Release updates archive

ConstraintLayout 2.1.0 alpha 1

Thursday, November 19, 2020

dependencies {

implementation 'androidx.constraintlayout:constraintlayout:2.1.0-alpha1'

}

2.1.0 alpha 1 Features

Highlights of this release include:

Carousel - a motion helper to build custom carousel views
Scalability - MotionScenes can be more compact and support includes
Rotation support - A collection of features to support rotation (input and output)
ViewTransitions - a single view transition to simplify state management
Github - ongoing development happens on github: https://github.com/androidx/constraintlayout

More details and documentation can be found at: https://github.com/androidx/constraintlayout/wiki/MotionLayout

Examples are available on https://github.com/androidx/constraintlayout/tree/main/projects/CarouselExperiments

and https://github.com/androidx/constraintlayout/tree/main/projects/MotionLayoutExperiments

Changes

No API was changed from 2.0, existing code should behave the same.

Note: MotionLayout 2.1 features are not yet compatible with MotionEditor in Android Studio.

As of 2.1, we will no longer release com.android.support.constraint versions

Android Studio 4.1.1 available

Tuesday, November 10, 2020

Stable channelHelp > Check for UpdateAndroid Studio > Check for Updatesdownload hereAndroid Studio release notesreporting a bugvote for an existing issueGeneral fixesThis update also includes fixes for the following public issues: Android Gradle Plugin

Issue #172055303: Disabling android resources in libraries breaks unit tests

Issue #171364505: Shrinking library with multidex enabled fails (after 4.0 -> 4.1 update)

Issue #170922353: Upgraded from AGP 4.0.2 to 4.1.0 and app crashes with Resources$NotFoundException: Resource ID #0x0

APK Debugging

"Project Structure" does not show up for APK Debugging projects

Java Debugger crashes for API 29 and above

Apply Changes

Issue #161692523: Can't run/debug with Android App run configuration if app is stopped and unchanged from last run/debug

AVD Manager

Issue #159878401: "Cold Boot Now" on AVD Manager does not really cold boot emulator

C++

Issue #171280381: #$(call import-module,android/cpufeatures) in Android.mk will import all files in disk root

Issue #171300770: NullPointerException in CmakeServerExternalNativeJsonGenerator when refreshing linked C++ projects

Code Editor

Issue #165821809: Android Studio 4.1 RC 1 continuous UI freezing

Find Usage is slow for C++ methods.

Dexer (D8)

Issue #167649682: When CoreLibraryDesugaring is enabled and APK is installed manually, the types of variables mapped in Gson are not correct.

Embedded Emulator

Touch events are displaced when started emulator in landscape

Issue #170657960: Embedded emulator on Windows never closes the emulator process

Issue #163608541: First time emulator launch using run does not appear in the android studio window

Issue #162564820: "Enter" key doesn't work in Emulator tool window

Gradle Files Editor

Issue #165969795: java.lang.NoClassDefFoundError: org/jetbrains/kotlin/resolve/constants/evaluate/ParseUtilsKt

Issue #162811644: Changing gradle files in Studio 4.1 displays two sync requests

Indexing

Issue #171801044: Android Studio 4.1 with Gradle 6.5 is always indexing!!!

Issue #171334504: Updating indices covering full "c:" drive after update and even after reinstall

Profiling

Issue #170801047: Unable to create profiler recording configuration

Native Memory Profiler not tracking all of memory

Issue #171564196: CPU profiler recording fails for pre-O devices: trace file was not parsed

Project System

forced upgrades interrupt sync

Resource Manager

Issue #171500188: Clip Art selector is empty

Run

Issue #152941155: Feature Request: Project Property with Android Studio version.

Issue #160269604: Run command often does not start activity

Shrinker (R8)

Add retrace to Studio

Vertical Class Merging produces invalid dex for chrome

Retargeting of invokes to DesugarCollections breaks inlining

R8 Compilation failed (java.lang.NullPointerException)

Issue #170677722: Full mode - Fragment 1.3.0-beta01 - FORCE inlining on non-inlinable on FragmentManager

Issue #169584856: R8 - Compilation failed to complete

Issue #169045091: Android Gradle plugin v4.0.0 and Gradle v6.1.1 causes AbstractMethodError on protected methods

Android Studio 4.2 Canary 16 available

Thursday, November 5, 2020

Canary or Dev channelHelp > Check for UpdatesAndroid Studio > Check for Updatesdownload it hereAndroid Studio Preview release notesreporting a bugvote for an existing issueSystem Trace: Improved metrics for memory and graphicsIn the CPU profiler, the System Trace feature now includes new metrics for analyzing app performance:

Events Table: Displays all trace events in the currently selected thread.

New tracks and track groups:

BufferQueue: In the Display section, this new track shows the buffer count of the app's surface BufferQueue.
CPU Frequency: In the CPU cores section, this track shows how hard each core is working.
Process Memory (RSS): The new Process Memory (RSS) track group shows the amount of physical memory currently in use by the app.

To learn more, see the release notes. General Fixes This update includes fixes for the following issues: Android Gradle Plugin

Issue #150133257: Sanitize flavor names in BuildConfig

Issue #170922353: Upgraded from AGP 4.0.2 to 4.1.0 and app crashes with Resources$NotFoundException: Resource ID #0x0

App Inspection

Add IDE services for creating files

Have a way to stop the app inspector agent on the device

Apply Changes

[Properly implement overlay diff

Apply Changes followed by a no-change IWI run removes the AC changes

Build Output

Issue #156552742: Build output window does not help track down instant execution problems

Issue #153815674: unable to view real gradle DataBinding error

C++

cxxLanguageKindFromExtension return CPP for most files, even if they are not CPP files

CPU

[ChromeOS] C++ function tracing is not working: simpleperf depends on missing libncurses.so.5

Embedded Emulator

Wear OS Round: display encroaches on device frame during startup

Gradle

AGP recording OS version instead of OS name

Lint

Issue #170585495: Lint Baseline generates with platform depended file separators

New Project Wizard

[NewProject] Basic template illustration shadows are off with others

Profilers

Update the "report a bug" link to use the right component

Running Tests

Issue #162006827: Robolectric tests run in Android Studio 4.1 fail with a bad ASM dependency

Issue #170328018: AS 4.1+ fail to run junit tests, compailing about junit version being too low

Shrinker (R8)

Create a test for invalid signature rewriting

Issue #170915828: Failed to transform aar with StringIndexOutOfBoundsException when using R8 2.1.62 (used by AGP 4.1.0)

Issue #171369796: Method defined in both an interface and a base class throws null

Issue #171136616: R8 in AGP 4.1 optimization causes early initialization leading to NoClassDefFound error

Issue #171642432: Can't able to generate signed aab/apk with minifyEnabled set to true (> Task :app:minifyReleaseWithR8 FAILED)

Issue #171289133: Support allowshrinking modifier

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Release updates archive

ConstraintLayout 2.1.0 alpha 1

Android Studio 4.1.1 available

Android Studio 4.2 Canary 16 available