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How to Handle backPress with Fragment


How to Handle backPress with Fragment

By : user2956386
Date : November 22 2020, 10:56 AM
Does that help Add Fragments To BackStack. Before commit() the transaction, use addToBackStack() method i.e
code :
 addToBackStack("Some String").commit();
@Override 
public void onBackPressed() { 
    if (getSupportFragmentManager().getBackStackEntryCount() > 0) {
        getSupportFragmentManager().popBackStack(); 
    } else { 
        this.finish(); 
    }
}


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Navigating to fragment on backpress

Navigating to fragment on backpress


By : Habtu Abej
Date : March 29 2020, 07:55 AM
Fragment refreshing on backpress

Fragment refreshing on backpress


By : user3240943
Date : March 29 2020, 07:55 AM
Hope that helps This is, unfortunately, the default behavior of the Fragment class. A Fragment is destroyed whenever the containing Activity is paused, and recreated whenever the containing Activity is resumed. If you use an Activity instead of a Fragment for the list, you would not experience the same behavior. With an Activity:
AsyncTasks and/or web services would not be called again. The list would show the previously scrolled position.
How backPress works in fragment?

How backPress works in fragment?


By : Annie Rocha
Date : March 29 2020, 07:55 AM
Hope this helps I am trying to use backpress on fragments. I am not able to fix it. Here is my code below. , Fragment back press working code
code :
public class ChiefFragment extends Fragment {
 View view;

// public OnBackPressedListener onBackPressedListener;

@Override
 public View onCreateView(LayoutInflater inflater,
    ViewGroup container, Bundle args) {

view = inflater.inflate(R.layout.activity_chief, container, false);
getActivity().getActionBar().hide();
view.setFocusableInTouchMode(true);
view.requestFocus();
view.setOnKeyListener(new View.OnKeyListener() {
    @Override
    public boolean onKey(View v, int keyCode, KeyEvent event) {
        Log.i(getTag(), "keyCode: " + keyCode);
        if (keyCode == KeyEvent.KEYCODE_BACK) {
            getActivity().getActionBar().show();
            Log.i(getTag(), "onKey Back listener is working!!!");
            getFragmentManager().popBackStack(null, FragmentManager.POP_BACK_STACK_INCLUSIVE);
            // String cameback="CameBack";
            Intent i = new Intent(getActivity(), home.class);
            // i.putExtra("Comingback", cameback);
            startActivity(i);
            return true;
        } else {
            return false;
        }
    }
});
return view;
}
}
How to redirect from last fragment to specific fragment on last fragment backpress

How to redirect from last fragment to specific fragment on last fragment backpress


By : Ruthy Shimon
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , You have a method called instanceof for Fragments. So when you are in Fragment E try to check like
while adding do fragmentTransaction.addToBackStack("fragmentC");
code :
if(currentFragment instanceOf FragmentE) {
    fragmentManager.popBackStack ("fragmentC", FragmentManager.POP_BACK_STACK_INCLUSIVE);
}
Backpress from Activity to Fragment

Backpress from Activity to Fragment


By : Rathi
Date : March 29 2020, 07:55 AM
around this issue The correct way to do this, and since you have a startActivityForResult() would be to set a result for the activity and when ending it, passing info to the FragmentB. In your onBackPressed() method, you can add this:
code :
Intent resultIntent = new Intent();
String dataString = "Some info you might want to return to the fragment...";
resultIntent.setData(Uri.parse(dataString));
setResult(RESULT_OK, resultIntent);
finish();
public void onActivityResult(int requestCode, int resultCode, Intent data) {
     if (requestCode == request_Code) {
        if (resultCode == RESULT_OK) {
            //here you can pop the FragmentB
        }
    }
}
transaction.addToBackStack("Some String");
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