src/main/java/com/simpligility/maven/plugins/android/AbstractEmulatorMojo.java
private void stopEmulator( IDevice device )
    {
        int devicePort = extractPortFromDevice( device );
        if ( devicePort == -1 )
        {
            getLog().info( "Unable to retrieve port to stop emulator " + DeviceHelper.getDescriptiveName( device ) );
        }
        else
        {
            getLog().info( "Stopping emulator " + DeviceHelper.getDescriptiveName( device ) );

            sendEmulatorCommand( devicePort, "avd stop" );
            boolean killed = sendEmulatorCommand( devicePort, "kill" );
            if ( !killed )
            {
                getLog().info( "Emulator failed to stop " + DeviceHelper.getDescriptiveName( device ) );
            }
            else
            {
                getLog().info( "Emulator stopped successfully " + DeviceHelper.getDescriptiveName( device ) );
            }
        }
    }
private void stopEmulator( IDevice device )
    {
        int devicePort = extractPortFromDevice( device );
        if ( devicePort == -1 )
        {
            getLog().info( "Unable to retrieve port to stop emulator " + DeviceHelper.getDescriptiveName( device ) );
        }
        else
        {
            getLog().info( "Stopping emulator " + DeviceHelper.getDescriptiveName( device ) );

            sendEmulatorCommand( devicePort, "avd stop" );
            boolean killed = sendEmulatorCommand( devicePort, "kill" );
            if ( !killed )
            {
                getLog().info( "Emulator failed to stop " + DeviceHelper.getDescriptiveName( device ) );
            }
            else
            {
                getLog().info( "Emulator stopped successfully " + DeviceHelper.getDescriptiveName( device ) );
            }
        }
    }
This method contains the code required to stop an emulator

@param device The device to stop