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beach2

Android simple game application using Jetpack Navigation, Coroutines, LiveData, etc.

bluetooth

Sample Android Java app which lists out all bluetooth devices in the area, pairs with a bluetooth printer, then prints out a test or full label. Uses RxJava and is created by Jay Kallen

composetennis

API project using Koin, Compose and StateFlow.

datediff

While calculating the day difference, I found a bug in the Date and Calendar classes. I was able to solve the bug using Joda-Time. This application shows the bug and the solution.

jayposeapi

A test application of using Compose with an API

metaweather

Weather App that uses Retrofit, Dagger2, RxJava, and MVP on the MetaWeather API. Created by Jay Kallen

racquet3

Android application using full jetpack architecture - Navigation, ViewModel, Databinding, Coroutines, LiveData and Room

samples

Android samples of ads, alarms, notifications, animations, asynctask, cursor loader, deep linking, event bus, firebase, job scheduler, mvp, rxjava, services, etc. Written in Kotlin by Jay Kallen

sanctuary

Sample Android Java app with a SQLite database and advanced RecyclerViews created by Jay Kallen

searchapi

Replicates the Material design persistent search of sports db API. Utilizes navigation, viewmodel, retrofit, gson, livedata, etc.

stocks

Android App written in Kotlin which uses Retrofit with a Custom Deserializer to handle non-standard JSON data, Live Data, Room db, and even MP Android Chart. Was previously published on the play store until IEX pulled their API.

weather

Sample Android Java application which displays the local weather using JSON data from the OpenWeather API. Created by Jay Kallen

weatherupdate

wifi

Sample Android Java app that lists all the wi-fi networks available and allows you to connect to one. This includes fragment communication and event bus communication once the wifi connection has been established. Created by Jay Kallen