custom theme, style

Gradient buttons for android

http://www.dibbus.com/2011/02/gradient-buttons-for-android/

Changing the Android EditText UI Widget

http://www.androidworks.com/changing-the-android-edittext-ui-widget

Create a Custom-Styled UI Slider (SeekBar)

http://www.mokasocial.com/2011/02/create-a-custom-styled-ui-slider-seekbar-in-android/

버튼들

http://designmoo.com/tag/button/