Android 之高仿活动时分秒倒计时

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 java.util.Timer;
import java.util.TimerTask;

/**
* Created by Administrator on 2017/10/31.
*/

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 long day_decade;
private long day_unit;

private long hour_decade;
private long hour_unit;
private long min_decade;
private long min_unit;
private long sec_decade;
private long 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(long sum) {

// 求出天数
long 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
long sec = sum % 60;
// 如果大于60秒，获取分钟。（秒数）
long sec_time = sum / 60;
// 再获取分钟
long min = sec_time % 60;
// 如果大于60分钟，获取小时（分钟数）。
long min_time = sec_time / 60;
// 获取小时
long 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(long day, long hour, long min, long 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;
}

}

}

2.MainActivity

public class MainActivity extends AppCompatActivity {private RushBuyCountDownTimerView timerView;@Overrideprotected 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);long sum =  346471;// 把秒数传到倒计时方法中。。timerView.addTime(sum);// 开始倒计时timerView.start();}}

<?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" ><TextViewandroid:id="@+id/tv_day_decade"android:layout_width="wrap_content"android:layout_height="match_parent" /><TextViewandroid:id="@+id/tv_day_unit"android:layout_width="wrap_content"android:layout_height="match_parent"android:layout_marginLeft="1dp" /><TextViewandroid: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" /><TextViewandroid:id="@+id/tv_hour_decade"android:layout_width="wrap_content"android:layout_height="match_parent" /><TextViewandroid:id="@+id/tv_hour_unit"android:layout_width="wrap_content"android:layout_height="match_parent"        android:layout_marginLeft="1dp" /><TextViewandroid: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" /><TextViewandroid:id="@+id/tv_min_decade"android:layout_width="wrap_content"android:layout_height="match_parent" /><TextViewandroid:id="@+id/tv_min_unit"android:layout_width="wrap_content"android:layout_height="match_parent"android:layout_marginLeft="1dp" /><TextViewandroid: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" /><TextViewandroid:id="@+id/tv_sec_decade"android:layout_width="wrap_content"android:layout_height="match_parent" /><TextViewandroid:id="@+id/tv_sec_unit"android:layout_width="wrap_content"android:layout_height="match_parent"android:layout_marginLeft="1dp" /></LinearLayout>

<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.artfoxlive.org.myapplication.RushBuyCountDownTimerViewandroid:id="@+id/timerView"android:layout_width="wrap_content"android:layout_height="wrap_content" ></com.artfoxlive.org.myapplication.RushBuyCountDownTimerView></LinearLayout>