Convert a simple login interface wroten on Android for Iphon

We made webapp on Android what need to be converted on IPhone Only the login page is to program, once the login is done one it sould redirect on the webapp page. Minial feature : - Check if login is e-mail formated - Check if password is minimum 6 char - Same look and feel as android - Cache the last credentials Better if : If the login is incorrect then come back on the login page with login field and password field empty As an example android project can be given. (Source file in attachment) Picture and Icon are available.