TimePickerDialog
TimePickerDialog(Context context,
TimePickerDialog.OnTimeSetListener listener,
int hourOfDay,
int minute,
boolean is24HourView)
參數
context:目前上下文
listener:時間改變監聽器
hourOfDay:初始化的小時
minute:初始化的分鐘
is24HourView:是否以24小時顯示時間

關鍵代碼:
new TimePickerDialog(this,new TimePickerDialog.OnTimeSetListener() {
@Override
public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
textView.setText(hourOfDay+":"+minute);
}
}, 0, 0, true).show();
DatePickerDialog
用法和TimePickerDialog相同
首先調用Calendar類擷取年月日,然後将擷取到的年月日放進new出來的DatePickerDialog中,這樣就可以預設選中目前日期
private void chooseDate(){
Calendar ca = Calendar.getInstance();
mYear = ca.get(Calendar.YEAR);
mMonth = ca.get(Calendar.MONTH);
mDay = ca.get(Calendar.DAY_OF_MONTH);
DatePickerDialog datePickerDialog = new DatePickerDialog(this,
new DatePickerDialog.OnDateSetListener() {
@Override
public void onDateSet(DatePicker view, int year, int month, int dayOfMonth) {
final String data = year+"年"+(month+1) + "月" + dayOfMonth + "日 ";
textView.setText(data);
}
},
mYear, mMonth, mDay);
datePickerDialog.show();
}