added settings icon (since it's the only item menu, I took it out)

app/src/main/res/drawable-anydpi/ic_settings.xml

@@ -0,0 +1,11 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="#FFFFFF"
+    android:alpha="0.8">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M19.1,12.9a2.8,2.8 0,0 0,0.1 -0.9,2.8 2.8,0 0,0 -0.1,-0.9l2.1,-1.6a0.7,0.7 0,0 0,0.1 -0.6L19.4,5.5a0.7,0.7 0,0 0,-0.6 -0.2l-2.4,1a6.5,6.5 0,0 0,-1.6 -0.9l-0.4,-2.6a0.5,0.5 0,0 0,-0.5 -0.4H10.1a0.5,0.5 0,0 0,-0.5 0.4L9.3,5.4a5.6,5.6 0,0 0,-1.7 0.9l-2.4,-1a0.4,0.4 0,0 0,-0.5 0.2l-2,3.4c-0.1,0.2 0,0.4 0.2,0.6l2,1.6a2.8,2.8 0,0 0,-0.1 0.9,2.8 2.8,0 0,0 0.1,0.9L2.8,14.5a0.7,0.7 0,0 0,-0.1 0.6l1.9,3.4a0.7,0.7 0,0 0,0.6 0.2l2.4,-1a6.5,6.5 0,0 0,1.6 0.9l0.4,2.6a0.5,0.5 0,0 0,0.5 0.4h3.8a0.5,0.5 0,0 0,0.5 -0.4l0.3,-2.6a5.6,5.6 0,0 0,1.7 -0.9l2.4,1a0.4,0.4 0,0 0,0.5 -0.2l2,-3.4c0.1,-0.2 0,-0.4 -0.2,-0.6ZM12,15.6A3.6,3.6 0,1 1,15.6 12,3.6 3.6,0 0,1 12,15.6Z"/>
+</vector>

app/src/main/res/menu/toolbar_menu.xml

@@ -30,7 +30,8 @@
 
     <item android:id="@+id/action_settings"
         android:title="@string/action_settings"
-        app:showAsAction="never"/>
+        android:icon="@drawable/ic_settings"
+        app:showAsAction="ifRoom"/>
 
 
 </menu>

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

@@ -36,7 +36,7 @@
     <string name="lp">Dernières titres</string>
     <string name="programme">Planning</string>
     <string name="regular_programme">Programme régulier</string>
-    <string name="useAlarmClock">Activer l\alarme</string>
+    <string name="useAlarmClock">Activer l\'alarme</string>
     <string name="setTime">Choisir l\'heure</string>
     <string name="selectDaysOfWeek">Choisir les jours</string>
     <string name="SetSnoozeDuration">Choisir le délai de snooze (minutes)</string>