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Android Developers
Android Studio
Preview
Release Updates
Android Studio 4.0 Canary 9 available
Tuesday, January 21, 2020
Android Studio 4.0 Canary 9 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
.
General fixes
This update includes fixes for the following public issues:
Core IDE
Issue #144182679
: New Image Asset lacks support for Android TV channels
Editing
Issue #147039508
: Bug: IDE suggests to use specific version of Libphonenumber, but doesn't actually do anything when I choose it
Issue #140154274
: Bug: false positive warning about using too new class in an already checked condition
Gradle
Issue #147207696
: Unresolved reference: buildFeatures after updating to 4.0.0-alpha07 from 4.0.0-alpha06
Lint
Issue #147293853
: NPE in KeyedExtensionCollector
Issue #122928037
: DiffUtilEquals false positive when using interfaces with a single data class implementation
Issue #123822220
: Cyclic dependency for android:src and app:srcCompat in layer-list xml file
Issue #146824833
: lint-27.0.0-alpha6 Warning.compareTo() method is wrong！
Issue #147094776
: Android Lint: Check if Layout XML uses View Tag that does not correspond to a Class extending View in the classpath
Issue #37065470
: Lint fails to check multiple values passed to *Res-annotated annotation array.
Issue #37078822
: UnusedResources ignore in lint.xml doesn't work when using path and **
SDK Console
Issue #147092261
: Generate and set encryption keys for Dependency Info block
Issue #145729105
: Update apkzlib to support SDK Protect block
Strings Editor
Issue #120747416
: Refactor->Remove Unused Resources missing logic for strings with dot in the id
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.
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