Gets a basic running app going. Refactors everything into Typescript and organizes files.

2020-08-28 23:40:55 -04:00 · 2020-08-28 23:40:55 -04:00 · 8a167f77d5
parent a9fd12208a
commit 8a167f77d5
85 changed files with 376 additions and 10347 deletions
--- a/.expo-shared/assets.json
+++ b/.expo-shared/assets.json
@ -0,0 +1,4 @@
+{
+  "12bb71342c6255bbf50437ec8f4441c083f47cdb74bd89160c15e4f43e52a1cb": true,
+  "40b842e832070c58deac6aa9e08fa459302ee3f9da492c7e77d93d2fbf4a56fd": true
+}
--- a/.gitignore
+++ b/.gitignore
@ -395,4 +395,7 @@ Temporary Items
 # Ignore all local history of files
 .history

-# End of https://www.toptal.com/developers/gitignore/api/reactnative,visualstudiocode,pycharm+all
+# End of https://www.toptal.com/developers/gitignore/api/reactnative,visualstudiocode,pycharm+all
+
+.expo
+.expo-shared
--- a/.watchmanconfig
+++ b/.watchmanconfig
@ -1 +0,0 @@
-{}
--- a/App.js
+++ b/App.js
@ -1,46 +0,0 @@
-import React, { useState, useEffect } from 'react';
-import { Text, View, StyleSheet, Button } from 'react-native';
-import { BarCodeScanner } from 'expo-barcode-scanner';
-
-export default function App() {
-  const [hasPermission, setHasPermission] = useState(null);
-  const [scanned, setScanned] = useState(false);
-
-  useEffect(() => {
-    (async () => {
-      const { status } = await BarCodeScanner.requestPermissionsAsync();
-      setHasPermission(status === 'granted');
-    })();
-  }, []);
-
-  const handleBarCodeScanned = ({ type, data }) => {
-    setScanned(true);
-    const timeInt = new Date().getTime();
-    const locationStr = '4321';
-    const newData = `${data}-${timeInt}-${locationStr}`;
-    alert(`Bar code with type ${type} and data ${data} has been scanned! Data to print on new bar code: ${newData}`);
-  };
-
-  if (hasPermission === null) {
-    return <Text>Requesting for camera permission</Text>;
-  }
-  if (hasPermission === false) {
-    return <Text>No access to camera</Text>;
-  }
-
-  return (
-    <View
-      style={{
-        flex: 1,
-        flexDirection: 'column',
-        justifyContent: 'flex-end',
-      }}>
-      <BarCodeScanner
-        onBarCodeScanned={scanned ? undefined : handleBarCodeScanned}
-        style={StyleSheet.absoluteFillObject}
-      />
-
-      {scanned && <Button title={'Tap to Scan Again'} onPress={() => setScanned(false)} />}
-    </View>
-  );
-}
--- a/App.tsx
+++ b/App.tsx
@ -0,0 +1,76 @@
+import {BarCodeEvent, BarCodeScanner, PermissionResponse} from 'expo-barcode-scanner';
+import React, {useEffect, useState} from 'react';
+import {Text, View} from 'react-native';
+import {CancelButton} from './components/Common';
+import {BarCodeDisplay, PrintButton, PrintingMessage} from './components/Print';
+import {ScanButton, Scanner} from './components/Scan';
+import {styles} from './components/Styles';
+import {BarcodeScannerAppState} from './models/BarcodeScannerAppState';
+import {ElementProps, StateProps} from './models/ElementProps';
+
+const App = () => {
+  const [appState, setAppState] = useState<BarcodeScannerAppState>(BarcodeScannerAppState.INITIAL);
+  const [barCodeData, setBarCodeData] = useState<string>('');
+  const [date, setDate] = useState<Date>(new Date());
+  const [locationStr, setLocationStr] = useState<string>('4321');
+
+  useEffect(() => {
+    BarCodeScanner.requestPermissionsAsync().then((value: PermissionResponse) => {
+      if (value.granted) {
+        setAppState(BarcodeScannerAppState.DEFAULT);
+      } else {
+        setAppState(BarcodeScannerAppState.ERROR);
+      }
+    });
+  }, []);
+
+  const handleBarCodeScanned = (e: BarCodeEvent) => {
+    setBarCodeData(e.data);
+    setDate(new Date());
+    setAppState(BarcodeScannerAppState.SCANNED);
+  };
+
+  function ErrorMessage(props: ElementProps) {
+    return <Text>Something went wrong.</Text>;
+  }
+
+  function LoadingMessage(props: ElementProps) {
+    return <Text>Loading...</Text>;
+  }
+
+  function SuccessMessage(props: ElementProps) {
+    return <Text>Your barcode label has printed successfully.</Text>;
+  }
+
+  function Menu(props: StateProps) {
+    switch (props.appState) {
+      case BarcodeScannerAppState.INITIAL:
+        return <LoadingMessage/>;
+      case BarcodeScannerAppState.DEFAULT:
+        return <ScanButton onClicked={() => setAppState(BarcodeScannerAppState.SCANNING)}/>;
+      case BarcodeScannerAppState.PRINTED:
+        return <SuccessMessage/>;
+      case BarcodeScannerAppState.PRINTING:
+        return <PrintingMessage onCancel={() => setAppState(BarcodeScannerAppState.SCANNED)}/>;
+      case BarcodeScannerAppState.SCANNED:
+        return <View>
+          <BarCodeDisplay id={barCodeData} date={date} location={locationStr}/>
+          <PrintButton onClicked={() => setAppState(BarcodeScannerAppState.PRINTING)}/>
+          <ScanButton onClicked={() => setAppState(BarcodeScannerAppState.SCANNING)}/>
+          <CancelButton onClicked={() => setAppState(BarcodeScannerAppState.DEFAULT)}/>
+        </View>;
+      case BarcodeScannerAppState.SCANNING:
+        return <Scanner onScanned={handleBarCodeScanned}/>;
+      default:
+        return <ErrorMessage/>;
+    }
+  }
+
+  return (
+    <View style={styles.container}>
+      <Menu appState={appState}/>
+    </View>
+  );
+};
+
+export default App;
--- a/README.md
+++ b/README.md
@ -1 +0,0 @@
-uva-covid19-testing-kiosk
--- a/android/app/BUCK
+++ b/android/app/BUCK
@ -1,55 +0,0 @@
-# To learn about Buck see [Docs](https://buckbuild.com/).
-# To run your application with Buck:
-# - install Buck
-# - `npm start` - to start the packager
-# - `cd android`
-# - `keytool -genkey -v -keystore keystores/debug.keystore -storepass android -alias androiddebugkey -keypass android -dname "CN=Android Debug,O=Android,C=US"`
-# - `./gradlew :app:copyDownloadableDepsToLibs` - make all Gradle compile dependencies available to Buck
-# - `buck install -r android/app` - compile, install and run application
-#
-
-load(":build_defs.bzl", "create_aar_targets", "create_jar_targets")
-
-lib_deps = []
-
-create_aar_targets(glob(["libs/*.aar"]))
-
-create_jar_targets(glob(["libs/*.jar"]))
-
-android_library(
-    name = "all-libs",
-    exported_deps = lib_deps,
-)
-
-android_library(
-    name = "app-code",
-    srcs = glob([
-        "src/main/java/**/*.java",
-    ]),
-    deps = [
-        ":all-libs",
-        ":build_config",
-        ":res",
-    ],
-)
-
-android_build_config(
-    name = "build_config",
-    package = "edu.virginia.covid19.kiosk",
-)
-
-android_resource(
-    name = "res",
-    package = "edu.virginia.covid19.kiosk",
-    res = "src/main/res",
-)
-
-android_binary(
-    name = "app",
-    keystore = "//android/keystores:debug",
-    manifest = "src/main/AndroidManifest.xml",
-    package_type = "debug",
-    deps = [
-        ":app-code",
-    ],
-)
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@ -1,224 +0,0 @@
-apply plugin: "com.android.application"
-
-import com.android.build.OutputFile
-
-/**
- * The react.gradle file registers a task for each build variant (e.g. bundleDebugJsAndAssets
- * and bundleReleaseJsAndAssets).
- * These basically call `react-native bundle` with the correct arguments during the Android build
- * cycle. By default, bundleDebugJsAndAssets is skipped, as in debug/dev mode we prefer to load the
- * bundle directly from the development server. Below you can see all the possible configurations
- * and their defaults. If you decide to add a configuration block, make sure to add it before the
- * `apply from: "../../node_modules/react-native/react.gradle"` line.
- *
- * project.ext.react = [
- *   // the name of the generated asset file containing your JS bundle
- *   bundleAssetName: "index.android.bundle",
- *
- *   // the entry file for bundle generation. If none specified and
- *   // "index.android.js" exists, it will be used. Otherwise "index.js" is
- *   // default. Can be overridden with ENTRY_FILE environment variable.
- *   entryFile: "index.android.js",
- *
- *   // https://facebook.github.io/react-native/docs/performance#enable-the-ram-format
- *   bundleCommand: "ram-bundle",
- *
- *   // whether to bundle JS and assets in debug mode
- *   bundleInDebug: false,
- *
- *   // whether to bundle JS and assets in release mode
- *   bundleInRelease: true,
- *
- *   // whether to bundle JS and assets in another build variant (if configured).
- *   // See http://tools.android.com/tech-docs/new-build-system/user-guide#TOC-Build-Variants
- *   // The configuration property can be in the following formats
- *   //         'bundleIn${productFlavor}${buildType}'
- *   //         'bundleIn${buildType}'
- *   // bundleInFreeDebug: true,
- *   // bundleInPaidRelease: true,
- *   // bundleInBeta: true,
- *
- *   // whether to disable dev mode in custom build variants (by default only disabled in release)
- *   // for example: to disable dev mode in the staging build type (if configured)
- *   devDisabledInStaging: true,
- *   // The configuration property can be in the following formats
- *   //         'devDisabledIn${productFlavor}${buildType}'
- *   //         'devDisabledIn${buildType}'
- *
- *   // the root of your project, i.e. where "package.json" lives
- *   root: "../../",
- *
- *   // where to put the JS bundle asset in debug mode
- *   jsBundleDirDebug: "$buildDir/intermediates/assets/debug",
- *
- *   // where to put the JS bundle asset in release mode
- *   jsBundleDirRelease: "$buildDir/intermediates/assets/release",
- *
- *   // where to put drawable resources / React Native assets, e.g. the ones you use via
- *   // require('./image.png')), in debug mode
- *   resourcesDirDebug: "$buildDir/intermediates/res/merged/debug",
- *
- *   // where to put drawable resources / React Native assets, e.g. the ones you use via
- *   // require('./image.png')), in release mode
- *   resourcesDirRelease: "$buildDir/intermediates/res/merged/release",
- *
- *   // by default the gradle tasks are skipped if none of the JS files or assets change; this means
- *   // that we don't look at files in android/ or ios/ to determine whether the tasks are up to
- *   // date; if you have any other folders that you want to ignore for performance reasons (gradle
- *   // indexes the entire tree), add them here. Alternatively, if you have JS files in android/
- *   // for example, you might want to remove it from here.
- *   inputExcludes: ["android/**", "ios/**"],
- *
- *   // override which node gets called and with what additional arguments
- *   nodeExecutableAndArgs: ["node"],
- *
- *   // supply additional arguments to the packager
- *   extraPackagerArgs: []
- * ]
- */
-
-project.ext.react = [
-    enableHermes: false
-]
-
-apply from: '../../node_modules/react-native-unimodules/gradle.groovy'
-apply from: "../../node_modules/react-native/react.gradle"
-apply from: "../../node_modules/expo-updates/scripts/create-manifest-android.gradle"
-
-/**
- * Set this to true to create two separate APKs instead of one:
- *   - An APK that only works on ARM devices
- *   - An APK that only works on x86 devices
- * The advantage is the size of the APK is reduced by about 4MB.
- * Upload all the APKs to the Play Store and people will download
- * the correct one based on the CPU architecture of their device.
- */
-def enableSeparateBuildPerCPUArchitecture = false
-
-/**
- * Run Proguard to shrink the Java bytecode in release builds.
- */
-def enableProguardInReleaseBuilds = false
-
-/**
- * The preferred build flavor of JavaScriptCore.
- *
- * For example, to use the international variant, you can use:
- * `def jscFlavor = 'org.webkit:android-jsc-intl:+'`
- *
- * The international variant includes ICU i18n library and necessary data
- * allowing to use e.g. `Date.toLocaleString` and `String.localeCompare` that
- * give correct results when using with locales other than en-US.  Note that
- * this variant is about 6MiB larger per architecture than default.
- */
-def jscFlavor = 'org.webkit:android-jsc:+'
-
-/**
- * Whether to enable the Hermes VM.
- *
- * This should be set on project.ext.react and mirrored here.  If it is not set
- * on project.ext.react, JavaScript will not be compiled to Hermes Bytecode
- * and the benefits of using Hermes will therefore be sharply reduced.
- */
-def enableHermes = project.ext.react.get("enableHermes", false);
-
-android {
-    compileSdkVersion rootProject.ext.compileSdkVersion
-
-    compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
-    }
-
-    defaultConfig {
-        applicationId 'edu.virginia.covid19.kiosk'
-        minSdkVersion rootProject.ext.minSdkVersion
-        targetSdkVersion rootProject.ext.targetSdkVersion
-        versionCode 1
-        versionName "1.0.0"
-    }
-    splits {
-        abi {
-            reset()
-            enable enableSeparateBuildPerCPUArchitecture
-            universalApk false  // If true, also generate a universal APK
-            include "armeabi-v7a", "x86", "arm64-v8a", "x86_64"
-        }
-    }
-    signingConfigs {
-        debug {
-            storeFile file('debug.keystore')
-            storePassword 'android'
-            keyAlias 'androiddebugkey'
-            keyPassword 'android'
-        }
-    }
-    buildTypes {
-        debug {
-            signingConfig signingConfigs.debug
-        }
-        release {
-            // Caution! In production, you need to generate your own keystore file.
-            // see https://facebook.github.io/react-native/docs/signed-apk-android.
-            signingConfig signingConfigs.debug
-            minifyEnabled enableProguardInReleaseBuilds
-            proguardFiles getDefaultProguardFile("proguard-android.txt"), "proguard-rules.pro"
-        }
-    }
-
-    packagingOptions {
-        pickFirst "lib/armeabi-v7a/libc++_shared.so"
-        pickFirst "lib/arm64-v8a/libc++_shared.so"
-        pickFirst "lib/x86/libc++_shared.so"
-        pickFirst "lib/x86_64/libc++_shared.so"
-    }
-
-    // applicationVariants are e.g. debug, release
-    applicationVariants.all { variant ->
-        variant.outputs.each { output ->
-            // For each separate APK per architecture, set a unique version code as described here:
-            // https://developer.android.com/studio/build/configure-apk-splits.html
-            def versionCodes = ["armeabi-v7a": 1, "x86": 2, "arm64-v8a": 3, "x86_64": 4]
-            def abi = output.getFilter(OutputFile.ABI)
-            if (abi != null) {  // null for the universal-debug, universal-release variants
-                output.versionCodeOverride =
-                        versionCodes.get(abi) * 1048576 + defaultConfig.versionCode
-            }
-
-        }
-    }
-}
-
-dependencies {
-    implementation fileTree(dir: "libs", include: ["*.jar"])
-    //noinspection GradleDynamicVersion
-    implementation "com.facebook.react:react-native:+"  // From node_modules
-    implementation "androidx.swiperefreshlayout:swiperefreshlayout:1.0.0"
-    debugImplementation("com.facebook.flipper:flipper:${FLIPPER_VERSION}") {
-      exclude group:'com.facebook.fbjni'
-    }
-    debugImplementation("com.facebook.flipper:flipper-network-plugin:${FLIPPER_VERSION}") {
-        exclude group:'com.facebook.flipper'
-    }
-    debugImplementation("com.facebook.flipper:flipper-fresco-plugin:${FLIPPER_VERSION}") {
-        exclude group:'com.facebook.flipper'
-    }
-    addUnimodulesDependencies()
-
-    if (enableHermes) {
-        def hermesPath = "../../node_modules/hermes-engine/android/";
-        debugImplementation files(hermesPath + "hermes-debug.aar")
-        releaseImplementation files(hermesPath + "hermes-release.aar")
-    } else {
-        implementation jscFlavor
-    }
-}
-
-// Run this once to be able to run the application with BUCK
-// puts all compile dependencies into folder libs for BUCK to use
-task copyDownloadableDepsToLibs(type: Copy) {
-    from configurations.compile
-    into 'libs'
-}
-
-apply from: file("../../node_modules/@react-native-community/cli-platform-android/native_modules.gradle"); applyNativeModulesAppBuildGradle(project)
--- a/android/app/build_defs.bzl
+++ b/android/app/build_defs.bzl
@ -1,19 +0,0 @@
-"""Helper definitions to glob .aar and .jar targets"""
-
-def create_aar_targets(aarfiles):
-    for aarfile in aarfiles:
-        name = "aars__" + aarfile[aarfile.rindex("/") + 1:aarfile.rindex(".aar")]
-        lib_deps.append(":" + name)
-        android_prebuilt_aar(
-            name = name,
-            aar = aarfile,
-        )
-
-def create_jar_targets(jarfiles):
-    for jarfile in jarfiles:
-        name = "jars__" + jarfile[jarfile.rindex("/") + 1:jarfile.rindex(".jar")]
-        lib_deps.append(":" + name)
-        prebuilt_jar(
-            name = name,
-            binary_jar = jarfile,
-        )
--- a/android/app/debug.keystore
+++ b/android/app/debug.keystore
--- a/android/app/proguard-rules.pro
+++ b/android/app/proguard-rules.pro
@ -1,10 +0,0 @@
-# Add project specific ProGuard rules here.
-# By default, the flags in this file are appended to flags specified
-# in /usr/local/Cellar/android-sdk/24.3.3/tools/proguard/proguard-android.txt
-# You can edit the include path and order by changing the proguardFiles
-# directive in build.gradle.
-#
-# For more details, see
-#   http://developer.android.com/guide/developing/tools/proguard.html
-
-# Add any project specific keep options here:
--- a/android/app/src/debug/AndroidManifest.xml
+++ b/android/app/src/debug/AndroidManifest.xml
@ -1,7 +0,0 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools">
-
-    <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW"/>
-
-    <application android:usesCleartextTraffic="true" tools:targetApi="28" tools:ignore="GoogleAppIndexingWarning" />
-</manifest>
--- a/android/app/src/debug/java/com/basicbarcodescannerusage/ReactNativeFlipper.java
+++ b/android/app/src/debug/java/com/basicbarcodescannerusage/ReactNativeFlipper.java
@ -1,69 +0,0 @@
-/**
- * Copyright (c) Facebook, Inc. and its affiliates.
- *
- * <p>This source code is licensed under the MIT license found in the LICENSE file in the root
- * directory of this source tree.
- */
-package com.basicbarcodescannerusage;
-
-import android.content.Context;
-import com.facebook.flipper.android.AndroidFlipperClient;
-import com.facebook.flipper.android.utils.FlipperUtils;
-import com.facebook.flipper.core.FlipperClient;
-import com.facebook.flipper.plugins.crashreporter.CrashReporterPlugin;
-import com.facebook.flipper.plugins.databases.DatabasesFlipperPlugin;
-import com.facebook.flipper.plugins.fresco.FrescoFlipperPlugin;
-import com.facebook.flipper.plugins.inspector.DescriptorMapping;
-import com.facebook.flipper.plugins.inspector.InspectorFlipperPlugin;
-import com.facebook.flipper.plugins.network.FlipperOkhttpInterceptor;
-import com.facebook.flipper.plugins.network.NetworkFlipperPlugin;
-import com.facebook.flipper.plugins.react.ReactFlipperPlugin;
-import com.facebook.flipper.plugins.sharedpreferences.SharedPreferencesFlipperPlugin;
-import com.facebook.react.ReactInstanceManager;
-import com.facebook.react.bridge.ReactContext;
-import com.facebook.react.modules.network.NetworkingModule;
-import okhttp3.OkHttpClient;
-
-public class ReactNativeFlipper {
-  public static void initializeFlipper(Context context, ReactInstanceManager reactInstanceManager) {
-    if (FlipperUtils.shouldEnableFlipper(context)) {
-      final FlipperClient client = AndroidFlipperClient.getInstance(context);
-      client.addPlugin(new InspectorFlipperPlugin(context, DescriptorMapping.withDefaults()));
-      client.addPlugin(new ReactFlipperPlugin());
-      client.addPlugin(new DatabasesFlipperPlugin(context));
-      client.addPlugin(new SharedPreferencesFlipperPlugin(context));
-      client.addPlugin(CrashReporterPlugin.getInstance());
-      NetworkFlipperPlugin networkFlipperPlugin = new NetworkFlipperPlugin();
-      NetworkingModule.setCustomClientBuilder(
-          new NetworkingModule.CustomClientBuilder() {
-            @Override
-            public void apply(OkHttpClient.Builder builder) {
-              builder.addNetworkInterceptor(new FlipperOkhttpInterceptor(networkFlipperPlugin));
-            }
-          });
-      client.addPlugin(networkFlipperPlugin);
-      client.start();
-      // Fresco Plugin needs to ensure that ImagePipelineFactory is initialized
-      // Hence we run if after all native modules have been initialized
-      ReactContext reactContext = reactInstanceManager.getCurrentReactContext();
-      if (reactContext == null) {
-        reactInstanceManager.addReactInstanceEventListener(
-            new ReactInstanceManager.ReactInstanceEventListener() {
-              @Override
-              public void onReactContextInitialized(ReactContext reactContext) {
-                reactInstanceManager.removeReactInstanceEventListener(this);
-                reactContext.runOnNativeModulesQueueThread(
-                    new Runnable() {
-                      @Override
-                      public void run() {
-                        client.addPlugin(new FrescoFlipperPlugin());
-                      }
-                    });
-              }
-            });
-      } else {
-        client.addPlugin(new FrescoFlipperPlugin());
-      }
-    }
-  }
-}
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@ -1,43 +0,0 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="edu.virginia.covid19.kiosk">
-  <uses-permission android:name="android.permission.INTERNET"/>
-  <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW"/>
-  <uses-permission android:name="android.permission.MANAGE_DOCUMENTS"/>
-  <uses-permission android:name="android.permission.READ_INTERNAL_STORAGE"/>
-  <uses-permission android:name="android.permission.READ_PHONE_STATE"/>
-  <uses-permission android:name="android.permission.USE_FINGERPRINT"/>
-  <uses-permission android:name="android.permission.VIBRATE"/>
-  <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS"/>
-  <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
-  <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
-  <uses-permission android:name="android.permission.CAMERA"/>
-  <uses-permission android:name="android.permission.READ_CONTACTS"/>
-  <uses-permission android:name="android.permission.READ_CALENDAR"/>
-  <uses-permission android:name="android.permission.WRITE_CALENDAR"/>
-  <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
-  <uses-permission android:name="android.permission.RECORD_AUDIO"/>
-  <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
-  <uses-permission android:name="android.permission.WRITE_SETTINGS"/>
-  <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
-  <uses-permission android:name="android.permission.WAKE_LOCK"/>
-  <uses-permission android:name="com.google.android.c2dm.permission.RECEIVE"/>
-  <application android:name=".MainApplication" android:label="@string/app_name" android:icon="@mipmap/ic_launcher" android:roundIcon="@mipmap/ic_launcher_round" android:allowBackup="true" android:theme="@style/AppTheme">
-    <meta-data android:name="expo.modules.updates.EXPO_UPDATE_URL" android:value="https://exp.host/@ajlouie/snack-6383e687-6d8f-4a9c-8e6f-12e1e4e00c81"/>
-    <meta-data android:name="expo.modules.updates.EXPO_SDK_VERSION" android:value="38.0.0"/>
-    <meta-data android:name="expo.modules.updates.ENABLED" android:value="true"/>
-    <meta-data android:name="expo.modules.updates.EXPO_UPDATES_CHECK_ON_LAUNCH" android:value="ALWAYS"/>
-    <meta-data android:name="expo.modules.updates.EXPO_UPDATES_LAUNCH_WAIT_MS" android:value="0"/>
-    <activity android:name=".MainActivity" android:label="@string/app_name" android:configChanges="keyboard|keyboardHidden|orientation|screenSize|uiMode" android:launchMode="singleTask" android:windowSoftInputMode="adjustResize" android:theme="@style/Theme.App.SplashScreen" android:screenOrientation="portrait">
-      <intent-filter>
-        <action android:name="android.intent.action.MAIN"/>
-        <category android:name="android.intent.category.LAUNCHER"/>
-      </intent-filter>
-      <intent-filter>
-        <action android:name="android.intent.action.VIEW"/>
-        <category android:name="android.intent.category.DEFAULT"/>
-        <category android:name="android.intent.category.BROWSABLE"/>
-        <data android:scheme="edu.virginia.covid19.kiosk"/>
-      </intent-filter>
-    </activity>
-    <activity android:name="com.facebook.react.devsupport.DevSettingsActivity"/>
-  </application>
-</manifest>
--- a/android/app/src/main/java/edu/virginia/covid19/kiosk/MainActivity.java
+++ b/android/app/src/main/java/edu/virginia/covid19/kiosk/MainActivity.java
@ -1,41 +0,0 @@
-package edu.virginia.covid19.kiosk;
-
-import android.os.Bundle;
-
-import com.facebook.react.ReactActivity;
-import com.facebook.react.ReactActivityDelegate;
-import com.facebook.react.ReactRootView;
-import com.swmansion.gesturehandler.react.RNGestureHandlerEnabledRootView;
-
-import expo.modules.splashscreen.SplashScreen;
-import expo.modules.splashscreen.SplashScreenImageResizeMode;
-
-public class MainActivity extends ReactActivity {
-  @Override
-  protected void onCreate(Bundle savedInstanceState) {
-    super.onCreate(savedInstanceState);
-    // SplashScreen.show(...) has to be called after super.onCreate(...)
-    // Below line is handled by '@expo/configure-splash-screen' command and it's discouraged to modify it manually
-    SplashScreen.show(this, SplashScreenImageResizeMode.CONTAIN, false);
-  }
-
-
-    /**
-     * Returns the name of the main component registered from JavaScript.
-     * This is used to schedule rendering of the component.
-     */
-    @Override
-    protected String getMainComponentName() {
-        return "main";
-    }
-
-    @Override
-    protected ReactActivityDelegate createReactActivityDelegate() {
-        return new ReactActivityDelegate(this, getMainComponentName()) {
-            @Override
-            protected ReactRootView createRootView() {
-                return new RNGestureHandlerEnabledRootView(MainActivity.this);
-            }
-        };
-    }
-}
--- a/android/app/src/main/java/edu/virginia/covid19/kiosk/MainApplication.java
+++ b/android/app/src/main/java/edu/virginia/covid19/kiosk/MainApplication.java
@ -1,120 +0,0 @@
-package edu.virginia.covid19.kiosk;
-
-import android.app.Application;
-import android.content.Context;
-import android.net.Uri;
-
-import com.facebook.react.PackageList;
-import com.facebook.react.ReactApplication;
-import com.facebook.react.ReactInstanceManager;
-import com.facebook.react.ReactNativeHost;
-import com.facebook.react.ReactPackage;
-import com.facebook.react.shell.MainReactPackage;
-import com.facebook.soloader.SoLoader;
-import edu.virginia.covid19.kiosk.generated.BasePackageList;
-
-import org.unimodules.adapters.react.ReactAdapterPackage;
-import org.unimodules.adapters.react.ModuleRegistryAdapter;
-import org.unimodules.adapters.react.ReactModuleRegistryProvider;
-import org.unimodules.core.interfaces.Package;
-import org.unimodules.core.interfaces.SingletonModule;
-import expo.modules.constants.ConstantsPackage;
-import expo.modules.permissions.PermissionsPackage;
-import expo.modules.filesystem.FileSystemPackage;
-import expo.modules.updates.UpdatesController;
-
-import java.lang.reflect.InvocationTargetException;
-import java.util.Arrays;
-import java.util.List;
-import javax.annotation.Nullable;
-
-public class MainApplication extends Application implements ReactApplication {
-  private final ReactModuleRegistryProvider mModuleRegistryProvider = new ReactModuleRegistryProvider(
-    new BasePackageList().getPackageList()
-  );
-
-  private final ReactNativeHost mReactNativeHost = new ReactNativeHost(this) {
-    @Override
-    public boolean getUseDeveloperSupport() {
-      return BuildConfig.DEBUG;
-    }
-
-    @Override
-    protected List<ReactPackage> getPackages() {
-      List<ReactPackage> packages = new PackageList(this).getPackages();
-      packages.add(new ModuleRegistryAdapter(mModuleRegistryProvider));
-      return packages;
-    }
-
-    @Override
-    protected String getJSMainModuleName() {
-      return "index";
-    }
-
-    @Override
-    protected @Nullable String getJSBundleFile() {
-      if (BuildConfig.DEBUG) {
-        return super.getJSBundleFile();
-      } else {
-        return UpdatesController.getInstance().getLaunchAssetFile();
-      }
-    }
-
-    @Override
-    protected @Nullable String getBundleAssetName() {
-      if (BuildConfig.DEBUG) {
-        return super.getBundleAssetName();
-      } else {
-        return UpdatesController.getInstance().getBundleAssetName();
-      }
-    }
-  };
-
-  @Override
-  public ReactNativeHost getReactNativeHost() {
-    return mReactNativeHost;
-  }
-
-  @Override
-  public void onCreate() {
-    super.onCreate();
-    SoLoader.init(this, /* native exopackage */ false);
-
-    if (!BuildConfig.DEBUG) {
-      UpdatesController.initialize(this);
-    }
-
-    initializeFlipper(this, getReactNativeHost().getReactInstanceManager());
-  }
-
-  /**
-   * Loads Flipper in React Native templates. Call this in the onCreate method with something like
-   * initializeFlipper(this, getReactNativeHost().getReactInstanceManager());
-   *
-   * @param context
-   * @param reactInstanceManager
-   */
-  private static void initializeFlipper(
-      Context context, ReactInstanceManager reactInstanceManager) {
-    if (BuildConfig.DEBUG) {
-      try {
-        /*
-         We use reflection here to pick up the class that initializes Flipper,
-        since Flipper library is not available in release mode
-        */
-        Class<?> aClass = Class.forName("com.rndiffapp.ReactNativeFlipper");
-        aClass
-            .getMethod("initializeFlipper", Context.class, ReactInstanceManager.class)
-            .invoke(null, context, reactInstanceManager);
-      } catch (ClassNotFoundException e) {
-        e.printStackTrace();
-      } catch (NoSuchMethodException e) {
-        e.printStackTrace();
-      } catch (IllegalAccessException e) {
-        e.printStackTrace();
-      } catch (InvocationTargetException e) {
-        e.printStackTrace();
-      }
-    }
-  }
-}
--- a/android/app/src/main/java/edu/virginia/covid19/kiosk/generated/BasePackageList.java
+++ b/android/app/src/main/java/edu/virginia/covid19/kiosk/generated/BasePackageList.java
@ -1,24 +0,0 @@
-package edu.virginia.covid19.kiosk.generated;
-
-import java.util.Arrays;
-import java.util.List;
-import org.unimodules.core.interfaces.Package;
-
-public class BasePackageList {
-  public List<Package> getPackageList() {
-    return Arrays.<Package>asList(
-        new expo.modules.constants.ConstantsPackage(),
-        new expo.modules.errorrecovery.ErrorRecoveryPackage(),
-        new expo.modules.filesystem.FileSystemPackage(),
-        new expo.modules.font.FontLoaderPackage(),
-        new expo.modules.imageloader.ImageLoaderPackage(),
-        new expo.modules.keepawake.KeepAwakePackage(),
-        new expo.modules.lineargradient.LinearGradientPackage(),
-        new expo.modules.location.LocationPackage(),
-        new expo.modules.permissions.PermissionsPackage(),
-        new expo.modules.splashscreen.SplashScreenPackage(),
-        new expo.modules.sqlite.SQLitePackage(),
-        new expo.modules.updates.UpdatesPackage()
-    );
-  }
-}
--- a/android/app/src/main/res/drawable/splashscreen.xml
+++ b/android/app/src/main/res/drawable/splashscreen.xml
@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-  This file was created by '@expo/configure-splash-screen' and some of it's content shouldn't be modified by hand
-->
-<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
-  <item android:drawable="@color/splashscreen_background"/>
-</layer-list>
--- a/android/app/src/main/res/drawable/splashscreen_image.png
+++ b/android/app/src/main/res/drawable/splashscreen_image.png
--- a/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
+++ b/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
--- a/android/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
+++ b/android/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
--- a/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
+++ b/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
--- a/android/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
+++ b/android/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
--- a/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
+++ b/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
--- a/android/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
+++ b/android/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
--- a/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
+++ b/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
--- a/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
+++ b/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
--- a/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
+++ b/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
--- a/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
+++ b/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
--- a/android/app/src/main/res/values/colors.xml
+++ b/android/app/src/main/res/values/colors.xml
@ -1,5 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<resources>
-  <color name="splashscreen_background">#FFFFFF</color>
-  <color name="colorPrimary">#023c69</color>
-</resources>
--- a/android/app/src/main/res/values/strings.xml
+++ b/android/app/src/main/res/values/strings.xml
@ -1,3 +0,0 @@
-<resources>
-    <string name="app_name">basic-barcodescanner-usage</string>
-</resources>
--- a/android/app/src/main/res/values/styles.xml
+++ b/android/app/src/main/res/values/styles.xml
@ -1,11 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<resources>
-  <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
-    <item name="android:textColor">#000000</item>
-    <item name="android:windowTranslucentStatus">true</item>
-    <item name="colorPrimary">@color/colorPrimary</item>
-  </style>
-  <style name="Theme.App.SplashScreen" parent="Theme.AppCompat.Light.NoActionBar">
-    <item name="android:windowBackground">@drawable/splashscreen</item>
-  </style>
-</resources>
--- a/android/build.gradle
+++ b/android/build.gradle
@ -1,38 +0,0 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
-
-buildscript {
-    ext {
-        buildToolsVersion = "28.0.3"
-        minSdkVersion = 21
-        compileSdkVersion = 28
-        targetSdkVersion = 28
-    }
-    repositories {
-        google()
-        jcenter()
-    }
-    dependencies {
-        classpath("com.android.tools.build:gradle:3.5.3")
-
-        // NOTE: Do not place your application dependencies here; they belong
-        // in the individual module build.gradle files
-    }
-}
-
-allprojects {
-    repositories {
-        mavenLocal()
-        maven {
-            // All of React Native (JS, Obj-C sources, Android binaries) is installed from npm
-            url("$rootDir/../node_modules/react-native/android")
-        }
-        maven {
-            // Android JSC is installed from npm
-            url("$rootDir/../node_modules/jsc-android/dist")
-        }
-
-        google()
-        jcenter()
-        maven { url 'https://www.jitpack.io' }
-    }
-}
--- a/android/gradle.properties
+++ b/android/gradle.properties
@ -1,29 +0,0 @@
-# Project-wide Gradle settings.
-
-# IDE (e.g. Android Studio) users:
-# Gradle settings configured through the IDE *will override*
-# any settings specified in this file.
-
-# For more details on how to configure your build environment visit
-# http://www.gradle.org/docs/current/userguide/build_environment.html
-
-# Specifies the JVM arguments used for the daemon process.
-# The setting is particularly useful for tweaking memory settings.
-# Default value: -Xmx10248m -XX:MaxPermSize=256m
-# org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
-
-# When configured, Gradle will run in incubating parallel mode.
-# This option should only be used with decoupled projects. More details, visit
-# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
-# org.gradle.parallel=true
-
-# AndroidX package structure to make it clearer which packages are bundled with the
-# Android operating system, and which are packaged with your app's APK
-# https://developer.android.com/topic/libraries/support-library/androidx-rn
-android.useAndroidX=true
-
-# Automatically convert third-party libraries to use AndroidX
-android.enableJetifier=true
-
-# Version of flipper SDK to use with React Native
-FLIPPER_VERSION=0.33.1
--- a/android/gradle/wrapper/gradle-wrapper.jar
+++ b/android/gradle/wrapper/gradle-wrapper.jar
--- a/android/gradle/wrapper/gradle-wrapper.properties
+++ b/android/gradle/wrapper/gradle-wrapper.properties
@ -1,5 +0,0 @@
-distributionBase=GRADLE_USER_HOME
-distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.0.1-all.zip
-zipStoreBase=GRADLE_USER_HOME
-zipStorePath=wrapper/dists
--- a/android/gradlew
+++ b/android/gradlew
@ -1,188 +0,0 @@
-#!/usr/bin/env sh
-
-#
-# Copyright 2015 the original author or authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      https://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-##############################################################################
-##
-##  Gradle start up script for UN*X
-##
-##############################################################################
-
-# Attempt to set APP_HOME
-# Resolve links: $0 may be a link
-PRG="$0"
-# Need this for relative symlinks.
-while [ -h "$PRG" ] ; do
-    ls=`ls -ld "$PRG"`
-    link=`expr "$ls" : '.*-> \(.*\)$'`
-    if expr "$link" : '/.*' > /dev/null; then
-        PRG="$link"
-    else
-        PRG=`dirname "$PRG"`"/$link"
-    fi
-done
-SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >/dev/null
-APP_HOME="`pwd -P`"
-cd "$SAVED" >/dev/null
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn () {
-    echo "$*"
-}
-
-die () {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-nonstop=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-  NONSTOP* )
-    nonstop=true
-    ;;
-esac
-
-CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
-
-# Determine the Java command to use to start the JVM.
-if [ -n "$JAVA_HOME" ] ; then
-    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
-        # IBM's JDK on AIX uses strange locations for the executables
-        JAVACMD="$JAVA_HOME/jre/sh/java"
-    else
-        JAVACMD="$JAVA_HOME/bin/java"
-    fi
-    if [ ! -x "$JAVACMD" ] ; then
-        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
-
-Please set the JAVA_HOME variable in your environment to match the
-location of your Java installation."
-    fi
-else
-    JAVACMD="java"
-    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
-
-Please set the JAVA_HOME variable in your environment to match the
-location of your Java installation."
-fi
-
-# Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
-    MAX_FD_LIMIT=`ulimit -H -n`
-    if [ $? -eq 0 ] ; then
-        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
-            MAX_FD="$MAX_FD_LIMIT"
-        fi
-        ulimit -n $MAX_FD
-        if [ $? -ne 0 ] ; then
-            warn "Could not set maximum file descriptor limit: $MAX_FD"
-        fi
-    else
-        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
-    fi
-fi
-
-# For Darwin, add options to specify how the application appears in the dock
-if $darwin; then
-    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
-fi
-
-# For Cygwin or MSYS, switch paths to Windows format before running java
-if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
-    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
-    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
-    JAVACMD=`cygpath --unix "$JAVACMD"`
-
-    # We build the pattern for arguments to be converted via cygpath
-    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
-    SEP=""
-    for dir in $ROOTDIRSRAW ; do
-        ROOTDIRS="$ROOTDIRS$SEP$dir"
-        SEP="|"
-    done
-    OURCYGPATTERN="(^($ROOTDIRS))"
-    # Add a user-defined pattern to the cygpath arguments
-    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
-        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
-    fi
-    # Now convert the arguments - kludge to limit ourselves to /bin/sh
-    i=0
-    for arg in "$@" ; do
-        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
-        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
-
-        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
-            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
-        else
-            eval `echo args$i`="\"$arg\""
-        fi
-        i=$((i+1))
-    done
-    case $i in
-        (0) set -- ;;
-        (1) set -- "$args0" ;;
-        (2) set -- "$args0" "$args1" ;;
-        (3) set -- "$args0" "$args1" "$args2" ;;
-        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
-        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
-        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
-        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
-        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
-        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
-    esac
-fi
-
-# Escape application args
-save () {
-    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
-    echo " "
-}
-APP_ARGS=$(save "$@")
-
-# Collect all arguments for the java command, following the shell quoting and substitution rules
-eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
-
-# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
-if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
-  cd "$(dirname "$0")"
-fi
-
-exec "$JAVACMD" "$@"
--- a/android/gradlew.bat
+++ b/android/gradlew.bat
@ -1,100 +0,0 @@
-@rem
-@rem Copyright 2015 the original author or authors.
-@rem
-@rem Licensed under the Apache License, Version 2.0 (the "License");
-@rem you may not use this file except in compliance with the License.
-@rem You may obtain a copy of the License at
-@rem
-@rem      http://www.apache.org/licenses/LICENSE-2.0
-@rem
-@rem Unless required by applicable law or agreed to in writing, software
-@rem distributed under the License is distributed on an "AS IS" BASIS,
-@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-@rem See the License for the specific language governing permissions and
-@rem limitations under the License.
-@rem
-
-@if "%DEBUG%" == "" @echo off
-@rem ##########################################################################
-@rem
-@rem  Gradle startup script for Windows
-@rem
-@rem ##########################################################################
-
-@rem Set local scope for the variables with windows NT shell
-if "%OS%"=="Windows_NT" setlocal
-
-set DIRNAME=%~dp0
-if "%DIRNAME%" == "" set DIRNAME=.
-set APP_BASE_NAME=%~n0
-set APP_HOME=%DIRNAME%
-
-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
-
-@rem Find java.exe
-if defined JAVA_HOME goto findJavaFromJavaHome
-
-set JAVA_EXE=java.exe
-%JAVA_EXE% -version >NUL 2>&1
-if "%ERRORLEVEL%" == "0" goto init
-
-echo.
-echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
-
-goto fail
-
-:findJavaFromJavaHome
-set JAVA_HOME=%JAVA_HOME:"=%
-set JAVA_EXE=%JAVA_HOME%/bin/java.exe
-
-if exist "%JAVA_EXE%" goto init
-
-echo.
-echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
-
-goto fail
-
-:init
-@rem Get command-line arguments, handling Windows variants
-
-if not "%OS%" == "Windows_NT" goto win9xME_args
-
-:win9xME_args
-@rem Slurp the command line arguments.
-set CMD_LINE_ARGS=
-set _SKIP=2
-
-:win9xME_args_slurp
-if "x%~1" == "x" goto execute
-
-set CMD_LINE_ARGS=%*
-
-:execute
-@rem Setup the command line
-
-set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
-
-@rem Execute Gradle
-"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
-
-:end
-@rem End local scope for the variables with windows NT shell
-if "%ERRORLEVEL%"=="0" goto mainEnd
-
-:fail
-rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
-rem the _cmd.exe /c_ return code!
-if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
-exit /b 1
-
-:mainEnd
-if "%OS%"=="Windows_NT" endlocal
-
-:omega
--- a/android/settings.gradle
+++ b/android/settings.gradle
@ -1,9 +0,0 @@
-rootProject.name = 'basicbarcodescannerusage'
-
-apply from: '../node_modules/react-native-unimodules/gradle.groovy'
-includeUnimodulesProjects()
-
-apply from: file("../node_modules/@react-native-community/cli-platform-android/native_modules.gradle");
-applyNativeModulesSettingsGradle(settings)
-
-include ':app'
--- a/app.json
+++ b/app.json
@ -1,7 +1,7 @@
 {
  "expo": {
    "name": "uva-covid19-testing-kiosk",
-    "slug": "UvaCovid19TestingKiosk",
+    "slug": "uva-covid19-testing-kiosk",
    "version": "1.0.0",
    "orientation": "portrait",
    "icon": "./assets/icon.png",
@ -17,22 +17,11 @@
      "**/*"
    ],
    "ios": {
-      "supportsTablet": true,
-      "bundleIdentifier": "edu.virginia.covid19.kiosk"
+      "supportsTablet": true
    },
    "web": {
      "favicon": "./assets/favicon.png"
    },
-    "platforms": [
-      "ios",
-      "android",
-      "web"
-    ],
-    "android": {
-      "package": "edu.virginia.covid19.kiosk"
-    },
-    "sdkVersion": "38.0.0",
-    "entryPoint": ".vscode/exponentIndex.js"
-  },
-  "name": "uva-covid19-testing-kiosk"
-}
+    "sdkVersion": "38.0.0"
+  }
+}
--- a/components/Common.tsx
+++ b/components/Common.tsx
@ -0,0 +1,10 @@
+import React, {ReactElement} from 'react';
+import {Button} from 'react-native';
+import {ButtonProps} from '../models/ElementProps';
+
+export const CancelButton = (props: ButtonProps): ReactElement => {
+  return <Button
+    title={'Cancel'}
+    onPress={props.onClicked}
+  />;
+};
--- a/components/Print.tsx
+++ b/components/Print.tsx
@ -0,0 +1,32 @@
+import React, {ReactElement} from 'react';
+import {Button, Text, View} from 'react-native';
+import Barcode from 'react-native-barcode-builder';
+import {BarCodeProps, ButtonProps, PrintingProps} from '../models/ElementProps';
+import {styles} from './Styles';
+
+export const PrintButton = (props: ButtonProps): ReactElement => {
+  return <Button
+    title={'Print Labels'}
+    onPress={props.onClicked}
+  />;
+}
+
+export const PrintingMessage = (props: PrintingProps): ReactElement => {
+  return <View>
+    <Text>Printing...</Text>
+    <Button
+      title={'Cancel'}
+      onPress={props.onCancel}
+    />
+  </View>;
+}
+
+export const BarCodeDisplay = (props: BarCodeProps): ReactElement => {
+  const data = `${props.id}-${props.date.getTime()}-${props.location}`;
+  return <View style={styles.preview}>
+    <Text style={styles.label}>ID#: {props.id}</Text>
+    <Text style={styles.label}>Date: {props.date.toLocaleDateString()}, {props.date.toLocaleTimeString()}</Text>
+    <Text style={styles.label}>Location {props.location}</Text>
+    <Barcode width={1} height={40} text={data} value={data} format={'CODE128'}/>
+  </View>;
+}
--- a/components/Scan.tsx
+++ b/components/Scan.tsx
@ -0,0 +1,20 @@
+import {BarCodeScanner} from 'expo-barcode-scanner';
+import React, {ReactElement} from 'react';
+import {Button} from 'react-native';
+import {ButtonProps, ScannerProps} from '../models/ElementProps';
+import {styles} from './Styles';
+
+export const Scanner = (props: ScannerProps): ReactElement => {
+  return <BarCodeScanner
+    onBarCodeScanned={props.onScanned}
+    style={styles.fullScreen}
+  />;
+};
+
+export const ScanButton = (props: ButtonProps): ReactElement => {
+  return <Button
+    color='#f00'
+    title={'Scan Barcode'}
+    onPress={props.onClicked}
+  />;
+};
--- a/components/Styles.tsx
+++ b/components/Styles.tsx
@ -0,0 +1,30 @@
+import {StyleSheet} from 'react-native';
+
+export const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    backgroundColor: '#fff',
+    alignItems: 'center',
+    flexDirection: 'column',
+    justifyContent: 'center',
+    paddingVertical: 40,
+  },
+  heading: {
+    fontSize: 40,
+    padding: 40,
+  },
+  button: {
+    backgroundColor: '#f00',
+  },
+  fullScreen: StyleSheet.absoluteFillObject,
+  label: {
+    fontSize: 16,
+  },
+  preview: {
+    flex: 1,
+    backgroundColor: '#fff',
+    alignItems: 'center',
+    flexDirection: 'column',
+    justifyContent: 'center',
+  }
+});
--- a/index.js
+++ b/index.js
@ -1,8 +0,0 @@
-import { registerRootComponent } from 'expo';
-
-import App from './App';
-
-// registerRootComponent calls AppRegistry.registerComponent('main', () => App);
-// It also ensures that whether you load the app in the Expo client or in a native build,
-// the environment is set up appropriately
-registerRootComponent(App);
--- a/ios/Podfile
+++ b/ios/Podfile
@ -1,92 +0,0 @@
-platform :ios, '10.0'
-require_relative '../node_modules/react-native-unimodules/cocoapods.rb'
-require_relative '../node_modules/@react-native-community/cli-platform-ios/native_modules'
-
-def add_flipper_pods!(versions = {})
-  versions['Flipper'] ||= '~> 0.33.1'
-  versions['DoubleConversion'] ||= '1.1.7'
-  versions['Flipper-Folly'] ||= '~> 2.1'
-  versions['Flipper-Glog'] ||= '0.3.6'
-  versions['Flipper-PeerTalk'] ||= '~> 0.0.4'
-  versions['Flipper-RSocket'] ||= '~> 1.0'
-
-  pod 'FlipperKit', versions['Flipper'], :configuration => 'Debug'
-  pod 'FlipperKit/FlipperKitLayoutPlugin', versions['Flipper'], :configuration => 'Debug'
-  pod 'FlipperKit/SKIOSNetworkPlugin', versions['Flipper'], :configuration => 'Debug'
-  pod 'FlipperKit/FlipperKitUserDefaultsPlugin', versions['Flipper'], :configuration => 'Debug'
-  pod 'FlipperKit/FlipperKitReactPlugin', versions['Flipper'], :configuration => 'Debug'
-
-  # List all transitive dependencies for FlipperKit pods
-  # to avoid them being linked in Release builds
-  pod 'Flipper', versions['Flipper'], :configuration => 'Debug'
-  pod 'Flipper-DoubleConversion', versions['DoubleConversion'], :configuration => 'Debug'
-  pod 'Flipper-Folly', versions['Flipper-Folly'], :configuration => 'Debug'
-  pod 'Flipper-Glog', versions['Flipper-Glog'], :configuration => 'Debug'
-  pod 'Flipper-PeerTalk', versions['Flipper-PeerTalk'], :configuration => 'Debug'
-  pod 'Flipper-RSocket', versions['Flipper-RSocket'], :configuration => 'Debug'
-  pod 'FlipperKit/Core', versions['Flipper'], :configuration => 'Debug'
-  pod 'FlipperKit/CppBridge', versions['Flipper'], :configuration => 'Debug'
-  pod 'FlipperKit/FBCxxFollyDynamicConvert', versions['Flipper'], :configuration => 'Debug'
-  pod 'FlipperKit/FBDefines', versions['Flipper'], :configuration => 'Debug'
-  pod 'FlipperKit/FKPortForwarding', versions['Flipper'], :configuration => 'Debug'
-  pod 'FlipperKit/FlipperKitHighlightOverlay', versions['Flipper'], :configuration => 'Debug'
-  pod 'FlipperKit/FlipperKitLayoutTextSearchable', versions['Flipper'], :configuration => 'Debug'
-  pod 'FlipperKit/FlipperKitNetworkPlugin', versions['Flipper'], :configuration => 'Debug'
-end
-
-# Post Install processing for Flipper
-def flipper_post_install(installer)
-  installer.pods_project.targets.each do |target|
-    if target.name == 'YogaKit'
-      target.build_configurations.each do |config|
-        config.build_settings['SWIFT_VERSION'] = '4.1'
-      end
-    end
-  end
-end
-
-target 'basicbarcodescannerusage' do
-  # Pods for basicbarcodescannerusage
-  pod 'FBLazyVector', :path => "../node_modules/react-native/Libraries/FBLazyVector"
-  pod 'FBReactNativeSpec', :path => "../node_modules/react-native/Libraries/FBReactNativeSpec"
-  pod 'RCTRequired', :path => "../node_modules/react-native/Libraries/RCTRequired"
-  pod 'RCTTypeSafety', :path => "../node_modules/react-native/Libraries/TypeSafety"
-  pod 'React', :path => '../node_modules/react-native/'
-  pod 'React-Core', :path => '../node_modules/react-native/'
-  pod 'React-CoreModules', :path => '../node_modules/react-native/React/CoreModules'
-  pod 'React-Core/DevSupport', :path => '../node_modules/react-native/'
-  pod 'React-RCTActionSheet', :path => '../node_modules/react-native/Libraries/ActionSheetIOS'
-  pod 'React-RCTAnimation', :path => '../node_modules/react-native/Libraries/NativeAnimation'
-  pod 'React-RCTBlob', :path => '../node_modules/react-native/Libraries/Blob'
-  pod 'React-RCTImage', :path => '../node_modules/react-native/Libraries/Image'
-  pod 'React-RCTLinking', :path => '../node_modules/react-native/Libraries/LinkingIOS'
-  pod 'React-RCTNetwork', :path => '../node_modules/react-native/Libraries/Network'
-  pod 'React-RCTSettings', :path => '../node_modules/react-native/Libraries/Settings'
-  pod 'React-RCTText', :path => '../node_modules/react-native/Libraries/Text'
-  pod 'React-RCTVibration', :path => '../node_modules/react-native/Libraries/Vibration'
-  pod 'React-Core/RCTWebSocket', :path => '../node_modules/react-native/'
-
-  pod 'React-cxxreact', :path => '../node_modules/react-native/ReactCommon/cxxreact'
-  pod 'React-jsi', :path => '../node_modules/react-native/ReactCommon/jsi'
-  pod 'React-jsiexecutor', :path => '../node_modules/react-native/ReactCommon/jsiexecutor'
-  pod 'React-jsinspector', :path => '../node_modules/react-native/ReactCommon/jsinspector'
-  pod 'ReactCommon/callinvoker', :path => "../node_modules/react-native/ReactCommon"
-  pod 'ReactCommon/turbomodule/core', :path => "../node_modules/react-native/ReactCommon"
-  pod 'Yoga', :path => '../node_modules/react-native/ReactCommon/yoga', :modular_headers => true
-
-  pod 'DoubleConversion', :podspec => '../node_modules/react-native/third-party-podspecs/DoubleConversion.podspec'
-  pod 'glog', :podspec => '../node_modules/react-native/third-party-podspecs/glog.podspec'
-  pod 'Folly', :podspec => '../node_modules/react-native/third-party-podspecs/Folly.podspec'
-
-  use_unimodules!
-  use_native_modules!
-
-  # Enables Flipper.
-  #
-  # Note that if you have use_frameworks! enabled, Flipper will not work and
-  # you should disable these next few lines.
-  add_flipper_pods!
-  post_install do |installer|
-    flipper_post_install(installer)
-  end
-end
--- a/ios/basicbarcodescannerusage.xcodeproj/project.pbxproj
+++ b/ios/basicbarcodescannerusage.xcodeproj/project.pbxproj
@ -1,466 +0,0 @@
-// !$*UTF8*$!
-{
-	archiveVersion = 1;
-	classes = {
-	};
-	objectVersion = 46;
-	objects = {
-
-/* Begin PBXBuildFile section */
-		13B07FBC1A68108700A75B9A /* AppDelegate.m in Sources */ = {isa = PBXBuildFile; fileRef = 13B07FB01A68108700A75B9A /* AppDelegate.m */; };
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-		13B07FBF1A68108700A75B9A /* Images.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 13B07FB51A68108700A75B9A /* Images.xcassets */; };
-		13B07FC11A68108700A75B9A /* main.m in Sources */ = {isa = PBXBuildFile; fileRef = 13B07FB71A68108700A75B9A /* main.m */; };
-		3E461D99554A48A4959DE609 /* SplashScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = AA286B85B6C04FC6940260E9 /* SplashScreen.storyboard */; };
-		96905EF65AED1B983A6B3ABC /* libPods-basicbarcodescannerusage.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 58EEBF8E8E6FB1BC6CAF49B5 /* libPods-basicbarcodescannerusage.a */; };
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-/* End PBXBuildFile section */
-
-/* Begin PBXFileReference section */
-		008F07F21AC5B25A0029DE68 /* main.jsbundle */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = main.jsbundle; sourceTree = "<group>"; };
-		13B07F961A680F5B00A75B9A /* basicbarcodescannerusage.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = basicbarcodescannerusage.app; sourceTree = BUILT_PRODUCTS_DIR; };
-		13B07FAF1A68108700A75B9A /* AppDelegate.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = AppDelegate.h; path = basicbarcodescannerusage/AppDelegate.h; sourceTree = "<group>"; };
-		13B07FB01A68108700A75B9A /* AppDelegate.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = AppDelegate.m; path = basicbarcodescannerusage/AppDelegate.m; sourceTree = "<group>"; };
-		13B07FB21A68108700A75B9A /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.xib; name = Base; path = Base.lproj/LaunchScreen.xib; sourceTree = "<group>"; };
-		13B07FB51A68108700A75B9A /* Images.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; name = Images.xcassets; path = basicbarcodescannerusage/Images.xcassets; sourceTree = "<group>"; };
-		13B07FB61A68108700A75B9A /* Info.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; name = Info.plist; path = basicbarcodescannerusage/Info.plist; sourceTree = "<group>"; };
-		13B07FB71A68108700A75B9A /* main.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = main.m; path = basicbarcodescannerusage/main.m; sourceTree = "<group>"; };
-		58EEBF8E8E6FB1BC6CAF49B5 /* libPods-basicbarcodescannerusage.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = "libPods-basicbarcodescannerusage.a"; sourceTree = BUILT_PRODUCTS_DIR; };
-		6C2E3173556A471DD304B334 /* Pods-basicbarcodescannerusage.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-basicbarcodescannerusage.debug.xcconfig"; path = "Target Support Files/Pods-basicbarcodescannerusage/Pods-basicbarcodescannerusage.debug.xcconfig"; sourceTree = "<group>"; };
-		7A4D352CD337FB3A3BF06240 /* Pods-basicbarcodescannerusage.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-basicbarcodescannerusage.release.xcconfig"; path = "Target Support Files/Pods-basicbarcodescannerusage/Pods-basicbarcodescannerusage.release.xcconfig"; sourceTree = "<group>"; };
-		AA286B85B6C04FC6940260E9 /* SplashScreen.storyboard */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.storyboard; name = SplashScreen.storyboard; path = basicbarcodescannerusage/SplashScreen.storyboard; sourceTree = "<group>"; };
-		BB2F792C24A3F905000567C9 /* Expo.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; path = Expo.plist; sourceTree = "<group>"; };
-		ED297162215061F000B7C4FE /* JavaScriptCore.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = JavaScriptCore.framework; path = System/Library/Frameworks/JavaScriptCore.framework; sourceTree = SDKROOT; };
-		ED2971642150620600B7C4FE /* JavaScriptCore.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = JavaScriptCore.framework; path = Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS12.0.sdk/System/Library/Frameworks/JavaScriptCore.framework; sourceTree = DEVELOPER_DIR; };
-/* End PBXFileReference section */
-
-/* Begin PBXFrameworksBuildPhase section */
-		13B07F8C1A680F5B00A75B9A /* Frameworks */ = {
-			isa = PBXFrameworksBuildPhase;
-			buildActionMask = 2147483647;
-			files = (
-				96905EF65AED1B983A6B3ABC /* libPods-basicbarcodescannerusage.a in Frameworks */,
-			);
-			runOnlyForDeploymentPostprocessing = 0;
-		};
-/* End PBXFrameworksBuildPhase section */
-
-/* Begin PBXGroup section */
-		13B07FAE1A68108700A75B9A /* basicbarcodescannerusage */ = {
-			isa = PBXGroup;
-			children = (
-				BB2F792B24A3F905000567C9 /* Supporting */,
-				008F07F21AC5B25A0029DE68 /* main.jsbundle */,
-				13B07FAF1A68108700A75B9A /* AppDelegate.h */,
-				13B07FB01A68108700A75B9A /* AppDelegate.m */,
-				13B07FB51A68108700A75B9A /* Images.xcassets */,
-				13B07FB61A68108700A75B9A /* Info.plist */,
-				13B07FB11A68108700A75B9A /* LaunchScreen.xib */,
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-				AA286B85B6C04FC6940260E9 /* SplashScreen.storyboard */,
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-			sourceTree = "<group>";
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-		2D16E6871FA4F8E400B85C8A /* Frameworks */ = {
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-			name = Frameworks;
-			sourceTree = "<group>";
-		};
-		832341AE1AAA6A7D00B99B32 /* Libraries */ = {
-			isa = PBXGroup;
-			children = (
-			);
-			name = Libraries;
-			sourceTree = "<group>";
-		};
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-			isa = PBXGroup;
-			children = (
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-				832341AE1AAA6A7D00B99B32 /* Libraries */,
-				83CBBA001A601CBA00E9B192 /* Products */,
-				2D16E6871FA4F8E400B85C8A /* Frameworks */,
-				D65327D7A22EEC0BE12398D9 /* Pods */,
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-			indentWidth = 2;
-			sourceTree = "<group>";
-			tabWidth = 2;
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-		83CBBA001A601CBA00E9B192 /* Products */ = {
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-			sourceTree = "<group>";
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-			children = (
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-/* End PBXGroup section */
-
-/* Begin PBXNativeTarget section */
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-			buildPhases = (
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-				FD10A7F022414F080027D42C /* Start Packager */,
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-			buildRules = (
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-/* End PBXNativeTarget section */
-
-/* Begin PBXProject section */
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-
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-				13B07FBF1A68108700A75B9A /* Images.xcassets in Resources */,
-				13B07FBD1A68108700A75B9A /* LaunchScreen.xib in Resources */,
-				3E461D99554A48A4959DE609 /* SplashScreen.storyboard in Resources */,
-			);
-			runOnlyForDeploymentPostprocessing = 0;
-		};
-/* End PBXResourcesBuildPhase section */
-
-/* Begin PBXShellScriptBuildPhase section */
-		00DD1BFF1BD5951E006B06BC /* Bundle React Native code and images */ = {
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-		};
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-			buildActionMask = 2147483647;
-			files = (
-			);
-			inputFileListPaths = (
-			);
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-				"${PODS_ROOT}/Manifest.lock",
-			);
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-			outputFileListPaths = (
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-			);
-			runOnlyForDeploymentPostprocessing = 0;
-			shellPath = /bin/sh;
-			shellScript = "diff \"${PODS_PODFILE_DIR_PATH}/Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n    # print error to STDERR\n    echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n    exit 1\nfi\n# This output is used by Xcode 'outputs' to avoid re-running this script phase.\necho \"SUCCESS\" > \"${SCRIPT_OUTPUT_FILE_0}\"\n";
-			showEnvVarsInLog = 0;
-		};
-		FD10A7F022414F080027D42C /* Start Packager */ = {
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-			files = (
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-			);
-			outputPaths = (
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-			shellScript = "export RCT_METRO_PORT=\"${RCT_METRO_PORT:=8081}\"\necho \"export RCT_METRO_PORT=${RCT_METRO_PORT}\" > \"${SRCROOT}/../node_modules/react-native/scripts/.packager.env\"\nif [ -z \"${RCT_NO_LAUNCH_PACKAGER+xxx}\" ] ; then\n  if nc -w 5 -z localhost ${RCT_METRO_PORT} ; then\n    if ! curl -s \"http://localhost:${RCT_METRO_PORT}/status\" | grep -q \"packager-status:running\" ; then\n      echo \"Port ${RCT_METRO_PORT} already in use, packager is either not running or not running correctly\"\n      exit 2\n    fi\n  else\n    open \"$SRCROOT/../node_modules/react-native/scripts/launchPackager.command\" || echo \"Can't start packager automatically\"\n  fi\nfi\n";
-			showEnvVarsInLog = 0;
-		};
-/* End PBXShellScriptBuildPhase section */
-
-/* Begin PBXSourcesBuildPhase section */
-		13B07F871A680F5B00A75B9A /* Sources */ = {
-			isa = PBXSourcesBuildPhase;
-			buildActionMask = 2147483647;
-			files = (
-				13B07FBC1A68108700A75B9A /* AppDelegate.m in Sources */,
-				13B07FC11A68108700A75B9A /* main.m in Sources */,
-			);
-			runOnlyForDeploymentPostprocessing = 0;
-		};
-/* End PBXSourcesBuildPhase section */
-
-/* Begin PBXVariantGroup section */
-		13B07FB11A68108700A75B9A /* LaunchScreen.xib */ = {
-			isa = PBXVariantGroup;
-			children = (
-				13B07FB21A68108700A75B9A /* Base */,
-			);
-			name = LaunchScreen.xib;
-			path = basicbarcodescannerusage;
-			sourceTree = "<group>";
-		};
-/* End PBXVariantGroup section */
-
-/* Begin XCBuildConfiguration section */
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-			baseConfigurationReference = 6C2E3173556A471DD304B334 /* Pods-basicbarcodescannerusage.debug.xcconfig */;
-			buildSettings = {
-				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
-				CLANG_ENABLE_MODULES = YES;
-				CURRENT_PROJECT_VERSION = 1;
-				ENABLE_BITCODE = NO;
-				GCC_PREPROCESSOR_DEFINITIONS = (
-					"$(inherited)",
-					"FB_SONARKIT_ENABLED=1",
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-				INFOPLIST_FILE = basicbarcodescannerusage/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 10.0;
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-				OTHER_LDFLAGS = (
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-				CURRENT_PROJECT_VERSION = 1;
-				INFOPLIST_FILE = basicbarcodescannerusage/Info.plist;
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-				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
-				OTHER_LDFLAGS = (
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-				PRODUCT_NAME = kiosk;
-				SWIFT_VERSION = 5.0;
-				VERSIONING_SYSTEM = "apple-generic";
-				TARGETED_DEVICE_FAMILY = "1,2";
-				CODE_SIGN_ENTITLEMENTS = basicbarcodescannerusage/kiosk.entitlements;
-			};
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-				CLANG_WARN_INFINITE_RECURSION = YES;
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-				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
-				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
-				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
-				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
-				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
-				CLANG_WARN_STRICT_PROTOTYPES = YES;
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-				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
-				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
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-				GCC_NO_COMMON_BLOCKS = YES;
-				GCC_OPTIMIZATION_LEVEL = 0;
-				GCC_PREPROCESSOR_DEFINITIONS = (
-					"DEBUG=1",
-					"$(inherited)",
-				);
-				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
-				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
-				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
-				GCC_WARN_UNDECLARED_SELECTOR = YES;
-				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
-				GCC_WARN_UNUSED_FUNCTION = YES;
-				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 10.0;
-				LD_RUNPATH_SEARCH_PATHS = "/usr/lib/swift $(inherited)";
-				LIBRARY_SEARCH_PATHS = (
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-				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
-				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
-				CLANG_WARN_EMPTY_BODY = YES;
-				CLANG_WARN_ENUM_CONVERSION = YES;
-				CLANG_WARN_INFINITE_RECURSION = YES;
-				CLANG_WARN_INT_CONVERSION = YES;
-				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
-				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
-				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
-				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
-				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
-				CLANG_WARN_STRICT_PROTOTYPES = YES;
-				CLANG_WARN_SUSPICIOUS_MOVE = YES;
-				CLANG_WARN_UNREACHABLE_CODE = YES;
-				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
-				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
-				COPY_PHASE_STRIP = YES;
-				ENABLE_NS_ASSERTIONS = NO;
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-				GCC_NO_COMMON_BLOCKS = YES;
-				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
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-				GCC_WARN_UNDECLARED_SELECTOR = YES;
-				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
-				GCC_WARN_UNUSED_FUNCTION = YES;
-				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 10.0;
-				LD_RUNPATH_SEARCH_PATHS = "/usr/lib/swift $(inherited)";
-				LIBRARY_SEARCH_PATHS = (
-					"\"$(TOOLCHAIN_DIR)/usr/lib/swift/$(PLATFORM_NAME)\"",
-					"\"$(TOOLCHAIN_DIR)/usr/lib/swift-5.0/$(PLATFORM_NAME)\"",
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-				);
-				MTL_ENABLE_DEBUG_INFO = NO;
-				SDKROOT = iphoneos;
-				VALIDATE_PRODUCT = YES;
-				CODE_SIGN_ENTITLEMENTS = basicbarcodescannerusage/kiosk.entitlements;
-			};
-			name = Release;
-		};
-/* End XCBuildConfiguration section */
-
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-			isa = XCConfigurationList;
-			buildConfigurations = (
-				13B07F941A680F5B00A75B9A /* Debug */,
-				13B07F951A680F5B00A75B9A /* Release */,
-			);
-			defaultConfigurationIsVisible = 0;
-			defaultConfigurationName = Release;
-		};
-		83CBB9FA1A601CBA00E9B192 /* Build configuration list for PBXProject "basicbarcodescannerusage" */ = {
-			isa = XCConfigurationList;
-			buildConfigurations = (
-				83CBBA201A601CBA00E9B192 /* Debug */,
-				83CBBA211A601CBA00E9B192 /* Release */,
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-			defaultConfigurationIsVisible = 0;
-			defaultConfigurationName = Release;
-		};
-/* End XCConfigurationList section */
-	};
-	rootObject = 83CBB9F71A601CBA00E9B192 /* Project object */;
-}
--- a/ios/basicbarcodescannerusage.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/ios/basicbarcodescannerusage.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Workspace
-   version = "1.0">
-   <FileRef
-      location = "self:">
-   </FileRef>
-</Workspace>
--- a/ios/basicbarcodescannerusage.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
+++ b/ios/basicbarcodescannerusage.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@ -1,8 +0,0 @@
-<?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>
--- a/ios/basicbarcodescannerusage.xcodeproj/xcshareddata/xcschemes/basicbarcodescannerusage.xcscheme
+++ b/ios/basicbarcodescannerusage.xcodeproj/xcshareddata/xcschemes/basicbarcodescannerusage.xcscheme
@ -1,88 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Scheme
-   LastUpgradeVersion = "1130"
-   version = "1.3">
-   <BuildAction
-      parallelizeBuildables = "YES"
-      buildImplicitDependencies = "YES">
-      <BuildActionEntries>
-         <BuildActionEntry
-            buildForTesting = "YES"
-            buildForRunning = "YES"
-            buildForProfiling = "YES"
-            buildForArchiving = "YES"
-            buildForAnalyzing = "YES">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "13B07F861A680F5B00A75B9A"
-               BuildableName = "basicbarcodescannerusage.app"
-               BlueprintName = "basicbarcodescannerusage"
-               ReferencedContainer = "container:basicbarcodescannerusage.xcodeproj">
-            </BuildableReference>
-         </BuildActionEntry>
-      </BuildActionEntries>
-   </BuildAction>
-   <TestAction
-      buildConfiguration = "Debug"
-      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
-      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      shouldUseLaunchSchemeArgsEnv = "YES">
-      <Testables>
-         <TestableReference
-            skipped = "NO">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "00E356ED1AD99517003FC87E"
-               BuildableName = "basicbarcodescannerusageTests.xctest"
-               BlueprintName = "basicbarcodescannerusageTests"
-               ReferencedContainer = "container:basicbarcodescannerusage.xcodeproj">
-            </BuildableReference>
-         </TestableReference>
-      </Testables>
-   </TestAction>
-   <LaunchAction
-      buildConfiguration = "Debug"
-      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
-      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      launchStyle = "0"
-      useCustomWorkingDirectory = "NO"
-      ignoresPersistentStateOnLaunch = "NO"
-      debugDocumentVersioning = "YES"
-      debugServiceExtension = "internal"
-      allowLocationSimulation = "YES">
-      <BuildableProductRunnable
-         runnableDebuggingMode = "0">
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "13B07F861A680F5B00A75B9A"
-            BuildableName = "basicbarcodescannerusage.app"
-            BlueprintName = "basicbarcodescannerusage"
-            ReferencedContainer = "container:basicbarcodescannerusage.xcodeproj">
-         </BuildableReference>
-      </BuildableProductRunnable>
-   </LaunchAction>
-   <ProfileAction
-      buildConfiguration = "Release"
-      shouldUseLaunchSchemeArgsEnv = "YES"
-      savedToolIdentifier = ""
-      useCustomWorkingDirectory = "NO"
-      debugDocumentVersioning = "YES">
-      <BuildableProductRunnable
-         runnableDebuggingMode = "0">
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "13B07F861A680F5B00A75B9A"
-            BuildableName = "basicbarcodescannerusage.app"
-            BlueprintName = "basicbarcodescannerusage"
-            ReferencedContainer = "container:basicbarcodescannerusage.xcodeproj">
-         </BuildableReference>
-      </BuildableProductRunnable>
-   </ProfileAction>
-   <AnalyzeAction
-      buildConfiguration = "Debug">
-   </AnalyzeAction>
-   <ArchiveAction
-      buildConfiguration = "Release"
-      revealArchiveInOrganizer = "YES">
-   </ArchiveAction>
-</Scheme>
--- a/ios/basicbarcodescannerusage/AppDelegate.h
+++ b/ios/basicbarcodescannerusage/AppDelegate.h
@ -1,10 +0,0 @@
-#import <Foundation/Foundation.h>
-#import <EXUpdates/EXUpdatesAppController.h>
-#import <React/RCTBridgeDelegate.h>
-#import <UIKit/UIKit.h>
-
-#import <UMCore/UMAppDelegateWrapper.h>
-
-@interface AppDelegate : UMAppDelegateWrapper <RCTBridgeDelegate, EXUpdatesAppControllerDelegate>
-
-@end
--- a/ios/basicbarcodescannerusage/AppDelegate.m
+++ b/ios/basicbarcodescannerusage/AppDelegate.m
@ -1,99 +0,0 @@
-#import "AppDelegate.h"
-
-#import <React/RCTBridge.h>
-#import <React/RCTBundleURLProvider.h>
-#import <React/RCTRootView.h>
-
-#import <UMCore/UMModuleRegistry.h>
-#import <UMReactNativeAdapter/UMNativeModulesProxy.h>
-#import <UMReactNativeAdapter/UMModuleRegistryAdapter.h>
-#import <EXSplashScreen/EXSplashScreenService.h>
-#import <UMCore/UMModuleRegistryProvider.h>
-
-#if DEBUG
-#import <FlipperKit/FlipperClient.h>
-#import <FlipperKitLayoutPlugin/FlipperKitLayoutPlugin.h>
-#import <FlipperKitUserDefaultsPlugin/FKUserDefaultsPlugin.h>
-#import <FlipperKitNetworkPlugin/FlipperKitNetworkPlugin.h>
-#import <SKIOSNetworkPlugin/SKIOSNetworkAdapter.h>
-#import <FlipperKitReactPlugin/FlipperKitReactPlugin.h>
-
-static void InitializeFlipper(UIApplication *application) {
-  FlipperClient *client = [FlipperClient sharedClient];
-  SKDescriptorMapper *layoutDescriptorMapper = [[SKDescriptorMapper alloc] initWithDefaults];
-  [client addPlugin:[[FlipperKitLayoutPlugin alloc] initWithRootNode:application withDescriptorMapper:layoutDescriptorMapper]];
-  [client addPlugin:[[FKUserDefaultsPlugin alloc] initWithSuiteName:nil]];
-  [client addPlugin:[FlipperKitReactPlugin new]];
-  [client addPlugin:[[FlipperKitNetworkPlugin alloc] initWithNetworkAdapter:[SKIOSNetworkAdapter new]]];
-  [client start];
-}
-#endif
-
-@interface AppDelegate () <RCTBridgeDelegate>
-
-@property (nonatomic, strong) UMModuleRegistryAdapter *moduleRegistryAdapter;
-@property (nonatomic, strong) NSDictionary *launchOptions;
-
-@end
-
-@implementation AppDelegate
-
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
-{
-#if DEBUG
-  InitializeFlipper(application);
-#endif
-  
-  self.moduleRegistryAdapter = [[UMModuleRegistryAdapter alloc] initWithModuleRegistryProvider:[[UMModuleRegistryProvider alloc] init]];
-  self.launchOptions = launchOptions;
-  self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
-  #ifdef DEBUG
-    [self initializeReactNativeApp];
-  #else
-    EXUpdatesAppController *controller = [EXUpdatesAppController sharedInstance];
-    controller.delegate = self;
-    [controller startAndShowLaunchScreen:self.window];
-  #endif
-
-  [super application:application didFinishLaunchingWithOptions:launchOptions];
-
-  return YES;
-}
-
- (RCTBridge *)initializeReactNativeApp
-{
-  RCTBridge *bridge = [[RCTBridge alloc] initWithDelegate:self launchOptions:self.launchOptions];
-  RCTRootView *rootView = [[RCTRootView alloc] initWithBridge:bridge moduleName:@"main" initialProperties:nil];
-  rootView.backgroundColor = [[UIColor alloc] initWithRed:1.0f green:1.0f blue:1.0f alpha:1];
-
-  self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
-  UIViewController *rootViewController = [UIViewController new];
-  rootViewController.view = rootView;
-  self.window.rootViewController = rootViewController;
-  [self.window makeKeyAndVisible];
-
-  return bridge;
- }
-
- (NSArray<id<RCTBridgeModule>> *)extraModulesForBridge:(RCTBridge *)bridge
-{
-  NSArray<id<RCTBridgeModule>> *extraModules = [_moduleRegistryAdapter extraModulesForBridge:bridge];
-  // If you'd like to export some custom RCTBridgeModules that are not Expo modules, add them here!
-  return extraModules;
-}
-
- (NSURL *)sourceURLForBridge:(RCTBridge *)bridge {
- #ifdef DEBUG
-  return [[RCTBundleURLProvider sharedSettings] jsBundleURLForBundleRoot:@"index" fallbackResource:nil];
- #else
-  return [[EXUpdatesAppController sharedInstance] launchAssetUrl];
- #endif
-}
-
- (void)appController:(EXUpdatesAppController *)appController didStartWithSuccess:(BOOL)success {
-  appController.bridge = [self initializeReactNativeApp];
-  EXSplashScreenService *splashScreenService = (EXSplashScreenService *)[UMModuleRegistryProvider getSingletonModuleForClass:[EXSplashScreenService class]];
-  [splashScreenService showSplashScreenFor:self.window.rootViewController];
-}
-
-@end
--- a/ios/basicbarcodescannerusage/Base.lproj/LaunchScreen.xib
+++ b/ios/basicbarcodescannerusage/Base.lproj/LaunchScreen.xib
@ -1,42 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="7702" systemVersion="14D136" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES">
-    <dependencies>
-        <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="7701"/>
-        <capability name="Constraints with non-1.0 multipliers" minToolsVersion="5.1"/>
-    </dependencies>
-    <objects>
-        <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner"/>
-        <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
-        <view contentMode="scaleToFill" id="iN0-l3-epB">
-            <rect key="frame" x="0.0" y="0.0" width="480" height="480"/>
-            <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-            <subviews>
-                <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Powered by React Native" textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumFontSize="9" translatesAutoresizingMaskIntoConstraints="NO" id="8ie-xW-0ye">
-                    <rect key="frame" x="20" y="439" width="441" height="21"/>
-                    <fontDescription key="fontDescription" type="system" pointSize="17"/>
-                    <color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
-                    <nil key="highlightedColor"/>
-                </label>
-                <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="basicbarcodescannerusage" textAlignment="center" lineBreakMode="middleTruncation" baselineAdjustment="alignBaselines" minimumFontSize="18" translatesAutoresizingMaskIntoConstraints="NO" id="kId-c2-rCX">
-                    <rect key="frame" x="20" y="140" width="441" height="43"/>
-                    <fontDescription key="fontDescription" type="boldSystem" pointSize="36"/>
-                    <color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
-                    <nil key="highlightedColor"/>
-                </label>
-            </subviews>
-            <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
-            <constraints>
-                <constraint firstItem="kId-c2-rCX" firstAttribute="centerY" secondItem="iN0-l3-epB" secondAttribute="bottom" multiplier="1/3" constant="1" id="5cJ-9S-tgC"/>
-                <constraint firstAttribute="centerX" secondItem="kId-c2-rCX" secondAttribute="centerX" id="Koa-jz-hwk"/>
-                <constraint firstAttribute="bottom" secondItem="8ie-xW-0ye" secondAttribute="bottom" constant="20" id="Kzo-t9-V3l"/>
-                <constraint firstItem="8ie-xW-0ye" firstAttribute="leading" secondItem="iN0-l3-epB" secondAttribute="leading" constant="20" symbolic="YES" id="MfP-vx-nX0"/>
-                <constraint firstAttribute="centerX" secondItem="8ie-xW-0ye" secondAttribute="centerX" id="ZEH-qu-HZ9"/>
-                <constraint firstItem="kId-c2-rCX" firstAttribute="leading" secondItem="iN0-l3-epB" secondAttribute="leading" constant="20" symbolic="YES" id="fvb-Df-36g"/>
-            </constraints>
-            <nil key="simulatedStatusBarMetrics"/>
-            <freeformSimulatedSizeMetrics key="simulatedDestinationMetrics"/>
-            <point key="canvasLocation" x="548" y="455"/>
-        </view>
-    </objects>
-</document>
--- a/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/App-Icon-20x20@1x.png
+++ b/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/App-Icon-20x20@1x.png
--- a/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/App-Icon-20x20@2x.png
+++ b/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/App-Icon-20x20@2x.png
--- a/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/App-Icon-20x20@3x.png
+++ b/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/App-Icon-20x20@3x.png
--- a/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/App-Icon-29x29@1x.png
+++ b/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/App-Icon-29x29@1x.png
--- a/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/App-Icon-29x29@2x.png
+++ b/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/App-Icon-29x29@2x.png
--- a/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/App-Icon-29x29@3x.png
+++ b/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/App-Icon-29x29@3x.png
--- a/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/App-Icon-40x40@1x.png
+++ b/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/App-Icon-40x40@1x.png
--- a/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/App-Icon-40x40@2x.png
+++ b/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/App-Icon-40x40@2x.png
--- a/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/App-Icon-40x40@3x.png
+++ b/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/App-Icon-40x40@3x.png
--- a/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/App-Icon-60x60@2x.png
+++ b/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/App-Icon-60x60@2x.png
--- a/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/App-Icon-60x60@3x.png
+++ b/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/App-Icon-60x60@3x.png
--- a/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/App-Icon-76x76@1x.png
+++ b/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/App-Icon-76x76@1x.png
--- a/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/App-Icon-76x76@2x.png
+++ b/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/App-Icon-76x76@2x.png
--- a/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/App-Icon-83.5x83.5@2x.png
+++ b/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/App-Icon-83.5x83.5@2x.png
--- a/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/Contents.json
+++ b/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/Contents.json
@ -1,122 +0,0 @@
-{
-  "images": [
-    {
-      "idiom": "iphone",
-      "size": "20x20",
-      "scale": "2x",
-      "filename": "App-Icon-20x20@2x.png"
-    },
-    {
-      "idiom": "iphone",
-      "size": "20x20",
-      "scale": "3x",
-      "filename": "App-Icon-20x20@3x.png"
-    },
-    {
-      "idiom": "iphone",
-      "size": "29x29",
-      "scale": "1x",
-      "filename": "App-Icon-29x29@1x.png"
-    },
-    {
-      "idiom": "iphone",
-      "size": "29x29",
-      "scale": "2x",
-      "filename": "App-Icon-29x29@2x.png"
-    },
-    {
-      "idiom": "iphone",
-      "size": "29x29",
-      "scale": "3x",
-      "filename": "App-Icon-29x29@3x.png"
-    },
-    {
-      "idiom": "iphone",
-      "size": "40x40",
-      "scale": "2x",
-      "filename": "App-Icon-40x40@2x.png"
-    },
-    {
-      "idiom": "iphone",
-      "size": "40x40",
-      "scale": "3x",
-      "filename": "App-Icon-40x40@3x.png"
-    },
-    {
-      "idiom": "iphone",
-      "size": "60x60",
-      "scale": "2x",
-      "filename": "App-Icon-60x60@2x.png"
-    },
-    {
-      "idiom": "iphone",
-      "size": "60x60",
-      "scale": "3x",
-      "filename": "App-Icon-60x60@3x.png"
-    },
-    {
-      "idiom": "ipad",
-      "size": "20x20",
-      "scale": "1x",
-      "filename": "App-Icon-20x20@1x.png"
-    },
-    {
-      "idiom": "ipad",
-      "size": "20x20",
-      "scale": "2x",
-      "filename": "App-Icon-20x20@2x.png"
-    },
-    {
-      "idiom": "ipad",
-      "size": "29x29",
-      "scale": "1x",
-      "filename": "App-Icon-29x29@1x.png"
-    },
-    {
-      "idiom": "ipad",
-      "size": "29x29",
-      "scale": "2x",
-      "filename": "App-Icon-29x29@2x.png"
-    },
-    {
-      "idiom": "ipad",
-      "size": "40x40",
-      "scale": "1x",
-      "filename": "App-Icon-40x40@1x.png"
-    },
-    {
-      "idiom": "ipad",
-      "size": "40x40",
-      "scale": "2x",
-      "filename": "App-Icon-40x40@2x.png"
-    },
-    {
-      "idiom": "ipad",
-      "size": "76x76",
-      "scale": "1x",
-      "filename": "App-Icon-76x76@1x.png"
-    },
-    {
-      "idiom": "ipad",
-      "size": "76x76",
-      "scale": "2x",
-      "filename": "App-Icon-76x76@2x.png"
-    },
-    {
-      "idiom": "ipad",
-      "size": "83.5x83.5",
-      "scale": "2x",
-      "filename": "App-Icon-83.5x83.5@2x.png"
-    },
-    {
-      "idiom": "ios-marketing",
-      "size": "1024x1024",
-      "scale": "1x",
-      "filename": "ItunesArtwork@2x.png"
-    }
-  ],
-  "info": {
-    "version": 1,
-    "author": "expo"
-  }
-}
--- a/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/ItunesArtwork@2x.png
+++ b/ios/basicbarcodescannerusage/Images.xcassets/AppIcon.appiconset/ItunesArtwork@2x.png
--- a/ios/basicbarcodescannerusage/Images.xcassets/Contents.json
+++ b/ios/basicbarcodescannerusage/Images.xcassets/Contents.json
@ -1,6 +0,0 @@
-{
-  "info" : {
-    "version" : 1,
-    "author" : "xcode"
-  }
-}
--- a/ios/basicbarcodescannerusage/Images.xcassets/SplashScreen.imageset/Contents.json
+++ b/ios/basicbarcodescannerusage/Images.xcassets/SplashScreen.imageset/Contents.json
@ -1,21 +0,0 @@
-{
-  "images": [
-    {
-      "idiom": "universal",
-      "filename": "splashscreen.png",
-      "scale": "1x"
-    },
-    {
-      "idiom": "universal",
-      "scale": "2x"
-    },
-    {
-      "idiom": "universal",
-      "scale": "3x"
-    }
-  ],
-  "info": {
-    "version": 1,
-    "author": "xcode"
-  }
-}
--- a/ios/basicbarcodescannerusage/Images.xcassets/SplashScreen.imageset/splashscreen.png
+++ b/ios/basicbarcodescannerusage/Images.xcassets/SplashScreen.imageset/splashscreen.png
--- a/ios/basicbarcodescannerusage/Images.xcassets/SplashScreenBackground.imageset/Contents.json
+++ b/ios/basicbarcodescannerusage/Images.xcassets/SplashScreenBackground.imageset/Contents.json
@ -1,21 +0,0 @@
-{
-  "images": [
-    {
-      "idiom": "universal",
-      "filename": "background.png",
-      "scale": "1x"
-    },
-    {
-      "idiom": "universal",
-      "scale": "2x"
-    },
-    {
-      "idiom": "universal",
-      "scale": "3x"
-    }
-  ],
-  "info": {
-    "version": 1,
-    "author": "xcode"
-  }
-}
--- a/ios/basicbarcodescannerusage/Images.xcassets/SplashScreenBackground.imageset/background.png
+++ b/ios/basicbarcodescannerusage/Images.xcassets/SplashScreenBackground.imageset/background.png
--- a/ios/basicbarcodescannerusage/Info.plist
+++ b/ios/basicbarcodescannerusage/Info.plist
@ -1,69 +0,0 @@
-<?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>CFBundleDevelopmentRegion</key>
-    <string>en</string>
-    <key>CFBundleDisplayName</key>
-    <string>basic-barcodescanner-usage</string>
-    <key>CFBundleExecutable</key>
-    <string>$(EXECUTABLE_NAME)</string>
-    <key>CFBundleIdentifier</key>
-    <string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
-    <key>CFBundleInfoDictionaryVersion</key>
-    <string>6.0</string>
-    <key>CFBundleName</key>
-    <string>$(PRODUCT_NAME)</string>
-    <key>CFBundlePackageType</key>
-    <string>APPL</string>
-    <key>CFBundleShortVersionString</key>
-    <string>1.0.0</string>
-    <key>CFBundleSignature</key>
-    <string>????</string>
-    <key>CFBundleVersion</key>
-    <string>1</string>
-    <key>LSRequiresIPhoneOS</key>
-    <true/>
-    <key>NSAppTransportSecurity</key>
-    <dict>
-      <key>NSAllowsArbitraryLoads</key>
-      <true/>
-      <key>NSExceptionDomains</key>
-      <dict>
-        <key>localhost</key>
-        <dict>
-          <key>NSExceptionAllowsInsecureHTTPLoads</key>
-          <true/>
-        </dict>
-      </dict>
-    </dict>
-    <key>NSLocationWhenInUseUsageDescription</key>
-    <string/>
-    <key>UILaunchStoryboardName</key>
-    <string>SplashScreen</string>
-    <key>UIRequiredDeviceCapabilities</key>
-    <array>
-      <string>armv7</string>
-    </array>
-    <key>UISupportedInterfaceOrientations</key>
-    <array>
-      <string>UIInterfaceOrientationPortrait</string>
-      <string>UIInterfaceOrientationPortraitUpsideDown</string>
-    </array>
-    <key>UIViewControllerBasedStatusBarAppearance</key>
-    <false/>
-    <key>UIStatusBarStyle</key>
-    <string>UIStatusBarStyleDefault</string>
-    <key>UIRequiresFullScreen</key>
-    <true/>
-    <key>CFBundleURLTypes</key>
-    <array>
-      <dict>
-        <key>CFBundleURLSchemes</key>
-        <array>
-          <string>edu.virginia.covid19.kiosk</string>
-        </array>
-      </dict>
-    </array>
-  </dict>
-</plist>
--- a/ios/basicbarcodescannerusage/SplashScreen.storyboard
+++ b/ios/basicbarcodescannerusage/SplashScreen.storyboard
@ -1,91 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<document
-  type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB"
-  version="3.0"
-  toolsVersion="16096"
-  targetRuntime="iOS.CocoaTouch"
-  propertyAccessControl="none"
-  useAutolayout="YES"
-  launchScreen="YES"
-  useTraitCollections="YES"
-  useSafeAreas="YES"
-  colorMatched="YES"
-  initialViewController="EXPO-VIEWCONTROLLER-1"
->
-  <device id="retina5_5" orientation="portrait" appearance="light"/>
-  <dependencies>
-    <deployment identifier="iOS"/>
-    <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="16087"/>
-    <capability name="Safe area layout guides" minToolsVersion="9.0"/>
-    <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
-  </dependencies>
-  <scenes>
-    <!--View Controller-->
-    <scene sceneID="EXPO-SCENE-1">
-      <objects>
-        <viewController
-          storyboardIdentifier="SplashScreenViewController"
-          id="EXPO-VIEWCONTROLLER-1"
-          sceneMemberID="viewController"
-        >
-          <view
-            key="view"
-            userInteractionEnabled="NO"
-            contentMode="scaleToFill"
-            insetsLayoutMarginsFromSafeArea="NO"
-            id="EXPO-ContainerView"
-            userLabel="ContainerView"
-          >
-            <rect key="frame" x="0.0" y="0.0" width="414" height="736"/>
-            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
-            <subviews>
-              <imageView
-                userInteractionEnabled="NO"
-                contentMode="scaleAspectFill"
-                horizontalHuggingPriority="251"
-                verticalHuggingPriority="251"
-                insetsLayoutMarginsFromSafeArea="NO"
-                image="SplashScreenBackground"
-                translatesAutoresizingMaskIntoConstraints="NO"
-                id="EXPO-SplashScreenBackground"
-                userLabel="SplashScreenBackground"
-              >
-                <rect key="frame" x="0.0" y="0.0" width="414" height="736"/>
-              </imageView>
-              <imageView
-                clipsSubviews="YES"
-                userInteractionEnabled="NO"
-                contentMode="scaleAspectFit"
-                horizontalHuggingPriority="251"
-                verticalHuggingPriority="251"
-                translatesAutoresizingMaskIntoConstraints="NO"
-                image="SplashScreen"
-                id="EXPO-SplashScreen"
-                userLabel="SplashScreen"
-              >
-                <rect key="frame" x="0.0" y="0.0" width="414" height="736"/>
-              </imageView>
-            </subviews>
-            <constraints>
-              <constraint firstItem="EXPO-SplashScreenBackground" firstAttribute="top" secondItem="EXPO-ContainerView" secondAttribute="top" id="1gX-mQ-vu6"/>
-              <constraint firstItem="EXPO-SplashScreenBackground" firstAttribute="leading" secondItem="EXPO-ContainerView" secondAttribute="leading" id="6tX-OG-Sck"/>
-              <constraint firstItem="EXPO-SplashScreenBackground" firstAttribute="trailing" secondItem="EXPO-ContainerView" secondAttribute="trailing" id="ABX-8g-7v4"/>
-              <constraint firstItem="EXPO-SplashScreenBackground" firstAttribute="bottom" secondItem="EXPO-ContainerView" secondAttribute="bottom" id="jkI-2V-eW5"/>
-              <constraint firstItem="EXPO-SplashScreen" firstAttribute="top" secondItem="EXPO-ContainerView" secondAttribute="top" id="2VS-Uz-0LU"/>
-              <constraint firstItem="EXPO-SplashScreen" firstAttribute="leading" secondItem="EXPO-ContainerView" secondAttribute="leading" id="LhH-Ei-DKo"/>
-              <constraint firstItem="EXPO-SplashScreen" firstAttribute="trailing" secondItem="EXPO-ContainerView" secondAttribute="trailing" id="I6l-TP-6fn"/>
-              <constraint firstItem="EXPO-SplashScreen" firstAttribute="bottom" secondItem="EXPO-ContainerView" secondAttribute="bottom" id="nbp-HC-eaG"/>
-            </constraints>
-            <viewLayoutGuide key="safeArea" id="Rmq-lb-GrQ"/>
-          </view>
-        </viewController>
-        <placeholder placeholderIdentifier="IBFirstResponder" id="EXPO-PLACEHOLDER-1" userLabel="First Responder" sceneMemberID="firstResponder"/>
-      </objects>
-      <point key="canvasLocation" x="140.625" y="129.4921875"/>
-    </scene>
-  </scenes>
-  <resources>
-    <image name="SplashScreen" width="414" height="736"/>
-    <image name="SplashScreenBackground" width="1" height="1"/>
-  </resources>
-</document>
--- a/ios/basicbarcodescannerusage/Supporting/Expo.plist
+++ b/ios/basicbarcodescannerusage/Supporting/Expo.plist
@ -1,16 +0,0 @@
-<?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>EXUpdatesSDKVersion</key>
-    <string>38.0.0</string>
-    <key>EXUpdatesURL</key>
-    <string>https://exp.host/@ajlouie/snack-6383e687-6d8f-4a9c-8e6f-12e1e4e00c81</string>
-    <key>EXUpdatesEnabled</key>
-    <true/>
-    <key>EXUpdatesCheckOnLaunch</key>
-    <string>ALWAYS</string>
-    <key>EXUpdatesLaunchWaitMs</key>
-    <integer>0</integer>
-  </dict>
-</plist>
--- a/ios/basicbarcodescannerusage/kiosk.entitlements
+++ b/ios/basicbarcodescannerusage/kiosk.entitlements
@ -1,5 +0,0 @@
-<?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/>
-</plist>
--- a/ios/basicbarcodescannerusage/main.m
+++ b/ios/basicbarcodescannerusage/main.m
@ -1,10 +0,0 @@
-#import <UIKit/UIKit.h>
-
-#import "AppDelegate.h"
-
-int main(int argc, char * argv[]) {
-  @autoreleasepool {
-    return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
-  }
-}
-
--- a/metro.config.js
+++ b/metro.config.js
@ -1,6 +0,0 @@
-module.exports = {
-  transformer: {
-    assetPlugins: ['expo-asset/tools/hashAssetFiles'],
-  },
-  watchFolders: ['.vscode']
-};
--- a/models/BarcodeScannerAppState.tsx
+++ b/models/BarcodeScannerAppState.tsx
@ -0,0 +1,9 @@
+export enum BarcodeScannerAppState {
+  INITIAL = 'INITIAL',
+  DEFAULT = 'DEFAULT',
+  SCANNING = 'SCANNING',
+  SCANNED = 'SCANNED',
+  PRINTING = 'PRINTING',
+  PRINTED = 'PRINTED',
+  ERROR = 'ERROR',
+}
--- a/models/ElementProps.tsx
+++ b/models/ElementProps.tsx
@ -0,0 +1,28 @@
+import {BarCodeScannedCallback} from 'expo-barcode-scanner';
+import {BarcodeScannerAppState} from './BarcodeScannerAppState';
+
+export interface ElementProps {
+  title?: string;
+}
+
+export interface StateProps extends ElementProps {
+  appState: BarcodeScannerAppState;
+}
+
+export interface BarCodeProps extends ElementProps {
+  id: string;
+  date: Date;
+  location: string;
+}
+
+export interface ButtonProps extends ElementProps {
+  onClicked: () => void;
+}
+
+export interface ScannerProps extends ElementProps {
+  onScanned: BarCodeScannedCallback;
+}
+
+export interface PrintingProps extends ElementProps {
+  onCancel: () => void;
+}
--- a/package-lock.json
+++ b/package-lock.json
--- a/package.json
+++ b/package.json
@ -1,42 +1,29 @@
 {
-  "name": "uva-covid19-testing-kiosk",
-  "version": "1.0.0",
-  "private": true,
+  "main": "node_modules/expo/AppEntry.js",
  "scripts": {
-    "start": "react-native start",
-    "android": "react-native run-android",
-    "ios": "react-native run-ios",
-    "web": "expo start --web"
+    "start": "expo start",
+    "android": "expo start --android",
+    "ios": "expo start --ios",
+    "web": "expo start --web",
+    "eject": "expo eject"
  },
  "dependencies": {
-    "expo": "^38.0.9",
+    "@react-native-community/art": "^1.2.0",
+    "expo": "~38.0.8",
    "expo-barcode-scanner": "~8.2.1",
-    "expo-splash-screen": "^0.3.1",
-    "expo-status-bar": "^1.0.0",
-    "expo-updates": "~0.2.8",
-    "react": "16.13.1",
-    "react-dom": "^16.13.1",
-    "react-native": "0.62.2",
-    "react-native-barcode-builder": "^2.0.0",
-    "react-native-gesture-handler": "~1.6.0",
-    "react-native-reanimated": "~1.9.0",
-    "react-native-screens": "~2.9.0",
-    "react-native-unimodules": "^0.10.1",
-    "react-native-web": "^0.13.9"
+    "expo-status-bar": "^1.0.2",
+    "jsbarcode": "^3.11.0",
+    "react": "~16.11.0",
+    "react-dom": "~16.11.0",
+    "react-native": "https://github.com/expo/react-native/archive/sdk-38.0.2.tar.gz",
+    "react-native-barcode-builder": "github:cdesch/react-native-barcode-builder#master",
+    "react-native-web": "~0.11.7"
  },
  "devDependencies": {
-    "@babel/core": "7.11.4",
-    "@babel/runtime": "7.11.2",
-    "@react-native-community/eslint-config": "1.1.0",
-    "@types/react-native": "^0.63.11",
-    "babel-jest": "25.5.1",
-    "eslint": "6.8.0",
-    "jest": "25.5.4",
-    "metro-react-native-babel-preset": "0.59.0",
-    "react-test-renderer": "16.13.1",
-    "typescript": "^4.0.2"
+    "@babel/core": "^7.8.6",
+    "@types/react": "~16.9.41",
+    "@types/react-native": "~0.62.13",
+    "typescript": "~3.9.5"
  },
-  "jest": {
-    "preset": "react-native"
-  }
+  "private": true
 }
--- a/tsconfig.json
+++ b/tsconfig.json
@ -0,0 +1,12 @@
+{
+  "compilerOptions": {
+    "allowSyntheticDefaultImports": true,
+    "jsx": "react-native",
+    "lib": ["dom", "esnext"],
+    "moduleResolution": "node",
+    "noEmit": true,
+    "skipLibCheck": true,
+    "resolveJsonModule": true,
+    "strict": true
+  }
+}