FirebaseRecyclerAdapter未调用java OnCreateViewHolder<>
我试着调试我的程序,注意到FirebaseRecyclerAdapter recyclerAdapter=new FirebaseRecyclerAdapter中没有执行( 选项)。我已经尝试了所有可能的解决方案,但似乎没有什么能解决我的问题。我把我的主要活动放在这里。java,主要活动。xml,如果你需要任何其他附件,请告诉我, 谢谢!
主要活动。爪哇
public class MainActivity extends AppCompatActivity {
private RecyclerView recyclerView;
private DatabaseReference myref;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
recyclerView=(RecyclerView)findViewById(R.id.recyclerview);
recyclerView.setHasFixedSize(false);
recyclerView.setLayoutManager(new LinearLayoutManager(this));
myref= FirebaseDatabase.getInstance().getReference().child("/blog");
FirebaseRecyclerOptions<Blog> options =
new FirebaseRecyclerOptions.Builder<Blog>()
.setQuery(myref, Blog.class)
.build();
FirebaseRecyclerAdapter<Blog,BlogViewHolder> recyclerAdapter=new FirebaseRecyclerAdapter<Blog,BlogViewHolder>(
options) {
//this is not being executed
@Override
public BlogViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View view = LayoutInflater.from(parent.getContext())
.inflate(R.layout.individual_row, parent, false);
return new BlogViewHolder(view);
}
@Override
public void onBindViewHolder(BlogViewHolder holder, int position, Blog model) {
holder.setTitle(model.getTitle());
holder.setDescription(model.getDescription());
holder.setImage(model.getImage());
}
};
recyclerView.setAdapter(recyclerAdapter);
}
public static class BlogViewHolder extends RecyclerView.ViewHolder {
View mView;
TextView textView_title;
TextView textView_decription;
ImageView imageView;
public BlogViewHolder(View itemView) {
super(itemView);
mView=itemView;
textView_title = (TextView)itemView.findViewById(R.id.title);
textView_decription = (TextView) itemView.findViewById(R.id.description);
imageView=(ImageView)itemView.findViewById(R.id.image);
}
public void setTitle(String title)
{
textView_title.setText(title+"");
}
public void setDescription(String description)
{
textView_decription.setText(description);
}
public void setImage(String image)
{
Picasso.with(mView.getContext())
.load(image)
.into(imageView);
}
}
}
主要活动。xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:安卓="http://schemas.安卓.com/apk/res/安卓"
xmlns:tools="http://schemas.安卓.com/tools"
安卓:id="@+id/activity_main"
安卓:layout_width="match_parent"
安卓:layout_height="match_parent"
>
<安卓.support.v7.widget.RecyclerView
安卓:id="@+id/recyclerview"
安卓:layout_width="match_parent"
安卓:layout_height="match_parent">
</安卓.support.v7.widget.RecyclerView>
</RelativeLayout>
共 (0) 个答案