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https://github.com/steffyp/hackathon_amplify_android
Hackathon project 04/2023: Android app using Amplify. Unfinished/WIP only registration + login is implemented.
https://github.com/steffyp/hackathon_amplify_android
Last synced: 7 days ago
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Hackathon project 04/2023: Android app using Amplify. Unfinished/WIP only registration + login is implemented.
- Host: GitHub
- URL: https://github.com/steffyp/hackathon_amplify_android
- Owner: steffyP
- Created: 2023-04-21T07:40:48.000Z (over 1 year ago)
- Default Branch: main
- Last Pushed: 2023-04-21T08:42:12.000Z (over 1 year ago)
- Last Synced: 2024-11-19T13:29:04.591Z (2 months ago)
- Language: Java
- Size: 112 KB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
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README
# Hackathon Project "In the customer's shoes": Android & Amplify
Goal of the project is to make an Amplify powered Android app that uses LocalStack.
## Initial Idea
FoodStorageTracker can be used to add products (including expiration date) to keep track of the storage, and to be notified when a product is about to expire.
Additionally, receipes can be suggested to use the products.
### Services
* Cognito (registration/login)
* Dynamodb (sync data about products)
* S3 (photo upload)
* Lambda (notifications)
### Implementation Status
* Cognito (registration + login)
## Setup
* install amplify and [amplify plugin for localstack](https://github.com/localstack/amplify-localstack/)
* start LocalStack
* in the project run: `amplify init --use-localstack true`
* ```bash
Info: Patching AWS Amplify libs
Note: It is recommended to run this command from the root of your app directory
? Enter a name for the project FoodStorageTracker
The following configuration will be applied:
Project information
| Name: FoodStorageTracker
| Environment: dev
| Default editor: Visual Studio Code
| App type: android
| Res directory: app/src/main/res
? Initialize the project with the above configuration? No
? Enter a name for the environment dev
? Choose your default editor: Android Studio
? Choose the type of app that you're building android
Please tell us about your project
? Where is your Res directory: app/src/main/res
Using default provider awscloudformation
? Select the authentication method you want to use: AWS profile
```
* next configure authentication `amplify add auth --use-localstack true`
* ```bash
Using service: Cognito, provided by: awscloudformation
The current configured provider is Amazon Cognito.
Do you want to use the default authentication and security configuration? Default configuration
Warning: you will not be able to edit these selections.
How do you want users to be able to sign in? Username
Do you want to configure advanced settings? No, I am done.
```
* then push the configuration `amplify push --use-localstack true`
* when everything worked successfully, there are two files created in `app/src/main/res`:
* `amplifyconfiguration.json` and `awsconfiguration.json`
* open both files and add the endpoint for each configuration,
* e.g. `"Endpoint": "cognito-idp.localhost.localstack.cloud"`
* for `CognitoIdentity.Default` and `CognitoUserPool.Default`
* make sure LocalStack is reachable using https on the default port
* e.g. if DEBUG=1, you should be able to access this page in the webbrowser [https://localhost.localstack.cloud/_localstack/health](https://localhost.localstack.cloud/_localstack/health)
* if this is not the case, please use socat to forward the traffic to whatever port is reachable over https, e.g.
```
socat TCP-LISTEN:443,fork TCP:localhost.localstack.cloud:4566`
````
* To make LocalStack available on your testing device or emulator, you have to redirect the traffic:
```bash
adb root
adb reverse tcp:443 tcp:443
```
* Start the app
* Create a new user for the registration
* You will be asked for a token to enter -> this token is in the LocalStack Logs and needs to be entered here
* You can logout (using the context-menu) and login from the start screen
* Currently only random Products are added to the list, those are stored locally only (there is no link to the currently logged in user)