drawerLayout的侧拉监听事件

drawerLayout.addDrawerListener(new DrawerLayout.DrawerListener() {    @Override    public void onDrawerSlide(View drawerView, float slideOffset) {    }    @Override    public void onDrawerOpened(View drawerView) {        Log.d("wyy","侧拉菜单打开了");    }    @Override    public void onDrawerClosed(View drawerView) {        Log.d("wyy","侧拉菜单关闭了");    }    @Override    public void onDrawerStateChanged(int newState) {    }});