先看效果圖

如何使用

import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;

public class MainActivity extends Activity {
	WheelMain wheelMain;
	EditText txttime;
	DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		txttime = (EditText) findViewById(R.id.txttime);
		Calendar calendar = Calendar.getInstance();
		txttime.setText(calendar.get(Calendar.YEAR) + "-"
				+ (calendar.get(Calendar.MONTH) + 1) + "-"
				+ calendar.get(Calendar.DAY_OF_MONTH) + "");
		Button btnselecttime = (Button) findViewById(R.id.button1);
		btnselecttime.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View arg0) {
				LayoutInflater inflater = LayoutInflater
						.from(MainActivity.this);
				final View timepickerview = inflater.inflate(
						R.layout.timepicker, null);
				ScreenInfo screenInfo = new ScreenInfo(MainActivity.this);
				wheelMain = new WheelMain(timepickerview, true);
				wheelMain.screenheight = screenInfo.getHeight();
				String time = txttime.getText().toString();
				Calendar calendar = Calendar.getInstance();
				if (JudgeDate.isDate(time, "yyyy-MM-dd")) {
					try {
						calendar.setTime(dateFormat.parse(time));
					} catch (ParseException e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
					}
				}
				int year = calendar.get(Calendar.YEAR);
				int month = calendar.get(Calendar.MONTH);
				int day = calendar.get(Calendar.DAY_OF_MONTH);
				int h = calendar.getTime().getHours();
				int m = calendar.getTime().getMinutes();
				wheelMain.initDateTimePicker(year, month, day, h, m);
				new AlertDialog.Builder(MainActivity.this)
						.setTitle("選擇時間")
						.setView(timepickerview)
						.setPositiveButton("確定",
								new DialogInterface.OnClickListener() {
									@Override
									public void onClick(DialogInterface dialog,
											int which) {
										txttime.setText(wheelMain.getTime());
									}
								})
						.setNegativeButton("取消",
								new DialogInterface.OnClickListener() {
									@Override
									public void onClick(DialogInterface dialog,
											int which) {
									}
								}).show();
			}
		});
	}
}

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