100kimch commented 3 years ago

A mobile application for traffic sign recognition

Environments

on developing workstation:
- OpenCV
- NativeScript-Vue
- Android
on android smartphones (as an edge camera):
- Nativescript-preview / Nativescript-playground
on an edge server:
- Python3
- Flask

required hardware seonsors:
- GPS (with nativescript-geolocation)
- Accelerometer (with native android api)
- Camera (with native android api)

100kimch commented 3 years ago

sudo npm install -g @vue/cli @vue/cli-init

export ANDROID_HOME=/Users/$USER/Library/Android/sdk
export PATH=${PATH}:$ANDROID_HOME/tools:$ANDROID_HOME/platform-tools

dealing with sensor values
- https://www.stanteq.com/blog/1/creating-compass-in-nativescript-using-internal-sensors-of-the-device
- https://developer.android.com/reference/android/hardware/SensorEvent
set android API level:
- on /npm_modules/@nativescript/types-android/lib/android.d.ts:
- change:
```
/// <reference path="./android-17.d.ts" />
```
- to
```
/// <reference path="./android-29.d.ts" />
```
to work with offline-first pwa:
- https://laniewski.me/vue/pwa/offline/2019/01/04/creating-offline-first-vue-apps.html

webpack version issues:
- need to be: "webpack": "~4.44.2", "webpack-cli": "~3.3.12"
connect android over WiFi
- https://riptutorial.com/nativescript/example/19121/how-to-debug-nativescript-android-app-over-wifi--without-root-
needs to be PRed:
- @nativescript/types-android:
- support android.hardware.camera2.CameraDevice.StateCallback.extend()

100kimch commented 3 years ago