binding_isLoding.java

private void subscribeUi(ProductListViewModel viewModel) {
        // Update the list when the data changes
        viewModel.getProducts().observe(this, new Observer<List<ProductEntity>>() {
            @Override
            public void onChanged(@Nullable List<ProductEntity> myProducts) {
                if (myProducts != null) {
                    mBinding.setIsLoading(false);
                    mProductAdapter.setProductList(myProducts);
                } else {
                    mBinding.setIsLoading(true);
                }
                // espresso does not know how to wait for data binding's loop so we execute changes
                // sync.
                mBinding.executePendingBindings();
            }
        });
    }