小编che*_*345的帖子

没有显示的Recycler视图

我一直在制作一个应用程序,它在导航抽屉中使用回收站视图,但回收器视图的内容是如何显示的.视图肯定是他们,因为我可以看到滚动阴影.我不确定我是否做错了,因为应用程序在运行时不会崩溃.

导航抽屉片段:

public class NavigationDrawerFragment extends android.support.v4.app.Fragment {

    public static final String PREF_FILE_NAME = "testPref";
    public static final String KEY_USER_LEARNED_DRAWER = "user_learned_drawer";
    private RecyclerView mRecyclerView;
    private ActionBarDrawerToggle mDrawerToggle;
    private DrawerLayout mDrawerLayout;
    private View containerView;
    private Boolean mUserLearnedDrawer;
    private Boolean mFromSavedInstanceState;
    private DrawerAdapter adapter;

    public NavigationDrawerFragment() {
        mFromSavedInstanceState = false;
    }


    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        mUserLearnedDrawer = Boolean.valueOf(readFromPreferences(getActivity(), KEY_USER_LEARNED_DRAWER, "false"));
        if (savedInstanceState != null){
            mFromSavedInstanceState = true;
        }
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) …
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android android-fragments android-navigation

24
推荐指数
4
解决办法
3万
查看次数

在css中创建类似边框效果的Droplet

我在Photoshop中创建了这个边框设计,并想知道是否有人可以给我一些如何使用重新创建它的指导css.

边界

css radial-gradients css3 css-shapes

6
推荐指数
1
解决办法
1801
查看次数