Error generation environment

The
is generated when running the project in Android studio

Error description

Error running app:Instant Run requires Tools | Android Enable ADB integration' to be enabled.

Cause of error

The project can be started normally before, but it can’t be started after Android studio upgrade

terms of settlement

In the options bar, click Tools – & gt; Android – & gt; enable ADB integration


after modification, it is as follows:
there is a tick in front of enable ADB integration.