Add onCountdownOver prop.

Author: ljunb

README.md

@@ -166,6 +166,7 @@ countingTitleStyle | object | Yes | none | custom title style when counting down
 timeFontStyle      | FontPropTypes | Yes | none | font style of time
 shouldStartCountdown | function | Yes         | return true      | before start countdown, you can use this function to handle some business logic, return true to allow countdown, otherwise return false
 onNetworkFailed   | function | Yes | none | invoke when the network is failed, so the countdown timer will be invalid in this situation, maybe you will use it to show some message for users
+onCountdownOver   | function | Yes | none | invoke when the countdown over
 
 
 ## Methods

index.js

@@ -58,6 +58,7 @@ export default class Countdown extends PureComponent {
     timeFontStyle: PropTypes.oneOfType([PropTypes.object, PropTypes.number, PropTypes.array]),
     shouldStartCountdown: PropTypes.func,
     onNetworkFailed: PropTypes.func,
+    onCountdownOver: PropTypes.func,
   };
 
   static defaultProps = {
@@ -104,6 +105,9 @@ export default class Countdown extends PureComponent {
   }
 
   stopCountdown = () => {
+    const { onCountdownOver } = this.props;
+    onCountdownOver && onCountdownOver();
+
     this.setState({
       status: CountdownStatus.Over,
       second: this.props.time,
@@ -121,10 +125,12 @@ export default class Countdown extends PureComponent {
   };
 
   turnsOnTimer = () => {
+    const { onCountdownOver } = this.props;
     const now = new Date();
     const diff = Math.round((now - this.recodTime) / 1000);
     // timer should be over
     if (this.state.second - diff <= 0) {
+      onCountdownOver && onCountdownOver();
       this.setState({ status: CountdownStatus.Over, second: this.props.time });
     } else {
       this.setState({
@@ -165,12 +171,14 @@ export default class Countdown extends PureComponent {
   };
 
   startTimer = () => {
-    const { time } = this.props;
+    const { time, onCountdownOver } = this.props;
 
     this.timer = setInterval(() => {
       let nextSecond = this.state.second - 1;
       // countdown over
       if (nextSecond === 0) {
+        onCountdownOver && onCountdownOver();
+        
         this.clearTimer();
         this.setState({ status: CountdownStatus.Over, second: time });
         return;

package.json

@@ -1,6 +1,6 @@
 {
   "name": "rn-countdown",
-  "version": "0.4.0",
+  "version": "0.4.1",
   "description": "A smart countdown component for react-native apps. You may use it to handle different status when request a verification code.",
   "main": "index.js",
   "scripts": {