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One layout works but other doesnt

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User

( 5 months ago )

 

everyone. I was creating a simple app for fun and came up with this problem. Basically, I checked everything and found some problem with the layouts. I am using navigation and from navigation, it takes the user to 4 different parts. Everything works except for the last part, the button is not taking me to anywhere.

import android.content.Intent;
import android.support.v4.app.Fragment;


import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v4.app.FragmentTransaction;
import android.view.View;
import android.support.design.widget.NavigationView;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.ArrayAdapter;
import android.widget.ListAdapter;
import android.widget.ListView;

public class MainActivity extends AppCompatActivity
        implements NavigationView.OnNavigationItemSelectedListener {

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);

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

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