Android App runtime crash after update gradle plugin 3.6 [duplicate]

Answer 1

First Take a backup of your project after Migrate your project in AndroidX

1. Goto Toolbar into Refactor
2. Goto bottom option and select to Migrate to androidX

And migrate it. Check if the error still happens.

Answer 2

First implement multidex into your project then restart android studio and run your app.
If still you face this issue, then you need to downgrade your android studio's stable version 3.5.3

Below Android Studio 3.5 disable Instant run:

Android Studio --> File --> Setting --> Build, execution, deploy --> Instant run.

Issue: Click Me , Click Me

Hope this mey help you