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：
