Android中自定义View仿京东秒杀倒计时
Android中自定义View仿京东秒杀倒计时
效果图
1.创建View：
"1.0" encoding="utf-8"?>
"http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:padding="@dimen/j2dp">
"@+id/lay_days"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:orientation="horizontal"
android:gravity="center">
"wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/goodsdetail_timer_bg"
android:gravity="center"
android:paddingLeft="3dp"
android:paddingRight="3dp">
"@+id/tv_days_decade"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="0"
android:textColor="@color/text_10"
android:textSize="@dimen/j18dp"
android:textStyle="bold"
/>
"@+id/tv_days_unit"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="0"
android:textColor="@color/text_10"
android:textSize="@dimen/j18dp"
android:textStyle="bold"
/>
"wrap_content"
android:layout_height="match_parent"
android:gravity="center"
android:text="天"
android:textSize="@dimen/j12dp"
android:textColor="@color/white"/>
"@+id/lay_hour"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/goodsdetail_timer_bg"
android:gravity="center"
android:paddingLeft="3dp"
android:paddingRight="3dp">
"@+id/tv_hour_decade"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="0"
android:textColor="@color/text_10"
android:textSize="@dimen/j18dp"
android:textStyle="bold"
/>
"@+id/tv_hour_unit"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="0"
android:textColor="@color/text_10"
android:textSize="@dimen/j18dp"
android:textStyle="bold"
/>
"wrap_content"
android:layout_height="match_parent"
android:layout_marginLeft="@dimen/j3dp"
android:layout_marginRight="@dimen/j3dp"
android:gravity="center"
android:text=":"
android:textColor="@color/white"
android:textSize="@dimen/j18dp"/>
"@+id/lay_min"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/goodsdetail_timer_bg"
android:gravity="center"
android:paddingLeft="3dp"
android:paddingRight="3dp">
"@+id/tv_min_decade"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="0"
android:textColor="@color/text_10"
android:textSize="@dimen/j18dp"
android:textStyle="bold"
/>
"@+id/tv_min_unit"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="0"
android:textColor="@color/text_10"
android:textSize="@dimen/j18dp"
android:textStyle="bold"
/>
"wrap_content"
android:layout_height="match_parent"
android:layout_marginLeft="@dimen/j3dp"
android:layout_marginRight="@dimen/j3dp"
android:gravity="center"
android:text=":"
android:textColor="@color/white"
android:textSize="@dimen/j18dp"/>
"@+id/lay_s"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/goodsdetail_timer_bg"
android:gravity="center"
android:paddingLeft="3dp"
android:paddingRight="3dp">
"@+id/tv_sec_decade"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="0"
android:textColor="@color/text_10"
android:textSize="@dimen/j18dp"
android:textStyle="bold"
/>
"@+id/tv_sec_unit"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="0"
android:textColor="@color/text_10"
android:textSize="@dimen/j18dp"
android:textStyle="bold"
/>
goodsdetail_timer_bg.xml
"1.0" encoding="utf-8"?>
"http://schemas.android.com/apk/res/android" >
"@color/white" />
"1dp" />
"2dp" android:color="#ffffff" />
2.重写View：
@SuppressLint("HandlerLeak")
public class GoodsDetailTimerView extends LinearLayout { // 天数，十位 private TextView tv_days_decade; // 天数，个位 private TextView tv_days_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; //布局：时 ，分，秒 private LinearLayout layHour, layMin, layS, layDays; private Context context; private int day; private int days_decade; private int days_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(); } }; // 回调接口 public interface OnTimeOutCallBack { void onCallBack(); } private OnTimeOutCallBack callBack; public GoodsDetailTimerView(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_goodsdetailtimer, this); tv_days_decade = (TextView) view.findViewById(R.id.tv_days_decade); tv_days_unit = (TextView) view.findViewById(R.id.tv_days_unit); 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); layDays = (LinearLayout) view.findViewById(R.id.lay_days); layHour = (LinearLayout) view.findViewById(R.id.lay_hour); layMin = (LinearLayout) view.findViewById(R.id.lay_min); layS = (LinearLayout) view.findViewById(R.id.lay_s); } public void setOnTimeOutCallBack(OnTimeOutCallBack callBack) { this.callBack = callBack; } /** * @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;
}
}
/**
* @param
* @return void
* @throws Exception
* @throws
* @Description: 设置倒计时的时长
*/
public void setTime(int day, int hour, int min, int sec) {
try {
if (hour >= 24 || min >= 60 || sec >= 60 || hour < 0 || min < 0 || sec < 0) {
throw new RuntimeException("Time format is error,please check out your code");
}
this.day = day;
days_decade = day / 10;
days_unit = day - days_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;
tv_days_decade.setText(days_decade + "");
tv_days_unit.setText(days_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 + "");
if (day <= 0) {
layDays.setVisibility(GONE);
} else {
layDays.setVisibility(VISIBLE);
}
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* @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 (isHourUnit(tv_hour_unit)) {
if (isHourDecade(tv_hour_decade)) {
if (isDayUnit(tv_days_unit)) {
if (isDayDecade(tv_days_decade)) {
if (callBack != null) {
callBack.onCallBack();
}
Log.d("TEST", "时间到了");
stop();
}
}
}
}
}
}
}
}
}
/**
* @param
* @return boolean
* @throws
* @Description: 天数变化十位，并判断是否需要进位
*/
private boolean isDayDecade(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;
}
}
/**
* @param
* @return boolean
* @throws
* @Description: 天数变化个位，并判断是否需要进位
*/
private boolean isDayUnit(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;
}
}
/**
* @param
* @return boolean
* @throws
* @Description: 小时变化十位，并判断是否需要进位
*/
private boolean isHourDecade(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;
}
}
/**
* @param
* @return boolean
* @throws
* @Description: 小时变化个位，并判断是否需要进位
*/
private boolean isHourUnit(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;
}
}
/**
* @param
* @return boolean
* @throws
* @Description: 分钟、秒钟变化十位，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: 分钟、秒钟变化个位，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;
}
}
}"@+id/timerView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/> 启动计时器
GoodsDetailTimerView timerView=(LinearLayout) view.findViewById(R.id.lay_timerview);
timerView.setTime(day, hour, min, s);// 设置时间(day,hour,min,sec)
timerView.start();// 开始倒计时timerView.stop();// 停止倒计时