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[チャット]タブをクリックすると、リサイクラビューにフラグメント内のアイテムが表示されません。それは私が活動中にそれを持っていたときに前に働いていました。今は、アプリケーションを実行しているときに項目を表示していないようです。私はデバッグなどを試みてきたが、問題を見つけることができないようだ。どんな助けでも感謝します、ありがとう！ ChatFragment.javaでRecyclerViewビューのページャフラグメント内にアイテムが表示されない
ChatFragment.java
package com.swampass.nauticalapp;
import android.app.Activity;
import android.content.Context;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.database.DataSnapshot;
import com.google.firebase.database.DatabaseError;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.database.ValueEventListener;
import com.swampass.nauticalapp.model.ActiveChatConvo;
import com.swampass.nauticalapp.model.User;
import java.util.ArrayList;
public class ChatsFragment extends Fragment {
private RecyclerView recyclerView;
private DatabaseReference mRef;
private LinearLayoutManager mLinearLayoutManager;
private ArrayList<User> users;
private FirebaseAuth mAuth;
private ActiveChatConvo adapter;
public ChatsFragment() {
// Required empty public constructor
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
{
View penis = inflater.inflate(R.layout.fragment_chats, container, false);
// Inflate the layout for this fragment
mRef = FirebaseDatabase.getInstance().getReference("Users");
mRef.keepSynced(true);
mAuth = FirebaseAuth.getInstance();
users = new ArrayList<>();
adapter = new ActiveChatConvo(users,getContext());
mRef.addListenerForSingleValueEvent(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
if (dataSnapshot.exists())
{
for (DataSnapshot postSnapshot: dataSnapshot.getChildren())
{
String name = postSnapshot.child("Name").getValue(String.class);
String email = postSnapshot.child("Email").getValue(String.class);
String pic = postSnapshot.child("image").getValue(String.class);
users.add(new User(name,email,pic));
}
adapter.notifyDataSetChanged();
}
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
});
//Recycler View
recyclerView = (RecyclerView) penis.findViewById(R.id.active_chats);
//ActiveChatConvo adapter = new ActiveChatConvo(users,this);
Context c = getContext();
mLinearLayoutManager = new LinearLayoutManager(getActivity());
//mLinearLayoutManager.setStackFromEnd(true);
recyclerView.setLayoutManager(mLinearLayoutManager);
recyclerView.setAdapter(adapter);
//adapter.notifyDataSetChanged();
return inflater.inflate(R.layout.fragment_chats, container, false);
}
}
ActiveChatConvo.java
package com.swampass.nauticalapp.model;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.google.firebase.database.DataSnapshot;
import com.google.firebase.database.DatabaseError;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.ValueEventListener;
import com.squareup.picasso.Picasso;
import com.swampass.nauticalapp.ChatConversationActivity;
import com.swampass.nauticalapp.R;
import java.util.ArrayList;
import java.util.List;
/**
* Created by Peter on 6/6/2017.
*/
public class ActiveChatConvo extends RecyclerView.Adapter<ActiveChatConvo.ViewHolder> {
private ArrayList<User> mUsers;
private Context mContext;
public ActiveChatConvo(ArrayList<User> users, Context dick) {
mUsers = users;
mContext = dick;
}
private Context getContext() {
return mContext;
}
@Override
public ActiveChatConvo.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
Context context = parent.getContext();
LayoutInflater inflater = LayoutInflater.from(context);
// Inflate the custom layout
View contactView = inflater.inflate(R.layout.chat_single_item, parent, false);
// Return a new holder instance
ViewHolder viewHolder = new ViewHolder(contactView);
return viewHolder;
}
@Override
public void onBindViewHolder(ViewHolder holder, int position) {
// Get the data model based on position
User user = mUsers.get(position);
// Set item views based on your views and data model
TextView name = holder.mItemName;
name.setText(user.getName());
TextView description = holder.mItemDescription;
description.setText(user.getEmail());
ImageView pic = holder.mItemImage;
Picasso.with(pic.getContext()).load(Uri.parse(user.getPic())).into(pic);
}
@Override
public int getItemCount() {
return mUsers.size();
}
public static class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
private ImageView mItemImage;
private TextView mItemName;
private TextView mItemDescription;
private LinearLayout layout;
final LinearLayout.LayoutParams params;
public ViewHolder(View v) {
super(v);
mItemImage = (ImageView) v.findViewById(R.id.chat_persion_image);
mItemName = (TextView) v.findViewById(R.id.chat_persion_name);
mItemDescription = (TextView) v.findViewById(R.id.chat_persion_email);
layout = (LinearLayout) itemView.findViewById(R.id.show_chat_single_item_layout);
params = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
v.setOnClickListener(this);
}
@Override
public void onClick(View v) {
Context context = itemView.getContext();
Intent intent = new Intent(context, ChatConversationActivity.class);
// intent.putExtra("image_id",);
intent.putExtra("descripion", mItemDescription.getText().toString());
intent.putExtra("name", mItemName.getText().toString());
context.startActivity(intent);
}
}
}
fragment_chat.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context="com.swampass.nauticalapp.ChatsFragment">
<!-- TODO: Update blank fragment layout -->
<android.support.v7.widget.RecyclerView
android:id="@+id/active_chats"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_alignParentBottom="true"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:background="@color/colorAccent">
</android.support.v7.widget.RecyclerView>
</LinearLayout>
このリントを返すinflater.inflate（R.layout.fragment_chats、container、false）;陰茎を返す。 –