Android Native Apps

The Weather Today app is letting users setup a time of day to receive daily weather based on his/her location. Users can see the low and high temperatures as well as sunrise and sunset times.

The technologies used were: Kotlin, local push notifications and RxJava.

The Fun Trivia Quiz app is a platform for users to test, check, and learn general knowledge. At the end the users can view their answers.

This Currency Converter app is a platform for users to quickly and easily find 32 currency exchange rates. The API has been changed and this app needs to be updated accordingly. For the time being it is not functioning the way it is supposed to be.

The SF Parks app is a tool for SF visitors and local park lovers to find all of San Francisco's Parks' information as published by sfgov.org. You can sort the parks by distance (calculated based on where you are), park type, park name, zip code and acreage in either ascending or descending order. You can view the detail of a park, call the park office, and email the park manager. You can view all the parks on the map.

You can view the best selling books reported by New York Times including rank history for specific type of book on specific published date from this app. Happy Reading.

The NewsHub app shows brief movie reviews and world news headlines provided by New York Times.

Want to know all the US states and capitals? Download this app and touch the Show All US States & Capitals button on the main page. Know a name, but not sure it is a US State or capital? This app can tell you the answer! Touch the Find A State|Capital button, and enter the name. You will see the entered name is a state or capital. You can challenge your friends about your knowledge of US States and capitals. You can learn all US States and capitals on your mobile devices.

If you need some prime numbers, this app can do it for you. You can request prime number(s) from a number ranges. The upper number range is 999999. The larger the number ranges the longer it takes to return the prime numbers to you. The max number of prime numbers you can request is 300 per each call. If you need more than 300 primes, request again and change the from number to the last primes number of the previous request.

The Chinese zodiac signs are determined by the lunar year in which you were born. Find out what you zodiac sign says about you, install this app.

There is another version of this app which provides a new user experience and shows more Zodiac years. Please check it out at here.

Don't have an Android OS device. View the Chinese Zodiac web app here.

The Chinese zodiac signs are determined by the lunar year in which you were born. Find out what you zodiac sign says about you, install this app.
This app provides swipe motion user interface.

This app shows ten lists of top 10 things for you to quickly view on your smart device - phones, watches, and tablets. It also provides the link for you to learn more about the top 10 things on their web site. Have fun!

The Coin Converter app converts pennies into quarters, dimes and nickels as well as calculates your change for coins at the same time.

The Tip Calculator By $|% gives you tip amounts in three pre-defined percents and a percent of your choice, as well as three different dollar amounts of your choices.

Would you like to master the Multiplication Table on your finger tips? You can learn the multiplication table at your own pace whenever you like. If so, this is the app for you!

Would you like to master the Multiplication Table on your finger tips? You can learn the multiplication table and self check your answers at your own pace whenever you like. If so, this is the app for you! This app is localized in 8 other languages; they are Chinese (Simplified and Traditional), Japanese, Korean, German, French, Italian and Spanish.

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