DrawLayout侧拉监听

draw.addDrawerListener(new DrawerLayout.DrawerListener() {
@Override
public void onDrawerSlide(@NonNull View drawerView, float slideOffset) {

         }

         @Override
         public void onDrawerOpened(@NonNull View drawerView) {
             Toast.makeText(MainActivity.this,"侧拉菜单打开了",Toast.LENGTH_SHORT).show();
         }

         @Override
         public void onDrawerClosed(@NonNull View drawerView) {
             Toast.makeText(MainActivity.this,"侧拉菜单关闭了",Toast.LENGTH_SHORT).show();
         }

         @Override
         public void onDrawerStateChanged(int newState) {

         }
     });