学步园

import java.text.SimpleDateFormat;

import java.util.Date;

 

import android.app.Activity;

import android.app.AlertDialog;

import android.content.Intent;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

 

public class main extends Activity implements OnClickListener {

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

    private Button btnshowDate;

    private Button btnshowTime;

 

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

        btnshowDate = (Button) findViewById(R.id.btnShowDate);

        btnshowTime = (Button) findViewById(R.id.btnShowTime);

 

        btnshowDate.setOnClickListener(this);

        btnshowTime.setOnClickListener(this);

    }

 

    @Override

    public void onClick(View v) {

        // TODO Auto-generated method stub

        switch (v.getId()) {

        case R.id.btnShowDate: {

            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");

            showDialog("当前日期", sdf.format(new Date()));

            break;

        }

        case R.id.btnShowTime: {

            SimpleDateFormat sdf = new SimpleDateFormat("HH:mm:ss");

            showDialog("当前时间", sdf.format(new Date()));

            break;

        }

        }

    }

 

    private void showDialog(String title, String msg) {

        AlertDialog.Builder builder = new AlertDialog.Builder(this);

        builder.setIcon(android.R.drawable.ic_dialog_info);

        builder.setTitle(title);

        builder.setMessage(msg);

        builder.setPositiveButton("确定", null);

        builder.create().show();

        Intent intent;

    }

}