Android实现京东秒杀界面

package com.bwie.com.myapplication;

import android.os.Handler;
import android.os.Message;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.widget.TextView;

import java.sql.Date;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;

public class MainActivity extends AppCompatActivity {

  private TextView miaosha_time;
  private TextView miaosha_shi;
  private TextView miaosha_minter;
  private TextView miaosha_second;
  private Handler handler = new Handler() {
    @Override
    public void handleMessage(Message msg) {
      super.handleMessage(msg);
      setTime();
      sendEmptyMessageDelayed(0, 1000);
    }
  };
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    initView();
    handler.sendEmptyMessage(0);

  }
  public void initView(){
    miaosha_time = (TextView) findViewById(R.id.tv_miaosha_time);
    miaosha_shi = (TextView) findViewById(R.id.tv_miaosha_shi);
    miaosha_minter = (TextView) findViewById(R.id.tv_miaosha_minter);
    miaosha_secOnd= (TextView) findViewById(R.id.tv_miaosha_second);
  }

  //秒杀倒计时
  public void setTime() {
    SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    Date curDate = new Date(System.currentTimeMillis());
    String format = df.format(curDate);
    StringBuffer buffer = new StringBuffer();
    String substring = format.substring(0, 11);
    buffer.append(substring);
    Log.d("ccc", substring);
    Calendar calendar = Calendar.getInstance();
    int hour = calendar.get(Calendar.HOUR_OF_DAY);
    if (hour % 2 == 0) {
      miaosha_time.setText(hour + "点场");
      buffer.append((hour + 2));
      buffer.append(":00:00");
    } else {
      miaosha_time.setText((hour - 1) + "点场");
      buffer.append((hour + 1));
      buffer.append(":00:00");
    }
    String totime = buffer.toString();
    try {
      java.util.Date date = df.parse(totime);
      java.util.Date date1 = df.parse(format);
      long defferenttime = date.getTime() - date1.getTime();
      long days = defferenttime / (1000 * 60 * 60 * 24);
      long hours = (defferenttime - days * (1000 * 60 * 60 * 24)) / (1000 * 60 * 60);
      long minute = (defferenttime - days * (1000 * 60 * 60 * 24) - hours * (1000 * 60 * 60)) / (1000 * 60);
      long secOnds= defferenttime % 60000;
      long secOnd= Math.round((float) seconds / 1000);
      miaosha_shi.setText("0" + hours + "");
      if (minute >= 10) {
        miaosha_minter.setText(minute + "");
      } else {
        miaosha_minter.setText("0" + minute + "");
      }
      if (second >= 10) {
        miaosha_second.setText(second + "");
      } else {
        miaosha_second.setText("0" + second + "");
      }


    } catch (ParseException e) {
      e.printStackTrace();
    }
  }
}

<&＃63;xml version="1.0" encoding="utf-8"&＃63;>


  

    

    

    


      

      

      

      

      
    
  

<&＃63;xml version="1.0" encoding="utf-8"&＃63;>