debugging log

One more time, thanks jim now the apps almost run well
I've add a  Sys.println("key "+keyEvent.getKey());) in the function onKeyPressed(keyEvent)
And the press on the KEY_START don't trigger onKeyPressed

KEY_START on a 520 is the right key on the bottom of the device.  KEY_ENTER is at the top on the right hand side..  Are you using the correct one?

Yes I use the right key on the bottom of the device
It works well on the simulator

How are you seeing that it doesn't work on the device?  Do you display something when you're recording or not recording?   Is it based on your log file? I'm on the 13.00 FW and works fine for me in my apps. 

I've also th FW 13.0
I debug first with log:

    function onKeyPressed(keyEvent){
    	Sys.println("key "+keyEvent.getKey());
        if( Toybox has :ActivityRecording && keyEvent.getKey()==WatchUi.KEY_START ) {
            if( ( session == null ) || ( session.isRecording() == false ) ) {
            	Sys.println("start recording");
                session = ActivityRecording.createSession({:name=>"Kronos", :sport=>ActivityRecording.SPORT_CYCLING});
                session.start();
                WatchUi.requestUpdate();
            }
            else if( ( session != null ) && session.isRecording() ) {
            	Sys.println("stop recording");
                session.stop();
                session.save();
                session = null;
                WatchUi.requestUpdate();
            }
            return true;
        }else if( Toybox has :ActivityRecording && keyEvent.getKey()==WatchUi.KEY_ESC){
        		//Sys.exit();
        		if( ( session != null ) && session.isRecording() ){
	     		    session.stop();
	                session.save();
	                session = null;
                }
        		return false;
        }   	
	    return true;
    } 

if( Toybox has :ActivityRecording ) {
    if( ( session == null ) || ( session.isRecording() == false ) ) {

    }else{
        dc.setColor(Graphics.COLOR_RED,bgc);
        dc.fillCircle(10, 10, 10);
        dc.setColor(fgc,bgc);
        myShapes.draw(dc);
	}
}

My first thought is that It is broken because I cannot see KEY_START pressed with the Input project from the samples
But when  I'm on the main screen the key works like a charm, triggering the record of activities
Is there a way to reset the device?

It's likly somethin your code.  Settings>System>Device reset if you want to try.

About your code.  "has" is useful, but you generally don't want to use it much as it can be expensive.  I'll do the has in initialize() and set a boolean and use that.  Also, the "has": you will always be true.  That's probably something from the very early days of CIQ when some devices only had data fields and watch faces.