subindo aplicacao de lanterna desenvolvida em bootcamp DIO

App.js

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+import React, {useState, useEffect} from "react";
+import { View, StyleSheet, Image, TouchableOpacity, Alert } from "react-native";
+import dioLogoBranca from './assets/icons/logo-dio-white.png';
+import dioLogoNormal from './assets/icons/logo-dio.png';
+import Torch from "react-native-torch";
+import RNShake from 'react-native-shake';
+
+const App = () => {
+  const [toggle, settoggle] = useState(false);
+
+
+  const handleChangeToggle = () => {settoggle(((oldToggle) => !oldToggle))};
+
+
+  useEffect(() => { 
+    Torch.switchState(toggle);
+  }, [toggle]);
+
+  useEffect(() => {
+
+    const subscription = RNShake.addListener(() => settoggle(((oldToggle) => !oldToggle)));
+
+
+    return () => subscription.remove();
+
+  }, [])
+  // modelando os dois jeitos de importar imagens
+  return  <View style={toggle ? style.containerLight : style.container}> 
+            <TouchableOpacity onPress={handleChangeToggle}>
+              <Image 
+                style = {toggle ? style.litghtingOn : style.litghtingOff }
+                source= {toggle ? require('./assets/icons/eco-light.png') : require('./assets/icons/eco-light-off.png')}
+              />
+              <Image 
+                style = { style.dioLogo }
+                source= {toggle ? dioLogoNormal : dioLogoBranca}
+              />                   
+            </TouchableOpacity>
+          </View>;
+}
+
+export default App;
+
+const style = StyleSheet.create({
+  container: {
+    flex:1,
+    backgroundColor: 'black',
+    alignItems: 'center',
+    justifyContent: 'center',
+  },
+  containerLight: {
+    flex:1,
+    backgroundColor: 'white',
+    alignItems: 'center',
+    justifyContent: 'center',
+  },
+  lanternaAcesa: {
+    resizeMode: 'contain',
+    alignSelf: 'center',
+    width: 150,
+    height: 150
+  },
+  lanternaDesligada: {
+    resizeMode: 'contain',
+    alignSelf: 'center',
+    width: 150,
+    height: 150,
+    tintColor: 'white'
+  },
+  dioLogo: {
+    resizeMode: 'contain',
+    alignSelf: 'center',
+    width: 250,
+    height: 250,
+  }  
+});

Gemfile

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+source 'https://rubygems.org'
+
+# You may use http://rbenv.org/ or https://rvm.io/ to install and use this version
+ruby '2.7.5'
+
+gem 'cocoapods', '~> 1.11', '>= 1.11.2'

__tests__/App-test.js

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+/**
+ * @format
+ */
+
+import 'react-native';
+import React from 'react';
+import App from '../App';
+
+// Note: test renderer must be required after react-native.
+import renderer from 'react-test-renderer';
+
+it('renders correctly', () => {
+  renderer.create(<App />);
+});

android/app/_BUCK

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+# 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 = "com.dioflashlight",
+)
+
+android_resource(
+    name = "res",
+    package = "com.dioflashlight",
+    res = "src/main/res",
+)
+
+android_binary(
+    name = "app",
+    keystore = "//android/keystores:debug",
+    manifest = "src/main/AndroidManifest.xml",
+    package_type = "debug",
+    deps = [
+        ":app-code",
+    ],
+)