Error inflating class android.support.design.widget.FloatingActionButton

Question

My app crashed because

Error inflating class android.support.design.widget.FloatingActionButton

This is my code in the XML

Answer 1

I am using:

classpath 'com.android.tools.build:gradle:3.3.2'

and

distributionUrl=https://services.gradle.org/distributions/gradle-4.10.1-all.zip

I changed my XML to:

and everything built and ran correctly.

I hope this helps