jmoneky threading

 Thread thread = new Thread(new Runnable() { // <- Never override classes if it is not required.

public void run(){ GameLevel appLevel = new GameLevel(levelName,id,x,y,z); appLevel.setEnabled(true); app.enqueue(new Runnable() { @Override public void run() { app.getStateManager().attach(appLevel); app.getGuiNode().detachChild(pic); } }); } });