Fragment懒加载

boolean isview;
    boolean isuser;
    public T persenter;
    @Override
    public void setUserVisibleHint(boolean isVisibleToUser) {
        super.setUserVisibleHint(isVisibleToUser);
        isuser = isVisibleToUser;
        lazyLoading();
    }
    @Override
    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        isview=true;
        lazyLoading();
    }

    private void lazyLoading() {
        if (isuser && isview) {
            initData();
            isuser = false;
            isview = false;

        }
    }