Friends List is displayed

app/src/main/java/org/communiquons/android/comunic/client/data/friendsList/FriendUser.java

@@ -0,0 +1,69 @@
+package org.communiquons.android.comunic.client.data.friendsList;
+
+import org.communiquons.android.comunic.client.data.UsersInfo.UserInfo;
+
+/**
+ * This class contains information about a friend but also about user himself
+ *
+ * @author Pierre Hubert
+ * Created by pierre on 11/15/17.
+ */
+
+public class FriendUser {
+
+    /**
+     * Friendship informations
+     */
+    private Friend friend;
+
+    /**
+     * Informations about the user
+     */
+    private UserInfo userInfo;
+
+    /**
+     * Create a FriendUser object
+     *
+     * @param friend Informations about the friend
+     */
+    public FriendUser(Friend friend){
+        this.friend = friend;
+    }
+
+    /**
+     * Set a new user informations
+     *
+     * @param userInfo Informations about the user
+     */
+    public void setUserInfo(UserInfo userInfo) {
+        this.userInfo = userInfo;
+    }
+
+    /**
+     * Get informations about the user
+     *
+     * @return User informations
+     */
+    public UserInfo getUserInfo() {
+        return userInfo;
+    }
+
+
+    /**
+     * Get informations about the friendship
+     *
+     * @return Informations about the friendship
+     */
+    public Friend getFriend() {
+        return friend;
+    }
+
+    /**
+     * Set friendship informations
+     *
+     * @param friend New friendship informations
+     */
+    public void setFriend(Friend friend) {
+        this.friend = friend;
+    }
+}

app/src/main/java/org/communiquons/android/comunic/client/data/friendsList/FriendsAdapter.java

@@ -0,0 +1,64 @@
+package org.communiquons.android.comunic.client.data.friendsList;
+
+import android.app.Activity;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import org.communiquons.android.comunic.client.R;
+import org.communiquons.android.comunic.client.data.ImageLoadTask;
+
+import java.util.ArrayList;
+
+/**
+ * Adapter that render the list of friend on the friends list fragment
+ *
+ * @author Pierre Hubert
+ * Created by pierre on 11/15/17.
+ */
+
+public class FriendsAdapter extends ArrayAdapter<FriendUser> {
+
+
+    /**
+     * Class constructor
+     *
+     * @param context The context of execution of the application
+     * @param friendsList The list of friends to display (with user information)
+     */
+    public FriendsAdapter(Activity context, ArrayList<FriendUser> friendsList){
+        super(context, 0, friendsList);
+    }
+
+    @NonNull
+    @Override
+    public View getView(int position, @Nullable View convertView, @NonNull ViewGroup parent) {
+        View listItemView = convertView;
+
+        //Check if the view has to be created
+        if(listItemView == null){
+            listItemView = LayoutInflater.from(getContext())
+                    .inflate(R.layout.fragment_friends_list_friend_item, parent, false);
+        }
+
+        //Get friend information
+        FriendUser friendUser = getItem(position);
+
+        //Update user account image
+        ImageView user_image = listItemView.findViewById(R.id.fragment_friendslist_item_accountimage);
+        new ImageLoadTask(getContext(), friendUser.getUserInfo().getAcountImageURL(), user_image)
+            .execute();
+
+        //Update user name
+        TextView user_name = listItemView.findViewById(R.id.fragment_friendslist_item_fullname);
+        user_name.setText(friendUser.getUserInfo().getFullName());
+
+        return listItemView;
+    }
+
+}

app/src/main/java/org/communiquons/android/comunic/client/data/friendsList/FriendsUtils.java

@@ -0,0 +1,61 @@
+package org.communiquons.android.comunic.client.data.friendsList;
+
+import android.util.ArrayMap;
+
+import org.communiquons.android.comunic.client.data.UsersInfo.UserInfo;
+
+import java.util.ArrayList;
+
+/**
+ * Friends utilities
+ *
+ * @author Pierre Hubert
+ * Created by pierre on 11/15/17.
+ */
+
+public class FriendsUtils {
+
+    /**
+     * Given a friend list, it will return the IDs of the friends
+     *
+     * @param friendsList the friends list to process
+     * @return The list of the id of the friend
+     */
+    public static ArrayList<Integer> getFriendsIDs(ArrayList<Friend> friendsList){
+        ArrayList<Integer> IDs = new ArrayList<>();
+
+        for(Friend friend : friendsList)
+            IDs.add(friend.getId());
+
+        return IDs;
+    }
+
+    /**
+     * Merge a friends user list with a user info list, return the result by a FriendUser list
+     *
+     * @param friendsList The list of friend of the user
+     * @param userInfos Informations about the user
+     * @return The result of the operation
+     */
+    public static ArrayList<FriendUser> merge_friends_user_infos_list(ArrayList<Friend> friendsList,
+                                                        ArrayMap<Integer, UserInfo> userInfos){
+
+        ArrayList<FriendUser> list = new ArrayList<>();
+
+        //Process the list
+        for(Friend friend : friendsList){
+
+            UserInfo userInfo;
+
+            if((userInfo = userInfos.get(friend.getId())) != null){
+                FriendUser item = new FriendUser(friend);
+                item.setUserInfo(userInfo);
+                list.add(item);
+            }
+
+        }
+
+        return list;
+
+    }
+}

app/src/main/java/org/communiquons/android/comunic/client/fragments/FriendsListFragment.java

@@ -1,13 +1,14 @@
 package org.communiquons.android.comunic.client.fragments;
 
 import android.app.Fragment;
+import android.content.Context;
 import android.os.Bundle;
 import android.support.annotation.Nullable;
 import android.util.ArrayMap;
-import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.ListView;
 import android.widget.Toast;
 
 import org.communiquons.android.comunic.client.R;
@@ -15,6 +16,9 @@ import org.communiquons.android.comunic.client.data.DatabaseHelper;
 import org.communiquons.android.comunic.client.data.UsersInfo.GetUsersInfos;
 import org.communiquons.android.comunic.client.data.UsersInfo.UserInfo;
 import org.communiquons.android.comunic.client.data.friendsList.Friend;
+import org.communiquons.android.comunic.client.data.friendsList.FriendUser;
+import org.communiquons.android.comunic.client.data.friendsList.FriendsAdapter;
+import org.communiquons.android.comunic.client.data.friendsList.FriendsUtils;
 import org.communiquons.android.comunic.client.data.friendsList.GetFriendsListTask;
 
 import java.util.ArrayList;
@@ -28,16 +32,38 @@ import java.util.ArrayList;
 
 public class FriendsListFragment extends Fragment {
 
+    /**
+     * The root view of the fragment
+     */
+    View rootView;
+
+    /**
+     * Application context
+     */
+    Context mContext;
+
+    /**
+     * Database helper
+     */
+    DatabaseHelper mDbHelper;
+
     @Nullable
     @Override
     public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
                              Bundle savedInstanceState) {
 
+        //Save application context
+        mContext = getActivity().getApplicationContext();
+
+        //Create database helper
+        mDbHelper = new DatabaseHelper(mContext);
+
         //Retain the fragment
         //setRetainInstance(true);
 
         //Inflate the layout for this fragment
-        return inflater.inflate(R.layout.fragment_friendslist, container, false);
+        rootView = inflater.inflate(R.layout.fragment_friendslist, container, false);
+        return rootView;
 
     }
 
@@ -53,21 +79,78 @@ public class FriendsListFragment extends Fragment {
      * Refresh the friend list
      */
     void refresh_friend_list(){
+
+        //Display loading bar
+        display_progress_bar(true);
+
         new GetFriendsListTask(getActivity().getApplicationContext()){
 
             @Override
             protected void onPostExecute(ArrayList<Friend> friendsList) {
 
-                //Display informations in the console
+                //Remote progress bar
-                for(Friend friend : friendsList){
+                display_progress_bar(false);
-                    Log.v("FriendsListFragment", "Friend: " + friend.getId() + " " +
-                            (friend.isAccepted() ? 1 : 0 ) + " " + (friend.isFollowing() ? 1 : 0) +
-                                    " " + friend.getLast_activity() + " "
-                            );
-                }
 
+                //Check for errors
+                if(friendsList == null){
+                    Toast.makeText(mContext, R.string.fragment_friendslist_err_refresh,
+                            Toast.LENGTH_LONG).show();
+                    return;
+                }
+                else
+                    //Update the friends list
+                    update_friends_list(friendsList);
             }
 
         }.execute();
     }
+
+    /**
+     * Set the the list of friend attached to the list adapter
+     *
+     * @param friendsList The friends list to apply
+     */
+    private void update_friends_list(final ArrayList<Friend> friendsList){
+
+        //Get user informations
+        new GetUsersInfos(mContext, mDbHelper).
+                getMultiple(FriendsUtils.getFriendsIDs(friendsList), new GetUsersInfos.getMultipleUserInfosCallback() {
+                    @Override
+                    public void callback(ArrayMap<Integer, UserInfo> info) {
+                        //Check for errors
+                        if(info == null){
+                            Toast.makeText(mContext, R.string.fragment_friendslist_err_get_userinfos,
+                                    Toast.LENGTH_SHORT).show();
+                            return;
+                        }
+
+                        //Merge the user informations list and friends List into FriendInfo list
+                        ArrayList<FriendUser> friendsUserList = FriendsUtils.merge_friends_user_infos_list(
+                                friendsList,
+                                info
+                        );
+
+                        //Set the adapter
+                        FriendsAdapter friendsAdapter = new FriendsAdapter(getActivity(), friendsUserList);
+                        ListView listView = rootView.findViewById(R.id.fragment_friendslist_listview);
+                        listView.setAdapter(friendsAdapter);
+                    }
+                });
+
+    }
+
+    /**
+     * Hide (or display) progress bar
+     *
+     * @param display Specify whether the loading bar has to be shown or not
+     */
+    private void display_progress_bar(boolean display){
+
+        //Get the view
+        rootView.findViewById(R.id.fragment_friendslist_progressbar).setVisibility(
+                display ? View.VISIBLE : View.GONE
+        );
+
+
+    }
 }

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

@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:orientation="horizontal"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:paddingStart="8dp"
+    android:paddingEnd="8dp">
+
+    <ImageView
+        android:id="@+id/fragment_friendslist_item_accountimage"
+        android:layout_width="@dimen/account_image_default_width"
+        android:layout_height="@dimen/account_image_default_height"
+        android:src="@drawable/default_account_image"
+        android:contentDescription="User account image"
+        android:layout_gravity="center"/>
+
+    <LinearLayout
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        android:paddingStart="8dp"
+        android:paddingEnd="4dp"
+        android:layout_gravity="center"
+        >
+
+        <TextView
+            android:id="@+id/fragment_friendslist_item_fullname"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            tools:text="Full user name"
+            android:textSize="16sp"/>
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            tools:text="Online"
+            android:textColor="@android:color/holo_green_dark"/>
+
+    </LinearLayout>
+
+
+</LinearLayout>

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

@@ -1,11 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:orientation="vertical" android:layout_width="match_parent"
     android:layout_height="match_parent">
 
-    <TextView
+    <!-- Progress bar - when loading the list of friends -->
+    <ProgressBar
+        android:id="@+id/fragment_friendslist_progressbar"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Hello from friends list"/>
+        android:layout_centerHorizontal="true" />
 
-</LinearLayout>
+    <ListView
+        android:id="@+id/fragment_friendslist_listview"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical"
+        android:numColumns="auto_fit" />
+
+</RelativeLayout>

app/src/main/res/values/dimens.xml

@@ -0,0 +1,7 @@
+<resources>
+    <!-- The default size of an account image -->
+    <dimen name="account_image_default_width">64dp</dimen>
+    <dimen name="account_image_default_height">64dp</dimen>
+
+
+</resources>

app/src/main/res/values/strings.xml

@@ -16,4 +16,6 @@
     <string name="popup_signout_cancel_button">Cancel</string>
     <string name="navigation_bottom_friends_item">Friends</string>
     <string name="navigation_bottom_me_item">Me</string>
+    <string name="fragment_friendslist_err_refresh">Couldn\'t refresh friends list !</string>
+    <string name="fragment_friendslist_err_get_userinfos">Couldn\'t get information about your friends!</string>
 </resources>