Merge pull request #18 from jjhesk/patch-1

Update DragTopLayout.java

Author: 988uhuj

library/src/main/java/github/chenupt/dragtoplayout/DragTopLayout.java

@@ -405,7 +405,11 @@ private void resetDispatchingContentView() {
     //================
     // public
     //================
-
+    
+    public PanelState getState() {
+        return panelState;
+    }
+    
     public void openTopView(boolean anim) {
         // Before created
         if (dragContentView.getHeight() == 0) {