Add show modal button to SideMenu

example/src/screens/types/Drawer.js

@@ -1,12 +1,26 @@
 import React from 'react';
-import {StyleSheet, View, Text} from 'react-native';
+import {StyleSheet, View, Button} from 'react-native';
 
 class MyClass extends React.Component {
 
+  onShowModal = () => {
+    this.props.navigator.toggleDrawer({
+      side: 'left'
+    });
+    this.props.navigator.showModal({
+      screen: 'example.Types.Modal',
+      title: `Modal`
+    });
+  };
+
   render() {
     return (
       <View style={styles.container}>
-
+        <View style={styles.button}>
+          <Button
+            onPress={this.onShowModal}
+            title="Show Modal"/>
+        </View>
       </View>
     );
   }
@@ -20,6 +34,9 @@ const styles = StyleSheet.create({
     justifyContent: 'center',
     backgroundColor: '#ffffff',
   },
+  button: {
+    marginTop: 16
+  }
 });
 
 export default MyClass;