小编mah*_*ian的帖子

我想用dagger 2注入我的Androidx片段.在我的活动中我有:

  public class MainActivity extends AppCompatActivity implements HasSupportFragmentInjector
{
    @Inject Reposetory reposetory;
    @Inject DispatchingAndroidInjector<androidx.fragment.app.Fragment> dispatchingAndroidInjector;
    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }

    @Override
    public AndroidInjector<androidx.fragment.app.Fragment> supportFragmentInjector()
    {
        return dispatchingAndroidInjector;
    }
}

问题是,当我想要构建项目时,我收到此错误:

error: cannot find symbol class MapBuilder

当我在DispatchingAndroidInjector 中将androidx.fragment.app.Fragment更改为Fragment时,我不再收到此错误.