首页 > 系统 > Android > 正文

Andorid实现精确到天时分秒的抢购倒计时

2019-10-22 18:15:18
字体:
来源:转载
供稿:网友

今天项目用到了抢购时倒计时的功能 ,今天找了好多哥们,也百度了好多,但是没有自己喜欢并且能消化的。好不容易找到了一个能容易看懂的,然而又不符合我想要的需求,所以自己搞一下。不知道是否简单,但是最起码是项目的功能可以实现。(一下午,没白费。开心)

直接上代码好了,我相信都能看懂。我除外。(我搞了一下午)哎。反正现在懂点了。。。

 

package com.qust.widght;import java.text.SimpleDateFormat;import java.util.Date;import java.util.Timer;import java.util.TimerTask;import android.annotation.SuppressLint;import android.content.Context;import android.os.Handler;import android.os.Message;import android.util.AttributeSet;import android.util.Log;import android.view.LayoutInflater;import android.view.View;import android.widget.LinearLayout;import android.widget.TextView;import android.widget.Toast;import com.qust.rushbuycountdowntimerview.R;@SuppressLint("HandlerLeak")public class RushBuyCountDownTimerView extends LinearLayout {  // 天,十位  private TextView tv_day_decade;  // 天,个位  private TextView tv_day_unit;  // 小时,十位  private TextView tv_hour_decade;  // 小时,个位  private TextView tv_hour_unit;  // 分钟,十位  private TextView tv_min_decade;  // 分钟,个位  private TextView tv_min_unit;  // 秒,十位  private TextView tv_sec_decade;  // 秒,个位  private TextView tv_sec_unit;  private Context context;  private int day_decade;  private int day_unit;  private int hour_decade;  private int hour_unit;  private int min_decade;  private int min_unit;  private int sec_decade;  private int sec_unit;  // 计时器  private Timer timer;  private Handler handler = new Handler() {    public void handleMessage(Message msg) {      countDown();    };  };  private int day = 0;  private int hour = 0;  private int min = 0;  private int sec = 0;  public RushBuyCountDownTimerView(Context context, AttributeSet attrs) {    super(context, attrs);    this.context = context;    LayoutInflater inflater = (LayoutInflater) context        .getSystemService(Context.LAYOUT_INFLATER_SERVICE);    View view = inflater.inflate(R.layout.view_countdowntimer, this);    tv_hour_decade = (TextView) view.findViewById(R.id.tv_hour_decade);    tv_hour_unit = (TextView) view.findViewById(R.id.tv_hour_unit);    tv_day_decade = (TextView) view.findViewById(R.id.tv_day_decade);    tv_day_unit = (TextView) view.findViewById(R.id.tv_day_unit);    tv_min_decade = (TextView) view.findViewById(R.id.tv_min_decade);    tv_min_unit = (TextView) view.findViewById(R.id.tv_min_unit);    tv_sec_decade = (TextView) view.findViewById(R.id.tv_sec_decade);    tv_sec_unit = (TextView) view.findViewById(R.id.tv_sec_unit);  }  /**   *    * @Description: 开始计时   * @param   * @return void   * @throws   */  public void start() {    if (timer == null) {      timer = new Timer();      timer.schedule(new TimerTask() {        @Override        public void run() {          handler.sendEmptyMessage(0);        }      }, 0, 1000);    }  }  /**   *    * @Description: 停止计时   * @param   * @return void   * @throws   */  public void stop() {    if (timer != null) {      timer.cancel();      timer = null;    }  }  // 如果:sum = 12345678  public void addTime(int sum) {    // 求出天数    int day = sum / 60 / 60 / 24;    // int day_time = sum % 24;    Log.e("小时", day + "");    Log.e("小时", sum % 24 + "");    // 求出小时    // int hour = day_time / 60;    // int hour_time = day_time % 60;    //    // Log.e("小时", hour + "");    //    // 先获取个秒数值    int sec = sum % 60;    // 如果大于60秒,获取分钟。(秒数)    int sec_time = sum / 60;    // 再获取分钟    int min = sec_time % 60;    // 如果大于60分钟,获取小时(分钟数)。    int min_time = sec_time / 60;    // 获取小时    int hour = min_time % 24;    // 剩下的自然是天数    day = min_time / 24;    //    // Log.e("分钟", min + "");    //    // // 求出秒数    // Log.e("秒数", sec + "");    setTime(day, hour, min, sec);  }  /**   * @throws Exception   *    * @Description: 设置倒计时的时长   * @param   * @return void   * @throws   */  public void setTime(int day, int hour, int min, int sec) {  //这里的天数不写也行,我写365    if (day >= 365 || hour >= 24 || min >= 60 || sec >= 60 || day < 0        || hour < 0 || min < 0 || sec < 0) {      throw new RuntimeException(          "Time format is error,please check out your code");    }    // day 的十位数    day_decade = day / 10;    // day的个位数,这里求余就行    day_unit = day - day_decade * 10;    hour_decade = hour / 10;    hour_unit = hour - hour_decade * 10;    min_decade = min / 10;    min_unit = min - min_decade * 10;    sec_decade = sec / 10;    sec_unit = sec - sec_decade * 10;    // 第个time 进行初始化    timeClean();  }  private void timeClean() {    tv_day_decade.setText(day_decade + "");    tv_day_unit.setText(day_unit + "");    tv_hour_decade.setText(hour_decade + "");    tv_hour_unit.setText(hour_unit + "");    tv_min_decade.setText(min_decade + "");    tv_min_unit.setText(min_unit + "");    tv_sec_decade.setText(sec_decade + "");    tv_sec_unit.setText(sec_unit + "");  }  /**   *    * @Description: 倒计时   * @param   * @return boolean   * @throws   */  public Boolean countDown() {    if (isCarry4Unit(tv_sec_unit)) {      if (isCarry4Decade(tv_sec_decade)) {        if (isCarry4Unit(tv_min_unit)) {          if (isCarry4Decade(tv_min_decade)) {            if (isDay4Unit(tv_hour_unit)) {              if (isDay4Decade(tv_hour_decade)) {                if (isDay4Unit(tv_day_unit)) {                  if (isDay4Decade(tv_day_decade)) {                    Toast.makeText(context, "时间到了",                        Toast.LENGTH_SHORT).show();                    tv_day_decade.setText("0");                    tv_day_unit.setText("0");                    tv_hour_decade.setText("0");                    tv_hour_unit.setText("0");                    tv_min_decade.setText("0");                    tv_min_unit.setText("0");                    tv_sec_decade.setText("0");                    tv_sec_unit.setText("0");                    stop();                    return false;                  }                }              }            }          }        }      }    }    return false;  }  /**   * 进行——时分秒,判断个位数   *    * @Description: 变化十位,并判断是否需要进位   * @param   * @return boolean   * @throws   */  private boolean isCarry4Decade(TextView tv) {    int time = Integer.valueOf(tv.getText().toString());    time = time - 1;    if (time < 0) {      time = 5;      tv.setText(time + "");      return true;    } else {      tv.setText(time + "");      return false;    }  }  /**   * 进行——时分秒,判断个位数   *    * @Description: 变化个位,并判断是否需要进位   * @param   * @return boolean   * @throws   */  private boolean isCarry4Unit(TextView tv) {    int time = Integer.valueOf(tv.getText().toString());    time = time - 1;    if (time < 0) {      time = 9;      tv.setText(time + "");      return true;    } else {      tv.setText(time + "");      return false;    }  }  /**   * 进行——时分秒,判断个位数   *    * @Description: 变化十位,并判断是否需要进位   * @param   * @return boolean   * @throws   */  private boolean isDay4Unit(TextView tv) {    int time = Integer.valueOf(tv.getText().toString());    time = time - 1;    if (time < 0) {      time = 3;      tv.setText(time + "");      return true;    } else {      tv.setText(time + "");      return false;    }  }  /**   * 进行——时分秒,判断个位数   *    * @Description: 变化个位,并判断是否需要进位   * @param   * @return boolean   * @throws   */  private boolean isDay4Decade(TextView tv) {    int time = Integer.valueOf(tv.getText().toString());    time = time - 1;    if (time < 0) {      time = 2;      tv.setText(time + "");      return true;    } else {      tv.setText(time + "");      return false;    }  }}

主类进行调用

package com.qust.widght;import android.app.Activity;import android.os.Bundle;import android.widget.Toast;import com.qust.rushbuycountdowntimerview.R;public class MainActivity extends Activity {  private RushBuyCountDownTimerView timerView;  @Override  protected void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentView(R.layout.activity_main);    timerView = (RushBuyCountDownTimerView) findViewById(R.id.timerView);    // 设置时间(day,hour,min,sec)    // timerView.setTime(0, 0, 0, 5);    int sum = 60;    // 把秒数传到倒计时方法中。。    timerView.addTime(sum);    // 开始倒计时    timerView.start();  }}

布局文件

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"  xmlns:tools="http://schemas.android.com/tools"  android:layout_width="match_parent"  android:layout_height="match_parent"  android:orientation="vertical" >  <com.qust.widght.RushBuyCountDownTimerView    android:id="@+id/timerView"    android:layout_width="wrap_content"    android:layout_height="wrap_content" >  </com.qust.widght.RushBuyCountDownTimerView></LinearLayout>

 

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"  android:layout_width="wrap_content"  android:layout_height="wrap_content"  android:background="@android:color/white"  android:orientation="horizontal"  android:padding="10dp" >  <TextView    android:id="@+id/tv_day_decade"    style="@style/RushBuyCountDownTimerViewStyle" />  <TextView    android:id="@+id/tv_day_unit"    style="@style/RushBuyCountDownTimerViewStyle"    android:layout_marginLeft="1dp" />  <TextView    android:layout_width="wrap_content"    android:layout_height="match_parent"    android:background="@android:color/white"    android:gravity="center"    android:text=":"    android:textColor="#4F4242"    android:textSize="30sp" />  <TextView    android:id="@+id/tv_hour_decade"    style="@style/RushBuyCountDownTimerViewStyle" />  <TextView    android:id="@+id/tv_hour_unit"    style="@style/RushBuyCountDownTimerViewStyle"    android:layout_marginLeft="1dp" />  <TextView    android:layout_width="wrap_content"    android:layout_height="match_parent"    android:background="@android:color/white"    android:gravity="center"    android:text=":"    android:textColor="#4F4242"    android:textSize="30sp" />  <TextView    android:id="@+id/tv_min_decade"    style="@style/RushBuyCountDownTimerViewStyle" />  <TextView    android:id="@+id/tv_min_unit"    style="@style/RushBuyCountDownTimerViewStyle"    android:layout_marginLeft="1dp" />  <TextView    android:layout_width="wrap_content"    android:layout_height="match_parent"    android:background="@android:color/white"    android:gravity="center"    android:text=":"    android:textColor="#4F4242"    android:textSize="30sp" />  <TextView    android:id="@+id/tv_sec_decade"    style="@style/RushBuyCountDownTimerViewStyle" />  <TextView    android:id="@+id/tv_sec_unit"    style="@style/RushBuyCountDownTimerViewStyle"    android:layout_marginLeft="1dp" /></LinearLayout>

希望可以帮到有需求的人。同时以后自己忘记时也能看一眼。

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VEVB武林网。


注:相关教程知识阅读请移步到Android开发频道。
发表评论 共有条评论
用户名: 密码:
验证码: 匿名发表