简答的秒杀倒计时

来源：互联网发布：张艾嘉爱的代价知乎编辑：程序博客网时间：2024/05/22 03:15

这里写图片描述

CountTimeView

public class CountTimeView extends LinearLayout implements Runnable {    private TextView tv_hour;    private TextView tv_minute;    private TextView tv_second;    private onStopListener stopListener;    private Context context;    private long mHour, mMin, mSecond;//小时，分钟，秒    private boolean run=false; //是否启动了    private TextView sep_hour;    private TextView sep_second;    private TextView tv_pre;    public CountTimeView(Context context) {        super(context);        init(context);    }    public CountTimeView(Context context, AttributeSet attrs) {        super(context, attrs);        init(context);    }    private void init(Context context) {        this.context=context;        View view = View.inflate(context, R.layout.count_time_layout, this);        tv_hour = (TextView) view.findViewById(R.id.hour);        tv_minute = (TextView) view.findViewById(R.id.minute);        tv_second = (TextView) view.findViewById(R.id.second);        sep_hour = (TextView) view.findViewById(R.id.sep_hour);        sep_second = (TextView) view.findViewById(R.id.sep_second);        tv_pre = (TextView) view.findViewById(R.id.tv_pre);    }    /**     * 设置提示文字 如：离抢购结束还剩：     * @param text     */    public void setPreText(String text){            tv_pre.setText(text);    }    /**     * 设置字体大小     * @param size     */    public void setTextSize(int size){        size = dip2px(context, size);        tv_hour.setTextSize(size);        tv_minute.setTextSize(size);        tv_second.setTextSize(size);        sep_hour.setTextSize(size);        sep_second.setTextSize(size);        tv_pre.setTextSize(size+2);    }    /**     * 设置倒计时时间     * @param times 传一个数组，分别为小时，分钟，秒     */    public CountTimeView setTimes(long[] times) {        mHour = times[0];        mMin = times[1];        mSecond = times[2];        return this;    }    /**     * 倒计时计算     */    private void ComputeTime() {        mSecond--;        if (mSecond < 0) {            mMin--;            mSecond = 59;            if (mMin < 0) {                mMin = 59;                mHour--;                if (mHour <0) {                    // 倒计时结束                    mHour=0;                    mSecond=0;                    mMin=0;                    stop();                }            }        }    }    public boolean isRun() {        return run;    }    /**     * 开始倒计时     */    public void start() {        if(run)return;        if(mHour==0&&mMin==0&&mSecond==0)return;        this.run = true;        run();    }    /**     * 停止计时     */    public void stop(){        this.run = false;        //倒计时完成监听        if(stopListener!=null){            stopListener.stopListener(mHour,mMin,mSecond);        }        if (mListRefreshList.size()>0) {            for (int i =0; i< mListRefreshList.size();i++) {                mListRefreshList.get(i).onRefreshListerner();            }        }    }    /**     * 在onDestroy方法移除回调     */    public void removeCallbacks(){        removeCallbacks(this);    }    @Override    public void run() {        //标示已经启动        if(run){            ComputeTime();            setText();            postDelayed(this, 1000);        }else {            removeCallbacks(this);        }    }    private void setText(){        if(mHour<=9){            tv_hour.setText("0"+mHour);        }else {            tv_hour.setText(""+mHour);        }        if(mMin<=9){            tv_minute.setText("0"+mMin);        }else {            tv_minute.setText(""+mMin);        }        if(mSecond<=9){            tv_second.setText("0"+mSecond);        }else {            tv_second.setText(""+mSecond);        }    }    /**     * 设置倒计时完成的监听     * @param stopListener     */    public void setOnStopListener(onStopListener stopListener){    this.stopListener=stopListener;}//********************************************************************************************************    private static int dip2px(Context context, float dpValue) {        final float scale = context.getResources().getDisplayMetrics().density;        return (int) (dpValue * scale + 0.5f);    }    private List<IDataRefreshListener> mListRefreshList = new ArrayList<>();    public  interface IDataRefreshListener {        public void onRefreshListerner();    }    public void addDataOnRefreshListener (IDataRefreshListener listener){        mListRefreshList.add(listener);    }    public void removeDataOnRefreshListener(IDataRefreshListener listener) {        mListRefreshList.remove(listener);    }  public   interface onStopListener{        void stopListener(long hour, long min, long second);    }}

count_time_layout

<?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:orientation="vertical">    <TextView        android:textColor="@color/small_gray_color"        android:textSize="13sp"        android:id="@+id/tv_pre"        android:text="距离抢购结束还有："        android:textStyle="bold"        android:layout_width="wrap_content"        android:layout_height="wrap_content" />    <LinearLayout        android:layout_marginTop="8dp"        android:layout_width="wrap_content"        android:layout_height="wrap_content">        <TextView            android:text="00"            android:textSize="18sp"            android:textColor="#fff"            android:background="@drawable/shape_count_time"            android:id="@+id/hour"            android:layout_width="wrap_content"            android:layout_height="wrap_content" />        <TextView            android:layout_marginLeft="5dp"            android:layout_marginRight="5dp"            android:textSize="18sp"            android:textColor="@color/gray_black"            android:textStyle="bold"            android:id="@+id/sep_hour"            android:text=":"            android:layout_width="wrap_content"            android:layout_height="wrap_content" />        <TextView            android:text="00"            android:textSize="18sp"            android:textColor="#fff"            android:background="@drawable/shape_count_time"            android:id="@+id/minute"            android:layout_width="wrap_content"            android:layout_height="wrap_content" />        <TextView            android:layout_marginLeft="5dp"            android:layout_marginRight="5dp"            android:textSize="18sp"            android:textColor="@color/gray_black"            android:textStyle="bold"            android:id="@+id/sep_second"            android:text=":"            android:layout_width="wrap_content"            android:layout_height="wrap_content" />        <TextView            android:textSize="18sp"            android:text="00"            android:textColor="#fff"            android:background="@drawable/shape_count_time"            android:id="@+id/second"            android:layout_width="wrap_content"            android:layout_height="wrap_content" />    </LinearLayout></LinearLayout>

shape_count_time.xml

<?xml version="1.0" encoding="utf-8"?><shape xmlns:android="http://schemas.android.com/apk/res/android">    <corners        android:radius="3dp"       /><!-- 设置圆角半径 -->    <solid        android:color="@color/gray_black"/><!-- 填充的颜色 -->    <padding        android:left="5dp"        android:top="5dp"        android:right="5dp"        android:bottom="5dp"/><!-- 各方向的间隔 --></shape>

使用

 countTime.setTimes(new long[]{1,4,3}).start();

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