Using android elements is rather simple as long as you keep mind that you need to add things into xml often by hand. Some functions also work buter if you set functionality programaticaly. look links to get idea how elements work

there is also usage of many elements such as buttons in other examples. such as buttons, textview, edittext, togglebutton. avoid implementing harder elements such radio buttons and similar if you don't need them.

links:

• button
• togglebutton
• http://stackoverflow.com/questions/7267922/toggle-button-android
• Switch
• RadioButton
• CheckBox

• TextView
• EditText

• Spinner
• StackView

• ProgressBar

• ViewSwitcher
• TabWidget
• TabHost