Add both Providers for completeness

index.js

@@ -1,14 +1,17 @@
 import * as React from "react";
 import { AppRegistry } from "react-native";
 import { ThemeProvider } from "react-native-elements";
+import { Provider as PaperProvider } from "react-native-paper";
 import App from "./src/App";
 import { name as appName } from "./app.json";
 import "reflect-metadata";
 
 export default function Main() {
   return (
     <ThemeProvider>
-      <App />
+      <PaperProvider>
+        <App />
+      </PaperProvider>
     </ThemeProvider>
   );
 }