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This guide will help you get started with Contentstack Dart SDK to build Flutter apps powered by Contentstack.
To use the Contentstack Dart SDK with your existing project, perform the following steps:
Contentstack offers two regions (the US and European) as data centers to store customers' account details and data. Both regions are independent of each other and therefore have a dedicated set of instructions to use SDKs offered by Contentstack.
To use SDKs for the European region, you will have to make certain changes in the configuration of the SDK, as detailed below, and the rest of the instructions remain the same.
Add this to your package's pubspec.yaml file:
dependencies: contentstack: ^0.0.1
To initialize the SDK, enter the stack’s API key, delivery token, and environment name where you will publish the content, as shown in the snippet below:
import 'package:contentstack/contentstack.dart' as contentstack; final stack = contentstack.Stack(apiKey, deliveryToken, environment);
For Setting the European Region:
To set the European region, refer to the code below:
import 'package:contentstack/contentstack.dart' as contentstack; final stack = contentstack.Stack(apiKey, deliveryToken, environment, region: contentstack.Region.eu);
Once you have initialized the SDK, you can query entries to fetch the required content.
Contentstack SDKs let you interact with the Content Delivery APIs and retrieve content from Contentstack. They are read-only in nature. The SDKs fetch and deliver content from the nearest server via Fastly, our powerful and robust CDN.
To retrieve a single entry from a content type, use the code snippet given below:
import 'package:contentstack/contentstack.dart' as contentstack; final stack = contentstack.Stack(apiKey, deliveryToken, environment); final entry = stack.contentType('content_type_uid').entry(entryUid: entryUid); await entry.fetch().then((response) { print(response.toString()); }).catchError((onError) { prints(onError.toString()); });
To retrieve multiple entries of a particular content type, use the code snippet given below:
import 'package:contentstack/contentstack.dart' as contentstack; final stack = contentstack.Stack(apiKey, deliveryToken, environment); final query = stack.contentType('content_type_uid').entry().query(); await query.find().then((response){ print(response); }).catchError((onError){ print(onError.message); });
These were examples of some of the basic queries of the SDK. For advanced queries, refer to Contentstack Dart SDK API Reference documentation.
Note: Currently, the Dart SDK does not support multiple content types referencing in a single query. For more information on how to query entries and assets, refer the Queries section of our Content Delivery API documentation.
In a single instance, the Get Multiple Entries query will retrieve only the first 100 items of the specified content type. You can paginate and retrieve the rest of the items in batches using the skip and limit parameters in subsequent requests.
final stack = contentstack.Stack( "apiKey", "deliveryToken", "environment"); final query = stack.contentType("contentTypeUid").entry().query().skip(20).limit(20); await query.find().then((response){ print(response); }).catchError((onError){ print(onError.message); });
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