Device chooser dialog is not showing up after instant run

Question

In Android studio 2.0 after first app launch on emulator it seems that run process is attached to it. But if I connect device and want to test app,

Answer 1

February 2018 answer: Try to disable Instant run from the Settings, it worked for me on Android-studio v.3.0.1

1. Open the Settings or Preferences dialog: On Windows or Linux, select File > Settings from the menu bar. (On Mac OSX, select Android Studio > Preferences from the menu bar.)
2. Navigate to Build, Execution, Deployment > Instant Run.
3. Uncheck the box next to Restart activity on code changes.