ProgressBar 进度条设置百分比显示

rawable/progressbar

 <layer-list xmlns:android="http://schemas.android.com/apk/res/android" >

     <item android:id="@android:id/secondaryProgress">

         <clip>

             <shape>

                 <corners android:radius="5dip" />

                 <gradient

                     android:angle="0"

                     android:centerColor="#80ffb600"

                     android:centerY="0.75"

                     android:endColor="#a0ffcb00"

                     android:startColor="#80ffd300" />

             </shape>

         </clip>

     </item>

     <item android:id="@android:id/progress">

         <clip>

             <shape>

                 <corners android:radius="5dip" />

                 <gradient

                     android:angle="0"

                     android:endColor="#8000ff00"

                     android:startColor="#80ff0000" />

             </shape>

         </clip>

     </item>

 </layer-list>

 <ProgressBar

         android:id="@+id/ProgressBar"

         style="?android:attr/progressBarStyleHorizontal"

         android:layout_width="fill_parent"

         android:layout_height="5dp"

         android:layout_marginLeft="20dp"

         android:layout_marginRight="30dp"

         android:layout_marginTop="5dp"

         android:max="100"

         android:progressDrawable="@drawable/progressbar" />

       @Override

     public View getView(int position, View convertView, ViewGroup parent) {

         ChildHolder childHolder = null;

         if(convertView == null){

             childHolder = new ChildHolder();

             convertView = View.inflate(mcontext, R.layout.item_chat, null);

             childHolder.ProgressBar = (ProgressBar) convertView.findViewById(R.id.ProgressBar);

             convertView.setTag(childHolder);

         }else {

             childHolder = (ChildHolder) convertView.getTag();

         }

         // RecordObj 实体对象

         RecordObj rd = mlist.get(position);

         int total_count = 0;

         for (int i = 0; i < mlist.size(); i++) {

             int count = mlist.get(i).getCount();

             total_count += count;

         }

         DecimalFormat df1 = new DecimalFormat("0.0000");

         String str_percent = df1.format((float)rd.getCount() / total_count);

         float percent =Float.parseFloat(str_percent) * 100;

         DecimalFormat df2 = new DecimalFormat("0.00");

         String percents = df2.format(percent) + "%";

         int value = childHolder.ProgressBar.getProgress();

         if (value == 0) {

             doProgress(percent , childHolder.ProgressBar);

         } else {

             childHolder.ProgressBar.setProgress((int)percent);

         }

         return convertView;

     }