Display a notice when the user does not belong to any group.

app/src/main/java/org/communiquons/android/comunic/client/ui/fragments/groups/UserGroupsFragment.java

@@ -12,6 +12,7 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ProgressBar;
+import android.widget.TextView;
 import android.widget.Toast;
 
 import org.communiquons.android.comunic.client.R;
@@ -34,6 +35,7 @@ public class UserGroupsFragment extends AbstractGroupFragment {
      */
     private ProgressBar mProgressBar;
     private RecyclerView mGroupsView;
+    private TextView mNoGroupNotice;
 
     /**
      * User groups
@@ -58,8 +60,10 @@ public class UserGroupsFragment extends AbstractGroupFragment {
         //Get views
         mGroupsView = view.findViewById(R.id.groups_list);
         mProgressBar = view.findViewById(R.id.progressBar);
+        mNoGroupNotice = view.findViewById(R.id.noGroupNotice);
 
-        setProgressBarVisiblity(true);
+        setProgressBarVisibility(true);
+        setNoGroupNoticeVisibility(false);
     }
 
     @Override
@@ -77,7 +81,7 @@ public class UserGroupsFragment extends AbstractGroupFragment {
      */
     private void getGroupsList(){
 
-        setProgressBarVisiblity(true);
+        setProgressBarVisibility(true);
 
         getTasksManager().unsetSpecificTasks(GetUserGroupsTask.class);
         GetUserGroupsTask getUserGroupsTask = new GetUserGroupsTask(getActivity());
@@ -98,7 +102,7 @@ public class UserGroupsFragment extends AbstractGroupFragment {
      */
     private void getGroupsListCallback(@Nullable ArrayMap<Integer, GroupInfo> list){
 
-        setProgressBarVisiblity(false);
+        setProgressBarVisibility(false);
 
         if(list == null){
             Toast.makeText(getActivity(), R.string.err_get_user_groups, Toast.LENGTH_SHORT).show();
@@ -114,7 +118,7 @@ public class UserGroupsFragment extends AbstractGroupFragment {
      */
     private void displayGroupsList(){
 
-        setProgressBarVisiblity(false);
+        setProgressBarVisibility(false);
 
         mGroupsAdapter = new GroupsListAdapter(getActivity());
         mGroupsAdapter.setList(new ArrayList<>(mGroupsList.values()));
@@ -124,14 +128,24 @@ public class UserGroupsFragment extends AbstractGroupFragment {
         mGroupsView.addItemDecoration(new DividerItemDecoration(getActivity(),
                 DividerItemDecoration.VERTICAL));
 
+        setNoGroupNoticeVisibility(mGroupsList.size() == 0);
     }
 
     /**
      * Update (set) progressbar visibility
      *
-     * @param visible Visibility level of the progress bar
+     * @param visible Visibility of the progress bar
      */
-    private void setProgressBarVisiblity(boolean visible){
+    private void setProgressBarVisibility(boolean visible){
         mProgressBar.setVisibility(visible ? View.VISIBLE : View.GONE);
     }
+
+    /**
+     * Update no group notice visibility
+     *
+     * @param visible The visibility of the notice
+     */
+    private void setNoGroupNoticeVisibility(boolean visible){
+        mNoGroupNotice.setVisibility(visible ? View.VISIBLE : View.GONE);
+    }
 }

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

@@ -30,4 +30,17 @@
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
+
+    <TextView
+        android:id="@+id/noGroupNotice"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="8dp"
+        android:layout_marginEnd="8dp"
+        android:layout_marginStart="8dp"
+        android:text="@string/notice_no_group"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
 </android.support.constraint.ConstraintLayout>

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

@@ -297,4 +297,7 @@
     <string name="action_send_survey_response">Répondre</string>
     <string name="err_cancel_response">Une erreur a survenue lors de l\'annulation de votre réponse au sondage !</string>
     <string name="err_respond_survey">Une erreur a survenue lors de l\'envoi de votre réponse au sondage !</string>
+    <string name="action_user_groups">Mes groupes</string>
+    <string name="err_get_user_groups">Une erreur a survenu lors de la récupération de vos groupes !</string>
+    <string name="notice_no_group">Vous n\'avez aucun groupe pour le moment.</string>
 </resources>

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

@@ -298,4 +298,5 @@
     <string name="err_respond_survey">Could not send response to the server!</string>
     <string name="action_user_groups">My groups</string>
     <string name="err_get_user_groups">Could not get the groups of the user!</string>
+    <string name="notice_no_group">You do not have any group yet.</string>
 </resources>