Intro to REST, the nCoV 2019 REST API, and REST Client
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RESTful APIs: The Basics (3:24)
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The nCoV 2019 Coronavirus API: Setup instructions, API Keys and Access Tokens (4:51)
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REST Client for VS Code: Initial setup & sending requests (5:10)
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REST Client: Using Environment Variables and excluding sensitive data with .gitignore (4:28)
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REST Client: Adding the remaining requests (4:25)
Building an API Service with the Dart http package
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App Architecture Overview (2:48)
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Installing the http package (1:14)
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Saving the API key + GitHub source code + the Error Lens extension (2:37)
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The API class (3:32)
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The APIService class: requesting an access token (4:04)
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Parsing the http response and retrieving the access token (2:47)
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Using the API Service to show the access token (3:14)
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Adding the remaining endpoints to the API class (2:01)
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Requesting and parsing data from the remaining endpoints (5:21)
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Using the APIService class to show endpoint data (3:51)
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Recap on the APIService class (2:19)
Building a Data Repository and creating the basic UI
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The Data Repository (2:44)
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Loading and refreshing the access token when needed (2:50)
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Adding a Provider for the DataRepository (2:58)
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Creating a basic dashboard UI (3:47)
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Creating a custom card widget to show endpoint data (4:01)
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Loading the initial endpoint data from the API (2:28)
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Adding a refresh indicator (2:25)
Loading data from multiple endpoints and polishing the UI
Date formatting and reading the last updated date from the server
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Showing when the data was last updated: client vs server approach (1:10)
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Parsing date information from the API response data (1:59)
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Creating a new data model to hold the date and value from the API (3:19)
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Showing the last updated date in the UI (2:30)
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Formatting dates with the "intl" package (5:08)
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Add thousands' separators with the NumberFormat class (2:14)
Error handling & caching data with Shared Preferences
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Error handling overview, and understanding the call stack (6:17)
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Showing an alert dialog to the user (5:21)
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Completing the error handling code (3:19)
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Introduction to data persistence with Shared Preferences (1:46)
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Writing a DataCacheService (8:32)
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Integrating the DataCacheService in the DataRepository (3:14)
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Injecting the DataCacheService in main.dart (4:15)
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Hot fix: The getter 'date' was called on null (5:08)
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Conclusion & next steps (1:49)
