Flutter Developer

Implement continuous deployment system to build Flutter app and deploy to Google Play using Codemagic.

You might have guessed it already: it’s a connection error.

“ECONNRESET” means the other side of the TCP conversation abruptly closed its end of the connection. This is most probably due to one or more application protocol errors. You could look at the API server logs to see if it complains about something.

But since you are also looking for…

A wiki for understanding what an optional is.

Background: What’s an Optional?

In Swift, Optional<Wrapped> is an option type: it can contain any value from the original ("Wrapped") type, or no value at all (the special value nil). An optional value must be unwrapped before it can be used.

Optional is a generic type, which means that Optional<Int> and Optional<String> are distinct…

A rough description of where Docker, Docker Compose, Docker Cloud, and Kubernetes overlap and where one is dependent on the other

Short answer:

  • docker-compose: is a tool that takes a YAML file which describes your multi-container application and helps you create, start/stop, remove all those containers without having to type multiple docker ... commands for each container.
  • Kubernetes: is a platform for managing containerized workloads and services, that facilitates both declarative configuration and…

A tutorial on how to use the provider package in Flutter.

Managing functions from provider will allow you to control functions from all pages.

If you change a variable you can call notifylistener() function inside your provider function. So that you can change state of widget.

I will try to explain it in a glance however this is an important subject…

Using StreamBuilder instead of FeatureBuilder to avoid whereIn 10 Limit in Firestore

The “whereIn limit of 10" is a Firestore hard constraint. It means that whether you use FutureBuilder or StreamBuilder, that limit-of-10 constraint still applies.

StreamBuilderimplementation:

And you will need to adjust this to become a Stream

Flutter Developer

Flutter and Native Android developer

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