Andorid时间控件和日期控件的Demo（代码）
默认显示当前时间：
time.xml
public class TimeActivity extends Activity {private EditText showDate = null;private Button pickDate = null;private EditText showTime = null;private Button pickTime = null;private static final int SHOW_DATAPICK = 0; private static final int DATE_DIALOG_ID = 1; private static final int SHOW_TIMEPICK = 2; private static final int TIME_DIALOG_ID = 3; private int mYear; private int mMonth; private int mDay; private int mHour; private int mMinute; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.time); initializeViews(); final Calendar c = Calendar.getInstance(); mYear = c.get(Calendar.YEAR); mMonth = c.get(Calendar.MONTH); mDay = c.get(Calendar.DAY_OF_MONTH); mHour = c.get(Calendar.HOUR_OF_DAY); mMinute = c.get(Calendar.MINUTE); setDateTime(); setTimeOfDay(); } /** * 初始化控件和UI视图 */ private void initializeViews(){ showDate = (EditText) findViewById(R.id.showdate); pickDate = (Button) findViewById(R.id.pickdate); showTime = (EditText)findViewById(R.id.showtime); pickTime = (Button)findViewById(R.id.picktime); pickDate.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) { Message msg = new Message(); if (pickDate.equals((Button) v)) { msg.what = TimeActivity.SHOW_DATAPICK; } TimeActivity.this.dateandtimeHandler.sendMessage(msg); }}); pickTime.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) { Message msg = new Message(); if (pickTime.equals((Button) v)) { msg.what = TimeActivity.SHOW_TIMEPICK; } TimeActivity.this.dateandtimeHandler.sendMessage(msg); }}); } /** * 设置日期 */private void setDateTime(){ final Calendar c = Calendar.getInstance(); mYear = c.get(Calendar.YEAR); mMonth = c.get(Calendar.MONTH); mDay = c.get(Calendar.DAY_OF_MONTH); updateDateDisplay(); }/** * 更新日期显示 */private void updateDateDisplay(){ showDate.setText(new StringBuilder().append(mYear).append("-") .append((mMonth + 1) < 10 ? "0" + (mMonth + 1) : (mMonth + 1)).append("-") .append((mDay < 10) ? "0" + mDay : mDay)); } /** * 日期控件的事件 */ private DatePickerDialog.OnDateSetListener mDateSetListener = new DatePickerDialog.OnDateSetListener() { public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) { mYear = year; mMonth = monthOfYear; mDay = dayOfMonth; updateDateDisplay(); } }; /** * 设置时间 */private void setTimeOfDay(){ final Calendar c = Calendar.getInstance(); mHour = c.get(Calendar.HOUR_OF_DAY); mMinute = c.get(Calendar.MINUTE); updateTimeDisplay();}/** * 更新时间显示 */private void updateTimeDisplay(){ showTime.setText(new StringBuilder().append(mHour).append(":") .append((mMinute < 10) ? "0" + mMinute : mMinute)); } /** * 时间控件事件 */ private TimePickerDialog.OnTimeSetListener mTimeSetListener = new TimePickerDialog.OnTimeSetListener() {@Overridepublic void onTimeSet(TimePicker view, int hourOfDay, int minute) {mHour = hourOfDay;mMinute = minute;updateTimeDisplay();}}; @Override protected Dialog onCreateDialog(int id) { switch (id) { case DATE_DIALOG_ID: return new DatePickerDialog(this, mDateSetListener, mYear, mMonth, mDay); case TIME_DIALOG_ID: return new TimePickerDialog(this, mTimeSetListener, mHour, mMinute, true); } return null; } @Override protected void onPrepareDialog(int id, Dialog dialog) { switch (id) { case DATE_DIALOG_ID: ((DatePickerDialog) dialog).updateDate(mYear, mMonth, mDay); break; case TIME_DIALOG_ID: ((TimePickerDialog) dialog).updateTime(mHour, mMinute); break; } } /** * 处理日期和时间控件的Handler */ Handler dateandtimeHandler = new Handler() { @Override public void handleMessage(Message msg) { switch (msg.what) { case TimeActivity.SHOW_DATAPICK: showDialog(DATE_DIALOG_ID); break; case TimeActivity.SHOW_TIMEPICK: showDialog(TIME_DIALOG_ID); break; } } }; }