移动设备屏幕宽度(android和ipod都有)

I am creating a web-app where I need to truncate overflowing text. Mean I want to display text into some width ( say 90% of original width) and then want to trim my text if it occupies more space. If I need to trim any text then i will put ellipse (...) at the end of the text.I am creating a web-app where I need to truncat