Weather App Demo

Summary

• Summary: Android showing current location weather
• Created Date: 10 June 2023
• Last modified: 10 June 2023

Feature

1. Create a browser or native-app-based application to serve as a basic weather app.
2. Search Screen

• a. Allow customers to enter a US city
• b. Call the openweathermap.org API and display the information you think a user would be interested in seeing. Be sure to has the app download and display a weather icon.
• c. Have image cache if needed

3. Auto-load the last city searched upon app launch.
4. Ask the User for location access, If the User gives permission to access the location, then retrieve weather data by default.

Technology Used

• Kotlin
• MVVM
• Retrofit
• Data Binding
• Dialog Fragment
• RecyclerView
• Card View
• Live Data
• Constraint Layout
• TextInputField

Backend Details

• Webservice :
• https://api.openweathermap.org/data/2.5/weather?lat=44.34&lon=10.99&appid={API key}
• https://api.openweathermap.org/data/2.5/weather?q={city name}&appid={API key}

Example Model

{
    "coord": {
        "lon": 10.99,
        "lat": 44.34
    },
    "weather": [
        {
            "id": 500,
            "main": "Rain",
            "description": "light rain",
            "icon": "10d"
        }
    ],
    "base": "stations",
    "main": {
        "temp": 296.02,
        "feels_like": 296.22,
        "temp_min": 290.9,
        "temp_max": 297.64,
        "pressure": 1011,
        "humidity": 71,
        "sea_level": 1011,
        "grnd_level": 928
    },
    "visibility": 10000,
    "wind": {
        "speed": 1.16,
        "deg": 45,
        "gust": 1.15
    },
    
    "timezone": 7200,
    "id": 3163858,
    "name": "Zocca",
    "cod": 200
}

data class Weather (
    val coord: Coord,
    val weather: List<WeatherElement>,
    val base: String,
    val main: Main,
    val visibility: Long,
    val wind: Wind,
    val rain: Rain,
    val clouds: Clouds,
    val dt: Long,
    val sys: Sys,
    val timezone: Long,
    val id: Long,
    val name: String,
    val cod: Long
) 

• Library Imports

    def lifecycle_version = "2.2.0"
    def kotlin_version = '1.3.72'
    def retrofit_version = "2.9.0"
    def logging_version = "4.3.1"

    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'

    // - - ViewModel
    implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:$lifecycle_version"
    // - - LiveData
    implementation "androidx.lifecycle:lifecycle-livedata-ktx:$lifecycle_version"
    // cardview
    implementation 'com.google.android.material:material:1.2.1'

    // - - Retrofit2
    implementation "com.squareup.retrofit2:retrofit:$retrofit_version"
    implementation "com.squareup.retrofit2:converter-gson:$retrofit_version"
    implementation "com.squareup.okhttp3:okhttp:$logging_version"
    implementation "com.squareup.okhttp3:logging-interceptor:$logging_version"

Project Structure

Screenshots