dropdrage / simple_weather

Simple Weather Android app

Simple Weather

Simple Weather app based on Open Meteo. Used for library tests (Cicerone, Compose, Ktor).
Uses your current approximate location to get the weather or you can add cities manually to monitor them.

Design by Oleg Buchinskiy
Weather Request example

Techs

Main

Architecture: Clean Architecture, Multi-module
Presentation: MVVM
Main Techs: Retrofit (with Moshi), Dagger Hilt, Android Jetpack
Additional Techs: Kotpref, ViewBindingPropertyDelegate
Tests: JUnit 5, Mockk, Turbine

Library tests

• Cicerone
• Compose

simple_weather's Issues

Uber RIBS

https://github.com/uber/RIBs

Kodein

On hiding and reshowing AppBar title doesn't change

Make it save current position or changing AppBar title at least

TOML Version Catalogs

Realm

Detekt

Kotlin Gradle

KTLint

Yatagan

Doesn't handle units change

If change km/h to m/s of wind speed it doesn't affect in Today

• Wind speed
• Visibility

Modularize

• Gradle versions catalogs
• Reduce coupling via DI takeaway

Kotlinx.serialization

https://github.com/Kotlin/kotlinx.serialization
https://habr.com/ru/companies/tinkoff/articles/728928/

Jetpack Compose

• Cities Weather

• City Weather

• City List

• City Search

• Settings

• Navigation

• Refactoring

  • Change collectAsState = to by

Auto focus input in search

Doesn't handle one time permissions

Instrumental Tests

Refactor tests

https://resources.jetbrains.com/storage/products/kotlinconf2018/slides/4_Best%20Practices%20for%20Unit%20Testing%20in%20Kotlin.pdf

• Group Tests by methods
• Optimize

Data cache

Data per city:

• Date

• Daily info

  • Min/max apparent temperature
  • Precipitation sum
  • Sunrise and sunset

• Hourly Weather

  • Weather
  • Time
  • Temperature
  • Humidity
  • Pressure
  • Wind speed
  • Visibility

• Auto-remove outdated locations

• Update all cities

Change min/max temperature order

City data unavailable

Settings options dialog is empty

SQLDelight

Try `api` for different modules

Migrate `LiveData` to `Flow`

DataStore

Settings Screen

• Temperature (°C, °F)

• Wind speed (m/s, km/h, mph, knots)

• Pressure (mm Hg, hPa)

• Visibility (m, km, mile)

• Precipation (mm, inch)

• Time (23:00, 11pm)

• Use api params to reduce convertion

Project United

Unite all possible library-swaps in one branch

Add handle of location permission deny

When user denied it then show button "Go to permission settings"

Ktorfit

If cached and remote data isn't equal then cache should be updated

Toolbar title jump on fast scroll down in Weather

MVICore

https://github.com/badoo/MVICore

Ktor

Roboelectric

UI Tests

Kaspresso

Cicerone

Benchmark for weather bottleneck

First swipe to next city bottleneck

Jetpack Microbenchmark
https://habr.com/ru/companies/cian/articles/740782/

Multiple Cities forecasts

• Search for city
• Editting of saved cities
  • Delete
  • Move
• Main screen with city-tabs

Fix timezone in README request example

Toolbar menu disappears on app switch

Theme colors overridding doesn't work

https://developer.android.com/develop/ui/views/theming/dynamic-colors
https://www.youtube.com/watch?v=14MWazb3GYM

Doesn't load gps position on first launch

Split GitHub Actions

Kotest

https://github.com/kotest/kotest

Splash API

More Weather Data

• Current Weather
  • Visibility
• Day Weather
  • Min/max temperature
  • Min/max apparent temperature
  • Precipitation sum
  • Max wind speed
  • Sunrise and sunset
• Daily Weather
  • Day
  • Weather
  • Min/max temperature
• Date format

Decompose

Unit Tests

• Test Gradle component

Current location no data & permission request

Implement Design

https://www.figma.com/file/k7czEQd3tDVYE8iBou7A4l/weather-app?node-id=0%3A1&t=Y1pbLyvAuVDB6FDq-0
Try Android Monet
https://m3.material.io/styles/color/dynamic-color/user-generated-color