tailieunhanh - Xây dựng ứng dụng cho Android với HTML, CSS và javascript - part 19

Tham khảo tài liệu 'xây dựng ứng dụng cho android với html, css và javascript - part 19', công nghệ thông tin, kỹ thuật lập trình phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | About the Author Jonathan Stark is a mobile and web application consultant who has been called an expert on publishing desktop data to the web by the Wall Street Journal. He has written two books on web application programming is a tech editor for both php architect and Advisor magazines and has been quoted in the media on internet and mobile lifestyle trends. Jonathan began his programming career more than 20 years ago on a Tandy TRS-80 and still thinks Zork was a sweet game. Colophon_ The animal on the cover of Building Android Apps with HTML CSS and JavaScript is a maleo Macrocephalon maleo an endangered bird with a current population between 5 000 and 10 000 that is only found on the Indonesian islands of Sulawesi and Buton. This distinctive rare bird is about the size of a full-grown chicken with white and lightpink belly and breast feathers standing out against its black back and wings. The maleo s scientific name indicates that individuals possess strong legs and large heads. Their sloped foreheads are often described as helmet-shaped. Perhaps the most remarkable characteristic of this monogamous bird is the way it nests and cares for its offspring. Unlike most birds who incubate their own eggs the maleo lays its eggs in pits in the sand to be incubated by the sun geothermal energy or both. Maleos nest communally which is likely a defensive measure against egg predators. When a young maleo hatches and emerges from the sand after two to three months of incubation it is independent and able to fly. It quickly heads to the forest on its own to hide from predators and find food. Maleo eggs are approximately five times the size of a chicken egg making them desirable among locals. In 2009 the US-based Wildlife Conservation Society purchased a 36-acre area of the Sulawesi beach containing about 40 nests in order to raise awareness about the steadily declining species and to protect the birds from .