[WIP] Added start chat fragment template, chat list recycle view (with adapter), handling new chats (in live mode). // TODO: Make starting chat

app/src/main/java/io/github/chronosx88/influence/contracts/MainViewContract.java

@@ -1,7 +0,0 @@
-package io.github.chronosx88.influence.contracts;
-
-import android.content.SharedPreferences;
-
-public interface MainViewContract {
-    //
-}

app/src/main/java/io/github/chronosx88/influence/contracts/chatlist/ChatListLogicContract.java

@@ -0,0 +1,10 @@
+package io.github.chronosx88.influence.contracts.chatlist;
+
+import java.util.List;
+
+import io.github.chronosx88.influence.models.roomEntities.ChatEntity;
+
+public interface ChatListLogicContract {
+    List<ChatEntity> loadAllChats();
+    void createChatBySender(ChatEntity entity);
+}

app/src/main/java/io/github/chronosx88/influence/contracts/chatlist/ChatListPresenterContract.java

@@ -0,0 +1,6 @@
+package io.github.chronosx88.influence.contracts.chatlist;
+
+public interface ChatListPresenterContract {
+    void updateChatList();
+    void openChat(String chatID);
+}

app/src/main/java/io/github/chronosx88/influence/contracts/chatlist/ChatListViewContract.java

@@ -0,0 +1,7 @@
+package io.github.chronosx88.influence.contracts.chatlist;
+
+import io.github.chronosx88.influence.helpers.ChatListAdapter;
+
+public interface ChatListViewContract {
+    void setRecycleAdapter(ChatListAdapter adapter);
+}

app/src/main/java/io/github/chronosx88/influence/contracts/main/MainLogicContract.java

@@ -1,4 +1,4 @@
-package io.github.chronosx88.influence.contracts;
+package io.github.chronosx88.influence.contracts.main;
 
 public interface MainLogicContract {
     void initPeer();

app/src/main/java/io/github/chronosx88/influence/contracts/main/MainPresenterContract.java

@@ -1,4 +1,4 @@
-package io.github.chronosx88.influence.contracts;
+package io.github.chronosx88.influence.contracts.main;
 
 public interface MainPresenterContract {
     void initPeer();

app/src/main/java/io/github/chronosx88/influence/contracts/main/MainViewContract.java

@@ -0,0 +1,5 @@
+package io.github.chronosx88.influence.contracts.main;
+
+public interface MainViewContract {
+    //
+}

app/src/main/java/io/github/chronosx88/influence/helpers/ChatListAdapter.java

@@ -0,0 +1,50 @@
+package io.github.chronosx88.influence.helpers;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+import io.github.chronosx88.influence.R;
+import io.github.chronosx88.influence.models.roomEntities.ChatEntity;
+
+public class ChatListAdapter extends RecyclerView.Adapter<ChatListAdapter.ChatListViewHolder> {
+    List<ChatEntity> chatList = new ArrayList<>();
+
+    @NonNull
+    @Override
+    public ChatListViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext())
+                .inflate(R.layout.chat_item, parent, false);
+        return new ChatListViewHolder(view);
+    }
+
+    public void setChatList(List<ChatEntity> entities) {
+        chatList.clear();
+        chatList.addAll(entities);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull ChatListViewHolder holder, int position) {
+        holder.chatName.setText(chatList.get(position).getName());
+    }
+
+    @Override
+    public int getItemCount() {
+        return chatList.size();
+    }
+
+    class ChatListViewHolder extends RecyclerView.ViewHolder {
+        TextView chatName;
+
+        public ChatListViewHolder(View itemView) {
+            super(itemView);
+            chatName = itemView.findViewById(R.id.chat_name);
+        }
+    }
+}

app/src/main/java/io/github/chronosx88/influence/helpers/NetworkActions.java

@@ -0,0 +1,7 @@
+package io.github.chronosx88.influence.helpers;
+
+public class NetworkActions {
+    public static final int START_CHAT = 0x0;
+    public static final int NEW_MESSAGE = 0x1;
+    public static final int MESSAGE_SENT = 0x2;
+}

app/src/main/java/io/github/chronosx88/influence/helpers/RoomHelper.java

@@ -2,12 +2,12 @@ package io.github.chronosx88.influence.helpers;
 
 import androidx.room.Database;
 import androidx.room.RoomDatabase;
-import io.github.chronosx88.influence.models.roomEntities.ChatModel;
-import io.github.chronosx88.influence.models.roomEntities.MessageModel;
 import io.github.chronosx88.influence.models.daos.ChatDao;
 import io.github.chronosx88.influence.models.daos.MessageDao;
+import io.github.chronosx88.influence.models.roomEntities.ChatEntity;
+import io.github.chronosx88.influence.models.roomEntities.MessageEntity;
 
-@Database(entities = { MessageModel.class, ChatModel.class }, version = 1)
+@Database(entities = { MessageEntity.class, ChatEntity.class }, version = 1)
 public abstract class RoomHelper extends RoomDatabase {
     public abstract ChatDao chatDao();
     public abstract MessageDao messageDao();

app/src/main/java/io/github/chronosx88/influence/helpers/UIActions.java

@@ -1,10 +1,11 @@
 package io.github.chronosx88.influence.helpers;
 
-public class MessageActions {
+public class UIActions {
     public static final int BOOTSTRAP_NOT_SPECIFIED = 0x0;
     public static final int NETWORK_ERROR = 0x1;
     public static final int BOOTSTRAP_SUCCESS = 0x2;
     public static final int PORT_FORWARDING_ERROR = 0x3;
     public static final int RELAY_CONNECTION_ERROR = 0x4;
     public static final int BOOTSTRAP_ERROR = 0x5;
+    public static final int NEW_CHAT = 0x6;
 }

app/src/main/java/io/github/chronosx88/influence/logic/ChatListLogic.java

@@ -0,0 +1,45 @@
+package io.github.chronosx88.influence.logic;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.util.List;
+
+import io.github.chronosx88.influence.contracts.chatlist.ChatListLogicContract;
+import io.github.chronosx88.influence.contracts.observer.Observer;
+import io.github.chronosx88.influence.helpers.AppHelper;
+import io.github.chronosx88.influence.helpers.NetworkActions;
+import io.github.chronosx88.influence.helpers.UIActions;
+import io.github.chronosx88.influence.models.roomEntities.ChatEntity;
+import io.github.chronosx88.influence.observable.MainObservable;
+
+public class ChatListLogic implements ChatListLogicContract, Observer {
+    public ChatListLogic() {
+        AppHelper.getObservable().register(this, MainObservable.OTHER_ACTIONS_CHANNEL);
+    }
+
+    @Override
+    public List<ChatEntity> loadAllChats() {
+        return AppHelper.getChatDB().chatDao().getAllChats();
+    }
+
+    @Override
+    public void handleEvent(JSONObject object) {
+        try {
+            switch ((int) object.get("action")) {
+                case NetworkActions.START_CHAT: {
+                    createChatBySender(new ChatEntity(object.getString("chatID"), object.getString("name"), ""));
+                    AppHelper.getObservable().notifyObservers(new JSONObject().put("action", UIActions.NEW_CHAT), MainObservable.UI_ACTIONS_CHANNEL);
+                    break;
+                }
+            }
+        } catch (JSONException e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void createChatBySender(ChatEntity entity) {
+        AppHelper.getChatDB().chatDao().addChat(entity);
+    }
+}

app/src/main/java/io/github/chronosx88/influence/logic/MainLogic.java

@@ -25,10 +25,10 @@ import java.net.InetAddress;
 import java.net.UnknownHostException;
 import java.util.UUID;
 
-import io.github.chronosx88.influence.contracts.MainLogicContract;
+import io.github.chronosx88.influence.contracts.main.MainLogicContract;
 import io.github.chronosx88.influence.helpers.AppHelper;
-import io.github.chronosx88.influence.helpers.MessageActions;
 import io.github.chronosx88.influence.helpers.StorageMVStore;
+import io.github.chronosx88.influence.helpers.UIActions;
 import io.github.chronosx88.influence.observable.MainObservable;
 
 public class MainLogic implements MainLogicContract {
@@ -77,7 +77,7 @@ public class MainLogic implements MainLogicContract {
                 } catch (NullPointerException e) {
                     try {
                         AppHelper.getObservable().notifyObservers(new JSONObject()
-                                .put("action", MessageActions.BOOTSTRAP_NOT_SPECIFIED), MainObservable.UI_ACTIONS_CHANNEL);
+                                .put("action", UIActions.BOOTSTRAP_NOT_SPECIFIED), MainObservable.UI_ACTIONS_CHANNEL);
                         peerDHT.shutdown();
                         return;
                     } catch (JSONException ex) {
@@ -86,7 +86,7 @@ public class MainLogic implements MainLogicContract {
                 } catch (UnknownHostException e) {
                     try {
                         AppHelper.getObservable().notifyObservers(new JSONObject()
-                                .put("action", MessageActions.NETWORK_ERROR), MainObservable.UI_ACTIONS_CHANNEL);
+                                .put("action", UIActions.NETWORK_ERROR), MainObservable.UI_ACTIONS_CHANNEL);
                         peerDHT.shutdown();
                         return;
                     } catch (JSONException ex) {
@@ -97,7 +97,7 @@ public class MainLogic implements MainLogicContract {
                 if(!discoverExternalAddress()) {
                     try {
                         AppHelper.getObservable().notifyObservers(new JSONObject()
-                                .put("action", MessageActions.PORT_FORWARDING_ERROR), MainObservable.UI_ACTIONS_CHANNEL);
+                                .put("action", UIActions.PORT_FORWARDING_ERROR), MainObservable.UI_ACTIONS_CHANNEL);
                     } catch (JSONException ex) {
                         ex.printStackTrace();
                     }
@@ -106,7 +106,7 @@ public class MainLogic implements MainLogicContract {
                 if(!setupConnectionToRelay()) {
                     try {
                         AppHelper.getObservable().notifyObservers(new JSONObject()
-                                .put("action", MessageActions.RELAY_CONNECTION_ERROR), MainObservable.UI_ACTIONS_CHANNEL);
+                                .put("action", UIActions.RELAY_CONNECTION_ERROR), MainObservable.UI_ACTIONS_CHANNEL);
                         return;
                     } catch (JSONException ex) {
                         ex.printStackTrace();
@@ -116,7 +116,7 @@ public class MainLogic implements MainLogicContract {
                 if(!bootstrapPeer()) {
                     try {
                         AppHelper.getObservable().notifyObservers(new JSONObject()
-                                .put("action", MessageActions.BOOTSTRAP_ERROR), MainObservable.UI_ACTIONS_CHANNEL);
+                                .put("action", UIActions.BOOTSTRAP_ERROR), MainObservable.UI_ACTIONS_CHANNEL);
                         return;
                     } catch (JSONException ex) {
                         ex.printStackTrace();
@@ -125,12 +125,13 @@ public class MainLogic implements MainLogicContract {
 
                 try {
                     AppHelper.getObservable().notifyObservers(new JSONObject()
-                            .put("action", MessageActions.BOOTSTRAP_SUCCESS), MainObservable.UI_ACTIONS_CHANNEL);
+                            .put("action", UIActions.BOOTSTRAP_SUCCESS), MainObservable.UI_ACTIONS_CHANNEL);
                 } catch (JSONException ex) {
                     ex.printStackTrace();
                 }
                 AppHelper.storePeerID(preferences.getString("peerID", null));
                 AppHelper.storePeerDHT(peerDHT);
+                setReceiveHandler();
             } catch (IOException e) {
                 e.printStackTrace();
             }
@@ -179,6 +180,14 @@ public class MainLogic implements MainLogicContract {
         }
     }
 
+    private void setReceiveHandler() {
+        AppHelper.getPeerDHT().peer().objectDataReply((s, r) -> {
+            Log.i(LOG_TAG, "# Incoming message: " + r);
+            AppHelper.getObservable().notifyObservers(new JSONObject((String) r), MainObservable.OTHER_ACTIONS_CHANNEL);
+            return null;
+        });
+    }
+
     @Override
     public void shutdownPeer() {
         peerDHT.shutdown();

app/src/main/java/io/github/chronosx88/influence/models/daos/ChatDao.java

@@ -5,19 +5,19 @@ import java.util.List;
 import androidx.room.Dao;
 import androidx.room.Insert;
 import androidx.room.Query;
-import io.github.chronosx88.influence.models.roomEntities.ChatModel;
+import io.github.chronosx88.influence.models.roomEntities.ChatEntity;
 
 @Dao
 public interface ChatDao {
     @Insert
-    void addChat(ChatModel chatModel);
+    void addChat(ChatEntity chatEntity);
 
     @Query("DELETE FROM chats WHERE id = :chatID")
     void deleteChat(String chatID);
 
     @Query("SELECT * FROM chats")
-    List<ChatModel> getAllChats();
+    List<ChatEntity> getAllChats();
 
     @Query("SELECT * FROM chats WHERE id = :chatID")
-    List<ChatModel> getChatByID(String chatID);
+    List<ChatEntity> getChatByID(String chatID);
 }

app/src/main/java/io/github/chronosx88/influence/models/daos/MessageDao.java

@@ -5,12 +5,12 @@ import java.util.List;
 import androidx.room.Dao;
 import androidx.room.Insert;
 import androidx.room.Query;
-import io.github.chronosx88.influence.models.roomEntities.MessageModel;
+import io.github.chronosx88.influence.models.roomEntities.MessageEntity;
 
 @Dao
 public interface MessageDao {
     @Insert
-    void insertMessage(MessageModel chatModel);
+    void insertMessage(MessageEntity chatModel);
 
     @Query("DELETE FROM messages WHERE id = :msgID")
     void deleteMessage(String msgID);
@@ -19,8 +19,8 @@ public interface MessageDao {
     void deleteMessagesByChatID(String chatID);
 
     @Query("SELECT * FROM messages WHERE chatID = :chatID")
-    List<MessageModel> getMessagesByChatID(String chatID);
+    List<MessageEntity> getMessagesByChatID(String chatID);
 
     @Query("SELECT * FROM messages WHERE id = :id")
-    List<MessageModel> getMessageByID(String id);
+    List<MessageEntity> getMessageByID(String id);
 }

app/src/main/java/io/github/chronosx88/influence/models/roomEntities/ChatEntity.java

@@ -0,0 +1,30 @@
+package io.github.chronosx88.influence.models.roomEntities;
+
+import androidx.room.ColumnInfo;
+import androidx.room.Entity;
+import androidx.room.PrimaryKey;
+
+@Entity(tableName = "chats")
+public class ChatEntity {
+    @PrimaryKey String id;
+    @ColumnInfo  String name;
+    @ColumnInfo String keyPairID;
+
+    public ChatEntity(String id, String name, String keyPairID) {
+        this.id = id;
+        this.name = name;
+        this.keyPairID = keyPairID;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public String getKeyPairID() {
+        return keyPairID;
+    }
+
+    public String getName() {
+        return name;
+    }
+}

app/src/main/java/io/github/chronosx88/influence/models/roomEntities/ChatModel.java

@@ -1,11 +0,0 @@
-package io.github.chronosx88.influence.models.roomEntities;
-
-import androidx.room.Entity;
-import androidx.room.PrimaryKey;
-
-@Entity(tableName = "chats")
-public class ChatModel {
-    @PrimaryKey String id;
-    String name;
-    String keyPairID;
-}

app/src/main/java/io/github/chronosx88/influence/models/roomEntities/MessageEntity.java

@@ -0,0 +1,43 @@
+package io.github.chronosx88.influence.models.roomEntities;
+
+import androidx.annotation.NonNull;
+import androidx.room.ColumnInfo;
+import androidx.room.Entity;
+import androidx.room.PrimaryKey;
+
+@Entity(tableName = "messages")
+public class MessageEntity {
+    @PrimaryKey String id;
+    @ColumnInfo String chatID;
+    @ColumnInfo String sender;
+    @ColumnInfo String text;
+
+    public MessageEntity(String id, String chatID, String sender, String text) {
+        this.id = id;
+        this.chatID = chatID;
+        this.sender = sender;
+        this.text = text;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public String getChatID() {
+        return chatID;
+    }
+
+    public String getSender() {
+        return sender;
+    }
+
+    public String getText() {
+        return text;
+    }
+
+    @NonNull
+    @Override
+    public String toString() {
+        return id + "/" + chatID + "/" + sender + "/" + text;
+    }
+}

app/src/main/java/io/github/chronosx88/influence/models/roomEntities/MessageModel.java

@@ -1,12 +0,0 @@
-package io.github.chronosx88.influence.models.roomEntities;
-
-import androidx.room.Entity;
-import androidx.room.PrimaryKey;
-
-@Entity(tableName = "messages")
-public class MessageModel {
-    @PrimaryKey String id;
-    String chatID;
-    String sender;
-    String text;
-}

app/src/main/java/io/github/chronosx88/influence/presenters/ChatListPresenter.java

@@ -0,0 +1,31 @@
+package io.github.chronosx88.influence.presenters;
+
+import io.github.chronosx88.influence.contracts.chatlist.ChatListLogicContract;
+import io.github.chronosx88.influence.contracts.chatlist.ChatListPresenterContract;
+import io.github.chronosx88.influence.contracts.chatlist.ChatListViewContract;
+import io.github.chronosx88.influence.helpers.ChatListAdapter;
+import io.github.chronosx88.influence.logic.ChatListLogic;
+
+public class ChatListPresenter implements ChatListPresenterContract {
+    private ChatListViewContract view;
+    private ChatListLogicContract logic;
+    private ChatListAdapter chatListAdapter;
+
+    public ChatListPresenter(ChatListViewContract view) {
+        this.view = view;
+        chatListAdapter = new ChatListAdapter();
+        this.view.setRecycleAdapter(chatListAdapter);
+        this.logic = new ChatListLogic();
+    }
+
+    @Override
+    public void updateChatList() {
+        chatListAdapter.setChatList(logic.loadAllChats());
+        chatListAdapter.notifyDataSetChanged();
+    }
+
+    @Override
+    public void openChat(String chatID) {
+        // TODO
+    }
+}

app/src/main/java/io/github/chronosx88/influence/presenters/MainPresenter.java

@@ -1,8 +1,8 @@
 package io.github.chronosx88.influence.presenters;
 
-import io.github.chronosx88.influence.contracts.MainLogicContract;
+import io.github.chronosx88.influence.contracts.main.MainLogicContract;
-import io.github.chronosx88.influence.contracts.MainPresenterContract;
+import io.github.chronosx88.influence.contracts.main.MainPresenterContract;
-import io.github.chronosx88.influence.contracts.MainViewContract;
+import io.github.chronosx88.influence.contracts.main.MainViewContract;
 import io.github.chronosx88.influence.logic.MainLogic;
 
 public class MainPresenter implements MainPresenterContract {

app/src/main/java/io/github/chronosx88/influence/views/MainActivity.java

@@ -15,13 +15,14 @@ import androidx.appcompat.app.AppCompatActivity;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentTransaction;
 import io.github.chronosx88.influence.R;
-import io.github.chronosx88.influence.contracts.MainPresenterContract;
+import io.github.chronosx88.influence.contracts.main.MainPresenterContract;
-import io.github.chronosx88.influence.contracts.MainViewContract;
+import io.github.chronosx88.influence.contracts.main.MainViewContract;
 import io.github.chronosx88.influence.contracts.observer.Observer;
 import io.github.chronosx88.influence.helpers.AppHelper;
-import io.github.chronosx88.influence.helpers.MessageActions;
+import io.github.chronosx88.influence.helpers.UIActions;
+import io.github.chronosx88.influence.observable.MainObservable;
 import io.github.chronosx88.influence.presenters.MainPresenter;
-import io.github.chronosx88.influence.views.fragments.ChatFragment;
+import io.github.chronosx88.influence.views.fragments.ChatListFragment;
 import io.github.chronosx88.influence.views.fragments.SettingsFragment;
 import io.github.chronosx88.influence.views.fragments.StartChatFragment;
 
@@ -39,7 +40,7 @@ public class MainActivity extends AppCompatActivity implements Observer, MainVie
 
             switch (item.getItemId()) {
                 case R.id.action_chats:
-                    selectedFragment = new ChatFragment();
+                    selectedFragment = new ChatListFragment();
                     break;
                 case R.id.action_settings:
                     selectedFragment = new SettingsFragment();
@@ -67,11 +68,11 @@ public class MainActivity extends AppCompatActivity implements Observer, MainVie
 
         getSupportFragmentManager()
                 .beginTransaction()
-                .replace(R.id.main_fragment_container, new ChatFragment())
+                .replace(R.id.main_fragment_container, new ChatListFragment())
                 .commit();
 
         presenter = new MainPresenter(this);
-        AppHelper.getObservable().register(this);
+        AppHelper.getObservable().register(this, MainObservable.UI_ACTIONS_CHANNEL);
 
         progressDialog = new ProgressDialog(MainActivity.this, R.style.AlertDialogTheme);
         progressDialog.setCancelable(false);
@@ -84,48 +85,48 @@ public class MainActivity extends AppCompatActivity implements Observer, MainVie
     protected void onDestroy() {
         super.onDestroy();
         presenter.onDestroy();
-        AppHelper.getObservable().unregister(this);
+        AppHelper.getObservable().unregister(this, MainObservable.UI_ACTIONS_CHANNEL);
     }
 
     @Override
     public void handleEvent(JSONObject object) {
         try {
             switch ((int) object.get("action")) {
-                case MessageActions.BOOTSTRAP_NOT_SPECIFIED: {
+                case UIActions.BOOTSTRAP_NOT_SPECIFIED: {
                     runOnUiThread(() -> {
                         progressDialog.dismiss();
                         Toast.makeText(this, "Bootstrap-нода не указана. Прерываю подключение к сети...", Toast.LENGTH_LONG).show();
                     });
                     break;
                 }
-                case MessageActions.NETWORK_ERROR: {
+                case UIActions.NETWORK_ERROR: {
                     runOnUiThread(() -> {
                         progressDialog.dismiss();
                         Toast.makeText(this, "Ошибка сети. Возможно, нода недоступна, или у вас отсутствует Интернет.", Toast.LENGTH_LONG).show();
                     });
                     break;
                 }
-                case MessageActions.BOOTSTRAP_SUCCESS: {
+                case UIActions.BOOTSTRAP_SUCCESS: {
                     runOnUiThread(() -> {
                         progressDialog.dismiss();
                         Toast.makeText(this, "Нода успешно запущена!", Toast.LENGTH_LONG).show();
                     });
                     break;
                 }
-                case MessageActions.PORT_FORWARDING_ERROR: {
+                case UIActions.PORT_FORWARDING_ERROR: {
                     runOnUiThread(() -> {
                         Toast.makeText(this, "Проблемы с пробросом портов. Возможно, у вас не настроен uPnP.", Toast.LENGTH_LONG).show();
                     });
                     break;
                 }
-                case MessageActions.BOOTSTRAP_ERROR: {
+                case UIActions.BOOTSTRAP_ERROR: {
                     runOnUiThread(() -> {
                         progressDialog.dismiss();
                         Toast.makeText(this, "Не удалось подключиться к бутстрап-ноде.", Toast.LENGTH_LONG).show();
                     });
                     break;
                 }
-                case MessageActions.RELAY_CONNECTION_ERROR: {
+                case UIActions.RELAY_CONNECTION_ERROR: {
                     runOnUiThread(() -> {
                         progressDialog.dismiss();
                         Toast.makeText(this, "Не удалось подключиться к relay-ноде.", Toast.LENGTH_LONG).show();

app/src/main/java/io/github/chronosx88/influence/views/fragments/ChatFragment.java

@@ -1,22 +0,0 @@
-package io.github.chronosx88.influence.views.fragments;
-
-import android.os.Bundle;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-
-import androidx.fragment.app.Fragment;
-import io.github.chronosx88.influence.R;
-
-public class ChatFragment extends Fragment {
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-    }
-
-    @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container,
-                             Bundle savedInstanceState) {
-        return inflater.inflate(R.layout.chat_fragment, container, false);
-    }
-}

app/src/main/java/io/github/chronosx88/influence/views/fragments/ChatListFragment.java

@@ -0,0 +1,72 @@
+package io.github.chronosx88.influence.views.fragments;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.RecyclerView;
+import io.github.chronosx88.influence.R;
+import io.github.chronosx88.influence.contracts.chatlist.ChatListPresenterContract;
+import io.github.chronosx88.influence.contracts.chatlist.ChatListViewContract;
+import io.github.chronosx88.influence.contracts.observer.Observer;
+import io.github.chronosx88.influence.helpers.AppHelper;
+import io.github.chronosx88.influence.helpers.ChatListAdapter;
+import io.github.chronosx88.influence.helpers.UIActions;
+import io.github.chronosx88.influence.observable.MainObservable;
+import io.github.chronosx88.influence.presenters.ChatListPresenter;
+
+public class ChatListFragment extends Fragment implements ChatListViewContract, Observer {
+    private ChatListPresenterContract presenter;
+    private RecyclerView chatList;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        presenter = new ChatListPresenter(this);
+        AppHelper.getObservable().register(this, MainObservable.UI_ACTIONS_CHANNEL);
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        return inflater.inflate(R.layout.chatlist_fragment, container, false);
+    }
+
+    @Override
+    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+        chatList = view.findViewById(R.id.chatlist_container);
+        presenter.updateChatList();
+    }
+
+    @Override
+    public void setRecycleAdapter(ChatListAdapter adapter) {
+        chatList.setAdapter(adapter);
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        presenter.updateChatList();
+    }
+
+    @Override
+    public void handleEvent(JSONObject object) {
+        try {
+            switch (object.getInt("action")) {
+                case UIActions.NEW_CHAT: {
+                    presenter.updateChatList();
+                }
+            }
+        } catch (JSONException e) {
+            e.printStackTrace();
+        }
+    }
+}

app/src/main/java/io/github/chronosx88/influence/views/fragments/StartChatFragment.java

@@ -5,6 +5,8 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.fragment.app.Fragment;
 import io.github.chronosx88.influence.R;
 
@@ -19,4 +21,10 @@ public class StartChatFragment extends Fragment {
                              Bundle savedInstanceState) {
         return inflater.inflate(R.layout.start_chat_fragment, container, false);
     }
+
+    @Override
+    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+        // TODO
+    }
 }

app/src/main/res/layout/chat_item.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="horizontal"
+    android:layout_width="match_parent"
+    android:layout_height="55dp"
+    android:gravity="center_vertical"
+    android:background="?android:selectableItemBackground">
+
+    <TextView
+        android:id="@+id/chat_name"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="null"
+        android:textSize="19sp"
+        android:layout_marginStart="15dp"
+        android:textColor="@android:color/black"/>
+
+</LinearLayout>

app/src/main/res/layout/chatlist_fragment.xml

@@ -3,11 +3,8 @@
     android:orientation="vertical"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
-    <TextView
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/chatlist_container"
         android:layout_width="match_parent"
-        android:layout_height="match_parent"
+        android:layout_height="match_parent"/>
-        android:layout_gravity="center"
-        android:gravity="center"
-        android:text="Temporary placeholder #1"
-        android:textSize="34sp"/>
 </LinearLayout>

app/src/main/res/layout/start_chat_fragment.xml

@@ -1,14 +1,18 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:orientation="vertical"
+    android:gravity="center"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
-    <TextView
+
-        android:layout_width="match_parent"
+    <EditText
-        android:layout_height="match_parent"
+        android:layout_width="346dp"
+        android:layout_height="wrap_content"
         android:layout_gravity="center"
-        android:gravity="center"
+        android:hint="Peer ID"/>
-        android:text="Temporary placeholder #3"
+    <Button
-        android:textSize="34sp"/>
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Создать чат"/>
 
 </LinearLayout>