Apk is the android package. R.java (auto generated file) when compiled along with .class (java classes) generated .dex file but these files are not deployable. .dex files are then reprocessed along with manifest file, and other resources (mp3, video, image) and .apk file is generated. This file is deployable.
These are typically new architects who lack experience. The highest-paid architects, those who've been on the job for years, earned over $119,000, and median pay for all architects was about $72,000. According to the American Institute of Architects, the size of the company has a lot to do with how much money an architect is able to earn.
The Average Salary of an Architect: The Basics. The Bureau of Labor Statistics (BLS) finds that the average salary of an architect was $76,100 per year, $36.59 per hour in 2015. There is wide range of architect salaries, however. The top 10% of architects earn an average salary of $125,520 per year, $60.34 per hour. The bottom 10% of architects earn an average salary of $46,080 per year, $22.15 per hour.