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，個位  private TextView tv_day_unit;  // 小時，十位  private TextView tv_hour_decade;  // 小時，個位  private TextView tv_hour_unit;  // 分鐘，十位  private TextView tv_min_decade;  // 分鐘，個位  private TextView tv_min_unit;  // 秒，十位  private TextView tv_sec_decade;  // 秒，個位  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;  // 計時器  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: 開始計時   * @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: 停止計時   * @param   * @return void   * @throws   */  public void stop() {    if (timer != null) {      timer.cancel();      timer = null;    }  }  // 如果:sum = 12345678  public void addTime(int sum) {    // 求出天數(shù)    int day = sum / 60 / 60 / 24;    // int day_time = sum % 24;    Log.e("小時", day + "");    Log.e("小時", sum % 24 + "");    // 求出小時    // int hour = day_time / 60;    // int hour_time = day_time % 60;    //    // Log.e("小時", hour + "");    //    // 先獲取個秒數(shù)值    int sec = sum % 60;    // 如果大于60秒，獲取分鐘。（秒數(shù)）    int sec_time = sum / 60;    // 再獲取分鐘    int min = sec_time % 60;    // 如果大于60分鐘，獲取小時（分鐘數(shù)）。    int min_time = sec_time / 60;    // 獲取小時    int hour = min_time % 24;    // 剩下的自然是天數(shù)    day = min_time / 24;    //    // Log.e("分鐘", min + "");    //    // // 求出秒數(shù)    // Log.e("秒數(shù)", sec + "");    setTime(day, hour, min, sec);  }  /**   * @throws Exception   *    * @Description: 設置倒計時的時長   * @param   * @return void   * @throws   */  public void setTime(int day, int hour, int min, int sec) {  //這里的天數(shù)不寫也行，我寫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 的十位數(shù)    day_decade = day / 10;    // day的個位數(shù),這里求余就行    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;    // 第個time 進行初始化    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: 倒計時   * @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, "時間到了",                        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;  }  /**   * 進行——時分秒，判斷個位數(shù)   *    * @Description: 變化十位，并判斷是否需要進位   * @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;    }  }  /**   * 進行——時分秒，判斷個位數(shù)   *    * @Description: 變化個位，并判斷是否需要進位   * @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;    }  }  /**   * 進行——時分秒，判斷個位數(shù)   *    * @Description: 變化十位，并判斷是否需要進位   * @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;    }  }  /**   * 進行——時分秒，判斷個位數(shù)   *    * @Description: 變化個位，并判斷是否需要進位   * @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);    // 設置時間(day,hour,min,sec)    // timerView.setTime(0, 0, 0, 5);    int sum = 60;    // 把秒數(shù)傳到倒計時方法中。。    timerView.addTime(sum);    // 開始倒計時    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>