NavigationDrawer with calculations for proper width, based on https://github.com/HeinrichReimer/material-drawer/blob/master/library/src/main/java/com/heinrichreimersoftware/materialdrawer/DrawerView.java

NavigationDrawerLayout.java

public class NavigationDrawerLayout extends ScrimInsetsLinearLayout {

  private int drawerMaxWidth = -1;

  public NavigationDrawerLayout(Context context) {
    super(context);
  }

  public NavigationDrawerLayout(Context context, AttributeSet attrs) {
    super(context, attrs);
  }

  public NavigationDrawerLayout(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);
  }

  @Override
  protected void onSizeChanged(int w, int h, int oldW, int oldH) {
    super.onSizeChanged(w, h, oldW, oldH);

    if (w != oldW) {
      if (drawerMaxWidth <= 0) {
        if (getLayoutParams().width != ViewGroup.LayoutParams.MATCH_PARENT && getLayoutParams().width != ViewGroup.LayoutParams.WRAP_CONTENT) {
          setDrawerMaxWidth(getLayoutParams().width);
        } else {
          resetDrawerMaxWidth();
        }
      }

      updateDrawerWidth();
    }
  }

  private void updateDrawerWidth() {
    int viewportWidth = getContext().getResources().getDisplayMetrics().widthPixels;
    int viewportHeight = getContext().getResources().getDisplayMetrics().heightPixels;

    //Minus the width of the vertical nav bar
    if (getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE) {
      int navigationBarWidthResId = getResources().getIdentifier("navigation_bar_width", "dimen", "android");
      if (navigationBarWidthResId > 0) {
        viewportWidth -= getResources().getDimensionPixelSize(navigationBarWidthResId);
      }
    }

    int viewportMin = Math.min(viewportWidth, viewportHeight);

    //App bar size
    TypedValue typedValue = new TypedValue();
    getContext().getTheme().resolveAttribute(R.attr.actionBarSize, typedValue, true);
    int actionBarSize = TypedValue.complexToDimensionPixelSize(typedValue.data, getResources().getDisplayMetrics());

    int width = viewportMin - actionBarSize;

    getLayoutParams().width = Math.min(width, drawerMaxWidth);
  }

  /**
   * Sets the max drawer width
   *
   * @param drawerMaxWidth Max drawer width to set
   */
  public void setDrawerMaxWidth(int drawerMaxWidth) {
    this.drawerMaxWidth = drawerMaxWidth;
    updateDrawerWidth();
  }

  /**
   * Resets the max drawer width
   */
  public void resetDrawerMaxWidth() {
    this.drawerMaxWidth = getResources().getDimensionPixelSize(R.dimen.navigation_drawer_max_width);
    updateDrawerWidth();
  }
}