DatePicker dp = (DatePicker)findViewById(R.id.datePicker1);
TimePicker tp = (TimePicker)findViewById(R.id.timePicker1);
Calendar ca = Calendar.getInstance();
string type = Calendar.getGenericType();
//这里我查了一下资料,其中的年月日属性都是int类型
int year = ca.get(Calendar.YEAR);
int month =ca.get(Calendar.MONTH);
int day = ca.get(Calendar.DAY_OF_MONTH);
dp.init(year,month,day)new OnDateChangeListener(){});
此例界面较简单,主要是类型的运用。