i have appbar configuration problem could any one help me please?

Question

import android.content.Intent;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.Menu;
import android.view.ViewGroup;
import android.widget.RelativeLayout;
import android.widget.TextView;

import androidx.appcompat.widget.Toolbar;

import com.example.shopingonline.Model.Products;
import com.example.shopingonline.Model.Users;
import com.example.shopingonline.Prevalent.Prevalent;
import com.example.shopingonline.ViewHolder.ProductViewHolder;
import com.firebase.ui.database.FirebaseRecyclerAdapter;
import com.firebase.ui.database.FirebaseRecyclerOptions;
import com.google.android.material.snackbar.Snackbar;
import com.google.android.material.navigation.NavigationView;

import androidx.annotation.NonNull;
import androidx.appcompat.app.ActionBarDrawerToggle;
import androidx.core.view.GravityCompat;
import androidx.customview.widget.Openable;
import androidx.navigation.NavController;
import androidx.navigation.Navigation;
import androidx.navigation.ui.AppBarConfiguration;
import androidx.navigation.ui.NavigationUI;
import androidx.drawerlayout.widget.DrawerLayout;
import androidx.appcompat.app.AppCompatActivity;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import com.example.shopingonline.databinding.ActivityHomeBinding;
import com.google.android.material.floatingactionbutton.FloatingActionButton;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.squareup.picasso.Picasso;

import de.hdodenhof.circleimageview.CircleImageView;
import io.paperdb.Paper;

public class HomeActivity extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener {

private AppBarConfiguration mAppBarConfiguration;

private DatabaseReference ProductsRef;  
private RecyclerView recyclerView;  
RecyclerView.LayoutManager layoutManager;  


@Override  
protected void onCreate(Bundle savedInstanceState) {  
    super.onCreate(savedInstanceState);  
    setContentView(R.layout.activity_home);  

    ProductsRef = FirebaseDatabase.getInstance().getReference().child("Products");  



    Paper.init(this);  
    Toolbar toolbar = findViewById(R.id.toolbar);  
    toolbar.setTitle("Home");  
    setSupportActionBar(toolbar);  

    FloatingActionButton fab = findViewById(R.id.fab);  
    fab.setOnClickListener(new View.OnClickListener() {  
        @Override  
        public void onClick(View view) {  
            Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)  
                    .setAction("Action", null).show();  
        }  
    });  

    DrawerLayout drawer = findViewById(R.id.drawer_layout);  


    NavigationView navigationView = findViewById(R.id.nav_view);  

    View headerView = navigationView.getHeaderView(0);  
    TextView userNameTextView = headerView.findViewById(R.id.user_profile_name);  
    CircleImageView profileImageView = headerView.findViewById(R.id.user_profile_image);  
    userNameTextView.setText(Prevalent.currentOnlineUser.getName());  



    // Passing each menu ID as a set of Ids because each  
    // menu should be considered as top level destinations.  
    mAppBarConfiguration = new AppBarConfiguration.Builder(  
            R.id.nav_cart, R.id.nav_categories, R.id.nav_logout,R.id.nav_settings, R.id.nav_orders, R.id.nav_home)  
            .setOpenableLayout(drawer)  
            .build();  
    //NavController navController = Navigation.findNavController(this, R.id.nav_host_fragment_content_home);  
    //NavigationUI.setupActionBarWithNavController(this, navController, mAppBarConfiguration);  
    //NavigationUI.setupWithNavController(navigationView, navController);  

    recyclerView = findViewById(R.id.recycler_menu);  
    recyclerView.setHasFixedSize(true);  
    layoutManager = new LinearLayoutManager(this);  
    recyclerView.setLayoutManager(layoutManager);  
}  


@Override  
protected void onStart() {  
    super.onStart();  

    FirebaseRecyclerOptions<Products> options =  
            new FirebaseRecyclerOptions.Builder<Products>()  
            .setQuery(ProductsRef,Products.class)  
            .build();  

    FirebaseRecyclerAdapter<Products, ProductViewHolder> adapter =  
            new FirebaseRecyclerAdapter<Products, ProductViewHolder>(options) {  
                @Override  
                protected void onBindViewHolder(@NonNull ProductViewHolder holder, int position, @NonNull Products model) {  

                    holder.txtProductName.setText(model.getPname());  
                    holder.txtProductDescription.setText(model.getDescription());  
                    holder.txtProductPrice.setText("Price = "+ model.getPrice());  
                    Picasso.get().load(model.getImage()).into(holder.imageView);  


                }  

                @NonNull  
                @Override  
                public ProductViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {  
                    View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.product_items_layout, parent, false);  
                    ProductViewHolder holder = new ProductViewHolder(v);  
                    return holder;  
                }  
            };  
        recyclerView.setAdapter(adapter);  
        adapter.startListening();  

}  

@Override  
public boolean onCreateOptionsMenu(Menu menu) {  
    // Inflate the menu; this adds items to the action bar if it is present.  
    getMenuInflater().inflate(R.menu.home, menu);  
    return true;  
}  

//@Override  
//public boolean onSupportNavigateUp() {  
    //NavController navController = Navigation.findNavController(this, R.id.nav_host_fragment_content_home);  
    //return NavigationUI.navigateUp(navController, mAppBarConfiguration)  
            //|| super.onSupportNavigateUp();  

// }

@Override  
public boolean onOptionsItemSelected(MenuItem item){  
    int id = item.getItemId();  




    return super.onOptionsItemSelected(item);  
}  

@SuppressWarnings("StatementWithEmptyBody")  

@Override  
public boolean onNavigationItemSelected(MenuItem item) {  
    int id = item.getItemId();  
    if (id == R.id.nav_cart) {  

    } else if (id == R.id.nav_orders) {  

    } else if (id == R.id.nav_categories) {  
    } else if (id == R.id.nav_settings) {  
        Intent intent = new Intent(HomeActivity.this,settinsActivity.class);  
        startActivity(intent);  
    } else if (id == R.id.nav_logout) {  
        Paper.book().destroy();  

        Intent intent = new Intent(HomeActivity.this,MainActivity.class);  
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);  
        startActivity(intent);  
        finish();  
    }  

    DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);  
    drawer.closeDrawer(GravityCompat.START);  
    return true;  
}  

}

this is the image and the code of the HomeActivity.java actually i'm doing a tutorial and i found some difficult because of the new version of android studio i add an Intent as you see in the onNavigationItemSelected(MenuItem item) methode to go to another activity but it doesn't work when i click in the button of the bar like logout or settings can you help me to found the problem please Thanks

Answer 1

This seems to be java code.. I think you have posted to a wrong forum

Answer 2

what i should do please