diff --git a/README.md b/README.md
index ca5d907..4d63eb3 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,6 @@ Use following libraries to do the heavy lifting.
 - iOS: https://github.com/ChangbaDevs/KTVHTTPCache
 - Android: https://github.com/danikula/AndroidVideoCache
 
-
 ## Getting started
 
 `$ yarn add react-native-video-cache`
@@ -17,10 +16,9 @@ Use following libraries to do the heavy lifting.
 `$ react-native link react-native-video-cache`
 
 ## Usage
+
 ```javascript
 import convertToProxyURL from 'react-native-video-cache';
 ...
-const localProxiedURL = await convertToProxyURL(originalURL);
-...
-<Video source={{uri: localProxiedURL}} />
+<Video source={{uri: convertToProxyURL(originalURL)}} />
 ```
diff --git a/android/src/main/java/com/reactnative/videocache/VideoCacheModule.java b/android/src/main/java/com/reactnative/videocache/VideoCacheModule.java
index fbbfe66..c8e66c4 100644
--- a/android/src/main/java/com/reactnative/videocache/VideoCacheModule.java
+++ b/android/src/main/java/com/reactnative/videocache/VideoCacheModule.java
@@ -21,13 +21,11 @@ public class VideoCacheModule extends ReactContextBaseJavaModule {
         return "VideoCache";
     }
 
-    @ReactMethod
-    public void convert(
-            String url,
-            Promise promise) {
+    @ReactMethod(isBlockingSynchronousMethod = true)
+    public void convert(String url) {
         if (this.proxy == null) {
             this.proxy = new HttpProxyCacheServer(this.reactContext);
         }
-        promise.resolve(this.proxy.getProxyUrl(url));
+        return this.proxy.getProxyUrl(url);
     }
 }
diff --git a/example/App.js b/example/App.js
index 6bf51bf..bdeac2b 100644
--- a/example/App.js
+++ b/example/App.js
@@ -1,57 +1,36 @@
-/**
- * Sample React Native App
- *
- * adapted from App.js generated by the following command:
- *
- * react-native init example
- *
- * https://github.com/facebook/react-native
- */
+import React, { Component } from "react";
+import { StyleSheet, Text, View } from "react-native";
+import convertToCache from "react-native-video-cache";
 
-import React, { Component } from 'react';
-import { Platform, StyleSheet, Text, View } from 'react-native';
-import convertToCache from 'react-native-video-cache';
-
-export default class App extends Component<{}> {
-  state = {
-    status: 'starting',
-    message: '--'
-  };
-  componentDidMount() {
-    convertToCache('https://cdn.plyr.io/static/demo/View_From_A_Blue_Moon_Trailer-720p.mp4').then((message) => {
-      this.setState({
-        status: 'native callback received',
-        message
-      });
-    });
-  }
-  render() {
-    return (
-      <View style={styles.container}>
-        <Text style={styles.welcome}>☆VideoCache example☆</Text>
-        <Text style={styles.instructions}>STATUS: {this.state.status}</Text>
-        <Text style={styles.welcome}>☆NATIVE CALLBACK MESSAGE☆</Text>
-        <Text style={styles.instructions}>{this.state.message}</Text>
-      </View>
-    );
-  }
+export default function App() {
+  const url =
+    "https://cdn.plyr.io/static/demo/View_From_A_Blue_Moon_Trailer-720p.mp4";
+  return (
+    <View style={styles.container}>
+      <Text style={styles.welcome}>☆Original URL☆</Text>
+      <Text style={styles.instructions}>{url}</Text>
+      <Text style={styles.welcome}>☆Proxy URL for Video Component☆</Text>
+      <Text style={styles.instructions}>{convertToCache(url)}</Text>
+    </View>
+  );
 }
 
 const styles = StyleSheet.create({
   container: {
     flex: 1,
-    justifyContent: 'center',
-    alignItems: 'center',
-    backgroundColor: '#F5FCFF',
+    justifyContent: "center",
+    alignItems: "center",
+    backgroundColor: "#F5FCFF",
+    padding: 20
   },
   welcome: {
     fontSize: 20,
-    textAlign: 'center',
+    textAlign: "center",
     margin: 10,
   },
   instructions: {
-    textAlign: 'center',
-    color: '#333333',
+    textAlign: "center",
+    color: "#333333",
     marginBottom: 5,
   },
 });
diff --git a/example/ios/Podfile.lock b/example/ios/Podfile.lock
index 8bfc08f..98939ea 100644
--- a/example/ios/Podfile.lock
+++ b/example/ios/Podfile.lock
@@ -129,9 +129,9 @@ SPEC CHECKSUMS:
   KTVCocoaHTTPServer: df8d7b861e603ff8037e9b2138aca2563a6b768d
   KTVHTTPCache: 588c3eb16f6bd1e6fde1e230dabfb7bd4e490a4d
   React: 36d0768f9e93be2473b37e7fa64f92c1d5341eef
-  react-native-video-cache: a9b3bb7c7ad2c33348a35ed5617ac93cf179c9f9
+  react-native-video-cache: 90b8857673151d2618fc61030f14d755d1e92d4e
   yoga: 684513b14b03201579ba3cee20218c9d1298b0cc
 
 PODFILE CHECKSUM: 8cb65c707639127200176815b46fe7b0846ce649
 
-COCOAPODS: 1.8.4
+COCOAPODS: 1.9.3
diff --git a/ios/VideoCache.m b/ios/VideoCache.m
index 8288aa4..c0417b9 100644
--- a/ios/VideoCache.m
+++ b/ios/VideoCache.m
@@ -1,25 +1,20 @@
 #import "VideoCache.h"
 #import <KTVHTTPCache/KTVHTTPCache.h>
 
-
 @implementation VideoCache
 
 RCT_EXPORT_MODULE()
 
-RCT_EXPORT_METHOD(convert:(NSString *)url
-                  resolver:(RCTPromiseResolveBlock)resolve
-                  rejecter:(RCTPromiseRejectBlock)reject)
+RCT_EXPORT_BLOCKING_SYNCHRONOUS_METHOD(convert:(NSString *)url)
 {
-  if (!KTVHTTPCache.proxyIsRunning) {
-    NSError *error;
-    [KTVHTTPCache proxyStart:&error];
-    if (error) {
-      reject(@"init.error", @"failed to start proxy server", error);
-      return;
+    if (!KTVHTTPCache.proxyIsRunning) {
+      NSError *error;
+      [KTVHTTPCache proxyStart:&error];
+      if (error) {
+        return url;
+      }
     }
-  }
-  resolve([KTVHTTPCache proxyURLWithOriginalURL:[NSURL URLWithString:url]].absoluteString);
+    return [KTVHTTPCache proxyURLWithOriginalURL:[NSURL URLWithString:url]].absoluteString;
 }
 
-
 @end
diff --git a/ios/VideoCache.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/ios/VideoCache.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
new file mode 100644
index 0000000..18d9810
--- /dev/null
+++ b/ios/VideoCache.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>