4.0.0 的 BaseActivity 还是 V7 包

import android.support.v7.app.AppCompatActivity; import com.trello.rxlifecycle2.LifecycleProvider; import com.trello.rxlifecycle2.LifecycleTransformer; import com.trello.rxlifecycle2.RxLifecycle; import com.trello.rxlifecycle2.android.ActivityEvent; import com.trello.rxlifecycle2.android.RxLifecycleAndroid; import io.reactivex.Observable; import io.reactivex.subjects.BehaviorSubject;

public abstract class RxAppCompatActivity extends AppCompatActivity implements LifecycleProvider {