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Embalses de Puerto Rico v1.9 introduces new Dark Mode

Embalses de Puerto Rico v1.9 introduces new Dark Mode

Hi everyone

Yesterday, I published the version 1.9 of Embalses de Puerto Rico, which adds support for Dark Mode:

Now, the app will use Dark mode if your device is set to that mode.

If you want to force the app to use Light or Dark mode, regardless of the system setting, you can do that by using the all-new Theme setting:

This will override the system setting unless the System default option is selected.

Light mode is unmodified for those who would like to continue using it:

Embalses PR Light Theme Reservoir Page - Spanish

You can download or update this app in the Google Play Store, here.

With this mode, I hope your experience using the app is improved and allows you to continue monitoring the reservoir levels during these times of drought.

Open Sourcing my Android app: Collatz Conjecture Calculator

Open Sourcing my Android app: Collatz Conjecture Calculator

Collatz Conjecture Android App - 1

Hi everyone,

In this post, i’d like everyone to know that I’ve open sourced the code of my app Collatz Conjecture Calculator, which is an app I developed for the Android operating system:

Collatz Conjecture Android App - 2

This app is a Collatz Conjecture calculator, which follows the 3x+1 rule.

It is very simple in nature. The actual code that performs the math is the following:

Collatz Conjecture Android App - 3

It stores each step in a list and then it gets displayed to the user.


In v1.3, I changed the “/” to the “÷” division symbol, and in the previous version, I changed the “x” with the proper multiplication symbol “×”


The app just has the main screen, which looks like this after doing a math calculation:

Collatz Conjecture Android App - 4

User reviews:

What people has said of this very simple app:

Collatz Conjecture Android App - 5

The app was updated using Android Studio 3.0:

Collatz Conjecture Android App - 6

You can take a look at the source code here.

And you can download the app here.