navigation-drawer

问题 I am beginner to android I need some Help about List and Extended List in one Drawer I know that this question is posted here several Time but I am unable to understand that Actually I want to make a list like: Please Help me Step by Step thak you!... 回答1: It's native behavior of ExpandableListView so if any Item doesn't have children, implicitly won't be expanded but you need to set OnClickListener for both groups (Items) and children (Options): public boolean onChildClick(ExpandableListView

问题 I have added navigation drawer to an activity which contains PagerSlidingStrip.I can see the navigation drawer when I slide from left to right of screen but I can't see navigation drawer icon in action bar. Below is my code- activity_main.xml <?xml version="1.0" encoding="utf-8"?> <android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/drawer_layout" android:layout_width="match_parent" android:layout_height="match_parent">

问题 Menu Item click not working I tried various things but it won't work. Here are my code: Home Activity: public class HomeActivity extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener{ private Button mBtRequest; private Button mBtContinue; private ProfileFragment mProfileFragment; private SetPreferences Setpref; private SlideUp slideUp; private View dim; private View sliderView; Toast toast; private TextView mTvDrawerName; private TextView mTvDrawerMobile;

问题 The navigationDrawer is not opening on clicking hamburger icon,I have used onOptionsItemSelected but it's of no use: public class CardDashBoard extends Fragment implements View.OnClickListener { View view; private ArrayList<String> mtext=new ArrayList<>(); private ArrayList<String> mimage=new ArrayList<>(); ImageView image1,image2,image3,image4; TextView text1,text2,text3,text4; CardView cardViewMap; DrawerLayout drawerLayout; Toolbar toolbar; ActionBarDrawerToggle actionBarDrawerToggle;

问题 I have a navigation drawer with fragments and my app is crashing after I rotate the device and click on the menu. My code on main activity is: public class MainActivity extends FragmentActivity { private DrawerLayout mDrawerLayout; ImageView home; Fragment fragment = null; TextView appname; ExpandableListView expListView; HashMap<String, List<String>> listDataChild; ExpandableListAdapter listAdapter; List<String> listDataHeader; @Override protected void onCreate(Bundle savedInstanceState) {

问题 I use an ActionBarActivity with NavigationDrawer and a ListView in the content frame of Drawer. <?xml version="1.0" encoding="utf-8"?> <FrameLayout android:id="@+id/content_frame" android:layout_width="fill_parent" android:layout_height="match_parent" android:orientation="vertical" > <LinearLayout android:id="@+id/lyt_list" android:layout_width="fill_parent" android:layout_height="fill_parent" android:layout_weight="1" android:orientation="horizontal" > <ListView android:id="@+id/list_notes"

问题 I am having so issues with my project, i am getting the error: Error:(72, 42) error: incompatible types: FragmentActivity cannot be converted to Fragment. Could anyone assist me on this issues? This is one of my Fragments public class contact_Fragment extends FragmentActivity { View rootview; @Nullable public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { rootview = inflater.inflate(R.layout.contact_layout, container, false); return rootview;}

问题 I've downloaded the Navigation Drawer example from the developers guide, I try to implement a GridView into an Activity of one of the options of the Drawer, but in execution time the GridView doesn't appears, the IDE doesn't show me any errors and in an example apart I can do it de GridView successfuly, How do I correct this problem? My code is here: In the MainActivity I use the same like the example with Fragment fragment; FragmentManager fragmentManager; fragment = new inicioFragment(R

问题 I want to pass a state on drawer menu/navigator at the time of dispatch action calling. <Button title='Filter' onPress={() => navigation.dispatch(DrawerActions.openDrawer())} /> 回答1: You should call your dispatch function and set when your component is mounted using this.props.navigation.setParams Set dispatch function in your component this.props.navigation.setParams({ dispatch: this.dispatch.bind(this) }) dispatch(){ //your code } 来源： https://stackoverflow.com/questions/53099422/can-i-pass

问题 This question already has answers here : How to create a simple divider in the new NavigationView? (13 answers) Closed 3 years ago . I need to add a separator between Navigation Drawer menu items. Code for NavigationDrawer <android.support.design.widget.NavigationView android:id="@+id/navigationView" android:layout_width="wrap_content" android:layout_height="match_parent" android:layout_gravity="start" android:background="@color/colorPrimary" android:fitsSystemWindows="true" android:theme="