UPIDialogFragment.java

public class UPIDialogFragment extends DialogFragment {

    private DialogUpiBinding upiBinding;
    private UPIViewModel upiViewModel;

    @Override
    public void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        upiViewModel = new ViewModelProvider(requireActivity()).get(UPIViewModel.class);
    }

    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        upiBinding = DialogUpiBinding.inflate(inflater, container, false);
        upiBinding.setViewModel(upiViewModel);
        upiBinding.setLifecycleOwner(getViewLifecycleOwner());
        return upiBinding.getRoot();
    }
  
  @Override
    public void onResume() {
        super.onResume();
        if (getDialog() == null) return;
        Window window = getDialog().getWindow();
        if (window == null) return;
        int width = (int) (getResources().getDisplayMetrics().widthPixels * 0.8);
        WindowManager.LayoutParams params = window.getAttributes();
        params.width = width;
        window.setAttributes(params);
    }

    @Override
    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
        setObservers();
    }

    private void setObservers() {
        upiViewModel.isSubmitAction.observer(getViewLifecycleOwner(), canSaveData -> {
            upiViewModel.canSaveData.setValue(canSaveData);
            dismiss();
        });
    }
}