Android倒计时：计算两个时间将得到的时间差转化为倒计时(xx时xx分xx秒格式)

public class RushBuyCountDownTimerView extends LinearLayout {

// 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 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();
}

;
};

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_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);

}

/**
* @param
* @return void
* @throws
* @Description: 开始计时
*/
public void start() {

if (timer == null) {
timer = new Timer();
timer.schedule(new TimerTask() {

@Override
public void run() {
handler.sendEmptyMessage(0);
}
}, 0, 1000);
}
}

/**
* @param
* @return void
* @throws
* @Description: 停止计时
*/
public void stop() {
if (timer != null) {
timer.cancel();
timer = null;
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 + "");
}
}

/**
* @param
* @return void
* @throws Exception
* @throws
* @Description: 设置倒计时的时长
*/
public void setTime(String hour, String min, String sec) {

int Hour = Integer.parseInt(hour);
int Min = Integer.parseInt(min);
int Second = Integer.parseInt(sec);

if (Hour >= 120 || Min >= 60 || Second >= 60 || Hour < 0 || Min < 0
|| Second < 0) {
throw new RuntimeException("error:check your time");
}

hour_decade = Hour / 10;
hour_unit = Hour - hour_decade * 10;

min_decade = Min / 10;
min_unit = Min - min_decade * 10;

sec_decade = Second / 10;
sec_unit = Second - sec_decade * 10;

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 + "");

}

/**
* @param
* @return boolean
* @throws
* @Description: 倒计时
*/
private void countDown() {

if (isCarry4Unit(tv_sec_unit)) {
if (isCarry4Decade(tv_sec_decade)) {

if (isCarry4Unit(tv_min_unit)) {
if (isCarry4Decade(tv_min_decade)) {

if (isCarry4Unit(tv_hour_unit)) {
if (isCarry4Decade(tv_hour_decade)) {
// ToastUtil.safeShowToast(TLApplication.mContext, "Time limited");
stop();
}
}
}
}
}
}
}

/**
* @param
* @return boolean
* @throws
* @Description: 变化十位，并判断是否需要进位
*/
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;
}

}

/**
* @param
* @return boolean
* @throws
* @Description: 变化个位，并判断是否需要进位
*/
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;
}

}
}

view_countdowntimer.xml:

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#FF0000"
android:padding="5dp">

<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content">

<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center"
android:text="倒计时："
android:textColor="#FFFFFF" />

<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:gravity="center"
android:text="时"
android:textColor="#FFFFFF"
android:textSize="16sp" />

<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:gravity="center"
android:text="分"
android:textColor="#FFFFFF"
android:textSize="16sp" />

<TextView
android:id="@+id/tv_sec_decade"
style="@style/RushBuyCountDownTimerViewStyle" />

<TextView
android:id="@+id/tv_sec_unit"
style="@style/RushBuyCountDownTimerViewStyle"
android:layout_marginLeft="1dp" />

<TextView
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:gravity="center"
android:text="秒"
android:textColor="#FFFFFF"
android:textSize="16sp" />

</LinearLayout>

</FrameLayout>

RushBuyCountDownTimerViewStyle:

<style name="RushBuyCountDownTimerViewStyle">
<item name="android:layout_width">wrap_content</item>
<item name="android:layout_height">wrap_content</item>
<item name="android:gravity">center</item>
<item name="android:text">0</item>
<item name="android:textColor">#FFFFFF</item>
<item name="android:textSize">16sp</item>

/** 将格林威治时间格式转为指定的时间格式 */
public static String GTMToLocal(String GTMDate) {

int tIndex = GTMDate.indexOf("T");
String dateTemp = GTMDate.substring(0, tIndex);
String timeTemp = GTMDate.substring(tIndex + 1, GTMDate.length() - 6);
String convertString = dateTemp + " " + timeTemp;

SimpleDateFormat format;
format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.ENGLISH);
Date result_date;
long result_time = 0;

if (null == GTMDate) {
return GTMDate;
} else {
try {
format.setTimeZone(TimeZone.getTimeZone("GMT00:00"));
result_date = format.parse(convertString);
result_time = result_date.getTime();
format.setTimeZone(TimeZone.getDefault());
return format.format(result_time);
} catch (Exception e) {
e.printStackTrace();
}
}
return GTMDate;

}

String startTime = StringUtil.GTMToLocal("2015-12-28T12:49:13.45425+08:00");
String endTime = StringUtil.GTMToLocal("2015-12-31T00:17:13.45425+08:00");

DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

try {
Date d1 = df.parse(startTime);
Date d2 = df.parse(endTime);
long diff = d2.getTime() - d1.getTime(); // mslong days = diff / (1000 * 60 * 60 * 24);
long hours = (diff - days * (1000 * 60 * 60 * 24)) / (1000 * 60 * 60);
long minutes = (diff - days * (1000 * 60 * 60 * 24) - hours * (1000 * 60 * 60)) / (1000 * 60);
long second = (diff / 1000 - days * 24 * 60 * 60 - hours * 60 * 60 - minutes * 60);

hours += days * 24;

// RushBuyCountDownTimerView timerView;  需要初始化timerView

timerView.setTime(hours + "", minutes + "", second + "");
timerView.start();

} catch (Exception e) {
e.printStackTrace();
}