Upgrade to target Android API 32.
Replace deprecated fragment manager class.
Find your way around the city of Brasilia, Brazil using the high resolution vector maps of the Metro-DF Green and Orange lines. The maps have small file size footprints but with many levels of zoom and can work offline without connecting to the Internet. Users can click the train station labels to open external map applications to visualize the surrounding area and/or perform routing for directions. There is also an offline function to calculate the best way to travel from a station to another station with a direction breakdown and timings (which may vary from the actual traveling time).
* Now with dark mode setting
