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Release Updates

ConstraintLayout 2.1.0 alpha 1

2020年11月19日星期四

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

Google

Android Studio 4.1.1 available

2020年11月10日星期二

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

Google

Android Studio 4.2 Canary 16 available

2020年11月5日星期四

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

Google

ConstraintLayout 2.0.4

2020年10月29日星期四

ConstraintLayout 2.0.4 is now available on the google maven repository:

dependencies {

implementation 'androidx.constraintlayout:constraintlayout:2.0.4'

}

or if using the android.support packages:

dependencies {

implementation 'com.android.support.constraint:constraint-layout:2.0.4'

}

Documentation & Examples

Documentation is available on https://developer.android.com/reference/androidx/constraintlayout/widget/ConstraintLayout and https://developer.android.com/reference/androidx/constraintlayout/motion/widget/MotionLayout

Examples are available on https://github.com/android/views-widgets-samples/tree/master/ConstraintLayoutExamples

Source is available on https://github.com/AndroidX/constraintlayout

Bugfixes

This releases fixes a NPE that may happen when removing a child view of ConstraintLayout at runtime. It is recommended to update to this version.
List of issues closed with this release:

NPE in ConstraintLayout.Measurer (v2.0.3)	171901411

Google

ConstraintLayout 2.0.3

2020年10月27日星期二

dependencies { implementation 'androidx.constraintlayout:constraintlayout:2.0.3'}
or if using the android.support packages:
dependencies { implementation 'com.android.support.constraint:constraint-layout:2.0.3'}
Documentation & Examples
Documentation is available on https://developer.android.com/reference/androidx/constraintlayout/widget/ConstraintLayout and https://developer.android.com/reference/androidx/constraintlayout/motion/widget/MotionLayout
Examples are available on https://github.com/android/views-widgets-samples/tree/master/ConstraintLayoutExamples
Source is available on https://github.com/AndroidX/constraintlayout
Bugfixes
This releases fixes a few issues. It is recommended to update to this version.

Windows insets handling
Handling of dimension ratio in some situations (regression in 2.0.2)
Crash with some RTL layouts (regression in 2.0.2)

List of issues closed with this release:

Can not set view visibility in InsetsListener callback without request layout	169262776
ConstraintLayout 2.0.2 broke layout_constraintDimensionRatio	170313444
Internal crash when solving constraints in 2.0.2	170316875
Broken app:layout_constraintWidth_max="wrap" in version 2.0.2	170541907
NPE on VelocityTracker when swiping view in RecyclerView	170727611
In 2.0.2, children with layout_width="0dp", and managed by a vertical Flow, do not match the Flow's width	170884549
Elements not shown when using barrier and ConstraintLayout height is set to wrap_content	171458571
View height issue when using layout_constrainedHeight	170189141
MotionLayout crashes in onAttachedToWindow() if applyMotionScene="false" or if no layout description specified	171053913
layout_constraintHorizontal_bias RTL	171334510

Google

Android Studio 4.2 Canary 15 available

2020年10月27日星期二

Canary or Dev channelHelp > Check for UpdatesAndroid Studio > Check for Updatesdownload it hereAndroid Studio Preview release notesreporting a bugvote for an existing issue General Fixes This update includes fixes for the following issues: Android Studio

Issue #170733015: Update GPU import to 2.3.0

AVD Manager

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

Build Analyzer

Issue #168687609: Showing Resolution message and open memory settings button when garbage memory time is 0.0 sec

Issue #169569758: Task duration should not be "0.0 seconds"

CPU

Issue #149108626: [System Trace V2] - Remove padding from top and bottom of minimap

Issue #170801047: Unable to create profiler recording configuration

DeploymentIssue #169819270: Errors in logcat on first install without install after non-compatible change Embedded Emulator

Issue #155284464: Emulator tool window icon should be 13x13: emulator.svg

Emulator

Issue #155221674: Embedded Emulator: Feature request for device frame on/off

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

Gradle

Issue #169825560: Rename deprecation target from 5.0 to 7.0

New Project Wizard

Issue #171074702: [NewModule] Missing border between left and details panel

Issue #169614872: [NewProject] Several spacing/alignment issues not built to-spec

Project System

Issue #170389448: QuickFix to use JDK from project structure not working

Run

Issue #170709330: "NoSuchMethodException: android.content.res.CompatResources.getLoaders []" when starting from Android Studio

Shrinker (R8)

Issue #170920164: "Unexpected usage left in method" error when compiling chrome with latest R8

Issue #171197204: Retargeting of invokes to DesugarCollections breaks inlining

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

Testing

Issue #170753826: Revise Multi-device tests opt-in flow

Additionally the issues below were addressed in this release but may not necessarily be fixed: Apply Changes

Issue #169812146: Improve Kotlin lambda error messages

Build

Issue #171305664: CMake 3.18 support breaks when there's .asm file

Deployment

Issue #170750947: Parallelize deployer for multiple devices

Emulator

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

Import/Sync

Issue #169971952: Android Gradle build freezes

Resources

Issue #170867656: Bug: can't rename some resource files, and no way to reach translation tool if file isn't named "strings.xml"

Google

Android Studio 4.2 Canary 14 available

2020年10月20日星期二

Issue #170026127: ActivityResultFragmentVersionDetector lint failure when using 1.2.0-beta01 with fragment 1.3.0-beta01

Android Gradle Plugin

Issue #169252018: AGP fails to build libraries targeting java 1.7

Issue #164036336: Incremental changes with multi-release jars, or jars built with target 1.9 may break dexing

Issue #168091536: getText() and getString() trims new lines from the beginning of the string

Issue #138837769: Allow disabling resource validation in library modules (in parsing local resources)

Issue #169896233: Using jetpack compose breaks gradle configuration caching

C++

Issue #169442717: Prevent Android Studio to include unrelated files in project

Issue #169442540: Include header directories in project

C++ Debugger

Issue #169158699: Missing debug symbols, cannot debug .apk that is otherwise working fine

Import/Sync

Issue #169575797: Unable to download sources from maven.google.com

Jetifier

Issue #168038088: artifact replacements should use the version set in the project

Layout Editor

Issue #157093849: Favorite attributes in UI layout editor not saved correctly

Lint

Issue #169255669: Lint: ClassCastException in RestrictToDetector (related to KT-41290)

Issue #169483540: Lint false positive on ScopedStorage

Issue #170210653: Android LintError when `suppressAnnotations` is provided as an empty list

Issue #167593732: Add SARIF as supported output format for Lint

Issue #170240589: [Lint] OutdatedLibrary false positive on firebase-crashlytics

Navigation Editor

Issue #170059094: Unresolved reference for NavArgs declared at top of (nested) NavGraph

Resource Manager

Issue #169449461: Image Asset Studio doesn't overwrite all old files when generating files for new adaptive icon

Running Tests

Issue #163791525: INSTALL_PARSE_FAILED_NO_CERTIFICATES when running test on multiple devices

Shrinker (R8)

Issue #169584856: R8 - Compilation failed to complete

Issue #169671295: More error handling for retrace command

Issue #163981284: The retrace api implementation should take a mapping file

Issue #169672210: [retrace] Print message on waiting for std-in

Testing

Issue #156940162: Sorting column for status shouldn't be alphabetical

Upgrade Assistant

Issue #156100314: Consider handling Crashlytics versions in the upgrade assistant

Google