Check before deleting listeners

nabn · May 11, 2017 · 83b34d2 · 83b34d2
1 parent 0308af5
commit 83b34d2
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/index.js b/index.js
@@ -36,8 +36,10 @@ class Tabs extends Component {
     }
 
     componentWillUnmount(){
+      if(this.keyboardDidHideListener) {
         this.keyboardDidShowListener.remove();
         this.keyboardDidHideListener.remove();
+      }
     }
 
     keyboardWillShow = (e) => {