Android定时器和倒计时实现淘宝秒杀功能

本文实例为大家分享了Android实现淘宝秒杀的具体代码，供大家参考，具体内容如下

目录结构

效果图：

imageViewHolder

public class imageViewHolder extends RecyclerView.ViewHolder { 

  public ImageView imageView; 

  public imageViewHolder(View itemView) {
    super(itemView);
    imageView = (ImageView) itemView;
  }
}

MyViewHolder

public class MyViewHolder extends RecyclerView.ViewHolder { 

  public TextView textView; 

  public MyViewHolder(View itemView) {
    super(itemView);
    textView = (TextView) itemView;
  }
}

recycleAdapter

package com.nodeprogress.snapupview.SnapUp; 

import android.content.Context;
import android.graphics.Color;
import android.support.v7.widget.RecyclerView;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView; 

public class recycleAdapter extends RecyclerView.Adapter { 

  Context context; 

  public recycleAdapter(Context context) {
    this.context = context;
  } 

  @Override
  public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { 

    if (viewType == 0){
      return new imageViewHolder(new ImageView(context));
    }else {
      return new MyViewHolder(new TextView(context));
    }
  } 

  @Override
  public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
    if (getItemViewType(position) == 0) {
      imageViewHolder viewHolder = (imageViewHolder) holder;
      viewHolder.imageView.setPadding(150,20,20,20);
      viewHolder.imageView.setBackgroundColor(Color.BLUE);
    } else {
      MyViewHolder viewHolder = (MyViewHolder) holder;
      viewHolder.textView.setText(" 淘宝 " + position);
    }
  } 

  @Override
  public int getItemCount() {
    return 21;
  } 

  @Override
  public int getItemViewType(int position) {
    return (position == 20) ? 0 : 1;
  } 

}

MainActivity

package com.nodeprogress.snapupview; 

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity; 

import com.nodeprogress.snapupview.SnapUp.recycleAdapter;
import com.nodeprogress.snapupview.View.HorizontalRecycleViewLoadMore; 

public class MainActivity extends AppCompatActivity { 

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main); 

    HorizontalRecycleViewLoadMore recyclerView = (HorizontalRecycleViewLoadMore) findViewById(R.id.recycle);
    recyclerView.setAdapter(new recycleAdapter(MainActivity.this)); 

    SnapUpCountDownTimerView rushBuyCountDownTimerView = (SnapUpCountDownTimerView) findViewById(R.id.RushBuyCountDownTimerView);
    rushBuyCountDownTimerView.setTime(1,55,3);
    rushBuyCountDownTimerView.start();
  }
}

SnapUpCountDownTimerView

package com.nodeprogress.snapupview; 

import android.annotation.SuppressLint;
import android.content.Context;
import android.content.res.TypedArray;
import android.os.Handler;
import android.os.Message;
import android.util.AttributeSet;
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; 

@SuppressLint("HandlerLeak")
public class SnapUpCountDownTimerView extends LinearLayout { 

  private TextView tv_hour_decade;
  private TextView tv_hour_unit;
  private TextView tv_min_decade;
  private TextView tv_min_unit;
  private TextView tv_sec_decade;
  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; 

  private Timer timer; 

  private Handler handler = new Handler() { 

    public void handleMessage(Message msg) {
      countDown();
    }
  }; 

  public SnapUpCountDownTimerView(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); 

    TypedArray array = context.obtainStyledAttributes(attrs, R.styleable.SnapUpCountDownTimerView);
    int size = array.getInteger(R.styleable.SnapUpCountDownTimerView_viewSize, 12); 

    tv_hour_decade.setTextSize(size);
    tv_hour_unit.setTextSize(size);
    tv_min_decade.setTextSize(size);
    tv_min_unit.setTextSize(size);
    tv_sec_decade.setTextSize(size);
    tv_sec_unit.setTextSize(size);
    ((TextView)view.findViewById(R.id.colon_minute)).setTextSize(size);
    ((TextView)view.findViewById(R.id.colon_hour)).setTextSize(size);
  } 

  public void start() {
    if (timer == null) {
      timer = new Timer();
      timer.schedule(new TimerTask() {
        @Override
        public void run() {
          handler.sendEmptyMessage(0);
        }
      }, 0, 1000);
    }
  } 

  public void stop() {
    if (timer != null) {
      timer.cancel();
      timer = null;
    }
  } 

  public void setTime(int hour, int min, int sec) { 

    if (hour >= 60 || min >= 60 || sec >= 60 || hour < 0 || min < 0
        || sec < 0) {
      throw new RuntimeException("时间格式错误,请检查你的代码");
    } 

    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_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 + "");
  } 

  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)) {
                Toast.makeText(context, "计数完成",
                    Toast.LENGTH_SHORT).show();
                stop();
                setTime(0, 0, 0);//重置为0
              }
            }
          }
        }
      }
    }
  } 

  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;
    }
  } 

  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;
    }
  }
}

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
  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:paddingBottom="@dimen/activity_vertical_margin"
  android:paddingLeft="@dimen/activity_horizontal_margin"
  android:paddingRight="@dimen/activity_horizontal_margin"
  android:paddingTop="@dimen/activity_vertical_margin"
  tools:context="com.nodeprogress.snapupview.MainActivity"> 

  <include layout="@layout/home_snap_up"></include>
</RelativeLayout> 

home_snap_up.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
       android:layout_width="match_parent"
       android:layout_height="wrap_content"
       xmlns:app="http://schemas.android.com/apk/res-auto"
       android:orientation="vertical"
       android:background="@android:color/white"
       android:padding="15dp"
  > 

  <LinearLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="horizontal"
    > 

    <TextView
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_gravity="center_vertical"
      android:text="秒杀"
      android:textColor="@android:color/holo_red_light"
      android:textSize="20sp"
      /> 

    <com.nodeprogress.snapupview.SnapUpCountDownTimerView
      android:id="@+id/RushBuyCountDownTimerView"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_marginLeft="20dp"
      app:viewSize="12"
      >
    </com.nodeprogress.snapupview.SnapUpCountDownTimerView> 

    <TextView
      android:layout_width="match_parent"
      android:layout_height="match_parent"
      android:gravity="center_vertical|right"
      android:text="更多 >"
      android:textSize="15sp"
      />
  </LinearLayout> 

  <com.nodeprogress.snapupview.View.HorizontalRecycleViewLoadMore
    android:id="@+id/recycle"
    android:layout_marginTop="10dp"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"> 

  </com.nodeprogress.snapupview.View.HorizontalRecycleViewLoadMore> 

</LinearLayout>

view_countdowntimer.xml

<?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"
  > 

  <LinearLayout
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:background="@drawable/bg_snap_up"
    android:padding="5dp"
    > 

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

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

  <TextView
    android:id="@+id/colon_hour"
    android:layout_width="wrap_content"
    android:layout_height="match_parent"
    style="@style/SnapUpViewColon"
    /> 

  <LinearLayout
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:background="@drawable/bg_snap_up"
    android:padding="5dp"
    > 

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

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

  <TextView
    android:id="@+id/colon_minute"
    android:layout_width="wrap_content"
    android:layout_height="match_parent"
    style="@style/SnapUpViewColon"
    /> 

  <LinearLayout
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:background="@drawable/bg_snap_up_red"
    android:padding="5dp"
    > 

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

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

</LinearLayout>

代码全部贴出来了。

Android 定时器+倒计时 CountDownTimer实现

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