Add xml attribute to set closeOnTouchOutside properties

library/src/main/java/com/github/clans/fab/FloatingActionMenu.java

@@ -158,6 +158,7 @@ private void init(Context context, AttributeSet attrs) {
         mLabelsStyle = attr.getResourceId(R.styleable.FloatingActionMenu_menu_labels_style, 0);
         mOpenDirection = attr.getInt(R.styleable.FloatingActionMenu_menu_openDirection, OPEN_UP);
         mBackgroundColor = attr.getColor(R.styleable.FloatingActionMenu_menu_backgroundColor, Color.TRANSPARENT);
+        mIsSetClosedOnTouchOutside = attr.getBoolean(R.styleable.FloatingActionMenu_menu_closeOnTouchOutside, false);
 
         if (attr.hasValue(R.styleable.FloatingActionMenu_menu_fab_label)) {
             mUsingMenuLabel = true;

library/src/main/res/values/attrs.xml

@@ -81,6 +81,7 @@
         <attr name="menu_fab_label" format="string" />
         <attr name="menu_fab_show_animation" format="reference" />
         <attr name="menu_fab_hide_animation" format="reference" />
+        <attr name="menu_closeOnTouchOutside" format="boolean" />
     </declare-styleable>
 
 </resources>

sample/src/main/res/layout/floating_menus_activity.xml

@@ -260,7 +260,8 @@
         fab:menu_labels_ellipsize="end"
         fab:menu_labels_singleLine="true"
         fab:menu_backgroundColor="#ccffffff"
-        fab:menu_labels_position="right">
+        fab:menu_labels_position="right"
+        fab:menu_closeOnTouchOutside="true">
 
         <com.github.clans.fab.FloatingActionButton
             android:layout_width="wrap_content"