Front-End Web & Mobile

Category: Advanced (300)

Building a GraphQL API with Java and AWS Lambda

Modern applications are driven by rich UI experience. GraphQL APIs are gaining popularity with developers and teams of all sizes as an alternative to REST APIs to support these applications. AWS Lambda is a serverless, event-driven compute service that lets you run code for virtually any type of application or backend service without provisioning or […]

Build your own application for route optimization and tracking using AWS Amplify and Amazon Location Service

Many companies serve their customers “in the field.” These are broadly: 1) companies that have a field service business function, e.g., for the repair of equipment that they sell to their customers, and 2) companies that have a route sales business function, e.g., a Consumer Packaged Goods (CPG) company’s own or contract employees stocking the […]

Using AWS Amplify in AWS GovCloud (US) Regions

In this blog post, we’ll explain how using AWS Amplify in AWS GovCloud (US) Regions differs from AWS Regions. Then, we’ll walk through moving a workload from an AWS Region to AWS GovCloud (US). We’ll be assuming you wish to build a serverless web application based on modern frameworks, such as ReactJS and Angular, built […]

Introducing template evaluation and unit testing for AWS AppSync resolvers

AWS AppSync is a managed serverless GraphQL service that simplifies application development by letting you create a flexible API to securely access, manipulate, and combine data from one or more data sources with a single network call. In GraphQL, developers write resolvers, units of code that implement the business logic that controls how to fetch […]

How to create a one-time password authentication flow using Amplify Flutter

AWS Amplify is a set of tools and services that enables mobile and front-end web developers to build secure, scalable full-stack applications powered by AWS. Amplify recently released a new enhancement for the authentication category to allow Flutter developers to set up custom authentication challenges using Amazon Cognito AWS Lambda triggers.  This guide shows how to […]

Build a Serverless Full-Stack Registration App in minutes using AWS Amplify

Customers often ask developers to design and create a web application form that captures the registration for some events or training that they want to host. AWS Amplify solves this problem by creating the required resources and generating the boilerplate integration code for different layers using serverless technologies. Now, developers can focus on developing the […]

How to connect your GraphQL API to AWS data sources

What’s a resolver? A GraphQL Resolver is a function or method that resolves a value for a type or field within a schema. A resolver is the key architectural component that connects GraphQL fields, graph edges, queries, mutations, and subscriptions to their respective data sources and microservices. In this post, we’ll focus on how to build […]

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 […]

Introducing Custom Domain Names for AWS AppSync APIs

AWS AppSync is a managed serverless GraphQL service that makes it easy to create GraphQL APIs. You can use AppSync to securely access, manipulate, and combine data from one or more data sources in a single API call. Developers use AppSync to build scalable applications for a wide range of use cases, such as real-time […]

Adding the new Suggestions API of Amazon Location Service to your website

Today, Amazon Location Service introduces the new Suggestions API which adds autocomplete functionality when searching for places on a map or inserting addresses in a web form. The benefits of this new addition are twofold: it guides users to selecting their intended search string more rapidly and improves the relevance of results by increasing the […]