S3:

Introduction to Amazon

What is Amazon S3?

• Amazon Simple Storage Service (Amazon S3) - is storage for the Internet.
• Amazon S3 has a simple web services interface that you can use to store and retrieve any amount of data, at any time, from anywhere on the web.

• Gives any developer access to the same highly scalable, reliable, fast, inexpensive data storage infrastructure that Amazon uses to run its own global network of web sites.

• Amazon S3 provides strong read-after-write consistency for PUTs and DELETEs of objects in your Amazon S3 bucket in all AWS Regions.

• Amazon S3 offers a range of storage classes designed for different use cases.

Amplify Storage:

• Amplify Storage category - provides an interface for managing user content for your app in public, protected, or private storage buckets.
• Setup
  • Provision backend storage - execute the command: amplify add storage, and then answer the questions
  • To push changes to the cloud use the command: amplify push
  • Install Amplify Libraries - add these dependencies { implementation 'com.amplifyframework:aws-storage-s3:1.17.1' implementation 'com.amplifyframework:aws-auth-cognito:1.17.1' }

  • Initialize Amplify Storage - initialize the Amplify Auth and Storage categories you call Amplify.addPlugin() method for each category. To complete initialization call Amplify.configure(). Add the following code: Amplify.addPlugin(new AWSCognitoAuthPlugin()); Amplify.addPlugin(new AWSS3StoragePlugin());

  • Uploading data to your bucket - specify the key and the data object to be uploaded.
  • Upon successfully executing this code, you should see a new folder in your bucket, called public. It should contain a file called ExampleKey, whose contents is Example file contents.