Community.java
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package com.example.user.firebaseauthdemo;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;
import com.firebase.ui.database.FirebaseRecyclerAdapter;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.squareup.picasso.Picasso;
import org.w3c.dom.Text;
/**
* Created by HYB on 2017. 10 . 11..
*/
public class Community extends Fragment
{
private RecyclerView mBlogList;
private RecyclerView.LayoutManager layoutManager;
private DatabaseReference mDatabase;
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, Bundle savedInstanceState)
{
setHasOptionsMenu(true);
LinearLayoutManager lm = new LinearLayoutManager(getActivity());
View view = inflater.inflate(R.layout.community, container, false);
mDatabase = FirebaseDatabase.getInstance().getReference().child("Blog");
lm.setReverseLayout(true);
lm.setStackFromEnd(true);
mBlogList = (RecyclerView) view.findViewById(R.id.blog_list);
mBlogList.setHasFixedSize(true);
mBlogList.setLayoutManager(lm);
return view;
}
@Override
public void onStart()
{
super.onStart();
FirebaseRecyclerAdapter<Blog, BlogViewHolder> firebaseRecyclerAdapter = new FirebaseRecyclerAdapter<Blog, BlogViewHolder>
( Blog.class, R.layout.blog_row, BlogViewHolder.class, mDatabase)
{
@Override
protected void populateViewHolder(BlogViewHolder viewHolder, Blog model, int position)
{
viewHolder.setTitle(model.getTitle());
viewHolder.setDesc(model.getDesc());
viewHolder.setImage(getActivity().getApplicationContext(), model.getImage());
viewHolder.setNickname(model.getNickname());
}
};
mBlogList.setAdapter(firebaseRecyclerAdapter);
}
public static class BlogViewHolder extends RecyclerView.ViewHolder
{
View mView;
public BlogViewHolder(View itemView)
{
super(itemView);
mView = itemView;
}
public void setTitle(String title)
{
TextView post_title = (TextView) mView.findViewById(R.id.post_title);
if (title.length() > 30)
{
post_title.setText(title.substring(0, 30));
}
else
{
post_title.setText(title);
}
}
public void setDesc(String desc)
{
TextView post_desc = (TextView) mView.findViewById(R.id.post_desc);
if (desc.length() > 50)
{
post_desc.setText(desc.substring(0, 50));
}
else
{
post_desc.setText(desc);
}
}
public void setImage(Context ctx, String image)
{
ImageView post_image = (ImageView) mView.findViewById(R.id.post_image);
Picasso.with(ctx).load(image).into(post_image);
}
public void setNickname(String nickname)
{
TextView nick_title = (TextView)mView.findViewById(R.id.nick_Title);
nick_title.setText(nickname);
}
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater)
{
inflater.inflate(R.menu.community_menu, menu);
super.onCreateOptionsMenu(menu, inflater);
}
@Override
public boolean onOptionsItemSelected(MenuItem item)
{
if (item.getItemId() == R.id.action_add)
{
Intent intent = new Intent(getActivity(), PostActivity.class);
startActivity(intent);
}
return super.onOptionsItemSelected(item);
}
}