android.support.v4.app.DialogFragment; import android.support.v7.widget.RecyclerViewimport com.example.mrti.menu.R;
public class CategoryAdapter extends RecyclerView.Adapter
我正在尝试在我的Android Studio Project for SDK version28中添加CardView和RecyclerView依赖项。基本功能将无法正常工作“。implementation 'com.android.support:cardview-v7:28.0.0'
implementation 'com.android.support:recyclerview-v7implementation 'com.mcxiaoke.volley:library:1.0.19
我试图在另一个视图中显示所选项目,但无法使用getRef方法获取密钥。我应该如何获得传递数据的密钥?onCancelled(@NonNull DatabaseError error) {
});public class ImageAdapter extends RecyclerView.AdapterOverride return mUploads.size();
public class ImageViewHolder extends