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Android Developers
Android Studio
Preview
Release Updates
Android Studio 4.0 Canary 7 available
Monday, December 23, 2019
Android Studio 4.0 Canary 7 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
.
CPU Profiler UI Upgrades
Based on your feedback, the CPU Profiler UI has been overhauled to provide a more intuitive workflow, with new customization options and an updated layout.
For more information, see the
release notes
.
Profilers and Live Layout Inspector fixed
Starting with Android Studio 4.0 Canary 5, the Live Layout Inspector and the Profilers did not function correctly on Windows, causing the following error message:
transfer error: couldn't create file: Read-only file system.
To fix this issue, upgrade to Android Studio 4.0 Canary 7 or higher.
General fixes
This update includes fixes for the following public issues:
Bundletool
Issue #144802446
: Make release of bundletool 0.12.0
Core IDE
Issue #144939147
: New Vector Asset / Image Asset places drawables in the wrong folder when using multiple resource directories in a sourceSet
Data Binding
Issue #144604674
: cannot generate view binders java.lang.StackOverflowError
Gradle
Issue #145770669
: Disabling android.defaults.buildfeatures.aidl and renderscript breaks lint task
Issue #119135578
: Find a way to determine whether a third-party library should be jetified
Issue #146205003
: Instant execution - DexArchiveBuilderTask task loading
Issue #134858541
: App is not signed with v1 scheme when using minSDK 24, even when enabled explicitly
Issue #142242084
: assembleDebug fails with FileNotFoundException on AS 3.6 Canary 12
Issue #140747218
: Improve error messages for exceptions thrown from Jetifier
Issue #145683928
: LintPlugin creates tasks in a non lazy way
Layout Editor
Issue #145231222
: When project is loading, XML is unreadable
Lint
Issue #145687664
: Analyze -> Inspect Code -> Lint -> Remove all unused resources | strips an androidx.navigation file of its
ids
Motion Editor
Issue #145203265
: Motion Editor View Drag Float Bug
New Project Wizard
Issue #146252332
: Bug: new project wizard always puts the new project into last opened path, instead of last creation path
Issue #146413736
: Empty icons in new activity wizard (4.0 C6)
Project Structure Dialog
Issue #145652926
: PSD won't let me add a runtimeOnly dependency
Resultstore
Issue #145950498
: BEP upload failed: UNAVAILABLE: UNAVAILABLE: Policy checks are unavailable
Shrinker (R8)
Issue #145688738
: R8 failed in multi module projects
Templates
Issue #145121833
: Update benchmark library version
View Binding
Issue #142739020
: Enabling ViewBinding breaks gradle configuration of com.android.test plugin
For information on new features and changes in all preview builds of Android Studio 4.0, 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.