title: Navigation drawer lags when opening and closing android
body: <p>I am at trying to to get my navigation drawer to run smoothly as there is a stutter/delay in transition when opening and closing the drawer. I would like this to run perfectly. Any help?</p>
  
  <pre><code>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);
  
          final MediaPlayer mp = MediaPlayer.create(this, R.raw.firsteps);
          mp.start();
  
  
          DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
          ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
                  this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
          drawer.setDrawerListener(toggle);
          toggle.syncState();
  
          NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
          navigationView.setItemIconTintList(null);
          navigationView.setNavigationItemSelectedListener(this);
  
  
          FragmentManager fm = getSupportFragmentManager();
          fm.beginTransaction().replace(R.id.content_frame, new MainFragment()).commit();
  
      }
  
      @Override
      public void onBackPressed() {
          DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
          if (drawer.isDrawerOpen(GravityCompat.START)) {
              drawer.closeDrawer(GravityCompat.START);
          } else {
              super.onBackPressed();
          }
      }
  
      @Override
      public boolean onCreateOptionsMenu(Menu menu) {
          // Inflate the menu; this adds items to the action bar if it is present.
          getMenuInflater().inflate(R.menu.main, menu);
          return true;
      }
  
      @Override
      public boolean onOptionsItemSelected(MenuItem item) {
          // Handle action bar item clicks here. The action bar will
          // automatically handle clicks on the Home/Up button, so long
          // as you specify a parent activity in AndroidManifest.xml.
          int id = item.getItemId();
  
          //noinspection SimplifiableIfStatement
          if (id == R.id.action_settings) {
              startActivity(new Intent(getApplicationContext(),Testing.class));
              return true;
          }
  
          return super.onOptionsItemSelected(item);
      }
  
      @SuppressWarnings("StatementWithEmptyBody")
      @Override
      public boolean onNavigationItemSelected(MenuItem item) {
  
          //final MediaPlayer mp = MediaPlayer.create(this, R.raw.xlophone);
  
          FragmentManager fm = getSupportFragmentManager();
  
          int id = item.getItemId();
  
          if (id == R.id.car_stories) {
  
              fm.beginTransaction().replace(R.id.content_frame,new ChildrensList()).commit();
              //mp.start();
          } else if (id == R.id.car_places) {
  
              fm.beginTransaction().replace(R.id.content_frame,new ImportFragment()).commit();
              //mp.start();
  
          } else if (id == R.id.nav_slideshow) {
  
          } else if (id == R.id.nav_manage) {
  
          } else if (id == R.id.nav_share) {
  
          } else if (id == R.id.nav_send) {
  
          }
  
          DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
          drawer.closeDrawer(GravityCompat.START);
          return true;
      }
  }
  </code></pre>