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Android Developers
Android Studio
Preview
Release Updates
Android Studio 4.1 Canary 1 available
Thursday, February 27, 2020
Android Studio 4.1 Canary 1 is now available in the Canary and Dev channels.
If you have Android Studio set to receive updates on the
Canary or Dev channel
, you can get the update by choosing
Help > Check for Updates
(
Android Studio > Check for Updates
on macOS). Otherwise, you can
download it here
.
Assertions in debug builds
Assertions in your Java code are now enabled when deploying the debug version of your app. See the
release notes
for more information.
Jetpack Compose
Jetpack Compose is now available in the 4.1 channel; it has been removed from the 4.0 channel. See the
release notes
for more information.
Git version control errors in the IDE
Operations requiring authentication in Git version control are broken in the IDE for Android Studio 4.1 Canary 1 and will be fixed in an upcoming release.
As a workaround, use Git from the command line.
General fixes
This update includes fixes for the following public issues:
Android
Issue #147105605
: Move codegen to AS Gradle codebase
Issue #148944828
: [MLKit Plugin] Throw IOException from light class's constructor method to match the real impl
Issue #147595970
: Create mlkit_common module in tools/base
Issue #149663643
: [AS Integration] Use single hierarchy package suffix for auto generated classes
Issue #148283520
: Set up mlkit-common module with library in maven
Issue #147890886
: Avoid scanning all modules in MlkitClassFinder
Issue #147680613
: Add light class support for codegen in AS codebase
Issue #148621263
: Add more data in mlkit-common
Issue #149254807
: [AS Integration] Inner classes of generated class are not discoverable independently by auto completion
Issue #149718660
: [AS Integration] Add navigation support for inner classes
Issue #149252211
: [AS Integration] Render the summary and usage of generated class in model viewer
Issue #149791876
: Rename Param and ModelData in mlkit-common
Issue #144867508
: Create ML Kit Module in Android Studio
Issue #146015231
: Create MLKIT Task in AGP for model classes auto-generation
Android Gradle Plugin
Issue #147768068
: AGP 3.6 RC 1 produces non constants R fields when using the android name space.
Issue #148005697
: [AGP 4.0.0-alpha08] DataBindingInfo is being defined in the same package across different modules
Issue #147486992
: Use artifact transforms for external libraries in dexing task
Issue #115334911
: Change how we model test - tested app dependency
Issue #148164947
: AndroidLibrary.getLintJar is not valid for sub-project
Issue #144513656
: Lint's Gradle task hangs after update to AGP 3.6.0-beta04
Issue #146869072
: Task failed on mergeExtDex
Issue #148442683
: Build APK outputs.json metadata incorrectly setting value of versionName
Issue #141535821
: BasePlugin.checkModulesForErrors is quadratic in number of projects
Issue #146922959
: GenerateTestConfig does not consider build directory name as task input property
Issue #135471813
: Gradle PNG generation doesn't handle qualifiers
Issue #116859397
: Ensure feature abiFilters are the same as the base module's
Issue #146907851
: Update guava from 27.1-jre to 28.1-jre
Issue #147289282
: The option setting 'android.enableR8=true' is deprecated.null
Issue #148443410
: Assertion fails in DependencyResourcesComputer.compute
Android Studio
Issue #71894463
: Radial Gradient SVG from Sketch is not imported correctly by the Vector Asset Tool
App Model
Issue #147432884
: Invert compression and adding salt to make the footprint of sdk dependency data smaller in APKs
Build
Issue #147448576
: AGP 3.6 RC 1: Unsupported gradient type: "sweep"
Build Output
Issue #146593375
: Processing the events in the build output windows delays the app install
Build Variants
Issue #142608498
: AS forgets selected build variant
C++ Debugger
Issue #145707569
: LLDB Startup Commands Can't work with `Attach Debugger to Android Process` when debug
C++ Editor
Issue #144938511
: Android Studio doesn't support CMake's OBJECT library
C++ Import/Sync
Issue #148805330
: Syncing C++ projects leak memory in AGP 3.6rc02
Code Editor
Issue #149041225
: Freeze in AndroidProcessMonitorManager.getMonitor
Issue #146115250
: Data Binding functionality stops working (Logs show crash in LayoutBindingShortNamesCache$3.compute)
Issue #147802433
: Proguard unresolved symbols shown in gray instead of red
ConstraintLayout
Issue #140882056
: ConstraintLayout's Flow class located in different package in androidx and android.support
Core IDE
Issue #129362597
: Gradle attempt at parsing a redirect notice from Maven Repository
Issue #143693655
: Manifest merging runs all the time
Data Binding
Issue #147609508
: Data Binding not resolving the binding class for layouts in different sourceSet
Issue #146538006
: IDE sometimes fails to resolve "include" layouts
Deployment
Issue #139859267
: `Default Activity not found` error, "Multiple entries with same key" in ActivityAttributesSnapshot
Design Tools
Issue #147805557
: Improve packing algorithm in multi preview window
Gradle C++
Issue #134374003
: Android Gradle Plugin: “Expected output file at … for target … but there was none” when CMakeLists defines object libraries
Import/Sync
Issue #145235353
: Require sync after change comment in gradle file is pointless
IntelliJ
Issue #124680708
: Git Push Crashes from IDE
Java 11 Blockers
Issue #127544816
: Potential blocker for Java 11 rollout: Android Lint
Layout Editor
Issue #143600084
: Views cannot be dragged to Flow element in component tree
Issue #37117915
: Help button for Layout Editor
Layout Inspector
Issue #148890011
: LayoutInspector violates WebView Strict Mode and spams popups
Lint
Issue #149490356
: Lint CLI driver crashes on Windows \r\n separators
Issue #148051144
: Lint on AGP 4.0.0-alpha09 fails with InvocationTargetException
Issue #64415817
: NPE on method reference
Issue #139490306
: Lint does not flag NewApi violations in androidTest sources
Issue #113198298
: UnusedResources should handle checking dynamic feature modules
NDK
Issue #142590626
: Renderscript not compiling after updating to macOS Catalina
New Project Wizard
Issue #148930092
: Modules without .iml files may cause "empty android project view"
Issue #147701786
: Strings not escaped for app name
Preference
Issue #137173772
: SettingsActivity (androidx) EditTextPreference crashes on rotation from landscape to portrait
Issue #146166988
: Bug: "Target fragment must implement TargetFragment interface" after rotating screen twice with EditTextPreferenceDialog open
Project Structure
Issue #126937269
: [New PSD] buildType/productVlavor etc. names are not properly validated when creating a new item
Issue #147798442
: [PSD] Extra entries are added for new variable
Project System
Issue #147246554
: "Not a gradle Project" When a build file is defined in the settings.gradle.kts with rootProject.buildFileName
Issue #128673540
: kotlin DSL gradle and AndroidX refactoring
Project View
Issue #111527585
: Android project view refreshes over and over again
Issue #121345405
: The Android Studio "Android Explorer" does not show test directories for combined flavors.
Resources
Issue #148173587
: [Regression] Importing SVG is broken ("fillType was already specified")
SDK Console
Issue #148527133
: Upgrade protobuf version to 3.10.0 in AGP
Templates
Issue #145977222
: Remove implementation fileTree(dir: 'libs', include: ['*.jar']) from new project template.
View Binding
Issue #147927480
: Class com.example.viewbinding.SimpleInTestModuleTest fails
Issue #147684086
: Generated Binding classes appear to have a public no-args constructor
For information on new features and changes in all preview builds of Android Studio 4.1, see the
Android Studio Preview release notes
. For details of bugs fixed in each preview release, see previous entries on this blog.
We greatly appreciate your bug reports, which help us to make Android Studio better. If you encounter a problem, let us know by
reporting a bug
. Note that you can also
vote for an existing issue
to indicate that you are also affected by it.
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