Added hint text for message EditText.

android/src/main/res/layout/fragment_chat.xml

@@ -57,6 +57,8 @@
             android:layout_width="0dp"
             android:layout_height="wrap_content"
             android:layout_weight="1"
+            android:hint="@string/message_hint"
+            android:textColorHint="#cccccc"
             android:imeOptions="actionDone"
             android:inputType="textMultiLine|textCapSentences|textAutoCorrect"/>
 

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

@@ -42,6 +42,11 @@
     <!-- Menu item to close app and stop service -->
     <string name="exit">Exit</string>
 
+    <!-- ChatFragment -->
+
+    <!-- Hint text for the message EditText -->
+    <string name="message_hint">Type a message</string>
+
 
     <!-- ConnectionsActivity -->