Front-End Web & Mobile

Category: Best Practices

Implement Multi-Region Serverless (and Functionless) WebSocket Pub/Sub APIs with AWS AppSync and Amazon EventBridge

AWS AppSync allows developers to easily implement engaging real-time application experiences by automatically publishing data updates to subscribed API clients via serverless WebSockets connections. With built-in support for WebSockets, AppSync can seamlessly push data to clients that choose to listen to specific events from the backend. This means that you can easily and effortlessly make […]

Android Maps with Amplify Geo

Add Maps to your Android app with AWS Amplify Geo, powered by Amazon Location Service

This blog post was written by Erica Eaton – Software Development Engineer at AWS Amplify. Today’s release of AWS Amplify Geo for Android allows developers to quickly and easily add customizable maps with markers and location search to their Android applications. The location APIs are powered by Amazon Location Service and map rendering is from […]

Blog cover that shows a map with the team dinner location

Add Interactive Maps in React using Amplify Geo, powered by Amazon Location Service

This blog post was written by Michael Liendo – Senior Developer Advocate at AWS Amplify. Recently, AWS Amplify announced an easier way for React developers to add map and search functionality to their applications via the Amplify CLI as well as new AWS-aware Geo components. In this post, we’ll take a look at how to […]

Client A inserted data into the AWS AppSync endpoint in Ireland. This data was in turn inserted into Amazon DynamoDB, which replicated the data to Sydney. In Sydney, Amazon DynamoDB streams trigger AWS Lambda functions which notify the AWS AppSync endpoint to the new data. Client C receives the new data via its subscription

Multi Region Deployment of AWS AppSync with Amazon DynamoDB Global Tables

As organizations grow, they often need to serve geographically dispersed users with low latency, prompting them to have a distributed global infrastructure in the cloud. By leveraging the AWS Global Network to deploy applications into multiple AWS Regions, organizations can allow their users to connect to an API endpoint in the Region with the lowest […]

Simple serverless WebSocket real-time API with AWS AppSync (little or no GraphQL experience required)

AWS AppSync simplifies application development by letting applications securely access, manipulate, and receive data as well as real-time updates from multiple data sources, such as databases or APIs. Taking advantage of GraphQL subscriptions to perform real-time operations, AppSync can push data to clients that choose to listen to specific events from the backend. This means […]

Implementing caching for pipeline resolvers in AWS AppSync GraphQL APIs

This article was written by Eric Robertson, SDE Intern, AWS AppSync AWS AppSync is a fully managed service which allows developers to deploy and interact with a scalable serverless GraphQL API backend on AWS. GraphQL provides a complete description of the API data in a strongly typed system, making it easier to evolve APIs over […]

Implement group based authorization for AWS AppSync GraphQL APIs with Okta

This article was written by Deepti Chilmakuru, Cloud Application Architect, AWS, and Jack Michel, Front End Developer, AWS September 14, 2021: Amazon Elasticsearch Service has been renamed to Amazon OpenSearch Service. See details. AWS AppSync is a managed serverless GraphQL service that simplifies application development by letting you create a flexible API to securely access, […]

Introducing Lambda authorization for AWS AppSync GraphQL APIs

This article was written by Brice Pellé, Principal Specialist Solutions Architect, AWS AWS AppSync is a fully managed service which allows developers to deploy and interact with serverless scalable GraphQL backends on AWS. As an application data service, AppSync makes it easy to connect applications to multiple data sources using a single API. AppSync supports […]

Simplify out of band AWS AppSync real-time subscriptions with Amazon EventBridge

This article was written by Josh Kahn, Principal Specialist Solutions Architect, AWS September 14, 2021: Amazon Elasticsearch Service has been renamed to Amazon OpenSearch Service. See details. Real-time, up-to-date data is valuable for many categories of applications. From sports scores to stock quotes to delivery apps and many others, real-time data is essential in building […]

The employee mobile application connects to Amazon Location’s Tracker via the Amazon Location SDK, once the latitude and longitude provided by the tracker crosses a geofence, an event is sent to EventBridge and a Lambda Function is triggered. This Lambda function updates DynamoDB via AppSync with the user’s information, marking them as safe or not. Another app, targeting the patrol officers, track the users and their safety status. Both mobile applications rely on Cognito for authentication and authorization. AWS Amplify is used by the mobile app to connect to Cognito, via Amplify Auth, and AppSync, via Amplify API and Amplify DataStore.

Create an iOS tracker application with Amazon Location Service and AWS Amplify

This article was written by Fernando Rocha Silva and Panna Shetty Emergency management teams are constantly tackling one crisis after another, whether it is managing the COVID pandemic or battling raging wild fires across California. These frontline workers venture into dangerous situations to rescue those in need, potentially risking their own lives. Firefighters go above […]