Android DatePicker与TimePicker 日期时间弹出工具类

/** * 时间日期设置窗口 * @author chen.lin * */public class DateDialogUtil implements OnDateChangedListener, OnTimeChangedListener {    private DatePicker datePicker;    private TimePicker timePicker;    private AlertDialog ad;    private String dateTime;    private String initDateTime;    private Activity activity;    /** * 日期时间弹出选择框构造函数 * * @param activity * ：调用的父activity * @param initDateTime * 初始日期时间值，作为弹出窗口的标题和日期时间初始值 */    public DateDialogUtil(Activity activity, String initDateTime) {        this.activity = activity;        //this.initDateTime = initDateTime;    }    public void init(DatePicker datePicker, TimePicker timePicker) {        Calendar calendar = Calendar.getInstance();        if (!(null == initDateTime || "".equals(initDateTime))) {            calendar = this.getCalendarByInintData(initDateTime);        } else {            initDateTime = calendar.get(Calendar.YEAR) + "-" + calendar.get(Calendar.MONTH) + "-" + calendar.get(Calendar.DAY_OF_MONTH) + "- " + calendar.get(Calendar.HOUR_OF_DAY)                    + ":" + calendar.get(Calendar.MINUTE) + ":" + calendar.get(Calendar.SECOND);        }        datePicker.init(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH), calendar.get(Calendar.DAY_OF_MONTH), this);        //timePicker.setIs24HourView(true);        timePicker.setCurrentHour(calendar.get(Calendar.HOUR_OF_DAY));        timePicker.setCurrentMinute(calendar.get(Calendar.MINUTE));    }    /** * 弹出日期时间选择框方法 * * @param inputDate * :为需要设置的日期时间文本编辑框 * @return */    public AlertDialog dateTimePicKDialog(final EditText inputDate) {        LinearLayout dateTimeLayout = (LinearLayout) activity.getLayoutInflater().inflate(R.layout.common_datetime, null);        datePicker = (DatePicker) dateTimeLayout.findViewById(R.id.datepicker);        timePicker = (TimePicker) dateTimeLayout.findViewById(R.id.timepicker);        init(datePicker, timePicker);        timePicker.setIs24HourView(true);        timePicker.setOnTimeChangedListener(this);        ad = new AlertDialog.Builder(activity).setTitle(initDateTime).setView(dateTimeLayout).setPositiveButton("设置", new DialogInterface.OnClickListener() {            public void onClick(DialogInterface dialog, int whichButton) {                inputDate.setText(dateTime);                dialog.dismiss();            }        }).setNegativeButton("取消", new DialogInterface.OnClickListener() {            public void onClick(DialogInterface dialog, int whichButton) {                //inputDate.setText("");                dialog.dismiss();            }        }).show();        onDateChanged(null, 0, 0, 0);        return ad;    }    public void onTimeChanged(TimePicker view, int hourOfDay, int minute) {        onDateChanged(null, 0, 0, 0);    }    @SuppressLint("SimpleDateFormat")    public void onDateChanged(DatePicker view, int year, int monthOfYear, int dayOfMonth) {        // 获得日历实例        Calendar calendar = Calendar.getInstance();        calendar.set(datePicker.getYear(), datePicker.getMonth(), datePicker.getDayOfMonth(), timePicker.getCurrentHour(), timePicker.getCurrentMinute());        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");        dateTime = sdf.format(calendar.getTime());        ad.setTitle(dateTime);    }    /** * 实现将初始日期时间2012-07-02 16:45 拆分成年 月 日 时 分 秒,并赋值给calendar * * @param initDateTime * 初始日期时间值 字符串型 * @return Calendar */    private Calendar getCalendarByInintData(String initDateTime) {        Calendar calendar = Calendar.getInstance();        // 将初始日期时间2012年07月02日 16:45 拆分成年 月 日 时 分 秒        String date = spliteString(initDateTime, " ", "index", "front"); // 日期        String time = spliteString(initDateTime, " ", "index", "back"); // 时间        String yearStr = spliteString(date, "-", "index", "front"); // 年份        String monthAndDay = spliteString(date, "-", "index", "back"); // 月日        String monthStr = spliteString(monthAndDay, "-", "index", "front"); // 月        String dayStr = spliteString(monthAndDay, "-", "index", "back"); // 日        String hourStr = spliteString(time, ":", "index", "front"); // 时        String minuteStr = spliteString(time, ":", "index", "back"); // 分        int currentYear = Integer.valueOf(yearStr.trim()).intValue();        int currentMonth = Integer.valueOf(monthStr.trim()).intValue() - 1;        int currentDay = Integer.valueOf(dayStr.trim()).intValue();        int currentHour = Integer.valueOf(hourStr.trim()).intValue();        int currentMinute = Integer.valueOf(minuteStr.trim()).intValue();        calendar.set(currentYear, currentMonth, currentDay, currentHour, currentMinute);        return calendar;    }    /** * 截取子串 * * @param srcStr * 源串 * @param pattern * 匹配模式 * @param indexOrLast * @param frontOrBack * @return */    public static String spliteString(String srcStr, String pattern, String indexOrLast, String frontOrBack) {        String result = "";        int loc = -1;        if (indexOrLast.equalsIgnoreCase("index")) {            loc = srcStr.indexOf(pattern); // 取得字符串第一次出现的位置        } else {            loc = srcStr.lastIndexOf(pattern); // 最后一个匹配串的位置        }        if (frontOrBack.equalsIgnoreCase("front")) {            if (loc != -1)                result = srcStr.substring(0, loc); // 截取子串        } else {            if (loc != -1)                result = srcStr.substring(loc + 1, srcStr.length()); // 截取子串        }        return result;    }}

相关common_datetime.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" >    <DatePicker  android:id="@+id/datepicker" android:layout_width="wrap_content" android:layout_height="wrap_content" />    <TimePicker  android:id="@+id/timepicker" android:layout_width="wrap_content" android:layout_height="wrap_content" /></LinearLayout>

使用方法

public class ServiceAddActivity extends CommonActivity implements OnClickListener {// 保存日期与时间private ImageButton button_showdate,private EditText serviceDateEdit;// 初始化当前时间private String initCurrentDateTime = (new Date()).toString();@Overrideprotected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_service_add);        // 显示日期按钮        button_showdate = (ImageButton) findViewById(R.id.button_showdate);        serviceDateEdit = (EditText)findVewiById(R.id.et_date);        }/** 设置时间 */    private void setDateAndTime() {        DateDialogUtil dateTimePicKDialog = new DateDialogUtil(ServiceAddActivity.this, initCurrentDateTime);        dateTimePicKDialog.dateTimePicKDialog(serviceDateEdit);    }@Overridepublic void onClick(View v) {            switch (v.getId()) {            case R.id.button_showdate:                // 设置时间                setDateAndTime();                break;    }}

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