now you get a file folder in that folder and now you can easily read xml files also. Step 4: It's not any step just copy contents of both folder(in this case both new folder)to the single one. Source:- Android: Getting source code from an APK file.
It was Lewis Nixon who invented the very first sonar-type listening device in 1906. He was seeking a way of detecting icebergs. But the sonar was not invented, its inventor was nobody, but developed through the years. Sonar had very humble beginnings, from crude instruments to advanced technology.
Best Answer: The first sub-marine vessel was undoubtedly designed by that great genius, Leonardo da Vinci, around about 1500 AD as drawings in his notebooks show, but although it was invented and designed by him it was never actually built. It was left to Cornelius Van drebel to design and also build the first submarine. He interested King James I in his ideas and between 1620 and 1624 he built three submarines. They were merely large rowing boats covered over and made water-tight by thick well-greased leather.