Base Fragment for dispose observables

BaseFragment.kt

/**
 * Created by Dinorah Tovar on 8/21/18
 * All fragments should extend from this fragment.
 */
open class BaseFragment : Fragment() {

    /**
     * Keep reference of the active presenter
     */
    private var basePresenter: BasePresenter? = null

    /**
     * Clear disposables once user is no longer on screen.
     */
    override fun onDestroy() {
        super.onDestroy()
        basePresenter?.safeDispose()
        basePresenter = null
    }

    /**
     * Set active presenter
     */
    fun setPresenter(presenter: BasePresenter?) {
        basePresenter = presenter
    }

}