Merge pull request #30 from ankitpopli1891/master

closes #29, adds attr to modify center button icon, update will be as soon as possible. Thanks!

Author: armcha

spacelib/src/main/java/com/luseen/spacenavigation/SpaceNavigationView.java

@@ -173,6 +173,7 @@ private void init(AttributeSet attrs) {
             centreButtonColor = typedArray.getColor(com.luseen.spacenavigation.R.styleable.SpaceNavigationView_centre_button_color, resources.getColor(com.luseen.spacenavigation.R.color.centre_button_color));
             activeSpaceItemColor = typedArray.getColor(com.luseen.spacenavigation.R.styleable.SpaceNavigationView_active_item_color, resources.getColor(com.luseen.spacenavigation.R.color.space_white));
             inActiveSpaceItemColor = typedArray.getColor(com.luseen.spacenavigation.R.styleable.SpaceNavigationView_inactive_item_color, resources.getColor(com.luseen.spacenavigation.R.color.default_inactive_item_color));
+            centreButtonIcon = typedArray.getResourceId(R.styleable.SpaceNavigationView_centre_button_icon, R.drawable.near_me);
             centreButtonIconColor = typedArray.getColor(R.styleable.SpaceNavigationView_centre_button_icon_color, resources.getColor(R.color.space_white));
 
             typedArray.recycle();
@@ -328,6 +329,7 @@ public boolean onLongClick(View v) {
          */
         LayoutParams centreContentParams = new LayoutParams(centreContentWight, spaceNavigationHeight);
         centreContentParams.addRule(RelativeLayout.CENTER_HORIZONTAL);
+        centreContentParams.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM);
 
         /**
          * Centre Background View content size and position

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

@@ -9,6 +9,7 @@
         <attr name="centre_button_color" format="color" />
         <attr name="active_item_color" format="color" />
         <attr name="inactive_item_color" format="color" />
+        <attr name="centre_button_icon" format="reference" />
         <attr name="centre_button_icon_color" format="color" />
     </declare-styleable>