基于WheelView自定义的DatePickerDialog
本人利用WheelView写的一个DatePickerDialog
（还有一个TimePickerDialog，本人忘了在写在哪个项目里了，等找到了也贴上来）
先看图，有个直观的了解
DatePickerDialog代码：
DatePickerDialog的布局文件：
style:
使用：
WheelView类见附件，直接加入到你的工程中即可
（还有一个TimePickerDialog，本人忘了在写在哪个项目里了，等找到了也贴上来）
先看图，有个直观的了解
DatePickerDialog代码：
import java.util.Calendar;
import com.widget.wheel.NumericWheelAdapter;
import com.widget.wheel.OnWheelScrollListener;
import com.widget.wheel.WheelView;
import com.yirui.youbao.app.R;
import android.app.Dialog;
import android.content.Context;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
/**
*
* @author pythoner
*
*/
public class DatePickerDialog extends Dialog
{
private Button btn_left, btn_right;
private WheelView year, month, day;
private String date;//初始化显示的日期，默认为当日
public DatePickerDialog(Context context, String date)
{
// super(context);
this(context, R.style.Theme_Dialog_NoTitle, date);
// TODO Auto-generated constructor stub
}
public DatePickerDialog(Context context, int theme, String date)
{
super(context, theme);
// TODO Auto-generated constructor stub
this.date = date;
init();
}
private void init()
{
this.setCanceledOnTouchOutside(true);
this.setCancelable(true);
}
@Override
protected void onCreate(Bundle savedInstanceState)
{
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.dialog_date_picker);
initViews();
initValues();
}
private void initViews()
{
btn_left = (Button) findViewById(R.id.btn_left);
btn_left.setOnClickListener(clickListener);
btn_right = (Button) findViewById(R.id.btn_right);
btn_right.setOnClickListener(clickListener);
String icurYear, icurMonth, icurDay;
Calendar c = Calendar.getInstance();
int curYear = c.get(Calendar.YEAR);
if (date == null || date.length() < 10)
{// 格式不正确
int curMonth = c.get(Calendar.MONTH);
int curDay = c.get(Calendar.DAY_OF_MONTH);
icurYear = String.valueOf(curYear);
icurMonth = String.valueOf(curMonth + 1);
icurDay = String.valueOf(curDay);
}
else
{// 年月日
icurYear = date.substring(0, 4);
icurMonth = date.substring(5, 7);
icurDay = date.substring(8, 10);
}
year = (WheelView) findViewById(R.id.year);
year.setAdapter(new NumericWheelAdapter(curYear - 2, curYear));
// year.setLabel("年");
year.setCurrentItem(Integer.parseInt(icurYear) - Integer.parseInt(year.getAdapter().getItem(0)));
month = (WheelView) findViewById(R.id.month);
month.setAdapter(new NumericWheelAdapter(1, 12));// "%02d"
// month.setLabel("月");
month.setCyclic(true);
month.setCurrentItem(Integer.parseInt(icurMonth) - 1);
int daysOfMounth = getDaysOfMounth();
day = (WheelView) findViewById(R.id.day);
day.setAdapter(new NumericWheelAdapter(1, daysOfMounth));
// day.setLabel("日");
day.setCyclic(true);
day.setCurrentItem(Integer.parseInt(icurDay) - 1);
OnWheelScrollListener scrollListener = new OnWheelScrollListener()
{
public void onScrollingStarted(WheelView wheel)
{
}
public void onScrollingFinished(WheelView wheel)
{
int daysOfMounth = getDaysOfMounth();
day.setAdapter(new NumericWheelAdapter(1, daysOfMounth));
}
};
year.addScrollingListener(scrollListener);
month.addScrollingListener(scrollListener);
// day.addScrollingListener(scrollListener);
}
private int getDaysOfMounth()
{
int mMonth = Integer.parseInt(month.getAdapter().getItem(month.getCurrentItem()));
switch (mMonth)
{
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:
return 31;
case 4:
case 6:
case 9:
case 11:
return 30;
case 2:
int mYear = Integer.parseInt(year.getAdapter().getItem(year.getCurrentItem()));
if (mYear % 4 == 0 && mYear % 100 != 0 || mYear % 400 == 0)
{
return 29;
}
else
{
return 28;
}
}
return -1;
}
private void initValues()
{
}
View.OnClickListener clickListener = new View.OnClickListener()
{
@Override
public void onClick(View v)
{
// TODO Auto-generated method stub
switch (v.getId())
{
case R.id.btn_left:
dismiss();
break;
case R.id.btn_right:
String mYear = year.getAdapter().getItem(year.getCurrentItem());
String mMonth = month.getAdapter().getItem(month.getCurrentItem());
String mDay = day.getAdapter().getItem(day.getCurrentItem());
if (mDay == null || mDay.length() == 0)
{
mDay = "1";
}
if (Integer.parseInt(mMonth) < 10)
{
mMonth = "0" + mMonth;
}
if (Integer.parseInt(mDay) < 10)
{
mDay = "0" + mDay;
}
if (onOKClickListener != null)
{
onOKClickListener.onOKClick(mYear, mMonth, mDay);
}
dismiss();
break;
default:
break;
}
}
};
private OnOKClickListener onOKClickListener;
public interface OnOKClickListener
{
public void onOKClick(String year, String month, String date);
}
public void setOnOKClickListener(OnOKClickListener onOKClickListener)
{
this.onOKClickListener = onOKClickListener;
}
}
DatePickerDialog的布局文件：
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="250dp"
android:layout_height="wrap_content"
android:orientation="vertical"
android:gravity="center"
android:background="@drawable/bg_picker_dialog"
>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:padding="8dp"
>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:layout_weight="1"
android:gravity="center_horizontal"
>
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:scaleType="fitCenter"
/>
<com.widget.wheel.WheelView
android:id="@+id/year"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_marginBottom="10dip"
android:layout_marginTop="10dip"
android:layout_weight="1"
/>
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:scaleType="fitCenter"
/>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:layout_weight="1"
android:gravity="center_horizontal"
>
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:scaleType="fitCenter"
/>
<com.widget.wheel.WheelView
android:id="@+id/month"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_marginBottom="8dip"
android:layout_marginTop="8dip"
android:layout_weight="1" />
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:scaleType="fitCenter"
/>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:layout_weight="1"
android:gravity="center_horizontal"
>
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:scaleType="fitCenter"
/>
<com.widget.wheel.WheelView
android:id="@+id/day"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_marginBottom="8dip"
android:layout_marginTop="8dip"
android:layout_weight="1" />
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:scaleType="fitCenter"
/>
</LinearLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:background="@drawable/line_top_with_blue"
>
<Button
android:id="@+id/btn_left"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:paddingBottom="8dip"
android:paddingTop="8dip"
android:text="@string/cancel"
android:textColor="@android:color/black"
android:textSize="@dimen/font_big"
android:background="@drawable/bg_btn_trans_blue_with_no_corner"
/>
<View
android:layout_width="@dimen/line_width"
android:layout_height="match_parent"
android:background="@color/primary"
/>
<Button
android:id="@+id/btn_right"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:paddingBottom="8dip"
android:paddingTop="8dip"
android:text="@string/confirm"
android:textColor="@android:color/black"
android:textSize="@dimen/font_big"
android:background="@drawable/bg_btn_trans_blue_with_no_corner"
/>
</LinearLayout>
</LinearLayout>
style:
<style name="Theme_Dialog_NoTitle" parent="@android:style/Theme.Dialog">
<item name="android:windowFrame">@null</item>
<item name="android:windowNoTitle">true</item>
<item name="android:windowIsFloating">true</item>
<item name="android:windowIsTranslucent">true</item>
<item name="android:backgroundDimEnabled">true</item>
<item name="android:windowBackground">@android:color/transparent</item>
</style>
使用：
dialog = new DatePickerDialog(context, R.style.Theme_Dialog, btn_startDate.getText().toString().trim());
dialog.setOnOKClickListener(new DatePickerDialog.OnOKClickListener()
{
@Override
public void onOKClick(String year, String month, String date)
{
// TODO Auto-generated method stub
//dosomething
//btn_startDate.setText(year + "-" + month + "-" + date);
}
});
dialog.show();
WheelView类见附件，直接加入到你的工程中即可