add italic/underline button with icons for different screen res

Change-Id: Ib158f32af7ef8d65d4ddd822839b260161a74343

android/experimental/LOAndroid3/res/menu/main.xml

@@ -6,7 +6,19 @@
 
     <item android:id="@+id/action_bold"
           android:title="@string/action_bold"
-          android:icon="@drawable/ic_format_bold_grey600_24dp"
+          android:icon="@drawable/action_bold"
+          android:orderInCategory="100"
+          app:showAsAction="always"/>
+
+    <item android:id="@+id/action_italic"
+          android:title="@string/action_italic"
+          android:icon="@drawable/action_italic"
+          android:orderInCategory="100"
+          app:showAsAction="always"/>
+
+    <item android:id="@+id/action_underline"
+          android:title="@string/action_underline"
+          android:icon="@drawable/action_underline"
           android:orderInCategory="100"
           app:showAsAction="always"/>
 

android/experimental/LOAndroid3/res/values/strings.xml

@@ -35,6 +35,8 @@
     <string name="local_documents">Local documents</string>
     <string name="local_file_system">Local file system</string>
     <string name="action_bold">Bold</string>
+    <string name="action_underline">Underline</string>
+    <string name="action_italic">Italic</string>
     <string name="action_keyboard">Show keyboard</string>
 
 </resources>

android/experimental/LOAndroid3/src/java/org/libreoffice/LibreOfficeMainActivity.java

@@ -78,6 +78,12 @@ public class LibreOfficeMainActivity extends ActionBarActivity {
             case R.id.action_bold:
                 LOKitShell.sendEvent(new LOEvent(LOEvent.UNO_COMMAND, ".uno:Bold"));
                 return true;
+            case R.id.action_italic:
+                LOKitShell.sendEvent(new LOEvent(LOEvent.UNO_COMMAND, ".uno:Italic"));
+                return true;
+            case R.id.action_underline:
+                LOKitShell.sendEvent(new LOEvent(LOEvent.UNO_COMMAND, ".uno:Underline"));
+                return true;
             case R.id.action_keyboard:
                 showSoftKeyboard();
                 break;