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2021-10-25 7475bfeadee82878faf2188665ae5ae83875835c

 app/src/main/java/com/duqing/missions/ui/dashboard/DashboardFragment.java

@@ -5,38 +5,36 @@
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import androidx.lifecycle.Observer;
import androidx.lifecycle.ViewModelProvider;

import com.duqing.missions.R;
import com.duqing.missions.databinding.FragmentDashboardBinding;

public class DashboardFragment extends Fragment {

    private DashboardViewModel dashboardViewModel;
private FragmentDashboardBinding binding;
    private FragmentDashboardBinding binding;

    public View onCreateView(@NonNull LayoutInflater inflater,
            ViewGroup container, Bundle savedInstanceState) {
        dashboardViewModel =
                new ViewModelProvider(this).get(DashboardViewModel.class);
    public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        dashboardViewModel = new ViewModelProvider(this).get(DashboardViewModel.class);

    binding = FragmentDashboardBinding.inflate(inflater, container, false);
    View root = binding.getRoot();
        binding = FragmentDashboardBinding.inflate(inflater, container, false);
        View root = binding.getRoot();

        final TextView textView = binding.textDashboard;
        dashboardViewModel.getText().observe(getViewLifecycleOwner(), new Observer<String>() {
            @Override
            public void onChanged(@Nullable String s) {
                textView.setText(s);
            }
        });
        return root;
    }

@Override
    @Override
    public void onDestroyView() {
        super.onDestroyView();
        binding = null;