78 lines
2 KiB
Markdown
78 lines
2 KiB
Markdown
# Hello World application with Flutter + Nix
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This is a demonstration project to show usage of Flutter with Nix.
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## Getting Started
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If you have `direnv` installed, run:
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```sh
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direnv allow
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```
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Otherwise, enter in the `nix-shell`:
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```sh
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nix-shell
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```
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After this, you can either build this project with:
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```sh
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flutter build apk
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```
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Or run it:
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```sh
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flutter run
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```
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If you have any issue, you can run `flutter doctor` to get a diagnostic and potential solution to fix your issues.
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## How to use it with your projects
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Create a `shell.nix` file with this content:
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```nix
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{ pkgs ? import <nixpkgs> {} }:
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let
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flutter = (import (builtins.fetchTarball
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"https://github.com/babariviere/nixpkgs/archive/flutter-init.tar.gz") {}).flutter; # this will be replaced when merged into NixOS
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in pkgs.mkShell {
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buildInputs = [ flutter ];
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}
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```
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After this, enter into your nix-shell and you are good to go.
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## Updating
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### To update the whole environment, do the following in order:
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- `niv init` will update nix/sources.nix if a new one is available
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- backup your nix/sources.json: `cp nix/sources.json nix/sources.json.bak`
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- `niv update` will update sources.json i.e. your version of nixpkgs used in this environment
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- you may need to edit nix/android.nix if any of the attributes in there can't be found after this.
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- `direnv reload` will rebuild/reload your environment (may not be necessary if it automatically reloads)
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- alternatively, run `nix-shell` again (?)
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- `flutter packages update` to update flutter/dart packages and get rid of the warning that you're using a different version of flutter than what was last referenced
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## Global install
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If you want to install `flutter` on your system, add this to your `/etc/nixos/configuration.nix`:
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```nix
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{
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environment.systemPackages = [
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(import (builtins.fetchTarball
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"https://github.com/babariviere/nixpkgs/archive/flutter-init.tar.gz") {}).flutter
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];
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}
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```
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## Have an issue ?
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Create an issue on this repository with your issue and I will try to help you as much as I can !
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