Added reset & fix memory leak when unmount parent

README.md

@@ -29,6 +29,22 @@ import Counter from 'react-native-counter';
 />
 ```
 
+# Reset from parent view
+
+```javascript
+import Counter from 'react-native-counter';
+
+<Counter
+ ...
+ ref={counter => this.counter = counter}
+/>
+
+  // Example method restarting the counter
+  resetCounter() {
+    this.counter.reset();
+  }
+```
+
 The easing prop is a string corresponding to one of any function from [eases](https://github.com/mattdesl/eases).
 
 # License

src/Counter.js

@@ -25,10 +25,23 @@ export default class Counter extends Component {
 
   componentDidMount() {
     this.startTime = Date.now();
+    this.umount = false
     requestAnimationFrame(this.animate.bind(this));
   }
 
+  componentWillUnmount() {
+    this.umount = true
+  }
+
+  reset() {
+      this.startTime = Date.now();
+      this.stop = false
+      requestAnimationFrame(this.animate.bind(this));
+  }
+
   animate() {
+    if(this.umount) return;
+
     const { onComplete } = this.props;
 
     if (this.stop) {