add sample

android/build.gradle

     implementation "com.facebook.react:react-native:+"
     implementation fileTree(dir: 'libs', include: ['*.jar'])
 }
+
+configurations.all {
+    exclude group: 'com.facebook.react', module: 'react-native'
+}

samples/simpleDemo/.babelrc

+{
+  "presets": ["module:metro-react-native-babel-preset"]
+}

samples/simpleDemo/.buckconfig

+
+[android]
+  target = Google Inc.:Google APIs:23
+
+[maven_repositories]
+  central = https://repo1.maven.org/maven2

samples/simpleDemo/.flowconfig

+[ignore]
+; We fork some components by platform
+.*/*[.]android.js
+
+; Ignore "BUCK" generated dirs
+<PROJECT_ROOT>/\.buckd/
+
+; Ignore unexpected extra "@providesModule"
+.*/node_modules/.*/node_modules/fbjs/.*
+
+; Ignore duplicate module providers
+; For RN Apps installed via npm, "Libraries" folder is inside
+; "node_modules/react-native" but in the source repo it is in the root
+.*/Libraries/react-native/React.js
+
+; Ignore polyfills
+.*/Libraries/polyfills/.*
+
+; Ignore metro
+.*/node_modules/metro/.*
+
+[include]
+
+[libs]
+node_modules/react-native/Libraries/react-native/react-native-interface.js
+node_modules/react-native/flow/
+node_modules/react-native/flow-github/
+
+[options]
+emoji=true
+
+esproposal.optional_chaining=enable
+esproposal.nullish_coalescing=enable
+
+module.system=haste
+module.system.haste.use_name_reducers=true
+# get basename
+module.system.haste.name_reducers='^.*/\([a-zA-Z0-9$_.-]+\.js\(\.flow\)?\)$' -> '\1'
+# strip .js or .js.flow suffix
+module.system.haste.name_reducers='^\(.*\)\.js\(\.flow\)?$' -> '\1'
+# strip .ios suffix
+module.system.haste.name_reducers='^\(.*\)\.ios$' -> '\1'
+module.system.haste.name_reducers='^\(.*\)\.android$' -> '\1'
+module.system.haste.name_reducers='^\(.*\)\.native$' -> '\1'
+module.system.haste.paths.blacklist=.*/__tests__/.*
+module.system.haste.paths.blacklist=.*/__mocks__/.*
+module.system.haste.paths.blacklist=<PROJECT_ROOT>/node_modules/react-native/Libraries/Animated/src/polyfills/.*
+module.system.haste.paths.whitelist=<PROJECT_ROOT>/node_modules/react-native/Libraries/.*
+
+munge_underscores=true
+
+module.name_mapper='^[./a-zA-Z0-9$_-]+\.\(bmp\|gif\|jpg\|jpeg\|png\|psd\|svg\|webp\|m4v\|mov\|mp4\|mpeg\|mpg\|webm\|aac\|aiff\|caf\|m4a\|mp3\|wav\|html\|pdf\)$' -> 'RelativeImageStub'
+
+module.file_ext=.js
+module.file_ext=.jsx
+module.file_ext=.json
+module.file_ext=.native.js
+
+suppress_type=$FlowIssue
+suppress_type=$FlowFixMe
+suppress_type=$FlowFixMeProps
+suppress_type=$FlowFixMeState
+
+suppress_comment=\\(.\\|\n\\)*\\$FlowFixMe\\($\\|[^(]\\|(\\(<VERSION>\\)? *\\(site=[a-z,_]*react_native[a-z,_]*\\)?)\\)
+suppress_comment=\\(.\\|\n\\)*\\$FlowIssue\\((\\(<VERSION>\\)? *\\(site=[a-z,_]*react_native[a-z,_]*\\)?)\\)?:? #[0-9]+
+suppress_comment=\\(.\\|\n\\)*\\$FlowFixedInNextDeploy
+suppress_comment=\\(.\\|\n\\)*\\$FlowExpectedError
+
+[version]
+^0.78.0

samples/simpleDemo/.gitattributes

+*.pbxproj -text

samples/simpleDemo/.gitignore

+# OSX
+#
+.DS_Store
+
+# Xcode
+#
+build/
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
+xcuserdata
+*.xccheckout
+*.moved-aside
+DerivedData
+*.hmap
+*.ipa
+*.xcuserstate
+project.xcworkspace
+
+# Android/IntelliJ
+#
+build/
+.idea
+.gradle
+local.properties
+*.iml
+
+# node.js
+#
+node_modules/
+npm-debug.log
+yarn-error.log
+
+# BUCK
+buck-out/
+\.buckd/
+*.keystore
+
+# fastlane
+#
+# It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the
+# screenshots whenever they are needed.
+# For more information about the recommended setup visit:
+# https://docs.fastlane.tools/best-practices/source-control/
+
+*/fastlane/report.xml
+*/fastlane/Preview.html
+*/fastlane/screenshots
+
+# Bundle artifact
+*.jsbundle

samples/simpleDemo/.watchmanconfig

+{}

samples/simpleDemo/App.js

+/**
+ * Sample React Native App
+ * https://github.com/facebook/react-native
+ *
+ * @format
+ * @flow
+ */
+
+import React, {Component} from 'react';
+import {
+  Platform, StyleSheet, Text, View, TouchableOpacity, TextInput
+} from 'react-native';
+import AgoraRTCView from './components/agora';
+
+const instructions = Platform.select({
+  ios: 'Press Cmd+R to reload,\n' + 'Cmd+D or shake for dev menu',
+  android:
+    'Double tap R on your keyboard to reload,\n' +
+    'Shake or press menu button for dev menu',
+});
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    justifyContent: 'center',
+    alignItems: 'center',
+    backgroundColor: '#F5FCFF',
+  },
+  welcome: {
+    fontSize: 20,
+    textAlign: 'center',
+    margin: 10,
+  },
+  instructions: {
+    textAlign: 'center',
+    color: '#333333',
+    marginBottom: 5,
+  },
+  button: {
+    height: 44,
+    paddingHorizontal:20,
+    backgroundColor:'#6A71DD',
+    borderRadius:10,
+    justifyContent:'center',
+    alignItems:'center',
+    marginTop: 10
+  }
+});
+
+type Props = {};
+export default class App extends Component<Props> {
+  constructor(props) {
+    super(props);
+    this.state = {
+      showLive: false,
+      error: undefined,
+      channelProfile: 1,
+      videoProfile: 40,
+      clientRole: 1,
+      swapWidthAndHeight: true
+    };
+  }
+
+  joinChannel = () => {
+    this.setState({
+      showLive: true
+    })
+  }
+
+  onCancel = (error) => {
+    console.log("[error]", error);
+    this.setState({
+      showLive: false,
+      error
+    })
+  }
+
+  render() {
+    if (this.state.showLive) {
+      return (<AgoraRTCView
+        onCancel={this.onCancel}
+        channelProfile={this.state.channelProfile}
+        videoProfile={this.state.videoProfile}
+        clientRole={this.state.clientRole}
+        swapWidthAndHeight={this.state.swapWidthAndHeight}
+      ></AgoraRTCView>);
+    }
+    return (
+      <View style={styles.container}>
+        {this.state.error && <Text>Error Message: {error}</Text>}
+        <TextInput
+          style={{height: 40}}
+          keyboardType='numeric'
+          placeholder="Enter channelProfile (numeric)"
+          onChangeText={(text) => {
+            let matched = text.match(/\d+/g) && text.match(/\d+/g)[0]
+            if (matched) {
+              this.setState({channelProfile: +matched})
+            }
+          }
+        } />
+        <TextInput
+          style={{height: 40}}
+          keyboardType='numeric'
+          placeholder="Enter videoProfile (numeric)"
+          onChangeText={(text) => {
+            let matched = text.match(/\d+/g) && text.match(/\d+/g)[0]
+            if (matched) {
+              this.setState({videoProfile: +matched})
+            }          }
+        } />
+        <TextInput
+          style={{height: 40}}
+          keyboardType='numeric'
+          placeholder="Enter clientRole (numeric)"
+          onChangeText={(text) => {
+            let matched = text.match(/\d+/g) && text.match(/\d+/g)[0]
+            if (matched) {
+              this.setState({clientRole: +matched})
+            }          }
+        } />
+        <TouchableOpacity
+          style={styles.button}
+          onPress={this.joinChannel}
+        >
+          <Text style={{color: "#fff"}}>join room</Text>
+        </TouchableOpacity>
+      </View>
+    );
+  }
+}

samples/simpleDemo/README.md

+# Android Setup
+
+## Prerequisites
+  * You should installed and linked `react-native-agora`
+  * Android Studio
+  * Android SDK
+  * Reliable USB Cable
+  * Android Device
+
+## Build
+  ```bash
+  adb reverse tcp:8081 tcp:8081
+  adb reverse tcp:8097 tcp:8097
+  npm install
+  npm run android
+  ```
+
+
+# iOS Setup
+
+## Prerequisites
+  * You should installed and linked `react-native-agora`
+  * Xcode 10.0+
+  * iOS Device
+  * Reliable iOS Device Cable
+
+## Build
+  ```bash
+  npm install
+  npm run ios
+  ```

samples/simpleDemo/README.zh.md

+# [中文版本](./README.zh.md)
+
+# 构建 Android APK
+
+## 依赖以下环境
+  * linked `react-native-agora`
+  * Android Studio
+  * Android SDK
+  * Reliable USB Cable
+  * Android Device
+
+## Build
+  ```bash
+  adb reverse tcp:8081 tcp:8081
+  adb reverse tcp:8097 tcp:8097
+  npm install
+  npm run android
+  ```
+
+
+# iOS Setup
+
+## Prerequisites
+  * You should installed and linked `react-native-agora`
+  * Xcode 10.0+
+  * iOS Device
+  * Reliable iOS Device Cable
+
+## Build
+  ```bash
+  npm install
+  npm run ios
+  ```

samples/simpleDemo/android/app/BUCK

+# 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
+#
+
+lib_deps = []
+
+for jarfile in glob(['libs/*.jar']):
+  name = 'jars__' + jarfile[jarfile.rindex('/') + 1: jarfile.rindex('.jar')]
+  lib_deps.append(':' + name)
+  prebuilt_jar(
+    name = name,
+    binary_jar = jarfile,
+  )
+
+for aarfile in glob(['libs/*.aar']):
+  name = 'aars__' + aarfile[aarfile.rindex('/') + 1: aarfile.rindex('.aar')]
+  lib_deps.append(':' + name)
+  android_prebuilt_aar(
+    name = name,
+    aar = aarfile,
+  )
+
+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.simpledemo",
+)
+
+android_resource(
+    name = "res",
+    package = "com.simpledemo",
+    res = "src/main/res",
+)
+
+android_binary(
+    name = "app",
+    keystore = "//android/keystores:debug",
+    manifest = "src/main/AndroidManifest.xml",
+    package_type = "debug",
+    deps = [
+        ":app-code",
+    ],
+)

samples/simpleDemo/android/app/build.gradle

+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
+ *   entryFile: "index.android.js",
+ *
+ *   // 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 = [
+    entryFile: "index.js"
+]
+
+apply from: "../../node_modules/react-native/react.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
+
+android {
+    compileSdkVersion rootProject.ext.compileSdkVersion
+    buildToolsVersion rootProject.ext.buildToolsVersion
+
+    defaultConfig {
+        applicationId "com.simpledemo"
+        minSdkVersion rootProject.ext.minSdkVersion
+        targetSdkVersion rootProject.ext.targetSdkVersion
+        versionCode 1
+        versionName "1.0"
+        ndk {
+            abiFilters "armeabi-v7a", "x86"
+        }
+    }
+    splits {
+        abi {
+            reset()
+            enable enableSeparateBuildPerCPUArchitecture
+            universalApk false  // If true, also generate a universal APK
+            include "armeabi-v7a", "x86"
+        }
+    }
+    buildTypes {
+        release {
+            minifyEnabled enableProguardInReleaseBuilds
+            proguardFiles getDefaultProguardFile("proguard-android.txt"), "proguard-rules.pro"
+        }
+    }
+    // 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:
+            // http://tools.android.com/tech-docs/new-build-system/user-guide/apk-splits
+            def versionCodes = ["armeabi-v7a":1, "x86":2]
+            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 {
+    compile project(':react-native-agora')
+    implementation fileTree(dir: "libs", include: ["*.jar"])
+    implementation "com.android.support:appcompat-v7:${rootProject.ext.supportLibVersion}"
+    implementation "com.facebook.react:react-native:+"  // From node_modules
+}
+
+// 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'
+}

samples/simpleDemo/android/app/proguard-rules.pro

+# 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:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}

samples/simpleDemo/android/app/src/main/AndroidManifest.xml

+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.simpledemo">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW"/>
+
+    <application
+      android:name=".MainApplication"
+      android:label="@string/app_name"
+      android:icon="@mipmap/ic_launcher"
+      android:allowBackup="true"
+      android:theme="@style/AppTheme">
+      <activity
+        android:name=".MainActivity"
+        android:label="@string/app_name"
+        android:configChanges="keyboard|keyboardHidden|orientation|screenSize"
+        android:windowSoftInputMode="adjustResize">
+        <intent-filter>
+            <action android:name="android.intent.action.MAIN" />
+            <category android:name="android.intent.category.LAUNCHER" />
+        </intent-filter>
+      </activity>
+      <activity android:name="com.facebook.react.devsupport.DevSettingsActivity" />
+    </application>
+
+</manifest>

samples/simpleDemo/android/app/src/main/java/com/simpledemo/MainActivity.java

+package com.simpledemo;
+
+import com.facebook.react.ReactActivity;
+
+public class MainActivity extends ReactActivity {
+
+    /**
+     * Returns the name of the main component registered from JavaScript.
+     * This is used to schedule rendering of the component.
+     */
+    @Override
+    protected String getMainComponentName() {
+        return "simpleDemo";
+    }
+}

samples/simpleDemo/android/app/src/main/java/com/simpledemo/MainApplication.java

+package com.simpledemo;
+
+import android.app.Application;
+
+import com.facebook.react.ReactApplication;
+import com.syan.agora.AgoraPackage;
+import com.facebook.react.ReactNativeHost;
+import com.facebook.react.ReactPackage;
+import com.facebook.react.shell.MainReactPackage;
+import com.facebook.soloader.SoLoader;
+
+import java.util.Arrays;
+import java.util.List;
+
+public class MainApplication extends Application implements ReactApplication {
+
+  private final ReactNativeHost mReactNativeHost = new ReactNativeHost(this) {
+    @Override
+    public boolean getUseDeveloperSupport() {
+      return BuildConfig.DEBUG;
+    }
+
+    @Override
+    protected List<ReactPackage> getPackages() {
+      return Arrays.<ReactPackage>asList(
+          new MainReactPackage(),
+            new AgoraPackage()
+      );
+    }
+
+    @Override
+    protected String getJSMainModuleName() {
+      return "index";
+    }
+  };
+
+  @Override
+  public ReactNativeHost getReactNativeHost() {
+    return mReactNativeHost;
+  }
+
+  @Override
+  public void onCreate() {
+    super.onCreate();
+    SoLoader.init(this, /* native exopackage */ false);
+  }
+}

samples/simpleDemo/android/app/src/main/res/values/strings.xml

+<resources>
+    <string name="app_name">simpleDemo</string>
+</resources>

samples/simpleDemo/android/app/src/main/res/values/styles.xml

+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
+        <!-- Customize your theme here. -->
+    </style>
+
+</resources>

samples/simpleDemo/android/build.gradle

+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+    ext {
+        buildToolsVersion = "27.0.3"
+        minSdkVersion = 16
+        compileSdkVersion = 27
+        targetSdkVersion = 26
+        supportLibVersion = "27.1.1"
+    }
+    repositories {
+        google()
+        jcenter()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.1.4'
+
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+    }
+}
+
+allprojects {
+    repositories {
+        mavenLocal()
+        google()
+        jcenter()
+        maven {
+            // All of React Native (JS, Obj-C sources, Android binaries) is installed from npm
+            url "$rootDir/../node_modules/react-native/android"
+        }
+    }
+}
+
+
+task wrapper(type: Wrapper) {
+    gradleVersion = '4.4'
+    distributionUrl = distributionUrl.replace("bin", "all")
+}
+
+subprojects {
+    afterEvaluate {project ->
+        if (project.hasProperty("android")) {
+            android {
+                compileSdkVersion 27
+                buildToolsVersion "27.0.3"
+            }
+        }
+    }
+}

samples/simpleDemo/android/gradle.properties

+# 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

samples/simpleDemo/android/gradle/wrapper/gradle-wrapper.properties

+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip

samples/simpleDemo/android/gradlew

+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  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 "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+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, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$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" "$@"

samples/simpleDemo/android/gradlew.bat

+@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=
+
+@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

samples/simpleDemo/android/keystores/BUCK

+keystore(
+    name = "debug",
+    properties = "debug.keystore.properties",
+    store = "debug.keystore",
+    visibility = [
+        "PUBLIC",
+    ],
+)

samples/simpleDemo/android/keystores/debug.keystore.properties

+key.store=debug.keystore
+key.alias=androiddebugkey
+key.store.password=android
+key.alias.password=android

samples/simpleDemo/android/settings.gradle

+rootProject.name = 'simpleDemo'
+include ':react-native-agora'
+project(':react-native-agora').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-agora/android')
+
+include ':app'

samples/simpleDemo/app.json

+{
+  "name": "simpleDemo",
+  "displayName": "simpleDemo"
+}

samples/simpleDemo/components/agora.js

+import React, {Component, PureComponent} from 'react';
+import {
+  StyleSheet, Text, View, TouchableOpacity,
+  Image, Dimensions, Modal
+} from 'react-native';
+
+import {RtcEngine, AgoraView} from 'react-native-agora';
+import {
+  APPID,
+} from '../utils';
+
+const BtnEndCall = () => require('../assets/btn_endcall.png');
+const BtnMute = () => require('../assets/btn_mute.png');
+const BtnSpeaker = () => require('../assets/btn_speaker.png');
+const BtnSwitchCamera = () => require('../assets/btn_switch_camera.png');
+const BtnVideo = () => require('../assets/btn_video.png');
+const EnableCamera = () => require('../assets/enable_camera.png');
+const DisableCamera = () => require('../assets/disable_camera.png');
+const EnablePhotoflash = () => require('../assets/enable_photoflash.png');
+const DisablePhotoflash = () => require('../assets/disable_photoflash.png');
+const IconMuted = () => require('../assets/icon_muted.png');
+const IconSpeaker = () =>require('../assets/icon_speaker.png');
+
+const {width} = Dimensions.get('window');
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    backgroundColor: '#F4F4F4'
+  },
+  absView: {
+    position: 'absolute',
+    top: 20,
+    left: 0,
+    right: 0,
+    bottom: 0,
+    justifyContent: 'space-between',
+  },
+  videoView: {
+    padding: 5,
+    flexWrap: 'wrap',
+    flexDirection: 'row',
+    zIndex: 100
+  },
+  localView: {
+    flex: 1
+  },
+  remoteView: {
+    width: (width - 40) / 3,
+    height: (width - 40) / 3,
+    margin: 5
+  },
+  bottomView: {
+    padding: 20,
+    flexDirection: 'row',
+    justifyContent: 'space-around'
+  }
+});
+
+class OperateButton extends PureComponent {
+  render() {
+    const {onPress, source, style, imgStyle = {width: 50, height: 50}} = this.props;
+    return (
+      <TouchableOpacity
+        style={style}
+        onPress={onPress}
+        activeOpacity={.7}
+      >
+        <Image
+          style={imgStyle}
+          source={source}
+        />
+      </TouchableOpacity>
+    )
+  }
+}
+
+type Props = {
+  channelProfile: Number,
+  videoProfile: Number,
+  clientRole: Number,
+  swapWidthAndHeight: Boolean,
+  onCancel: Function
+}
+
+export default class Agora extends Component<Props> {
+  state = {
+    peerIds: [],
+    joinSucceed: false,
+    isSpeak: true,
+    isMute: false,
+    isCameraTorch: false,
+    disableVideo: false,
+    hideButton: false,
+    visible: false,
+    selectedUid: undefined,
+  };
+
+  componentWillMount () {
+    const config = {
+      appid: APPID,
+      channelProfile: this.props.channelProfile,
+      videoProfile: this.props.videoProfile,
+      clientRole: this.props.clientRole,
+      swapWidthAndHeight: this.props.swapWidthAndHeight
+    }
+    console.log("[CONFIG]", config);
+    RtcEngine.init(config);
+  }
+
+  componentDidMount () {
+    RtcEngine.getSdkVersion((version) => {
+      console.log('[RtcEngine] getSdkVersion', version);
+    })
+
+    RtcEngine.joinChannel();
+    RtcEngine.enableAudioVolumeIndication(500, 3);
+    RtcEngine.eventEmitter({
+      onFirstRemoteVideoDecoded: (data) => {
+        console.log('[RtcEngine] onFirstRemoteVideoDecoded', data);
+        const {peerIds} = this.state;
+        if (peerIds.indexOf(data.uid) !== -1) {
+          this.setState({
+            peerIds: [...peerIds, data.uid]
+          })
+        }
+      },
+      onUserOffline: (data) => {
+        console.log('[RtcEngine] onUserOffline', data);
+        this.setState({
+            peerIds: this.state.peerIds.filter(uid => uid !== data.uid)
+        })
+      },
+      onJoinChannelSuccess: (data) => {
+        console.log('[RtcEngine] onJoinChannelSuccess', data);
+        // RtcEngine.setShowLocalVideo()
+        RtcEngine.startPreview();
+        this.setState({
+          joinSucceed: true
+        })
+      },
+      onAudioVolumeIndication: (data) => {
+        console.log('[RtcEngine] onAudioVolumeIndication', data);
+      },
+      onUserJoined: (data) => {
+        console.log('[RtcEngine] onUserJoined', data);
+      },
+      onError: (data) => {
+        console.log('[RtcEngine] onError', data);
+        if (data.error === 17) {
+          RtcEngine.leaveChannel();
+          RtcEngine.destroy();
+        }
+        this.props.onCancel(data.error);
+      }
+    })
+  }
+
+componentWillUnmount () {
+  RtcEngine.removeEmitter()
+}
+
+handleCancel = () => {
+  RtcEngine.leaveChannel();
+  RtcEngine.destroy();
+  this.props.onCancel();
+}
+
+switchCamera = () => {
+  RtcEngine.switchCamera();
+}
+
+toggleAllRemoteAudioStreams = () => {
+  this.setState({
+    isMute: !this.state.isMute
+  }, () => {
+    RtcEngine.muteAllRemoteAudioStreams(this.state.isMute);
+  })
+}
+
+toggleSpeakerPhone = () => {
+  this.setState({
+    isSpeak: !this.state.isSpeak
+  }, () => {
+    RtcEngine.setDefaultAudioRouteToSpeakerphone(this.state.isSpeak);
+  })
+}
+
+toggleCameraTorch = () => {
+  this.setState({
+    isCameraTorch: !this.state.isCameraTorch
+  }, () => {
+    RtcEngine.setCameraTorchOn(this.state.isCameraTorch)
+  })
+}
+
+toggleVideo = () => {
+  this.setState({
+    disableVideo: !this.state.videodisableVideo
+  }, () => {
+    this.state.disableVideo ? RtcEngine.enableVideo() : RtcEngine.disableVideo()
+  });
+}
+
+toggleHideButtons = () => {
+  this.setState({
+    hideButton: !this.state.hideButton
+  })
+}
+
+onPressVideo = (uid) => {
+  this.setState({
+    selectedUid: uid
+  }, () => {
+    this.setState({
+      visible: true
+    })
+  })
+}
+
+buttonsView = ({hideButton, isCameraTorch, disableVideo, isMute, isSpeaker}) => {
+  if (!hideButton) {
+  return (
+    <View>
+      <OperateButton
+        style={{alignSelf: 'center', marginBottom: -10}}
+        onPress={this.handleCancel}
+        imgStyle={{width: 60, height: 60}}
+        source={BtnEndCall()}
+    />
+    <View style={styles.bottomView}>
+      <OperateButton
+        onPress={this.toggleCameraTorch}
+        imgStyle={{width: 40, height: 40}}
+        source={isCameraTorch ? EnablePhotoflash() : DisablePhotoflash()}
+      />
+      <OperateButton
+        onPress={this.toggleVideo}
+        source={disableVideo ? EnableCamera() : DisableCamera()}
+      />
+    </View>
+    <View style={styles.bottomView}>
+      <OperateButton
+        onPress={this.toggleAllRemoteAudioStreams}
+        source={isMute ? IconMuted() : BtnMute()}
+      />
+      <OperateButton
+        onPress={this.switchCamera}
+        source={BtnSwitchCamera()}
+      />
+      <OperateButton
+        onPress={this.toggleSpeakerPhone}
+        source={!isSpeaker ? IconSpeaker() : BtnSpeaker()}
+      />
+    </View>
+    </View>)
+  }
+}
+
+agoraPeerViews = ({visible, peerIds}) => {
+  return (visible ? 
+  <View style={styles.videoView} /> :
+  <View style={styles.videoView}>{
+    peerIds.map((uid, key) => (
+    <TouchableOpacity
+      activeOpacity={1}
+      onPress={() => this.onPressVideo(uid)}
+      key={key}>
+    <AgoraView
+        style={styles.remoteView}
+        zOrderMediaOverlay={true}
+        remoteUid={uid}
+    />
+    </TouchableOpacity>
+    ))
+    }</View>)
+}
+
+modalView = ({visible}) => {
+  return (
+  <Modal
+    visible={visible}
+    presentationStyle={'fullScreen'}
+    animationType={'slide'}
+    onRequestClose={() => {}}
+    >
+    <TouchableOpacity
+      activeOpacity={1}
+      style={{flex: 1}}
+      onPress={() => this.setState({
+        visible: false
+    })} >
+      <AgoraView
+        style={{flex: 1}}
+        zOrderMediaOverlay={true}
+        remoteUid={this.state.selectedUid}
+      />
+    </TouchableOpacity>
+  </Modal>)
+}
+
+render () {
+  if (!this.state.joinSucceed) {
+    return (
+    <View style={{flex: 1, backgroundColor: '#fff', justifyContent: 'center', alignItems: 'center'}}>
+      <Text>Creating a video conference...</Text>
+    </View>
+    )
+  }
+
+  return (
+    <TouchableOpacity
+      activeOpacity={1}
+      onPress={this.toggleHideButtons}
+      style={styles.container}
+    >
+      <AgoraView style={styles.localView} showLocalVideo={true} />
+        <View style={styles.absView}>
+          {this.agoraPeerViews(this.state)}
+          {this.buttonsView(this.state)}
+        </View>
+      {this.modalView(this.state)}
+    </TouchableOpacity>
+    )
+  } 
+}

samples/simpleDemo/index.js

+/** @format */
+
+import {AppRegistry} from 'react-native';
+import App from './App';
+import {name as appName} from './app.json';
+
+AppRegistry.registerComponent(appName, () => App);

samples/simpleDemo/ios/simpleDemo-tvOS/Info.plist

+<?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>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>org.reactjs.native.example.$(PRODUCT_NAME:rfc1034identifier)</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</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UILaunchStoryboardName</key>
+	<string>LaunchScreen</string>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>armv7</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UIViewControllerBasedStatusBarAppearance</key>
+	<false/>
+	<key>NSLocationWhenInUseUsageDescription</key>
+	<string></string>
+	<key>NSAppTransportSecurity</key>
+	<!--See http://ste.vn/2015/06/10/configuring-app-transport-security-ios-9-osx-10-11/ -->
+	<dict>
+		<key>NSExceptionDomains</key>
+		<dict>
+			<key>localhost</key>
+			<dict>
+				<key>NSExceptionAllowsInsecureHTTPLoads</key>
+				<true/>
+			</dict>
+		</dict>
+	</dict>
+</dict>
+</plist>

samples/simpleDemo/ios/simpleDemo-tvOSTests/Info.plist

+<?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>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>org.reactjs.native.example.$(PRODUCT_NAME:rfc1034identifier)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>BNDL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+</dict>
+</plist>

samples/simpleDemo/ios/simpleDemo.xcodeproj/xcshareddata/xcschemes/simpleDemo-tvOS.xcscheme

+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "0940"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "NO"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "2D2A28121D9B038B00D4039D"
+               BuildableName = "libReact.a"
+               BlueprintName = "React-tvOS"
+               ReferencedContainer = "container:../node_modules/react-native/React/React.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "2D02E47A1E0B4A5D006451C7"
+               BuildableName = "simpleDemo-tvOS.app"
+               BlueprintName = "simpleDemo-tvOS"
+               ReferencedContainer = "container:simpleDemo.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "NO"
+            buildForArchiving = "NO"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "2D02E48F1E0B4A5D006451C7"
+               BuildableName = "simpleDemo-tvOSTests.xctest"
+               BlueprintName = "simpleDemo-tvOSTests"
+               ReferencedContainer = "container:simpleDemo.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 = "2D02E48F1E0B4A5D006451C7"
+               BuildableName = "simpleDemo-tvOSTests.xctest"
+               BlueprintName = "simpleDemo-tvOSTests"
+               ReferencedContainer = "container:simpleDemo.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "2D02E47A1E0B4A5D006451C7"
+            BuildableName = "simpleDemo-tvOS.app"
+            BlueprintName = "simpleDemo-tvOS"
+            ReferencedContainer = "container:simpleDemo.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </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 = "2D02E47A1E0B4A5D006451C7"
+            BuildableName = "simpleDemo-tvOS.app"
+            BlueprintName = "simpleDemo-tvOS"
+            ReferencedContainer = "container:simpleDemo.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "2D02E47A1E0B4A5D006451C7"
+            BuildableName = "simpleDemo-tvOS.app"
+            BlueprintName = "simpleDemo-tvOS"
+            ReferencedContainer = "container:simpleDemo.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

samples/simpleDemo/ios/simpleDemo.xcodeproj/xcshareddata/xcschemes/simpleDemo.xcscheme

+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "0940"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "NO"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "83CBBA2D1A601D0E00E9B192"
+               BuildableName = "libReact.a"
+               BlueprintName = "React"
+               ReferencedContainer = "container:../node_modules/react-native/React/React.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "13B07F861A680F5B00A75B9A"
+               BuildableName = "simpleDemo.app"
+               BlueprintName = "simpleDemo"
+               ReferencedContainer = "container:simpleDemo.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "NO"
+            buildForArchiving = "NO"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "00E356ED1AD99517003FC87E"
+               BuildableName = "simpleDemoTests.xctest"
+               BlueprintName = "simpleDemoTests"
+               ReferencedContainer = "container:simpleDemo.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 = "simpleDemoTests.xctest"
+               BlueprintName = "simpleDemoTests"
+               ReferencedContainer = "container:simpleDemo.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "13B07F861A680F5B00A75B9A"
+            BuildableName = "simpleDemo.app"
+            BlueprintName = "simpleDemo"
+            ReferencedContainer = "container:simpleDemo.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </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 = "simpleDemo.app"
+            BlueprintName = "simpleDemo"
+            ReferencedContainer = "container:simpleDemo.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "13B07F861A680F5B00A75B9A"
+            BuildableName = "simpleDemo.app"
+            BlueprintName = "simpleDemo"
+            ReferencedContainer = "container:simpleDemo.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

samples/simpleDemo/ios/simpleDemo/AppDelegate.h

+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <UIKit/UIKit.h>
+
+@interface AppDelegate : UIResponder <UIApplicationDelegate>
+
+@property (nonatomic, strong) UIWindow *window;
+
+@end

samples/simpleDemo/ios/simpleDemo/AppDelegate.m

+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import "AppDelegate.h"
+
+#import <React/RCTBundleURLProvider.h>
+#import <React/RCTRootView.h>
+
+@implementation AppDelegate
+
+- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
+{
+  NSURL *jsCodeLocation;
+
+  #ifdef DEBUG
+    jsCodeLocation = [[RCTBundleURLProvider sharedSettings] jsBundleURLForBundleRoot:@"index" fallbackResource:nil];
+  #else
+    jsCodeLocation = [[NSBundle mainBundle] URLForResource:@"main" withExtension:@"jsbundle"];
+  #endif
+
+  RCTRootView *rootView = [[RCTRootView alloc] initWithBundleURL:jsCodeLocation
+                                                      moduleName:@"simpleDemo"
+                                               initialProperties:nil
+                                                   launchOptions:launchOptions];
+  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 YES;
+}
+
+@end

samples/simpleDemo/ios/simpleDemo/Base.lproj/LaunchScreen.xib

+<?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="simpleDemo" 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>

samples/simpleDemo/ios/simpleDemo/Images.xcassets/AppIcon.appiconset/Contents.json

+{
+  "images" : [
+    {
+      "idiom" : "iphone",
+      "size" : "20x20",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "20x20",
+      "scale" : "3x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "29x29",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "29x29",
+      "scale" : "3x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "40x40",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "40x40",
+      "scale" : "3x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "60x60",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "60x60",
+      "scale" : "3x"
+    },
+    {
+      "idiom" : "ios-marketing",
+      "size" : "1024x1024",
+      "scale" : "1x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

samples/simpleDemo/ios/simpleDemo/Images.xcassets/Contents.json

+{
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

samples/simpleDemo/ios/simpleDemo/Info.plist

+<?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>simpleDemo</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</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>NSCameraUsageDescription</key>
+	<string>use camera for agora video call</string>
+	<key>NSLocationWhenInUseUsageDescription</key>
+	<string></string>
+	<key>NSMicrophoneUsageDescription</key>
+	<string>use microphone for agora video call</string>
+	<key>UIBackgroundModes</key>
+	<array>
+		<string>audio</string>
+	</array>
+	<key>UILaunchStoryboardName</key>
+	<string>LaunchScreen</string>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>armv7</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UIViewControllerBasedStatusBarAppearance</key>
+	<false/>
+</dict>
+</plist>

samples/simpleDemo/ios/simpleDemo/main.m

+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <UIKit/UIKit.h>
+
+#import "AppDelegate.h"
+
+int main(int argc, char * argv[]) {
+  @autoreleasepool {
+    return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
+  }
+}

samples/simpleDemo/ios/simpleDemoTests/Info.plist

+<?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>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>BNDL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+</dict>
+</plist>

samples/simpleDemo/ios/simpleDemoTests/simpleDemoTests.m

+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <UIKit/UIKit.h>
+#import <XCTest/XCTest.h>
+
+#import <React/RCTLog.h>
+#import <React/RCTRootView.h>
+
+#define TIMEOUT_SECONDS 600
+#define TEXT_TO_LOOK_FOR @"Welcome to React Native!"
+
+@interface simpleDemoTests : XCTestCase
+
+@end
+
+@implementation simpleDemoTests
+
+- (BOOL)findSubviewInView:(UIView *)view matching:(BOOL(^)(UIView *view))test
+{
+  if (test(view)) {
+    return YES;
+  }
+  for (UIView *subview in [view subviews]) {
+    if ([self findSubviewInView:subview matching:test]) {
+      return YES;
+    }
+  }
+  return NO;
+}
+
+- (void)testRendersWelcomeScreen
+{
+  UIViewController *vc = [[[RCTSharedApplication() delegate] window] rootViewController];
+  NSDate *date = [NSDate dateWithTimeIntervalSinceNow:TIMEOUT_SECONDS];
+  BOOL foundElement = NO;
+
+  __block NSString *redboxError = nil;
+  RCTSetLogFunction(^(RCTLogLevel level, RCTLogSource source, NSString *fileName, NSNumber *lineNumber, NSString *message) {
+    if (level >= RCTLogLevelError) {
+      redboxError = message;
+    }
+  });
+
+  while ([date timeIntervalSinceNow] > 0 && !foundElement && !redboxError) {
+    [[NSRunLoop mainRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate dateWithTimeIntervalSinceNow:0.1]];
+    [[NSRunLoop mainRunLoop] runMode:NSRunLoopCommonModes beforeDate:[NSDate dateWithTimeIntervalSinceNow:0.1]];
+
+    foundElement = [self findSubviewInView:vc.view matching:^BOOL(UIView *view) {
+      if ([view.accessibilityLabel isEqualToString:TEXT_TO_LOOK_FOR]) {
+        return YES;
+      }
+      return NO;
+    }];
+  }
+
+  RCTSetLogFunction(RCTDefaultLogFunction);
+
+  XCTAssertNil(redboxError, @"RedBox error: %@", redboxError);
+  XCTAssertTrue(foundElement, @"Couldn't find element with text '%@' in %d seconds", TEXT_TO_LOOK_FOR, TIMEOUT_SECONDS);
+}
+
+
+@end

samples/simpleDemo/package.json

+{
+  "name": "simpleDemo",
+  "version": "0.0.1",
+  "private": true,
+  "scripts": {
+    "start": "node node_modules/react-native/local-cli/cli.js start",
+    "ios": "react-native run-ios && react-native log-ios",
+    "android": "react-native run-android && react-native log-android",
+    "test": "jest"
+  },
+  "dependencies": {
+    "react": "16.6.3",
+    "react-native": "0.57.8"
+  },
+  "devDependencies": {
+    "babel-jest": "23.6.0",
+    "jest": "23.6.0",
+    "metro-react-native-babel-preset": "0.51.1",
+    "react-native-agora": "^1.2.5",
+    "react-test-renderer": "16.6.3"
+  },
+  "jest": {
+    "preset": "react-native"
+  }
+}

samples/simpleDemo/utils.js

+export const APPID = 'Your Agora APP_ID'; //'Your Agora APP_ID'
+export function handleError (code) {
+  let errObj = [
+    {
+      name: 'AGORA_IID_AUDIO_DEVICE_MANAGER',
+      code: 1,
+    },
+    {
+      name: 'AGORA_IID_VIDEO_DEVICE_MANAGER',
+      code: 2,
+    },
+    {
+      name: 'AGORA_IID_RTC_ENGINE_PARAMETER',
+      code: 3,
+    },
+    {
+      name: 'AGORA_IID_MEDIA_ENGINE',
+      code: 4,
+    },
+    {
+      name: 'WARN_INVALID_VIEW',
+      code: 8,
+    },
+    {
+      name: 'WARN_INIT_VIDEO',
+      code: 16,
+    },
+    {
+      name: 'WARN_PENDING',
+      code: 20,
+    },
+    {
+      name: 'ERR_JOIN_CHANNEL_REJECTED',
+      code: 17
+    },
+    {
+      name: 'ERR_START_CAMERA',
+      code: 1003
+    }
+  ];
+  
+  let found = errObj.find(e => e.code === code);
+  if (!found) {
+    throw new Error(`Code: ${code} isn't exists`);
+  }
+  return found;
+}