content: /*
   * Copyright (C) 2014 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package androidx.test.ui.app;
  
  import android.content.res.Configuration;
  import android.os.Bundle;
  import android.view.MenuItem;
  import android.view.View;
  import android.widget.AdapterView;
  import android.widget.AdapterView.OnItemClickListener;
  import android.widget.ArrayAdapter;
  import android.widget.ListAdapter;
  import android.widget.ListView;
  import android.widget.TextView;
  import androidx.appcompat.app.ActionBarDrawerToggle;
  import androidx.appcompat.app.AppCompatActivity;
  import androidx.drawerlayout.widget.DrawerLayout;
  
  /** Activity to demonstrate actions on a {@link DrawerLayout}. */
  @SuppressWarnings("SetTextI18n")
  public class DrawerActivity extends AppCompatActivity {
  
    public static final String[] DRAWER_CONTENTS =
        new String[] {"Platypus", "Wombat", "Pickle", "Badger"};
  
    private ActionBarDrawerToggle drawerToggle;
    private CharSequence title;
  
    @Override
    public void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.drawer_activity);
  
      ListAdapter listAdapter = new ArrayAdapter<String>(
          getApplicationContext(), R.layout.drawer_row, R.id.drawer_row_name, DRAWER_CONTENTS);
      final DrawerLayout drawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
      ListView drawerList = (ListView) findViewById(R.id.drawer_list);
      drawerList.setAdapter(listAdapter);
  
      final TextView textView = (TextView) findViewById(R.id.drawer_text_view);
  
      drawerList.setOnItemClickListener(new OnItemClickListener() {
        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
          textView.setText("You picked: " + DRAWER_CONTENTS[(int) id]);
          drawerLayout.closeDrawers();
        }
      });
  
      getSupportActionBar().setDisplayHomeAsUpEnabled(true);
      getSupportActionBar().setHomeButtonEnabled(true);
  
      title = getTitle();
  
      drawerToggle =
          new ActionBarDrawerToggle(
              this, drawerLayout, R.string.nav_drawer_open, R.string.nav_drawer_close) {
  
            /** Called when a drawer has settled in a completely closed state. */
            @Override
            public void onDrawerClosed(View view) {
              getSupportActionBar().setTitle(title);
            }
  
            /** Called when a drawer has settled in a completely open state. */
            @Override
            public void onDrawerOpened(View drawerView) {
              getSupportActionBar().setTitle(title);
            }
          };
      drawerLayout.setDrawerListener(drawerToggle);
    }
  
    @Override
    public void setTitle(CharSequence title) {
      this.title = title;
      getSupportActionBar().setTitle(title);
    }
  
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
      // The action bar home/up action should open or close the drawer.
      // ActionBarDrawerToggle will take care of this.
      if (drawerToggle.onOptionsItemSelected(item)) {
        return true;
      }
      return super.onOptionsItemSelected(item);
    }
  
    @Override
    protected void onPostCreate(Bundle savedInstanceState) {
      super.onPostCreate(savedInstanceState);
      // Sync the toggle state after onRestoreInstanceState has occurred.
      drawerToggle.syncState();
    }
  
    @Override
    public void onConfigurationChanged(Configuration newConfig) {
      super.onConfigurationChanged(newConfig);
      // Pass any configuration change to the drawer toggls
      drawerToggle.onConfigurationChanged(newConfig);
    }
  }
  
  