react-native-todolist

The react-native-todolist application is a cross-platform mobile application developed using the React-Native framework with Redux implementation. The application has features to create a calendar in both Google & Microsoft cloud platforms, users can also receive a push notification from the server based on topic subscription.

Features!

Social SignIn with Google, Microsoft, Facebook.
Google & Microsoft Calendar integration that users can create new events.
Upload attachments with Google Drive and One Drive.
Share events with social apps.
Receive push-notification from the server based on topic subscription.

Installing dependencies

There are few environment setups required to install the dependencies for the development of a cross-platform application using React-Native.

React-Native Cli Setup

Download and Install Node.js
- Windows & macOS - https://nodejs.org/en/download/
- Linux - sudo apt install nodejs npm
React-Native Cli can install using npm command npm install -g react-native-cli

Android Installation dependencies

The Android development setup requires Android Studio and JDK (Java Development Kit).
Java Development Kit : https://www.oracle.com/java/technologies/javase-jdk8-downloads.html
Install Android Studio :

Download and Install Android Studio with the following link which can be used to install across all operating systems (Windows, Linux & macOS). https://developer.android.com/studio/index.html
Configure ANDROID_HOME environmental variable
Windows -
- Right Click on My Computer .
- Click on Properties then in the left panel Choose Advanced system settings.
- In the dialog box Click on Environment Variables .
- After that in the user variable click on New and create a new ANDROID_HOME variable and the value will the local installation path of Android SDK
  Linux & Mac OS -
- Open the terminal and type
  
  $nano ~/.bash_profile
  
  $ export ANDROID_HOME=/YOUR_PATH_TO/android-sdk
  
  $ export PATH=$ANDROID_HOME/platform-tools:$PATH
  
  $source ~/.bash_profile

iOS Installation dependencies

The iOS installation depends on Xcode that can be installed via the mac AppStore.
The latest version of Xcode 9.4 or the latest has to be installed in the system

Xcode Command Line Tools

There are a few Xcode command-line tools that need to be installed.
- Open Xcode , then choose Preference from the Xcode menu.
- Go to the Location panel and install the tools by selecting from the most recent version of the command-line tool from the dropdown.
  
  Installing iOS simulator in Xcode
  
  Open Xcode -> Preference and then select a simulator that will be compatible with the installed iOS version.
  
  CocoaPods
  
  This is a dependency manager that will install the required libraries for iOS development. The CocoaPods application is written in Ruby.
  
  sudo gem install cocoapods
  
  For more information on CocoaPods Guide - https://guides.cocoapods.org/using/getting-started.html

Running React-Native application

To start the application on both Android & iOS , there are two different command needs to be followed.

Android - `npx react- native run-android`

iOS - `npx react- native run-ios`

Redux is an open-source JavaScript library for managing and organizing application state . There are major concepts like actions , reducers , and stores that Redux provides to implement a universal state for an entire application lifecycle.

Official Documentation - https://redux.js.org/

The application supports Social SignIn that users can authenticate into the app using Google , Microsoft , Facebook, and also normal email-based SignIn integrated Google Firebase.

Code Location

    - /src/components/login/LoginComponent.js

In the configuration initialization, there are required scopes that need to be defined. As these applications need Google Calendar , Google Drive integration of the APIs needs to be enabled in the Google Cloud Platform. And the API access scopes are required to mention in the scope array. So, that during User login it will show as a consent screen that what are access list is required from the user Google account.

Scope

GoogleSignin.configure({
    scopes : [
        'https://www.googleapis.com/auth/calendar.readonly',
        'https://www.googleapis.com/auth/calendar' ,
        'https://www.googleapis.com/auth/calendar.events' ,
        'https://www.googleapis.com/auth/drive' ,
        'https://www.googleapis.com/auth/drive.appdata' ,
        'https://www.googleapis.com/auth/drive.file' ,
        'https://www.googleapis.com/auth/drive.readonly' ,
        'https://www.googleapis.com/auth/drive.metadata.readonly' ,
        'https://www.googleapis.com/auth/drive.metadata' ,
        'https://www.googleapis.com/auth/drive.photos.readonly' 
    ],
    webClientId :'YOUR_WEB_CLIENT_ID' ,
    forceConsentPrompt : true
});

The Microsoft SignIn is integrated by using the react-native-app-auth module. This module provides an OAuth based client authentication the technique that the developer can pass the configuration details for any cloud platforms to integrate the authentication module.

Code location

- /src/components/auth/MSAuthManager.js
- /src/components/auth/MSGraphAuthProvider.js
- /src/components/auth/MSGraphManager.js
- /src/components/login/LoginComponent.js

Scope

const config = {
      clientId : 'YOUR_MICROSOFT_AZURE_CLIENT_ID' ,
      redirectUrl : Platform.OS === 'ios' ? 'YOUR_MICROSOFT_AZURE_IO_REDIRECT_URL' :
      'graph-tutorial://react-native-auth' ,
      scopes : [
            'openid' ,
            'offline_access' ,
            'profile' ,
            'user.read' ,
            'Calendars.ReadWrite' ,
            'Files.ReadWrite.All' ,
            'Sites.ReadWrite.All' ,
            'MailboxSettings.ReadWrite'
      ],
      additionalParameters : { prompt : 'select_account' },
      serviceConfiguration : {
            authorizationEndpoint : 'https://login.microsoftonline.com/common/oauth2/v2.0/authorize'
            tokenEndpoint : 'https://login.microsoftonline.com/common/oauth2/v2.0/token'
      }
};

The Facebook SignIn integration requires the react-native-fbsdk module that provides several Facebook Graph APIs request.

_signInWithFacebook = async () => {
const result = await LoginManager.logInWithPermissions([ 'public_profile', 'email']); 
      if (result.isCancelled) {
          console .log( 'User cancelled the login process' );
      } else {
          // Once signed in, get the users AccesToken
          const data = await AccessToken.getCurrentAccessToken();
          if (!data) {
              console .log( 'Something went wrong obtaining access token' );
               }
              console .log( "FACEBOOK ACCESS TOKEN :::: " + data.accessToken)
             const facebookCredential = auth.
              FacebookAuthProvider.credential(data.accessToken);
              await auth().signInWithCredential(facebookCredential);
              const infoRequest = await new GraphRequest( '/me' , {
              parameters : {
                'fields' : {
                  'string' : 'email,first_name,last_name,picture'
                 }
              }
      }, (err, res) => {
      });
      await new GraphRequestManager().addRequest(infoRequest).start();
      }
}

The application uses Email based SignIn with Firebase using the react-native-firebase module. The implementation is simple that developers need to pass only email & password parameters without any other configuration requirements. However, the Firebase App needs to created in the Firebase Cloud Platform before integrating it into the application.

_signInWithEmail = () => {
    auth()
    .signInWithEmailAndPassword( this .state.email, this .state.password)
    .then((data) => {
    console .log( "Successful SignIn" )
    })
    .catch((error) => {
    Alert.alert( 'Error' , 'Signin Error - ' + error.message);
    })
}

Calendar Integration

Google Calendar and Microsoft Calendar are the major cloud-based calendar integration in the application. However, the application also allows creating a calendar for Facebook and Firebase SignIn users that the calendar data get stored in the Firebase Database.

In this application, users can create a Google Calendar with attachments, event colors, Hangout Conference , Inviting Attendees to an event. So, Google Calendar provides Cloud-based REST APIs that can be integrated into the application.

Code location

- /src/actions/GoogleCalendar.js

Google Calendar API : https://developers.google.com/calendar/v3/reference

The react-native-google-drive-api-wrapper module has been integrated to upload a file into Google Drive. The request body contains the base64 blob for the local storage file.

In this application, user can create a Microsoft calendar with additional features like create Team conference , event color, add attachments to an event, invite attendees to an event.

Code location

- /src/actions/MicrosoftCalendar.js

Microsoft Graph API : https://docs.microsoft.com/en-us/graph/api/resources/calendar?view=graph-rest-beta

The attachments integration to an event requires several layers of Microsoft Graph API request. The feature requires to integrate OneDrive into the API request flow.

API request flow

Upload file
In the first step, the files need to upload into the OneDrive cloud to receive the list of OneDrive IDs for each file. The base64 blob will be sent in the request parameter.
Create a Share Link
After uploading each file into the OneDrive , a shareable link needs to be created using Microsoft Graph API.
Add Shareable Link to the event
The shareable link can be added to an event after the event creation. Microsoft Graph API doesn't include attachments request parameters in the event creation. So, there is a completely separate API to attach a link to the events using the created eventId.
Send Invite for access permission
To access the attached link of the event, each attendee needs access permission from the organizer. So, in the request parameter the array of attendees email needs to be included.

The users that are signed-in via Facebook and Firebase can able to create a calendar with Firebase database but the features like adding attachments, online conference, invite attendees, set reminders will not be supported.

Code location

- /src/actions/FirebaseCalendar.js

In this application, the user can share an event in any Social Apps. However the sharing functionality will only work with Google & Microsoft created events that generates an event web link.

Code location

- /src/components/calendar/EventDetailsComponent.js

Push Notification

This application has a feature that the user can receive a push notification via Firebase Cloud Messaging service. User can subscribe to a topic to receive notification an alert.

Sending Push Notification API

API endpoint

https://fcm.googleapis.com/fcm/send

Request Payload

{
    "notification": {
        "title": "Spacex successfully launched first crew to orbit",
        "body": "NASA astronauts Bob Behnken and Doug Hurley are on their way to the space station",
        "icon": "mipmap/ic_app_logo",
        "color": "#000",
        "tag": "Science",
        "local_only": true,
        "default_sound": true,
        "notification_priority": "high",
        "visibility": "public",
        "sound": "default",
        "channel_id": "test-channel",
        "image": "https://example.com/test.png"
    },
    "data": {
        "title": "Spacex successfully launched first crew to orbit",
        "body": "NASA astronauts Bob Behnken and Doug Hurley are on their way to the space station",
        "topic": "Science",
        "small_text": "hello",
        "big_text": "NASA astronauts Bob Behnken and Doug Hurley are on their way to the space station",
        "time": "273737",
        "image": "https://example.com/test.png",
        "foreground": true,
        "android_channel_id": "test-channel"
 },
    "priority": "high",
    "to": "/topics/Science"
}

Screenshots

SignIn

Calendar

Search Planners

Create Calendar

Calendar Created Alert

View Planner

Share Planner

News Push Notification

News

References

License

This project is licensed under the MIT License

Name		Name	Last commit message	Last commit date
Latest commit History 41 Commits
__tests__		__tests__
android		android
assets		assets
ios		ios
screenshots		screenshots
src		src
.buckconfig		.buckconfig
.eslintrc.js		.eslintrc.js
.flowconfig		.flowconfig
.gitignore		.gitignore
.prettierrc.js		.prettierrc.js
.watchmanconfig		.watchmanconfig
App.js		App.js
LICENSE		LICENSE
Readme.md		Readme.md
app.json		app.json
babel.config.js		babel.config.js
index.js		index.js
metro.config.js		metro.config.js
package.json		package.json

License

Deeptiman/react-native-todolist

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react-native-todolist

Features!

Installing dependencies

React-Native Cli Setup

Android Installation dependencies

Java Development Kit : https://www.oracle.com/java/technologies/javase-jdk8-downloads.html

Install Android Studio :

Windows -

Linux & Mac OS -

Open the terminal and type

iOS Installation dependencies

Xcode Command Line Tools

Installing iOS simulator in Xcode

CocoaPods

Running React-Native application

Android - npx react- native run-android

iOS - npx react- native run-ios

Social SignIn (Google, Microsoft, Facebook)

Code Location

Scope

Code location

Scope

Calendar Integration

Code location

Google Calendar API : https://developers.google.com/calendar/v3/reference

Code location

Microsoft Graph API : https://docs.microsoft.com/en-us/graph/api/resources/calendar?view=graph-rest-beta

API request flow

Upload file

Create a Share Link

Add Shareable Link to the event

Send Invite for access permission

Code location

Share Events to Social Apps

Code location

Push Notification

Sending Push Notification API

API endpoint

Request Payload

Screenshots

References

License

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Android - `npx react- native run-android`

iOS - `npx react- native run-ios`

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