Class MainActivity

app/src/main/java/com/jakewharton/u2020/ui/MainActivity.java:29–113

import static android.widget.Toast.LENGTH_SHORT;

public final class MainActivity extends Activity {
  @BindView(R.id.main_drawer_layout) DrawerLayout drawerLayout;
  @BindView(R.id.main_navigation) NavigationView drawer;
  @BindView(R.id.main_content) ViewGroup content;

  @BindColor(R.color.status_bar) int statusBarColor;

  @Inject ViewContainer viewContainer;

  private ObjectGraph activityGraph;

  @Override protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    LayoutInflater inflater = getLayoutInflater();

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
      // Remove the status bar color. The DrawerLayout is responsible for drawing it from now on.
      setStatusBarColor(getWindow());
    }

    // Explicitly reference the application object since we don't want to match our own injector.
    ObjectGraph appGraph = Injector.obtain(getApplication());
    appGraph.inject(this);
    activityGraph = appGraph.plus(new MainActivityModule(this));

    ViewGroup container = viewContainer.forActivity(this);

    inflater.inflate(R.layout.main_activity, container);
    ButterKnife.bind(this, container);

    drawerLayout.setStatusBarBackgroundColor(statusBarColor);
    drawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);

    drawer.setNavigationItemSelectedListener(item -> {
      switch (item.getItemId()) {
        case R.id.nav_search:
          Toast.makeText(MainActivity.this, "Search!", LENGTH_SHORT).show();
          break;
        case R.id.nav_trending:
          Toast.makeText(MainActivity.this, "Trending!", LENGTH_SHORT).show();
          break;
        default:
          throw new IllegalStateException("Unknown navigation item: " + item.getTitle());
      }

      drawerLayout.closeDrawers();
      // If we supported actual navigation, we would change what was checked and navigate there.
      //item.setChecked(true);

      return true;
    });

    inflater.inflate(R.layout.trending_view, content);
  }

  @Override public Object getSystemService(@NonNull String name) {
    if (Injector.matchesService(name)) {
      return activityGraph;