在app - com.google.android.gms.maps中使用Map的错误。不能将MapFragment转换为android.support.v4.app.Fragment。

I have a old app and I'm trying make a update to add maps. Google-services added to my workspace in eclipse and created as a library reference in my project. Mapkey and permissions added in the manifest.I have a old app and I'm trying make a update t