Convert HomeFragment, RoomContract and RoomPresenter to Kotlin

app/src/main/java/chat/rocket/android/fragment/chatroom/HomeFragment.java

-package chat.rocket.android.fragment.chatroom;
-
-import chat.rocket.android.R;
-
-public class HomeFragment extends AbstractChatRoomFragment {
-
-  public HomeFragment() {}
-
-  @Override
-  protected int getLayout() {
-    return R.layout.fragment_home;
-  }
-
-  @Override
-  protected void onSetupView() {
-    setToolbarTitle(getText(R.string.home_fragment_title));
-  }
-}
\ No newline at end of file

app/src/main/java/chat/rocket/android/fragment/chatroom/HomeFragment.kt

+package chat.rocket.android.fragment.chatroom
+
+import chat.rocket.android.R
+
+class HomeFragment : AbstractChatRoomFragment() {
+
+    override fun getLayout(): Int {
+        return R.layout.fragment_home
+    }
+
+    override fun onSetupView() {
+        setToolbarTitle(getText(R.string.home_fragment_title))
+    }
+}
\ No newline at end of file

app/src/main/java/chat/rocket/android/fragment/chatroom/RoomContract.java

-package chat.rocket.android.fragment.chatroom;
-
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
-
-import java.util.List;
-
-import chat.rocket.android.shared.BaseContract;
-import chat.rocket.android.widget.AbsoluteUrl;
-import chat.rocket.core.models.Message;
-import chat.rocket.core.models.Room;
-import chat.rocket.core.models.User;
-
-public interface RoomContract {
-
-    interface View extends BaseContract.View {
-
-        void setupWith(RocketChatAbsoluteUrl rocketChatAbsoluteUrl);
-
-        void render(Room room);
-
-        void showUserStatus(User user);
-
-        void updateHistoryState(boolean hasNext, boolean isLoaded);
-
-        void onMessageSendSuccessfully();
-
-        void disableMessageInput();
-
-        void enableMessageInput();
-
-        void showUnreadCount(int count);
-
-        void showMessages(List<Message> messages);
-
-        void showMessageSendFailure(Message message);
-
-        void showMessageDeleteFailure(Message message);
-
-        void autoloadImages();
-
-        void manualLoadImages();
-
-        void onReply(AbsoluteUrl absoluteUrl, String markdown, Message message);
-
-        void onCopy(String message);
-
-        void showMessageActions(Message message);
-    }
-
-    interface Presenter extends BaseContract.Presenter<View> {
-
-        void loadMessages();
-
-        void loadMoreMessages();
-
-        void onMessageSelected(@Nullable Message message);
-
-        void onMessageTap(@Nullable Message message);
-
-        void sendMessage(String messageText);
-
-        void resendMessage(@NonNull Message message);
-
-        void updateMessage(@NonNull Message message, String content);
-
-        void deleteMessage(@NonNull Message message);
-
-        void onUnreadCount();
-
-        void onMarkAsRead();
-
-        void refreshRoom();
-
-        void replyMessage(@NonNull Message message, boolean justQuote);
-
-        void acceptMessageDeleteFailure(Message message);
-
-        void loadMissedMessages();
-    }
-}

app/src/main/java/chat/rocket/android/fragment/chatroom/RoomContract.kt

+package chat.rocket.android.fragment.chatroom
+
+import chat.rocket.android.shared.BaseContract
+import chat.rocket.android.widget.AbsoluteUrl
+import chat.rocket.core.models.Message
+import chat.rocket.core.models.Room
+import chat.rocket.core.models.User
+
+interface RoomContract {
+
+    interface View : BaseContract.View {
+
+        fun setupWith(rocketChatAbsoluteUrl: RocketChatAbsoluteUrl)
+
+        fun render(room: Room)
+
+        fun showUserStatus(user: User)
+
+        fun updateHistoryState(hasNext: Boolean, isLoaded: Boolean)
+
+        fun onMessageSendSuccessfully()
+
+        fun disableMessageInput()
+
+        fun enableMessageInput()
+
+        fun showUnreadCount(count: Int)
+
+        fun showMessages(messages: List<Message>)
+
+        fun showMessageSendFailure(message: Message)
+
+        fun showMessageDeleteFailure(message: Message)
+
+        fun autoloadImages()
+
+        fun manualLoadImages()
+
+        fun onReply(absoluteUrl: AbsoluteUrl, markdown: String, message: Message)
+
+        fun onCopy(message: String)
+
+        fun showMessageActions(message: Message)
+    }
+
+    interface Presenter : BaseContract.Presenter<View> {
+
+        fun loadMessages()
+
+        fun loadMoreMessages()
+
+        fun onMessageSelected(message: Message?)
+
+        fun onMessageTap(message: Message?)
+
+        fun sendMessage(messageText: String)
+
+        fun resendMessage(message: Message)
+
+        fun updateMessage(message: Message, content: String)
+
+        fun deleteMessage(message: Message)
+
+        fun onUnreadCount()
+
+        fun onMarkAsRead()
+
+        fun refreshRoom()
+
+        fun replyMessage(message: Message, justQuote: Boolean)
+
+        fun acceptMessageDeleteFailure(message: Message)
+
+        fun loadMissedMessages()
+    }
+}