diff --git a/DropdownAlert.js b/DropdownAlert.js
index 2f173d14..af3b005c 100644
--- a/DropdownAlert.js
+++ b/DropdownAlert.js
@@ -3,7 +3,6 @@ import { StyleSheet, SafeAreaView, View, TouchableOpacity, Animated, StatusBar,
 import PropTypes from 'prop-types';
 import {
   DEFAULT_IMAGE_DIMENSIONS,
-  IS_IOS,
   IS_ANDROID,
   IS_IOS_BELOW_11,
   TYPE,
@@ -180,7 +179,6 @@ export default class DropdownAlert extends Component {
     this.panResponder = this.getPanResponder();
   }
   componentWillUnmount() {
-    this.clearCloseTimeoutID();
     if (this.state.isOpen) {
       this.closeAction(ACTION.programmatic);
     }
@@ -329,13 +327,12 @@ export default class DropdownAlert extends Component {
         } else {
           StatusBar.setBackgroundColor(inactiveStatusBarBackgroundColor, true);
         }
-      } else if (IS_IOS) {
-        const { inactiveStatusBarStyle, activeStatusBarStyle } = this.props;
-        if (active) {
-          StatusBar.setBarStyle(activeStatusBarStyle, true);
-        } else {
-          StatusBar.setBarStyle(inactiveStatusBarStyle, true);
-        }
+      }
+      const { inactiveStatusBarStyle, activeStatusBarStyle } = this.props;
+      if (active) {
+        StatusBar.setBarStyle(activeStatusBarStyle, true);
+      } else {
+        StatusBar.setBarStyle(inactiveStatusBarStyle, true);
       }
     }
   };
diff --git a/constants.js b/constants.js
index a52d810d..d9451a66 100644
--- a/constants.js
+++ b/constants.js
@@ -1,49 +1,36 @@
 import { StatusBar, Platform, Dimensions } from 'react-native';
 
-const DEFAULT_IMAGE_DIMENSIONS = 36;
-const WINDOW = Dimensions.get('window');
-const HEIGHT = WINDOW.height;
-const WIDTH = WINDOW.width;
+export const DEFAULT_IMAGE_DIMENSIONS = 36;
+export const WINDOW = Dimensions.get('window');
+export const HEIGHT = WINDOW.height;
+export const WIDTH = WINDOW.width;
+export const IS_ANDROID = Platform.OS == 'android';
 const IS_IOS = Platform.OS == 'ios';
-const IS_ANDROID = Platform.OS == 'android';
-const IS_IOS_BELOW_11 = IS_IOS && parseInt(Platform.Version, 10) < 11;
-const TYPE = {
+const PLATFORM_VERSION = parseInt(Platform.Version, 10);
+export const IS_IOS_BELOW_11 = IS_IOS && PLATFORM_VERSION < 11;
+export const TYPE = {
   info: 'info',
   warn: 'warn',
   error: 'error',
   success: 'success',
   custom: 'custom',
 };
-const ACTION = {
+export const ACTION = {
   automatic: 'automatic',
   cancel: 'cancel',
   pan: 'pan',
   programmatic: 'programmatic',
   tap: 'tap',
 };
-const getDefaultStatusBarStyle = () => {
+export function getDefaultStatusBarStyle() {
   if (StatusBar._defaultProps) {
     return StatusBar._defaultProps.barStyle.value;
   }
   return 'default';
 };
-const getDefaultStatusBarBackgroundColor = () => {
+export function getDefaultStatusBarBackgroundColor() {
   if (StatusBar._defaultProps) {
     return StatusBar._defaultProps.backgroundColor.value;
   }
   return 'black';
 };
-
-module.exports = {
-  DEFAULT_IMAGE_DIMENSIONS,
-  WINDOW,
-  HEIGHT,
-  WIDTH,
-  IS_IOS,
-  IS_ANDROID,
-  IS_IOS_BELOW_11,
-  TYPE,
-  ACTION,
-  getDefaultStatusBarStyle,
-  getDefaultStatusBarBackgroundColor,
-};