Introduction

flutter.dev has a comprehensive starter tutorial on creating your first application using Flutter. Once you are ready to integrate using the Applozic SDK, follow these steps:

I. Installation

1. Add the following dependency in your pubspec.yaml file:

dependencies:
# other dependencies
applozic_flutter: ^0.0.4

2. Install the package as shown below:

flutter pub get

3. Import the applozic_flutter in your .dart file to use the methods from Applozic:

import 'package:applozic_flutter/applozic_flutter.dart';

Create an Applozic user object, and pass it to the login() function as shown below:

Please keep in mind that once the user is logged in, a new login is permitted only after the user logs out. Use this code to check if the user is already logged in:

Update logged in user details

You can update the logged in user details as given below:

Get logged in userID

You can get the userID of the logged in user as given below:

III. Push Notifications

• Go to /android/build.gradle
• Add the following under buildscript → dependencies: classpath 'com.google.gms:google-services:4.0.1'
• Add the following at the bottom of the file: apply plugin:'com.google.gms.google-services'
• After adding, it will look something like this:





• From login success callback, call ApplozicFlutter.registerPushNotification();
• For push notifications, you must have a Firebase account: Sign-up to https://console.firebase.google.com/ and create your application and generate push notification services file.
• Download google-services.json from your Firebase Console and paste it to /android folder
• Go to the Applozic console, update the FCM Server Key from the Firebase account to your Applozic account push notification section here.

IV. Conversation

Launch the main chat screen as below:

Launch Chat with a specific User

Launch the conversation with a user by passing the userID as below:

Send message

To send a message to a contact or a group, you must first create a message object:

Note: A message object can have more parameters. Refer to this link:
https://docs.applozic.com/docs/android-chat-message-api#build-your-ui-from-scratch—message-api

Then pass the message object to this function:

Logout

To log out from Applozic, execute the following code:

Conclusion

In this tutorial, we have implemented basic features of a chat messenger application such as one-to-one messaging and push notifications using Applozic’s powerful Flutter SDK. To add more features like Group Messaging, Audio and Video Call, Rich Messaging, and many more, visit Applozic’s documentation website.