diff --git a/README.md b/README.md
index d139081..cfa0eee 100644
--- a/README.md
+++ b/README.md
@@ -16,8 +16,6 @@
 [download-url]: https://npmjs.org/package/react-native-ping
 [license-image]: https://img.shields.io/npm/l/react-native-ping.svg
 
-
-
 ## Getting started
 
 `$ npm install react-native-ping --save`
@@ -60,8 +58,54 @@ or
 ## Usage
 
 ```javascript
-import RNReactNativePing from 'react-native-ping';
+import Ping from 'react-native-ping';
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    justifyContent: 'center',
+    alignItems: 'center',
+    backgroundColor: '#F5FCFF'
+  },
+  buttonText: {
+    fontSize: 24,
+    padding: 32
+  },
+  msText: {
+    fontSize: 24,
+    padding: 32
+  }
+});
 
 // TODO: What to do with the module?
-RNReactNativePing;
+export default class App extends Component {
+  state = {
+    ipAddress: '114.114.114.114',
+    ms: ''
+  };
+  onPressButton = async () => {
+    const ms = await Ping.start('114.114.114.114');
+    this.setState({ ms });
+  };
+  render() {
+    return (
+      <View style={styles.container}>
+        <TextInput
+          style={{
+            height: 40,
+            borderColor: 'gray',
+            borderWidth: 1,
+            alignSelf: 'stretch'
+          }}
+          onChangeText={ipAddress => this.setState({ ipAddress })}
+          value={this.state.ipAddress}
+        />
+        <TouchableOpacity onPress={this.onPressButton}>
+          <Text style={styles.buttonText}>Ping</Text>
+        </TouchableOpacity>
+        <Text style={styles.msText}>ms:{this.state.ms}</Text>
+      </View>
+    );
+  }
+}
 ```
diff --git a/example/App.js b/example/App.js
index dc073d6..7a32319 100644
--- a/example/App.js
+++ b/example/App.js
@@ -52,7 +52,7 @@ export default class App extends Component {
             borderWidth: 1,
             alignSelf: 'stretch'
           }}
-          onChangeText={text => this.setState({ ipAddress })}
+          onChangeText={ipAddress => this.setState({ ipAddress })}
           value={this.state.ipAddress}
         />
         <TouchableOpacity onPress={this.onPressButton}>
diff --git a/package.json b/package.json
index bec8c98..3ba7959 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-native-ping",
-  "version": "1.0.3",
+  "version": "1.0.4",
   "description": "Highly accurate ICMP Ping controller for React Native",
   "main": "index.js",
   "scripts": {