We just published ConstraintLayout beta 2. As always, it's available in the SDK Manager (under the "Support Repository" section). This build fixes a few issues with API level support under level 16. It also contains several large performance improvements (~2x speedup in many common situations). Note: if you are using Android Studio 2.2 and it is your first installation of ConstraintLayout (or you had a version older than alpha 8), you might have to restart studio (or invalidate caches) after installing this version (the editor behavior may not be correct, with widgets temporarily snapping to the top left corner). |
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