final Account[] accounts = AccountManager.get(ctx).getAccountsByType("com.google");// Get an instance and retrieve all google accounts.
final List<String> accountNames = new ArrayList<String>();
for (Account account : accounts)
	accountNames.add(account.name);
ListView accountList = (ListView) findViewById(R.id.st_account_list);// st_account_list is defined in an XML layout
accountList.setAdapter(new ArrayAdapter<String>(ctx, android.R.layout.simple_list_item_1, accountNames));
accountList.setOnItemClickListener(new OnItemClickListener()
{
	@Override
	public void onItemClick(AdapterView<?> parent, View view, int pos, long id)
	{
		checkAccount(accounts[pos]);
	}
});