Cannot resolve symbol ‘AppCompatActivity’

A little addition to other answers here, for anyone having the same error while using the right lib version and the right class. When I upgraded to In which ActionBarActivity is deprecated and empty and AppCompatActivty is the way to go, due to some glitch in Android Studio, It didn’t quite pick up on version change. i.e. Even though … Read more

How to disable Instant Run for Android Studio 3.0

Finally fixed! As other users on Linux and such saw the Instant Run option in the settings, I tried reinstalling and resetting the installation, following https://stackoverflow.com/a/19397632/1926621 Removed all old settings, and installation of Android Studio( kept the SDK files). Changed the path. Opened the same project, and the options were now there!

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