flutter notes

01_flutter.md

flutter

01_intro.md

docs:

A. https://docs.flutter.io/
B. https://flutter.io/setup
C. https://flutter.io/using-ide-vscode/
D. https://classroom.udacity.com/courses/ud905 google-udacity free course on flutter

1. download latest beta build and untar

wget -nc --directory-prefix=/usr/local \
https://storage.googleapis.com/flutter_infra/releases/beta/linux/flutter_linux_v0.3.2-beta.tar.xz
sudo tar xf /usr/local/flutter_linux_v0.3.2-beta.tar.xz

2. add flutter to path

cat /etc/profile
#flutter
export PATH=$PATH:/usr/local/flutter/bin

3. download android studio

wget -nc --directory-prefix=/usr/local \
https://dl.google.com/dl/android/studio/ide-zips/3.1.2.0/android-studio-ide-173.4720617-linux.zip
sudo unzip /usr/local/android-studio-ide-173.4720617-linux.zip

4. start android-studio

/usr/local/android-studio/bin/studio.sh # brings up setup wizard

5. install kvm(useful for android emulator acceleration)

sudo apt -y update
sudo apt -y install qemu-kvm libvirt-bin ubuntu-vm-builder bridge-utils
virsh list --all # verify install

6. accept android licenses

flutter doctor --android-licenses

7. install dart/flutter plugins in android-studio

File>Settings>Plugins

8. select a virtual device in android-studio

Tools>AVD Manager>create a device
- if unsure; use pixel2 and oreo android version.
- make sure graphics is set to: Software. the other options are hardware, automatic
- save then
- run/launch the avd
- if you run; flutter devices then that avd should show up

9. run flutter doctor to make sure everything is ok

flutter doctor -v # it should not report any issues if everything is okay

10. create app

flutter create hello

11. run app

cd hello
flutter run \
--enable-software-rendering \
--skia-deterministic-rendering

there are other debug options; flutter help run

cd hello
flutter run \
--enable-software-rendering \
--skia-deterministic-rendering \
--trace-startup \
--observatory-port 8111 # Observatory debugger

or just use, for hardware rendering

flutter run