When you run or debug your Android application, and no target device is specified in the applied run/debug configuration, you need to choose the target device manually.

You have the following options:

  • Choose a physical device:
    • Plug-in a physical Android device through a USB cable.
    • Start a run/debug session.
    • In the Choose Device dialog that opens, select the Choose a running device option and choose the plugged-in device.
  • Choose a running virtual device:
    • Start a run/debug session.
    • In the Choose Device dialog that opens, select the Launch emulator option and select a virtual device from the Android virtual device drop-down list.

      If you want to use this device emulator without selecting it manually each time you start a run/debug session, select the Use same device for future launches option.

  • Configure a new virtual device: