Build Android Application with one screen

Build one screen android application which parses the data provided and accept all inputs and store in the Shared Preferences and if values are already stored, should populate when opened input can be from xml like below <inputs> <input type="text/radio/dropdown" format="alpha/alphanumeric/numeric" minlength="" maxlength=" " label='' " key=" " values="comma separated values for radio or drop down"/> </inputs> Like: <inputs> <input type="text" format="alpha" minlength='5' maxlength='10' label='Name' key='NAME'/> <input type="text" format="alpha" minlength='10' maxlength='10' label='Number' key='NUMBER'/> <input type="text" format="radio" label='Gender' key='GENDER' options="Male, Female"/> <input type="text" format="Dropdown" label='Country' key='COUNTRY' options="India, USA"/> <inputs/> this will have 4 fields 2 text and 1 radio, 1 dropdown Label is what will be displayed key is the name to refer in sharedpreferences