Wallpaper Changing Application

A Wallpaper Changing Application that allows users to fetch latest wallpapers and apply to homescreen and lockscreen, also allows user to save it locally. It is following MVVM Architecture with Jetpack Components.

Download App: https://play.google.com/store/apps/details?id=com.gunishjain.wallpaperapp

Major Highlights

• MVVM Architecture
• Kotlin
• Dagger Hilt
• Retrofit
• Coroutines
• LiveData
• Viewbinding
• Pagination
• Room

Features Implemented

• Fetching Latest Wallpapers
• Fetch Wallpapers Based on Categories
• Instant Searching of Wallpapers
• Saving Wallpapers locally using ROOM DB
• Download and Set Wallpapers
• Inapp Updates for Playstore

Dependency Used:

• Recycler View for listing

implementation "androidx.recyclerview:recyclerview:1.3.1"

• Glide for image loading

implementation 'com.github.bumptech.glide:glide:4.15.1'

• Retrofit for networking

implementation("com.squareup.retrofit2:retrofit:2.9.0")
implementation 'com.squareup.retrofit2:converter-gson:2.9.0'
implementation("com.squareup.okhttp3:logging-interceptor:4.11.0")

• Android Lifecycle aware component

implementation 'androidx.fragment:fragment-ktx:1.6.0'
implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:2.6.1"
implementation "androidx.lifecycle:lifecycle-runtime-ktx:2.6.1"

• Dagger Hilt for dependency Injection

implementation "com.google.dagger:hilt-android:2.44"
kapt "com.google.dagger:hilt-compiler:2.44"

• For RoomDB

implementation "androidx.room:room-runtime:2.5.2"
kapt("androidx.room:room-compiler:2.5.2")
implementation("androidx.room:room-ktx:2.5.2")

• Card View and Size Unit

implementation("androidx.cardview:cardview:1.0.0")
implementation 'com.intuit.sdp:sdp-android:1.1.0'
implementation 'com.intuit.ssp:ssp-android:1.1.0'

• Paging library

implementation "androidx.paging:paging-runtime:3.1.1"

• In App Updates

implementation 'com.google.android.play:app-update:2.1.0'
implementation 'com.google.android.play:app-update-ktx:2.1.0'

Complete Project Structure

├───data
│   ├───api
│   ├───db
│   ├───models
│   └───repository
├───di
├───paging
├───ui
│   ├───activities
│   ├───adapters
│   ├───fragments
│   └───viewmodels
└───util
MyApp.kt

Screenshots

Important

Wallpapers are fetched from Pexels API: https://www.pexels.com/api/