Android自定义DataTimePicker（日期选择器），androidstudio插件开发

initDateTime = calendar.get(Calendar.YEAR) + “年”

• calendar.get(Calendar.MONTH) + “月”

• calendar.get(Calendar.DAY_OF_MONTH) + "日 "

• calendar.get(Calendar.HOUR_OF_DAY) + “:”

• calendar.get(Calendar.MINUTE);

}

datePicker.init(calendar.get(Calendar.YEAR),

calendar.get(Calendar.MONTH),

calendar.get(Calendar.DAY_OF_MONTH), this);

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);

}

})

.setNegativeButton(“取消”, new DialogInterface.OnClickListener() {

public void onClick(DialogInterface dialog, int whichButton) {

inputDate.setText("");

}

}).show();

onDateChanged(null, 0, 0, 0);

return ad;

}

public void onTimeChanged(TimePicker view, int hourOfDay, int minute) {

onDateChanged(null, 0, 0, 0);

}

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年MM月dd日 HH:mm”);

dateTime = sdf.format(calendar.getTime());

ad.setTitle(dateTime);

}

/**

• 实现将初始日期时间2012年07月02日 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, “日”, “index”, “front”); // 日期

String time = spliteString(initDateTime, “日”, “index”, “back”); // 时间

String yearStr = spliteString(date, “年”, “index”, “front”); // 年份

String monthAndDay = spliteString(date, “年”, “index”, “back”); // 月日

String monthStr = spliteString(monthAndDay, “月”, “index”, “front”); // 月

String dayStr = spliteString(monthAndDay, “月”, “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;

}

}

/DateTimePicker/src/com/wwj/datetimepicker/DateTimePickerActivity.java

package com.wwj.datetimepicker;

import android.app.Activity;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.EditText;

/**

• 时间拾取器界面

• @author wwj_748

*/

public class DateTimePickerActivity extends Activity {

/** Called when the activity is first created. */

private EditText startDateTime;

private EditText endDateTime;

private String initStartDateTime = “2013年9月3日 14:44”; // 初始化开始时间

private String initEndDateTime = “2014年8月23日 17:44”; // 初始化结束时间

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

// 两个输入框

startDateTime = (EditText) findViewById(R.id.inputDate);

endDateTime = (EditText) findViewById(R.id.inputDate2);

startDateTime.setText(initStartDateTime);

endDateTime.setText(initEndDateTime);

startDateTime.setOnClickListener(new OnClickListener() {

public void onClick(View v) {

DateTimePickDialogUtil dateTimePicKDialog = new DateTimePickDialogUtil(

DateTimePickerActivity.this, initEndDateTime);

dateTimePicKDialog.dateTimePicKDialog(startDateTime);

}

});

endDateTime.setOnClickListener(new OnClickListener() {

public void onClick(View v) {

DateTimePickDialogUtil dateTimePicKDialog = new DateTimePickDialogUtil(

DateTimePickerActivity.this, initEndDateTime);

dateTimePicKDialog.dateTimePicKDialog(endDateTime);

}

});

}

}

自定义界面：

/DateTimePicker/res/layout/common_datetime.xml

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android=“http://schemas.android.com/apk/res/android”

android:layout_width="fill_par

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ent"

android:layout_height=“fill_parent”

android:orientation=“vertical” >

<DatePicker

android:id="@+id/datepicker"

android:layout_width=“wrap_content”

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