[原创]Android秒杀倒计时自定义TextView

2021-07-27 02:12:11

自定义TextView控件TimeTextView代码：

import android.content.Context;

import android.content.res.TypedArray;

import android.graphics.Paint;

import android.text.Html;

import android.util.AttributeSet;

import android.widget.TextView;

import com.new0315.R;

/**

 * 自定义倒计时文本控件

 * @author Administrator

 *

 */

public class TimeTextView extends TextView implements Runnable{

    Paint mPaint; //画笔,包含了画几何图形、文本等的样式和颜色信息

    private long[] times;

    private long mday, mhour, mmin, msecond;//天，小时，分钟，秒

    private boolean run=false; //是否启动了

    public TimeTextView(Context context, AttributeSet attrs) {

        super(context, attrs);

        mPaint=new Paint();

        TypedArray array = context.obtainStyledAttributes(attrs, R.styleable.TimeTextView);

        array.recycle(); //一定要调用，否则这次的设定会对下次的使用造成影响

    }

    public TimeTextView(Context context, AttributeSet attrs, int defStyle) {

        super(context, attrs, defStyle);

        mPaint=new Paint();

        TypedArray array = context.obtainStyledAttributes(attrs, R.styleable.TimeTextView);

        array.recycle(); //一定要调用，否则这次的设定会对下次的使用造成影响

    }

    public TimeTextView(Context context) {

        super(context);

    }

    public long[] getTimes() {

        return times;

    }

    public void setTimes(long[] times) {

        this.times = times;

        mday = times[0];

        mhour = times[1];

        mmin = times[2];

        msecond = times[3];

    }

    /**

     * 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 = 59;

                    mday--;

                }

            }

        }

    }

    public boolean isRun() {

        return run;

    }

    public void setRun(boolean run) {

        this.run = run;

    }

    @Override

    public void run() {

        //标示已经启动

        run=true;

        ComputeTime();

        String strTime="还剩</pre>

<span style="color: red;">"+mday+"</span>

<pre>"+"天</pre>

<span style="color: red;">"+mhour+"</span>

<pre>小时</pre>

<span style="color: red;">"+

 mmin+"</span>

<pre>分钟</pre>

<span style="color: red;">"+msecond+"</span>

<pre>秒";

        this.setText(Html.fromHtml(strTime));

        postDelayed(this, 1000);

    }

}

属性atts.xml

<declare-styleable name="TimeTextView">

</declare-styleable>

Adapter调用代码：

import java.text.DecimalFormat;

import java.util.List;

import android.content.Context;

import android.graphics.Paint;

import android.util.Log;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.BaseAdapter;

import android.widget.ImageView;

import android.widget.LinearLayout;

import android.widget.TextView;

import com.new0315.R;

import com.new0315.entity.SpecialGoods;

import com.new0315.utils.CorrectSpecialDataFormHttp;

import com.new0315.utils.DateTools;

import com.new0315.widgets.TimeTextView;

import com.nostra13.universalimageloader.core.ImageLoader;

public class SpecialGoodsAdapter extends BaseAdapter {

    private Context context;

    private List list;

    private long sumTime;

    public SpecialGoodsAdapter(Context context) {

        this.context = context;

    }

    public void setList(List list) {

        this.list = list;

    }

    @Override

    public int getCount() {

        // TODO Auto-generated method stub

        return list.size();

    }

    @Override

    public Object getItem(int arg0) {

        // TODO Auto-generated method stub

        return null;

    }

    @Override

    public long getItemId(int arg0) {

        // TODO Auto-generated method stub

        return 0;

    }

    @Override

    public View getView(int arg0, View convertView, ViewGroup arg2) {

        //开始计时，性能测试用nanoTime会更精确，因为它是纳秒级的

        long startTime = System.nanoTime();

        Log.d("position","getView " + arg0 + " " + convertView);

        ViewHolder viewHolder;

        if(convertView == null)

        {

            convertView = LayoutInflater.from(context).inflate(

                    R.layout.item_temai_list, null);

            viewHolder = new ViewHolder();

            viewHolder.goodName = (TextView) convertView

                    .findViewById(R.id.temai_Name);

            viewHolder.price = (TextView) convertView

                    .findViewById(R.id.temai_yuanjia_text);

            viewHolder.specialPrice = (TextView) convertView

                    .findViewById(R.id.temai_xiajia_text);

            //特卖倒计时控件

            viewHolder.mTimeText = (TimeTextView) convertView

                    .findViewById(R.id.temai_timeTextView);

            viewHolder.showDate = (TextView) convertView

                    .findViewById(R.id.index_temai_day);

            viewHolder.showDate_l = (LinearLayout) convertView

                    .findViewById(R.id.temai_weikaishi);

            viewHolder.showTime = (LinearLayout) convertView

                    .findViewById(R.id.temai_yikaishi);

            viewHolder.koukou = (TextView) convertView

                    .findViewById(R.id.temai_zhekou_text);

            viewHolder.image = (ImageView) convertView

                    .findViewById(R.id.index_temai_image);

            Log.d("GoogleIO","new position:"+viewHolder.goodName.getText());

            convertView.setTag(viewHolder);

        }else {

            viewHolder = (ViewHolder) convertView.getTag();

            resetViewHolder(viewHolder);

        }

        //setData

        String off = getOff(list.get(arg0).getGoods_Price(), list.get(arg0)

                .getGoods_SpecialPrice());

        viewHolder.goodName.setText(list.get(arg0).getGoods_Name());

        viewHolder.price.setText(list.get(arg0).getGoods_Price());

        viewHolder.price.getPaint().setFlags(

                Paint.STRIKE_THRU_TEXT_FLAG | Paint.ANTI_ALIAS_FLAG);

        viewHolder.specialPrice.setText(list.get(arg0).getGoods_SpecialPrice());

        viewHolder.koukou.setText(off + "折");

        if (DateTools.isStart(list.get(arg0).getSpecialFrom())) {

            //特卖倒计时开始

            viewHolder.mTimeText.setTimes(DateTools.getDate(CorrectSpecialDataFormHttp

                    .correctData((list.get(arg0).getSpecialEnd()))));

            //已经在倒计时的时候不再开启计时

            if(!viewHolder.mTimeText.isRun())

            {

                viewHolder.mTimeText.run();

            }

            viewHolder.showDate_l.setVisibility(View.GONE);

            viewHolder.showTime.setVisibility(View.VISIBLE);

        } else {

            viewHolder.showTime.setVisibility(View.GONE);

            viewHolder.showDate_l.setVisibility(View.VISIBLE);

            viewHolder.showDate.setText(DateTools.getDay(list.get(arg0).getSpecialFrom())

                    + "");

        }

        ImageLoader.getInstance().displayImage(list.get(arg0).getGoods_Pic(),viewHolder.image);

        //停止计时

        long endTime = System.nanoTime();

        //耗时

        long spendTime = (endTime - startTime);

        sumTime += spendTime;

//        Log.d("GoogleIO", "position at:"+arg0+"--sumTime:"+String.valueOf(sumTime));

        return convertView;

    }

    public String getOff(String price, String specialPrice) {

        double off = Double.parseDouble(specialPrice)

                / Double.parseDouble(price) * 10;

        DecimalFormat df = new DecimalFormat("0.0");

        String off_String = df.format(off);

        if (off_String.equals("NaN") || off_String.equals("1")) {

            off_String = "10";

        }

        return off_String;

    }

    static class ViewHolder {

        ImageView image;

        TextView goodName;

        TextView price;

        TextView specialPrice;

        TextView koukou;

        TimeTextView mTimeText;

        TextView showDate;

        LinearLayout showDate_l;

        LinearLayout showTime;

    }

    protected void resetViewHolder(ViewHolder viewHolder) {

        viewHolder.image.setImageBitmap(null);

        viewHolder.goodName.setText("");

        viewHolder.price.setText("");

        viewHolder.specialPrice.setText("");

        viewHolder.koukou.setText("");

        viewHolder.mTimeText.setText("");

        viewHolder.showDate.setText("");

    }

}

layout使用代码

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:background="@drawable/home_panicbuying_background"

android:orientation="vertical" >

<!-- 免单 -->

<RelativeLayout

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:layout_marginTop="5dp" >

<FrameLayout

android:id="@+id/index_temai_image_layout"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_centerVertical="true"

android:layout_margin="5dp" >

<ImageView

android:id="@+id/index_temai_image"

android:layout_width="80dp"

android:layout_height="80dp" />

<ImageView

android:id="@+id/index_temai_discount_icon"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_gravity="top|left"

android:background="@drawable/app_limit_buy_sale"

android:src="@drawable/app_limit_buy_begin" />

</FrameLayout>

<LinearLayout

android:id="@+id/temai_date_show"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_toRightOf="@id/index_temai_image_layout"

android:orientation="vertical" >

<RelativeLayout

android:layout_width="wrap_content"

android:layout_height="wrap_content" >

<LinearLayout

android:id="@+id/temai_weikaishi"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_marginTop="2dp"

android:orientation="horizontal" >

<TextView

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="距离开始还有"

android:textColor="@color/black"

android:textSize="@dimen/small_text_size"

android:textStyle="bold" />

<TextView

android:id="@+id/index_temai_day"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="99"

android:textColor="@color/red"

android:textSize="@dimen/small_text_size"

android:textStyle="bold" />

<TextView

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="天"

android:textColor="@color/black"

android:textSize="@dimen/small_text_size"

android:textStyle="bold" />

</LinearLayout>

<LinearLayout

android:id="@+id/temai_yikaishi"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_marginTop="2dp"

android:orientation="horizontal" >

<com.new0315.widgets.TimeTextView

android:id="@+id/temai_timeTextView"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:textColor="@android:color/black"

android:textSize="@dimen/small_text_size"

/>

</LinearLayout>

</RelativeLayout>

<LinearLayout

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_marginBottom="5dp"

android:layout_marginRight="20dp"

android:layout_marginTop="5dp"

android:orientation="horizontal" >

<TextView

android:id="@+id/temai_Name"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:lines="2"

android:text="大众甲壳虫，豪华款，曾全套汽车配件，十年加油卡，车库补贴，十年车险，五年以旧换新服务，比提供五年免费待架服务"

android:textColor="@color/black"

android:textSize="12sp" />

</LinearLayout>

<LinearLayout

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:orientation="horizontal" >

<TextView

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="@string/index_raw_price"

android:textColor="@color/darkgray"

android:textSize="@dimen/small_text_size" />

<TextView

android:id="@+id/temai_yuanjia_text"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_marginLeft="5dp"

android:textColor="@color/darkgray"

android:textSize="@dimen/small_text_size" />

</LinearLayout>

</LinearLayout>

</RelativeLayout>

<LinearLayout

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_margin="5sp"

android:background="@drawable/app_limit_buy_sale_bg"

android:gravity="center_vertical" >

<LinearLayout

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_marginLeft="30dp"

android:layout_marginTop="3dp"

android:orientation="horizontal" >

<TextView

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="特卖价："

android:textColor="#919263"

android:textSize="13sp" />

<TextView

android:id="@+id/temai_xiajia_text"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_marginLeft="5dp"

android:layout_marginRight="5sp"

android:text="￥400"

android:textColor="@color/red"

android:textSize="13sp" />

<TextView

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="折扣："

android:textColor="#919263"

android:textSize="13sp" />

<TextView

android:id="@+id/temai_zhekou_text"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_marginLeft="5dp"

android:layout_marginRight="5sp"

android:text="5.0折"

android:textColor="@color/green"

android:textSize="13sp" />

</LinearLayout>

</LinearLayout>

</LinearLayout>

最终效果：

码农公寓

相关文章