本文实例为大家分享了Android实现京东秒杀界面展示的具体代码，供大家参考，具体内容如下
效果图：
京东秒杀是两个小时一个场次，判断本机的时间进行场次定时，然后在这两个小时里面进行倒计时。
MainActivity
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();
}
}
}
布局文件：
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context="com.bwie.com.myapplication.MainActivity">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="40dp"
android:gravity="center_vertical">
<TextView
android:id="@+id/tv_miaosha"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:text="京东秒杀"
android:textColor="#f00" />
<TextView
android:id="@+id/tv_miaosha_time"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:padding="5dp"
android:text="10点场" />
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<TextView
android:id="@+id/tv_miaosha_shi"
android:layout_width="15dp"
android:layout_height="15dp"
android:background="@drawable/shape_miaosha_time"
android:gravity="center"
android:text="1"
android:textColor="#fff"
android:textSize="10sp" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:padding="3dp"
android:text=":" />
<TextView
android:id="@+id/tv_miaosha_minter"
android:layout_width="15dp"
android:layout_height="15dp"
android:background="@drawable/shape_miaosha_time"
android:gravity="center"
android:text="1"
android:textColor="#fff"
android:textSize="10sp" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:padding="3dp"
android:text=":" />
<TextView
android:id="@+id/tv_miaosha_second"
android:layout_width="15dp"
android:layout_height="15dp"
android:background="@drawable/shape_miaosha_time"
android:gravity="center"
android:text="1"
android:textColor="#fff"
android:textSize="10sp" />
</LinearLayout>
</LinearLayout>
</RelativeLayout>
shape_miaosha_time.xml（对倒计时小黑框圆角的实现）
<?xml version="1.0" encoding="utf-8"?> <shape android:shape="rectangle" xmlns:android="http://schemas.android.com/apk/res/android"> <solid android:color="#000"></solid> <corners android:radius="3dp"></corners> </shape>
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。
