Monday, February 13, 2017

Constraint Layout beta5 lint error

Constraint Layout beta 5 is the release candidate, and added a lint to deprecate older versions.

The easiest way to get rid of the lint error is to press Alt-Enter and choose the first option to upgrade.

However, I encountered a bug, which forces me to stay with beta4 until the next version comes out with the fix. I still want to get rid of the lint error so my continuous build does not fail. I didn't want to change lintOptions abortOnError to false in build.gradle because I still want my build to catch other fatal lint errors.

I tried to get Android Studio to fix this lint error for me by choosing Disable inspection from Alt-Enter. Alas, that only changed the local settings. Turns out that I need to go to Settings → Editor → Inspections to undo that.

The option I wanted is Suppress: Add tools:ignore="MissingConstraints" attribute, which modifies the xml for me to add the appropriate lint suppression.

<!-- Cannot upgrade to beta5 due to -->

Finally, I added a comment to remind me why I suppress the lint error.

More info: Suppress Lint Warnings.