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navigation drawer move between fragments


navigation drawer move between fragments

By : Anshul Saxena
Date : November 22 2020, 09:00 AM


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Load custom fragments in Navigation-Drawer's drawer and open corresponding fragments in the main layout

Load custom fragments in Navigation-Drawer's drawer and open corresponding fragments in the main layout


By : Rumeysa Nur Ozbay
Date : March 29 2020, 07:55 AM
may help you . You should create interfaces for your fragments and then use callback methods to alert the activity. Here is a sample code for you.
code :
 public class FirstDrawerFragment extends Fragment {

    FirstDrawerListener mListener;

    public interface FirstDrawerListener{
        public void onSomeThingHappend(Data youWantToPass);
    }

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);

        mListener = (FirstDrawerListener)activity;

    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View v = inflater.inflate(R.layout.fragnavfirst, container , false);

        v.findViewById(R.id.someview).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                mListener.onSomeThingHappend(data);
            }
        });
        return super.onCreateView(inflater, container, savedInstanceState);
    }
}

public class SecondDrawerFragment extends Fragment {

    SecondDrawerListener mListener;

    public interface SecondDrawerListener{
        public void onSomeThingHappendSecond(Data youWantToPass);
    }

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);

        mListener = (SecondDrawerListener)activity;

    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View v = inflater.inflate(R.layout.fragnavfirst, container , false);

        v.findViewById(R.id.someview).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                mListener.onSomeThingHappend(data);
            }
        });
        return super.onCreateView(inflater, container, savedInstanceState);
    }
}


public class YourActivity extends Activity FirstDrawerListener ,SecondDrawerListner{

    @Override
    public void onSomeThingHappend(Data youWantToPass){

        //do your thing and add some fragments
        //close drawer
    }

    @Override
    public void onSomeThingHappendSecond(Data youWantToPass){

        //do yout thing and add some fragments
        //close drawer
    }

}
Implementing back navigation in action bar in nested fragments with navigation drawer?

Implementing back navigation in action bar in nested fragments with navigation drawer?


By : Jonathan Widro
Date : March 29 2020, 07:55 AM
To fix the issue you can do I have a navigation drawer as main activity.On click of one of its item , a fragment is added(as in this item its a list with custom list adap. ).[Fragment 1] Now on click on one of those items another fragment is replaced over it and it displays the details.[Fragment 2]
code :
        Fragment f2= new Fragment2();
        FragmentTransaction transaction = getFragmentManager().beginTransaction();
        transaction.add(R.id.fragment_container, f2);
        transaction.addToBackStack(null);//null is optional you could replace with string-
        transaction.commit();
Drawer NavigationView + Fragments with viewpager, how to avoid caching data when switching fragments in navigation drawe

Drawer NavigationView + Fragments with viewpager, how to avoid caching data when switching fragments in navigation drawe


By : Pawat Tanavikrankoon
Date : March 29 2020, 07:55 AM
I hope this helps . Finally fixed.
In my onCreate() method of which fragment implemented LoaderManager, I did this
code :
  getLoaderManager().initLoader(0, null, this);
        if(!getLoaderManager().getLoader(0).isReset()) {
            getLoaderManager().restartLoader(0, null, this);
        }
Want to move from navigation drawer activity to another screen using fragments to show drawer across all screens

Want to move from navigation drawer activity to another screen using fragments to show drawer across all screens


By : Devendran
Date : March 29 2020, 07:55 AM
Does that help Simply for this task you have to override onNavigationItemSelected method in your Activity, which return id of selected fragment on NavigationDrawer.
Try this,
code :
@Override
public boolean onNavigationItemSelected(MenuItem item) {

    //calling the method displayselectedscreen and passing the id of selected menu

    displaySelectedFragment(item.getItemId());

    return true;
}
private void displaySelectedScreen(int itemId) {

    //creating fragment object
    Fragment fragment = null;

    //initializing the fragment object which is selected
    switch (itemId) {

        case R.id.your_fragment_one_id:
            fragment = new FragOne();
            break;

        case R.id.your_fragment_two_id:
            fragment = new FragTwo();
            break;
    }

    //replacing the fragment
    if (fragment != null) {
        FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
        ft.replace(R.id.main_layout_id_which_is_to_be_replace, fragment);
        ft.commit();
    }

    DrawerLayout drawer = (DrawerLayout) findViewById(R.id.your_drawer_layout_id);
    drawer.closeDrawer(GravityCompat.START);
}
public void showFragTwo(){

    FragmentManager manager = getSupportFragmentManager();
    FragTwo frag = new FragTwo();
    FragmentTransaction transaction = manager.beginTransaction();
    transaction.replace(R.id.your_layout_id_which_is_to_be_replace, frag);
    transaction.commit();

}
((YourActivity)  getActivity()).showFragTwo();
Fragments aren´t added to backstack when using Navigation UI with Navigation Drawer

Fragments aren´t added to backstack when using Navigation UI with Navigation Drawer


By : Craig Parsons
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , I´ve managed to generate the desired behavior. I just overlooked the relevant part of the documentation. As stated in the documentation of the NavigationUI you need to add android:menuCategory = "secondary" to the menu items in the menu of the Navigation View. By adding this line in the XML file the backstack isn´t popped when switching to the corresponding Fragment and therefore the app returns to the previous Fragment when pressing back.
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