improvement-thoughts

@EmptyPublicConstructor // <- MVP
@NewInstance(WalletViewHolder.WalletViewObject.class) // 2nd target
public class WalletDetailsFragment extends BaseFragment implements DetailsView {

  private static final String WALLET = "WALLET";
  @SuppressWarnings("WeakerAccess")
  @InjectPresenter
  DetailsPresenter presenter;
  private ViewGroup actionsContainer;
  private String currentCurrency;

  public WalletDetailsFragment() { // to avoid this (simply generate)
    // Empty constructor.
  }

  public static WalletDetailsFragment newInstance( // and this
      @NonNull WalletViewHolder.WalletViewObject wallet) {

    Bundle data = new Bundle();
    data.putSerializable(WALLET, wallet);
    WalletDetailsFragment fragment = new WalletDetailsFragment();
    fragment.setArguments(data);

    return fragment;
  }
  ...
}