Andorid实现精确到天时分秒的抢购倒计时

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;  } }}

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(); }}

<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>