效果圖：
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import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import com.example.mytoolutils.datepickAndnumberpick.DatepickerAndNumberpicker;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.os.Bundle;
import android.text.format.DateFormat;
import android.widget.DatePicker;
import android.widget.NumberPicker;
import android.widget.NumberPicker.OnValueChangeListener;
import android.widget.TextView;
import android.widget.DatePicker.OnDateChangedListener;
public class PickerActivity extends Activity implements OnValueChangeListener {
private int Myear=0,MmonthOfYear=0,MdayOfMonth=0;
private NumberPicker numberpicker1,numberpicker2;
private TextView textView1,textView2;
private SimpleDateFormat sFormat;
private Date date;
/** 中間分割線顏色*/
private String halvinglineColor="#FF0000";
/** 省份*/
private String[] province={"黑龍江省","遼寧省","河南省","吉林省","山西省"," 青海省","山東省",
"江蘇省","安徽省","福建省","江西省","湖南省","湖北省","廣東省"," 臺灣省","海南省"};
/** 城市*/
private String[][]city={
{"哈爾濱","齊齊哈爾","雞西","鶴崗","雙鴨山","大慶","伊春","佳木斯","七臺河","牡丹江","黑河","綏化"},
{"瀋陽","大連","鞍山","營口","盤錦","錦州","撫順","本溪","遼陽","丹東","葫蘆島","鐵嶺","朝陽","阜新"},
{"鄭州","開封","洛陽","平頂山","安陽","鶴壁","新鄉","焦作","濮陽"," 許昌","漯河","三門峽","南陽","商丘","信陽","周口","駐馬店","濟源"},
{"長春","九臺","榆樹","德惠","吉林","蛟河","樺甸","舒蘭","磐石","四平","公主嶺","雙遼","遼源",
"通化","梅河口","集安","白山","臨江","松原","白城","洮南","大安","延吉","圖們","敦化","琿春","龍井","和龍 "},
{"太原","大同","陽泉","長治","晉城","朔州","晉中","運城","忻州","臨汾","呂梁 "},
{"西寧 ","格爾木","西寧","玉樹","果洛","海東","海西","海南","海北"},
{"濟南","青島","淄博","棗莊","東營","煙臺","濰坊","濟寧","泰安","威海","日照","萊蕪","臨沂","德州","聊城","濱州","荷澤"},
{"南京","無錫","徐州","常州","蘇州","南通","連雲港","淮安","鹽城","揚州","鎮江","泰州","宿遷 "},
{"合肥","蕪湖","蚌埠","淮南","馬鞍山","淮北","銅陵","安慶","桐城","黃山","滁州","天長","明光","阜陽","界首","宿州","巢湖","六安","亳州","池州","宣城","寧國"},
{"福州","廈門","莆田","三明","泉州","漳州","南平","龍巖","寧德"},
{"南昌","九江","上饒","撫州","宜春","吉安","贛州","景德鎮","萍鄉","新餘","鷹潭","樂平","瑞昌","貴溪","南康","豐城","樟樹","高安","德興","臨川"," 瑞金","井岡山"},
{"長沙","株洲","湘潭","衡陽","邵陽","岳陽","常德","張家界","益陽","郴洲","永州","懷化","婁底"},
{"武漢","黃石","十堰","荊州","宜昌","襄樊","鄂州","荊門","孝感","黃岡","咸寧","隨州"},
{"廣州","深圳","珠海","汕頭","佛山","韶關","湛江","肇慶","江門","茂名","惠州","梅州","汕尾","河源","陽江","清遠","東莞","中山","潮州","揭陽","雲浮 ,"
+ "增城","從化","南雄","樂昌","英德","連州","台山","開平","鶴山","恩平","廉江","雷州","吳川","高州","化州","信宜","高要","四會","興寧","陸豐","陽春","普寧","羅定 "},
{"臺北","高雄","基隆","臺中","臺南","新竹","嘉義"},
{"海口","三亞","瓊海","文昌","萬寧","儋州","東方","五指山"}};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_picker);
initview();
initDate();
initNumber();
}
private void initview() {
textView1=(TextView) findViewById(R.id.textview1);
textView2=(TextView) findViewById(R.id.textview2);
textView2.setText(city[0][0]);
}
/**
* set numberpicker
*/
private void initNumber() {
numberpicker1=(NumberPicker) findViewById(R.id.numberpicker1);
numberpicker2=(NumberPicker) findViewById(R.id.numberpicker2);
DatepickerAndNumberpicker.SetNumberPicker(numberpicker1, province, halvinglineColor);
DatepickerAndNumberpicker.SetNumberPicker(numberpicker2, city[0], halvinglineColor);
numberpicker1.setOnValueChangedListener(this);
numberpicker2.setOnValueChangedListener(this);
}
/**
* set datepicker
*/
@SuppressLint("SimpleDateFormat")
private void initDate() {
DatePicker datePicker=(DatePicker)findViewById(R.id.datapicker);
DatepickerAndNumberpicker.SetDatePicker(datePicker, halvinglineColor);
Calendar cal = Calendar.getInstance();
int year=cal.get(Calendar.YEAR);
int monthOfYear=cal.get(Calendar.MONTH);
int dayOfMonth=cal.get(Calendar.DAY_OF_MONTH);
sFormat = new SimpleDateFormat("yyyy-MM-dd");
datePicker.init(year, monthOfYear, dayOfMonth, new OnDateChangedListener() {
@Override
public void onDateChanged(DatePicker view, int year, int monthOfYear,
int dayOfMonth) {
Myear=year;
MmonthOfYear=++monthOfYear;
MdayOfMonth=dayOfMonth;
try {
date = sFormat.parse(Myear+"-"+MmonthOfYear+"-"+MdayOfMonth);
textView1.setText(DateFormat.format("yyyy-MM-dd", date));
} catch (ParseException e) {
e.printStackTrace();
}
}
});
}
private int cityone=0;
@Override
public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
switch (picker.getId()) {
case R.id.numberpicker1:
cityone=newVal;
int oldlen=city[oldVal].length;
int newlen=city[newVal].length;
if(oldlen<=newlen){
numberpicker2.setMaxValue(city[oldVal].length-1);
}else{
numberpicker2.setMaxValue(city[newVal].length-1);
}
numberpicker2.setDisplayedValues(city[newVal]);
textView2.setText(city[newVal][0]);
break;
case R.id.numberpicker2:
String nowcityname=city[cityone][newVal].toString();
textView2.setText(nowcityname);
break;
default:
break;
}
}
}
DatepickerAndNumberpicker，使用了HalvingLineUtils工具類，修改中間分割線顏色:
import android.annotation.SuppressLint;
import android.widget.DatePicker;
import android.widget.NumberPicker;
/**
* set datepicker and numberpicker
*
*/
public class DatepickerAndNumberpicker {
/**
* 設置datepick
* @param datePicker
* @param String halvinglineColor 設置分割線顏色 可設爲null
*/
@SuppressLint("SimpleDateFormat")
public static void SetDatePicker(DatePicker datePicker,String halvinglineColor){
datePicker.setDescendantFocusability(DatePicker.FOCUS_BLOCK_DESCENDANTS);
datePicker.setCalendarViewShown(false);
if(halvinglineColor!=null&&!halvinglineColor.equals("")){
HalvingLineUtils.setDatePickerDividerColor(datePicker,halvinglineColor);
}
}
/**
* 設置NumberPicker
* 多級聯動 通過設置setDisplayedValues();
* @param numberpicker
* @param String[]data
* @param halvinglineColor 設置分割線顏色 可設爲null
*/
@SuppressLint("NewApi")
public static void SetNumberPicker(NumberPicker numberpicker,String[]data,String halvinglineColor){
numberpicker.setDisplayedValues(data);
numberpicker.setMinValue(0);
numberpicker.setMaxValue(data.length-1);
numberpicker.setDescendantFocusability(NumberPicker.FOCUS_BLOCK_DESCENDANTS);
if(halvinglineColor!=null&&!halvinglineColor.equals("")){
HalvingLineUtils.setNumberPickerDividerColor(numberpicker,halvinglineColor);
}
}
}
R.layout.activity_picker：
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:orientation="vertical"
tools:context="com.example.mytoolutils.PickerActivity" >
<DatePicker
android:id="@+id/datapicker"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1" />
<TextView
android:id="@+id/textview1"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="0.2"
android:gravity="center" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_margin="10dp"
android:layout_weight="1"
android:orientation="horizontal" >
<NumberPicker
android:id="@+id/numberpicker1"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_marginRight="5dp"
android:layout_weight="1" />
<NumberPicker
android:id="@+id/numberpicker2"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_marginLeft="5dp"
android:layout_weight="1" />
</LinearLayout>
<TextView
android:id="@+id/textview2"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="0.2"
android:gravity="center" />
</LinearLayout>
