Discussion :

[james8760]

Salutation

J'éssaye d'avoir une liste de groupe message en passant par un recyclerView dans un fragment, Nb: je débute en Android et Java, voici mon code


Code de mon fragment (Discution Fragment)

Code :

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package com.kirinno.maligaclassique;
 
import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.content.Context;
import android.content.SharedPreferences;
import android.graphics.Color;
import android.os.Build;
import android.os.Bundle;
 
import androidx.annotation.NonNull;
import androidx.fragment.app.Fragment;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
 
import android.preference.PreferenceManager;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.Toast;
 
import com.firebase.ui.database.FirebaseRecyclerOptions;
import com.google.android.gms.tasks.OnFailureListener;
import com.google.android.gms.tasks.OnSuccessListener;
import com.google.firebase.firestore.DocumentReference;
import com.google.firebase.firestore.EventListener;
import com.google.firebase.firestore.FirebaseFirestore;
import com.google.firebase.firestore.FirebaseFirestoreException;
import com.google.firebase.firestore.QueryDocumentSnapshot;
import com.google.firebase.firestore.QuerySnapshot;
import com.squareup.picasso.Picasso;
import de.hdodenhof.circleimageview.CircleImageView;
 
import java.util.ArrayList;
 
 
public class DiscutionFragment extends Fragment {
 
    private static final String TAG = "DiscutionFragment";
    ChatRoomRepository chatRoomRepository;
    private RecyclerView chatRooms;
 
    private View discutionFragmentView;
    private RecyclerView myDiscutionList;
 
    //private ListView listView;
    private ArrayAdapter<String> adapter;
    ArrayList<String> boutiques;
    String idBoutique;
    // private ChatRoomsAdapter adapter;
 
    private static final String CURRENT_USER_KEY = "CURRENT_USER_KEY";
    public static final String CURRENT_USER_PHONE= "CURRENT_USER_PHONE";
 
    AuthenticationRepository authentication;
 
    public static String phone = "";
    private Object ChatBoutiquesAdapter;
 
    public DiscutionFragment () {
 
    }
 
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
 
        discutionFragmentView = inflater.inflate(R.layout.activity_discution, container, false);
 
        myDiscutionList = (RecyclerView) discutionFragmentView.findViewById(R.id.discution_list);
        myDiscutionList.setLayoutManager(new LinearLayoutManager(getContext()));
 
        return discutionFragmentView;
 
    }
 
 
 
 
 
@Override
    public void onViewCreated(View view, Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
 
 
 
    /*
         * If the device is having android oreo we will create a notification channel
         * */
 
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            NotificationManager mNotificationManager =
                    (NotificationManager) getActivity().getSystemService(Context.NOTIFICATION_SERVICE);
            int importance = NotificationManager.IMPORTANCE_HIGH;
            NotificationChannel mChannel = new NotificationChannel(ChannelInfo.CHANNEL_ID, ChannelInfo.CHANNEL_NAME, importance);
            mChannel.setDescription(ChannelInfo.CHANNEL_DESCRIPTION);
            mChannel.enableLights(true);
            mChannel.setLightColor(Color.BLUE);
            mChannel.enableVibration(true);
            mChannel.setVibrationPattern(new long[]{100, 200, 300, 400, 500, 400, 300, 200, 400});
            mNotificationManager.createNotificationChannel(mChannel);
        }
 
        Bundle extras = getActivity().getIntent().getExtras();
        if (extras != null) {
            phone = extras.getString(CURRENT_USER_PHONE, "");
        }
        Toast.makeText(getActivity(), phone, Toast.LENGTH_SHORT).show();
 
        chatRoomRepository = new ChatRoomRepository(FirebaseFirestore.getInstance());
        authentication = new AuthenticationRepository(FirebaseFirestore.getInstance());
 
        // listView = view.findViewById(R.id.list_item);
        //chatRooms = view.findViewById(R.id.list_of_pseudo);
 
        //initUI();
        //getChatRooms();
        //getChatBoutiques();
        authenticate();
 
        /*listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
 
            @Override
            public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
                                    long arg3) {
                // TODO Auto-generated method stub
                String text = (String) listView.getItemAtPosition(arg2);
                getBoutiqueId(text);
                Intent intent = new Intent(getActivity(), ChatRoomActivity.class);
                intent.putExtra(ChatRoomActivity.CHAT_ROOM_ID, idBoutique);
                intent.putExtra(ChatRoomActivity.CHAT_ROOM_NAME, text);
                startActivity(intent);
                //Toast.makeText(getActivity(), idBoutique, Toast.LENGTH_SHORT).show();
 
            }
        });*/
 
 
 
}
 
    private void getChatBoutiques(){
        chatRoomRepository.getBoutiques(phone, new EventListener<QuerySnapshot>() {
            @Override
            public void onEvent(QuerySnapshot snapshots, FirebaseFirestoreException e) {
                if (e != null) {
                    Log.e("DiscutionFragment", "Listen failed.", e);
                    return;
                }
 
                boutiques = new ArrayList<>();
                for (QueryDocumentSnapshot doc : snapshots) {
                    boutiques.add(doc.getString("nom_boutique"));
 
                }
               /* adapter = new ChatBoutiquesAdapter(getActivity(), R.layout.item_boutique_listview, boutiques);
                listView.setAdapter(adapter);*/
            }
        });
    }
 
    public void getBoutiqueId(String text){
 
        chatRoomRepository.getBoutiquesId(text, new EventListener<QuerySnapshot>() {
            @Override
            public void onEvent(QuerySnapshot snapshots, FirebaseFirestoreException e) {
                if (e != null) {
                    Log.e("DiscutionFragment", "Listen failed.", e);
                    return;
                }
 
                for (QueryDocumentSnapshot doc : snapshots) {
                    idBoutique = doc.getId();
                }
 
            }
        });
    }
 
   /*
    private void initUI() {
        chatRooms.setLayoutManager(new LinearLayoutManager(getActivity()));
    }
    private void getChatRooms() {
        chatRoomRepository.getRooms(new EventListener<QuerySnapshot>() {
            @Override
            public void onEvent(QuerySnapshot snapshots, FirebaseFirestoreException e) {
                if (e != null) {
                    Log.e("DiscutionFragment", "Listen failed.", e);
                    return;
                }
 
                List<ChatRoom> rooms = new ArrayList<>();
                for (QueryDocumentSnapshot doc : snapshots) {
                    rooms.add(new ChatRoom(doc.getId(), doc.getString("name")));
                }
 
                adapter = new ChatRoomsAdapter(rooms, listener);
                chatRooms.setAdapter(adapter);
            }
        });
    }
 
    ChatRoomsAdapter.OnChatRoomClickListener listener = new ChatRoomsAdapter.OnChatRoomClickListener() {
        @Override
        public void onClick(ChatRoom chatRoom) {
            Intent intent = new Intent(getActivity(), ChatRoomActivity.class);
            intent.putExtra(ChatRoomActivity.CHAT_ROOM_ID, chatRoom.getId());
            intent.putExtra(ChatRoomActivity.CHAT_ROOM_NAME, chatRoom.getName());
            startActivity(intent);
        }
    };
*/
 
 
    private void authenticate() {
        String currentUserKey = getCurrentUserKey();
        if (currentUserKey.isEmpty())
        {
            authentication.createNewUser(
                    new OnSuccessListener<DocumentReference>() {
                        @Override
                        public void onSuccess(DocumentReference documentReference) {
                            saveCurrentUserKey(documentReference.getId());
                            Toast.makeText(getActivity(), "New user created", Toast.LENGTH_SHORT).show();
                        }
                    },
                    new OnFailureListener() {
                        @Override
                        public void onFailure(@NonNull Exception e) {
                            Toast.makeText(
                                    getActivity(),
                                    "Error creating user. Check your internet connection",
                                    Toast.LENGTH_SHORT)
                                    .show();
                        }
                    }
            );
        } else {
            authentication.login(
                    currentUserKey,
                    new OnSuccessListener<DocumentReference>() {
                        @Override
                        public void onSuccess(DocumentReference documentReference) {
                            Toast.makeText(getActivity(), "Logged in", Toast.LENGTH_SHORT).show();
                        }
                    },
                    new OnFailureListener() {
                        @Override
                        public void onFailure(@NonNull Exception e) {
                            Toast.makeText(
                                    getActivity(),
                                    "Error signing in. Check your internet connection",
                                    Toast.LENGTH_SHORT)
                                    .show();
                        }
                    }
            );
        }
    }
 
    private String getCurrentUserKey() {
        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getContext());
        return preferences.getString(CURRENT_USER_KEY, "");
 
    }
 
    private void saveCurrentUserKey(String key) {
        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getContext());
        SharedPreferences.Editor editor = preferences.edit();
        editor.putString(CURRENT_USER_KEY, key);
        editor.apply();
    }
}

Mon adaptateur (ChatBoutiqueAdapter) :

Code :

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package com.kirinno.maligaclassique;
import android.app.Activity;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
 
import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;
 
import com.amulyakhare.textdrawable.TextDrawable;
import com.amulyakhare.textdrawable.util.ColorGenerator;
 
import java.util.List;
 
import de.hdodenhof.circleimageview.CircleImageView;
 
 
 
public class ChatBoutiquesAdapter extends RecyclerView.ViewHolder
{
    TextView BoutiqueName, BeforelastMessage, LastMessage;
    CircleImageView profileImage;
    ImageView onlineIcon;
ListView boutiqueName;
ListView beforeLastMessage;
ListView lastMessage;
 
    public ChatBoutiquesAdapter(@NonNull View itemView)
    {
        super(itemView);
 
        boutiqueName = itemView.findViewById(R.id.boutique_name);
        beforeLastMessage = itemView.findViewById(R.id.Before_last_message);
        lastMessage = itemView.findViewById(R.id.Last_message);
        profileImage = itemView.findViewById(R.id.users_profile_image);
        onlineIcon = (ImageView) itemView.findViewById(R.id.user_online_status);
    }
 
 
 
    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View itemView = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_boutique_listview, parent, false);
 
        return new ViewHolder(itemView);
    }
 
public  class ViewHolder extends RecyclerView.ViewHolder {
    ImageView onlineIcon;
    ImageView profileImage;
    TextView boutiqueName;
    TextView beforeLastMessage;
    TextView lastMessage;
 
    public ViewHolder(View view) {
        super(view);
 
        onlineIcon = (ImageView)view.findViewById(R.id.user_online_status);
        profileImage = (ImageView)view.findViewById(R.id.users_profile_image);
        boutiqueName = (TextView )view.findViewById(R.id.boutique_name);
        beforeLastMessage = (TextView )view.findViewById(R.id.Before_last_message);
        lastMessage  = (TextView )view.findViewById(R.id.Last_message);
 
    }
 
}};
 
 
 
 
 
 
 
 
 
/*public class ChatBoutiquesAdapter extends ArrayAdapter<String> {
 
    private Context activity;
    private List<String> boutiqueList;
 
    public ChatBoutiquesAdapter(Context context, int resource, List<String> objects) {
        super(context, resource, objects);
        this.activity = context;
        this.boutiqueList = objects;
    }
 
    @Override
    public int getCount() {
        return boutiqueList.size();
    }
 
    @Override
    public String getItem(int position) {
        return boutiqueList.get(position);
    }
 
    @Override
    public long getItemId(int position) {
        return position;
    }
 
    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        ViewHolder holder;
        LayoutInflater inflater = (LayoutInflater) activity.getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
        // If holder not exist then locate all view from UI file.
        if (convertView == null) {
            // inflate UI from XML file
            convertView = inflater.inflate(R.layout.item_boutique_listview, parent, false);
            // get all UI view
            holder = new ViewHolder(convertView);
            // set tag for holder
            convertView.setTag(holder);
        } else {
            // if holder created, get tag from view
            holder = (ViewHolder) convertView.getTag();
        }
 
        holder.boutiqueName.setText(getItem(position));
 
        //get first letter of each String item
        String firstLetter = String.valueOf(getItem(position).charAt(0));
 
        ColorGenerator generator = ColorGenerator.MATERIAL; // or use DEFAULT
        // generate random color
        int color = generator.getColor(getItem(position));
        //int color = generator.getRandomColor();
 
        TextDrawable drawable = TextDrawable.builder()
                .buildRound(firstLetter, color); // radius in px
 
        holder.imageView.setImageDrawable(drawable);
 
        return convertView;
    }
 
    private class ViewHolder {
        private ImageView imageView;
        private TextView boutiqueName;
 
        public ViewHolder(View v) {
            imageView = (ImageView) v.findViewById(R.id.image_view);
            boutiqueName = (TextView) v.findViewById(R.id.text);
        }
    }
}*/
 
 
 
 
 
 
/*import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
 
import androidx.recyclerview.widget.RecyclerView;
 
import java.util.List;
 
public class ChatRoomsAdapter extends RecyclerView.Adapter<ChatRoomsAdapter.ChatRoomViewHolder> {
 
    interface OnChatRoomClickListener {
        void onClick(ChatRoom chatRoom);
    }
 
    private OnChatRoomClickListener listener;
 
        private List<ChatRoom> chatRooms;
 
 
    public ChatRoomsAdapter(List<ChatRoom> chatRooms, OnChatRoomClickListener listener) {
        this.chatRooms = chatRooms;
        this.listener = listener;
    }
 
    public ChatRoomsAdapter(List<ChatRoom> chatRooms) {
        this.chatRooms = chatRooms;
    }
 
    @Override
    public ChatRoomViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(parent.getContext()).inflate(
                R.layout.item_chat_room,
                parent,
                false
        );
        return new ChatRoomViewHolder(view);
    }
 
    @Override
    public void onBindViewHolder(ChatRoomViewHolder holder, int position) {
        holder.bind(chatRooms.get(position));
    }
 
    @Override
    public int getItemCount() {
        return chatRooms.size();
    }
 
    class ChatRoomViewHolder extends RecyclerView.ViewHolder {
        TextView name;
        ChatRoom chatRoom;
 
        public ChatRoomViewHolder(View itemView) {
            super(itemView);
            name = itemView.findViewById(R.id.item_chat_room_name);
            itemView.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    listener.onClick(chatRoom);
                }
            });
        }
 
        public void bind(ChatRoom chatRoom) {
            this.chatRoom = chatRoom;
            name.setText(chatRoom.getName());
        }
    }
}*/

Ma classe java (Boutique.java)

Code :

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package com.kirinno.maligaclassique;
 
public class Boutique {
    public String boutique, before_last_message, last_message,image;
 
 
 
    public Boutique(String boutique, String before_last_message, String last_message,String image) {
        this.boutique = boutique;
        this.before_last_message = before_last_message;
        this.last_message = last_message;
        this.image = image;
    }
 
    public String getBoutique() {
        return boutique;
    }
 
    public void setBoutique(String boutique) {
        this.boutique = boutique;
    }
 
    public String getBefore_last_message() {
        return before_last_message;
    }
 
    public void setBefore_last_message(String before_last_message) {
        this.before_last_message = before_last_message;
    }
 
    public String getLast_message() {
        return last_message;
    }
 
    public void setLast_message(String last_message) {
        this.last_message = last_message;
    }
 
 
    public String getImage() {
        return image;
    }
 
    public void setImage(String image) {
        this.image = image;
    }
}