaneous. Review your updates without redeploying a
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new debug build or, in many cases, without restarting the app.
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</li>
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<li>Instant Run supports pushing the following changes to a running app:
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<ul>
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<li>Changes to the implementation of an existing instance method or
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static method
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</li>
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<li>Changes to an existing app resource
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</li>
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<li>Changes to structural code, such as a method signature or a static
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field (requires a target device running API level 21 or higher).
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</li>
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</ul>
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</li>
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<li>Read the documentation to learn more <a href=
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"{@docRoot}tools/building/building-studio.html#instant-run">about Instant
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Run</a>.
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<p class="note">
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<strong>Note:</strong> Instant Run is supported only when you deploy the
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debug build variant, use <a href=
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"{@docRoot}tools/revisions/gradle-plugin.html#revisions">Android Plugin for
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Gradle version 2.0.0</a> or higher, and configure your app's module-level
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<code>build.gradle</code> file for <code>minSdkVersion 15</code> or higher.
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For the best performance, configure your app for <code>minSdkVersion
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21</code> or higher.
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</p>
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</li>
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</ul>
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<p>
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<strong>Android Emulator 2.0</strong>:
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</p>
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<ul>
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<li>Performance improvements:
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</li>
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<ul>
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<li>Emulator now uses CPU acceleration on x86 emulator system images by
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default.
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</li>
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<li>Added <a href="{@docRoot}training/articles/smp.html">SMP</a> support
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to take advantage of host multi-core architecture when emulating Android
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6.0 (API level 23) or higher, resulting in much better performance and
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speed than the physical counterpart. Also with SMP support, you can test
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apps that specifically target multi-core Android devices.
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</li>
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<li>Improved data and APK push-pull protocol between the the <a href=
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"{@docRoot}tools/help/adb.html">Android Debug Bridge</a> and devices
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running Android 5.0 (API level 21) or higher. See speed improvements up
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to five times faster than using a physical device.
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</li>
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</ul>
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<li>Extended UI controls and a floating toolbar provide easy access to features
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previously available only through the command line, such as taking screen
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captures, adjusting the battery level, rotating the screen, and managing
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virtual calls.
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</li>
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<li>Upload KML and GPX files to play back a set of custom location points.
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</li>
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<li>Dynamically resize the emulator by dragging a corner or zoom into the
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emulator window.
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</li>
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<li>Install APKs or add media files to the emulator’s internal SD card by
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dragging and dropping files into the emulator window.
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</li>
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<li>Simulate multi-touch input. While interacting with the emulator screen,
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enter multi-touch mode by holding down the <strong>Ctrl</strong> key on
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Windown/Linux, or <strong>Command</strong> key on Mac OSX.
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</li>
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<li>Improvements to the <a href=
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"{@docRoot}tools/devices/managing-avds.html">Android Virtual Device
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Manager</a>:
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<ul>
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<li>System images are now categorized under the following tabs:
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<em>Recommended</em>, <em>x86</em>, and <em>Other</em>.
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</li>
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<li>Under advanced settings, you can enable multi-core support and
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specify the number of cores the emulator can use.
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</li>
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<li>Under advanced settings, you can determine how graphics are rendered
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on the emulator by selecting one of the following options:
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<ul>
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<li>
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<strong>Hardware:</strong> use you computer's graphics card for
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faster rendering.
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</li>
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<li>
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<strong>Software:</strong> use software-based rendering.
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</li>
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<li>
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<strong>Auto:</strong> let the emulator decide the best option. This
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is the default setting.
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</li>
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</ul>
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</li>
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</ul>
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</li>
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<li>Read the documentation to find out more about <a href=
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"{@docRoot}tools/devices/emulator.html">using the Android Emulator</a>.
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</li>
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</ul>
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<p><strong>New additions to Lint:</strong></p>
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<ul>
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<li>Inspection of {@code switch} statements using {@link
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android.support.annotation.IntDef @IntDef} annotated integers to make sure
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all constants are handled. To quickly add any missing statements, use the the
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intention action drop-down menu and select <b>Add Missing @IntDef
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Constants</b>.
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</li>
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<li>Flags for incorrect attempts to use string interpolation to insert
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version numbers in the {@code build.gradle} file.
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</li>
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<li>Flags for anonymous classes that extend the {@link android.app.Fragment
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Fragment} class.
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</li>
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<li>Flags for native code in unsafe locations, such as the {@code res/} and {@code
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asset/} folders. This flag encourages storing native code in the {@code libs/}
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folder, which is then securely packaged into the application’s {@code
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data/app-lib/} folder at install time. <a class="external-link" href=
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"https://android-review.googlesource.com/#/c/169950/">AOSP: #169950</a>
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</li>
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<li>Flags for unsafe calls to {@link java.lang.Runtime#load(java.lang.String)
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Runtime.load()} and {@link java.lang.System#load(java.lang.String)
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System.load()} calls. <a class="external-link" href=
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"https://android-review.googlesource.com/#/c/179980/">AOSP: #179980</a>
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</li>
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<li>Find and remove any unused resources by selecting <b>Refactor > Remove
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Unused Resources</b> from the menu bar. Unused resource detection now
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supports resources only referenced by unused resources, references in raw
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files such as {@code .html} image references, and {@code tools:keep} and
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{@code tools:discard} attributes used by the Gradle resource shrinker, while
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considering inactive source sets (such as resources used in other build
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flavors) and properly handling static field imports.
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</li>
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<li>Checks that implicit API references are supported on all platforms
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targeted by {@code minSdkVersion}.
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</li>
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<li>Flags improper usage of {@link android.support.v7.widget.RecyclerView}
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and {@link android.os.Parcelable}.
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</li>
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<li>{@link android.support.annotation.IntDef @IntDef}, {@link
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android.support.annotation.IntRange @IntRange}, and {@link
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android.support.annotation.Size @Size} inspections are now also checked for
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{@code int} arrays and varargs.
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</li>
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</ul>
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<p><strong>Additional Improvements</strong>:</p>
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<ul>
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<li>Improved AAPT packaging times by specifying deploy target before the app
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is built. This allows Android Studio to efficiently package only the
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resources required by the specified device.
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</li>
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<li>Added Cloud Test Lab integration to provide on-demand app testing with
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the convenience and scalability of a cloud service. Learn more about how you
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can <a href="{@docRoot}training/testing/start/index.html#run-ctl">use Cloud
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Test Lab with Android Studio</a>.
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</li>
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<li>Added a preview of the new <a class="external-link" href=
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"//tools.android.com/tech-docs/gpu-profiler">GPU Debugger</a>. For graphics
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intensive applications, you can now visually step through your OpenGL ES code
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to optimize your app or game.
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</li>
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<li>Added support for Google App Indexing integration and testing. Add deep
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links, app indexing, and search functionality to your apps to help drive more
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traffic to your app, discover which app content is used most, and attract new
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users. Test and validate your URL links in your app all within Android
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Studio. Learn more about implementing and testing <a href=
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"{@docRoot}tools/help/app-link-indexing.html">Deep Link and App Indexing
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APIs</a>.
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</li>
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<li>Upgrades from the latest IntelliJ 15 release, including improved code
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analysis and performance. See <a class="external-link" href=
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"https://www.jetbrains.com/idea/whatsnew">What's New in IntelliJ</a> for a
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complete description of the new features and enhancements.
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</li>
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<li>XML editor auto-complete now adds quotations marks when completing
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attributes. To check if this option is enabled, open the <b>Setting</b> or
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<b>Preferences</b> dialogue, navigate to <b>Editor > General > Smart
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Keys</b>, and check the box next to <b>Add quotes for attribute value on
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attribute completion</b>. <a class="external-link" href=
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"//b.android.com/195113">Issue: 195113</a>
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</li>
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<li>The XML editor now supports code completion for <a href=
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"{@docRoot}tools/data-binding/guide.html#layout_details">data binding</a>
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expressions.
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</li>
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</ul>
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</div>
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</div>
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<div class="toggle-content closed">
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<p><a href="#" onclick="return toggleContent(this)">
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<img src="{@docRoot}assets/images/styles/disclosure_down.png" class="toggle-content-img"
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alt=""/>Android Studio v1.5.1</a> <em>(December 2015)</em>
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</p>
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<div class="toggle-content-toggleme">
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Block a user